CN114393154B - Stretch-proof spring forming equipment and working method thereof - Google Patents
Stretch-proof spring forming equipment and working method thereof Download PDFInfo
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- CN114393154B CN114393154B CN202111648256.XA CN202111648256A CN114393154B CN 114393154 B CN114393154 B CN 114393154B CN 202111648256 A CN202111648256 A CN 202111648256A CN 114393154 B CN114393154 B CN 114393154B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F35/00—Making springs from wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/02—Straightening
- B21F1/026—Straightening and cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F23/00—Feeding wire in wire-working machines or apparatus
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Abstract
The invention discloses stretch-resistant spring forming equipment and a working method, wherein the stretch-resistant spring forming equipment comprises a spring metal wire straightening device, a metal wire reciprocating guiding device and a spring forming device, the spring forming device comprises a forming machine table, a metal wire fixing unit I, a spring winding unit and a metal wire end fixing unit, the metal wire fixing unit I, the spring winding unit and the metal wire end fixing unit are arranged on the forming machine table, the metal wire fixing unit I and the metal wire end fixing unit are respectively positioned on two sides of the spring winding unit, and the metal wire fixing unit I and the metal wire end fixing unit are symmetrically arranged. The stretch-resistant spring forming equipment is reasonable in structure, can be used for customizing a special spring, is consistent in diameter of a machined spring ring and high in dimensional accuracy, is semi-automatic, reduces manual intervention, saves production cost, and reduces production potential safety hazards of workers.
Description
Technical Field
The invention belongs to the technical field of production and manufacturing of mechanical base parts, and particularly relates to stretch-resistant spring forming equipment. The invention also relates to a working method of the stretch-proof spring forming equipment.
Background
The spring is a mechanical part which works by utilizing elasticity, and the part made of elastic materials deforms under the action of external force and returns to the original state after the external force is removed. Springs are very popular in current applications, and springs of different strength and stiffness and service life are used in various industries depending on the application. The general spring is made of steel, the types of the springs are complex and various, and the installation shapes mainly comprise a spiral spring, an arc-shaped spring, a scroll spring, a plate spring and a special-shaped spring.
The spring in the prior art is generally manufactured by adopting a spring machine, the existing spring machine basically comprises a plurality of mechanical arms, after wires are conveyed to a machining area of the mechanical arms, the wires are bent by the plurality of mechanical arms together to manufacture the spring, the device needs to be subjected to complex numerical control programming and repeated debugging before manufacturing the spring, and the cost of the device is higher. When the stretching spring with a certain length is manufactured, the gravity center of the spring can be gradually far away from the spring machine, the spring can be irreversibly deformed and can shake, and the mechanical arm is difficult to process and is easy to produce defective products.
Disclosure of Invention
The invention aims to: in order to overcome the defects, the invention aims to provide stretch-resistant spring forming equipment, which solves the problem that the spring forming machine in the prior art is unreasonable in structural design, so that the position is inaccurate in spring manufacturing, and further the service performance of the machined spring is influenced, and the quality of the spring is greatly influenced.
The technical scheme is as follows: the stretch-resistant spring forming equipment comprises a spring metal wire straightening device, a metal wire reciprocating guiding device and a spring forming device, wherein the spring metal wire straightening device, the metal wire reciprocating guiding device and the spring forming device are sequentially arranged; the spring forming device comprises a forming machine table, a first metal wire fixing unit, a spring winding unit and a metal wire end fixing unit, wherein the first metal wire fixing unit, the spring winding unit and the metal wire end fixing unit are arranged on the forming machine table, the first metal wire fixing unit and the metal wire end fixing unit are respectively located on two sides of the spring winding unit, and the first metal wire fixing unit and the metal wire end fixing unit are symmetrically arranged. The stretch-resistant spring forming equipment is reasonable in structure, can be used for customizing special springs, is consistent in diameter of the machined spring ring and high in dimensional accuracy, is semi-automatic, reduces manual intervention, saves production cost, and avoids production safety hazards of workers for enterprises.
Further, the above-mentioned stretch-proofing spring former, the spring coiling unit is including coiling driving motor, speed reducer, coiling pivot, the coiling stand, coiling crossbeam and the spring winding roller that two symmetries set up, coiling driving motor, speed reducer and the coiling stand that two symmetries set up are all fixed to be set up on the make-up machine platform, coiling crossbeam is fixed to be set up the upper end at the coiling stand that two symmetries set up, coiling driving motor and speed reducer are connected, the speed reducer is connected with the coiling pivot, the coiling pivot sets up on the coiling stand, spring winding roller and coiling pivot are connected, be equipped with at least one set screw on the spring winding roller, the one end of spring metal wire compresses tightly on the spring winding roller through set screw, coiling driving motor drive spring winding roller carries out the winding of spring.
Further, the stretch-proofing spring former of above-mentioned, be equipped with screw locking subassembly and spring metal wire fusing subassembly on the coiling crossbeam, screw locking subassembly is including locking lift drive cylinder, guide post one, electric wrench mounting panel and electric wrench, locking lift drive cylinder is fixed to be set up on the coiling crossbeam to the piston rod and the electric wrench mounting panel of locking lift drive cylinder are connected, the lower tip and the electric wrench mounting panel of guide post one are connected to guide post one and coiling crossbeam sliding connection, electric wrench installs on the electric wrench mounting panel to the rifle head of electric wrench is located set screw directly over, spring metal wire fusing subassembly includes fusing lift drive cylinder, guide post two, melts cutter and melts cutter mounting panel, fusing lift drive cylinder is fixed to be set up on the coiling crossbeam to piston rod and the cutter mounting panel of fusing lift drive cylinder are connected, the lower tip and the cutter mounting panel of guide post two are connected with coiling crossbeam sliding connection, melt cutter is installed on the cutter mounting panel, and melts cutter is located spring metal wire's top.
Further, the above-mentioned stretch-proofing spring former, metal wire rod fixed unit is the same with the structure of metal wire rod end fixed unit to metal wire rod fixed unit is all including sharp module, linear guide, sharp slider, horizontal migration board and spring metal wire rod clamping jaw cylinder with metal wire rod end fixed unit, linear module and linear guide are all fixed to be set up on the make-up machine platform to linear guide and the direction parallel arrangement of movement of sharp module, linear slider and linear guide sliding connection, slider and linear slider fixed connection of horizontal migration board and sharp module, spring metal wire rod clamping jaw cylinder is fixed to be set up on the tip that the horizontal migration board is close to spring winding unit, and spring metal wire rod can be held to spring metal wire rod clamping jaw cylinder.
Further, the stretch-proofing spring forming equipment comprises the metal wire reciprocating guide device, the reciprocating guide driving assembly, two symmetrically arranged vertical support plates and guide blocks, wherein the reciprocating guide driving assembly is arranged on the reciprocating guide machine, the two symmetrically arranged vertical support plates are arranged on the reciprocating guide driving assembly, the guide blocks are arranged on the two symmetrically arranged vertical support plates, a group of first through holes are formed in the guide blocks, and the spring metal wire penetrates through the first through holes.
Further, the anti-stretching spring forming equipment comprises a reciprocating driving motor, a reciprocating driving wheel, a gear belt, a reciprocating driving driven wheel, a reciprocating driving screw rod, a group of screw nuts, a horizontal guide rail, a horizontal guiding slide plate and a horizontal support plate II, wherein the reciprocating driving motor and the reciprocating driving screw rod are arranged on a reciprocating guiding machine table, the reciprocating driving motor is connected with the reciprocating driving wheel, the reciprocating driving wheel is connected with the reciprocating driving wheel through the gear belt, the reciprocating driving driven wheel is connected with the reciprocating driving screw rod through a key, the group of screw nuts is in threaded connection with the reciprocating driving screw rod, one of the horizontal guiding slide plate and the group of screw nuts is connected, the horizontal guide rail and the reciprocating driving screw rod are arranged in parallel, the horizontal guiding slide plate II is in sliding connection with the group of screw nuts and the horizontal guiding slide plate II, and the two symmetrically arranged vertical support plates are arranged on the upper end face of the horizontal support plate II.
Further, the stretch-proofing spring former of foretell, spring metal wire straightening device includes alignment drive assembly, metal wire feeding sleeve, metal wire ejection of compact sleeve, metal wire alignment subassembly and alignment support frame, alignment drive assembly, metal wire feeding sleeve and metal wire ejection of compact sleeve are all fixed to be set up on the alignment support frame, metal wire feeding sleeve and metal wire ejection of compact sleeve are located the alignment support frame respectively along the both ends of the traction direction of spring metal wire, alignment drive assembly and metal wire ejection of compact telescopic joint, metal wire feeding sleeve and metal wire ejection of compact sleeve are connected along the both ends of metal wire traction direction with metal wire alignment subassembly respectively, spring metal wire passes metal wire feeding sleeve, metal wire alignment subassembly and metal wire ejection of compact sleeve in proper order, metal wire ejection of compact sleeve and alignment support frame rotate to be connected.
Further, the stretch-proofing spring forming equipment comprises a first straightening driving motor, a first straightening rotating shaft, a first straightening driving wheel, a first straightening belt and a second straightening driving wheel, wherein one end of the first straightening rotating shaft is connected with the first straightening driving motor, the first straightening driving wheel is sleeved on the first straightening rotating shaft and is connected with the second straightening driving wheel through the first straightening belt, and the second straightening driving wheel is connected with the second straightening driving wheel through the first straightening belt and is connected with the metal wire discharging sleeve.
Further, the above-mentioned stretch-resistant spring former, the metal wire alignment subassembly includes rectangle support frame, alignment slide two, a set of position control screw, a set of alignment gyro wheel first, a set of alignment gyro wheel second, a set of gyro wheel support frame first and a set of gyro wheel support frame second, metal wire feeding sleeve and metal wire ejection of compact sleeve are connected with rectangle support frame length direction's both ends respectively, be equipped with spout first on the inner wall at length direction both ends of rectangle support frame along the support frame respectively, alignment slide and alignment slide two are located rectangle support frame inside, and alignment slide first and alignment slide two's both ends portion sets up in spout first, two opposite long sides of rectangle support frame all are equipped with a set of position control screw, and position control screw and rectangle support frame threaded connection, the one end of position control screw pass the rectangle support frame respectively with alignment slide first and alignment slide two, a set of gyro wheel support frame first set up on the terminal surface that alignment slide inner wall was kept away from to rectangle support frame, a set of gyro wheel support frame first and a set up on the inner wall along length direction's both ends of the alignment support frame first, alignment slide first and alignment support frame first and alignment slide second, and alignment support frame one-to-one set up the axis of alignment support frame first and alignment support frame second and the alignment support frame first and the alignment gyro wheel second, and the alignment support frame first and the alignment support frame and the alignment gyro wheel second are set up on the axis one-and the X one-and the one and the alignment support frame X, the metal wire can pass through the space between the outer wall of the first straightening roller and the outer wall of the second straightening roller.
The invention discloses a working method of stretch-proof spring forming equipment, which comprises the following steps:
s1, one end of a spring metal wire sequentially penetrates through a metal wire feeding sleeve, a metal wire straightening assembly, a metal wire discharging sleeve, a first through hole and a first metal wire fixing unit, and one end of the spring metal wire is arranged between a fixing screw and the outer wall of a spring winding roller;
s2, locking the lifting driving cylinder to descend, driving the electric wrench to extend into the inner hexagonal hole of the fixing screw, starting the electric wrench, rotating the fixing screw clockwise, pressing one end of the spring metal wire rod on the outer wall of the spring winding roller by the fixing screw, and resetting the locking lifting driving cylinder;
s3, driving the straightening driving motor I, driving the rectangular support frame to rotate through transmission of the straightening driving wheel, the straightening belt and the straightening driven wheel, and synchronously rotating the straightening rollers I and the straightening rollers II at the moment, wherein the spring metal wire is contacted with the outer walls of the straightening rollers I and the straightening rollers II, so that the curled spring metal wire is straightened by the straightening rollers I and the straightening rollers II;
s4, starting a winding driving motor, driving a spring winding roller to rotate through a winding rotating shaft, wherein one end of a spring metal wire is fixed on the spring winding roller, so that the spring metal wire is wound on the outer wall of the spring winding roller in the rotating process of the spring winding roller;
S5, in the rotation process of the spring winding roller, the metal wire fixing unit I and the metal wire reciprocating guide device move along the axial direction of the spring winding roller according to the thread pitch of the forming spring, and the spring metal wire is always positioned in the clamping jaw of the spring metal wire clamping jaw cylinder of the metal wire fixing unit I;
s6, working a metal wire reciprocating guide device: the reciprocating driving motor is started, the reciprocating driving screw rod is driven to rotate through a transmission structure formed by the reciprocating driving wheel, the gear belt and the reciprocating driving driven wheel, so that a group of screw nuts move along the axial direction of the reciprocating driving screw rod, at the moment, the horizontal support plate II drives the guide block to move along the axial direction of the spring winding roller, and the spring metal wire rod penetrates through the through hole I, so that the spring metal wire rod moves along the axial direction of the spring winding roller, and is uniformly wound on the spring winding roller to form a spring;
s7, after the length of the spring is reached, stopping the spring metal wire straightening device, the metal wire reciprocating guide device and the spring forming device, and enabling the spring winding roller not to rotate any more;
s8, the fusion cutting machine is arranged at the tail end of the set spring length, the fusion cutting machine is installed in advance, the fusion lifting driving cylinder drives the fusion cutting machine to descend, the fusion cutting machine is arranged right above the spring metal wire, the clamping jaw of the spring metal wire clamping jaw cylinder of the metal wire fixing unit I clamps the spring metal wire, and the fusion cutting machine is started to fuse and cut the spring metal wire;
S9, locking the lifting driving cylinder to descend, driving the electric wrench to extend into the inner hexagonal hole of the fixing screw, starting the electric wrench, rotating the fixing screw anticlockwise, and releasing one end of the spring metal wire by the fixing screw, wherein a formed spring and the spring winding roller are movable;
s10, detaching the spring winding roller from the winding rotating shaft, and removing the formed spring from the spring winding roller, so that the forming of the spring is completed.
The technical scheme can be seen that the invention has the following beneficial effects: the stretch-resistant spring forming equipment is used for customizing springs with special sizes, and can be suitable for forming springs with different diameters by changing the diameter of the spring winding roller and adjusting the pitch of the wound springs; the spring winding roller is set to different lengths, the length of the winding spring can be controlled at will, the spring winding roller is not limited, the spring metal wire can be automatically fixed and fused, excessive manual intervention is not needed, and the labor capacity of workers is reduced.
Drawings
FIG. 1 is a schematic view of a stretch resistant spring forming apparatus according to the present invention;
FIG. 2 is a front view of a spring wrap unit according to the present invention;
FIG. 3 is a schematic view of a spring winding unit according to the present invention;
fig. 4 is a right side view of the metal wire reciprocating guide device according to the present invention;
fig. 5 is a front view of the metal wire reciprocating guide device according to the present invention;
FIG. 6 is a schematic view of a reciprocating pilot drive assembly according to the present invention;
fig. 7 is a schematic structural view of a spring metal wire straightening device according to the present invention;
fig. 8 is a schematic view of a part of a spring metal wire straightening device according to the present invention;
fig. 9 is a schematic diagram of a part of a spring metal wire straightening device according to the second embodiment of the present invention;
fig. 10 is a schematic view showing a partial structure of the straightening device for the spring metal wire according to the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Examples
The stretch-proofing spring forming equipment shown in fig. 1 comprises a spring metal wire straightening device 1, a metal wire reciprocating guiding device 2 and a spring forming device 3, wherein the spring metal wire straightening device 1, the metal wire reciprocating guiding device 2 and the spring forming device 3 are sequentially arranged.
The spring forming device 3 shown in fig. 2 includes a forming machine 31, a first metal wire fixing unit 32, a spring winding unit 33 and a metal wire end fixing unit 34, wherein the first metal wire fixing unit 32, the spring winding unit 33 and the metal wire end fixing unit 34 are all disposed on the forming machine 31, the first metal wire fixing unit 32 and the metal wire end fixing unit 34 are respectively disposed at two sides of the spring winding unit 33, and the first metal wire fixing unit 32 and the metal wire end fixing unit 34 are symmetrically disposed.
The spring winding unit 33 shown in fig. 3 comprises a winding driving motor 331, a speed reducer 332, a winding rotating shaft 333, two winding upright posts 334 which are symmetrically arranged, a winding cross beam 335 and a spring winding roller 336, wherein the winding driving motor 331, the speed reducer 332 and the two winding upright posts 334 which are symmetrically arranged are fixedly arranged on the forming machine table 31, the winding cross beam 335 is fixedly arranged at the upper end parts of the two winding upright posts 334 which are symmetrically arranged, the winding driving motor 331 is connected with the speed reducer 332, the speed reducer 332 is connected with the winding rotating shaft 333, the winding rotating shaft 333 is arranged on the winding upright posts 334, the spring winding roller 336 is connected with the winding rotating shaft 333, at least one fixing screw 337 is arranged on the spring winding roller 336, one end of a spring metal wire rod is tightly pressed on the spring winding roller 336 through the fixing screw 337, and the winding driving motor 331 drives the spring winding roller 336 to wind a spring. The winding beam 335 is provided with a screw locking assembly 35 and a spring metal wire fusing assembly 36, the screw locking assembly 35 comprises a locking lifting driving cylinder 351, a first guide post 352, an electric wrench mounting plate 353 and an electric wrench 354, the locking lifting driving cylinder 351 is fixedly arranged on the winding beam 335, a piston rod of the locking lifting driving cylinder 351 is connected with the electric wrench mounting plate 353, the lower end part of the first guide post 352 is connected with the electric wrench mounting plate 353, the first guide post 352 is in sliding connection with the winding beam 335, the electric wrench 354 is mounted on the electric wrench mounting plate 353, a gun head of the electric wrench 354 is positioned right above the fixing screw 337, the spring metal wire fusing assembly 36 comprises a fusing lifting driving cylinder 361, a second guide post 362, a fusing cutter 363 and a fusing cutter mounting plate 364, the fusing lifting driving cylinder 361 is fixedly arranged on the winding beam 335, a piston rod of the fusing lifting driving cylinder 361 is connected with the fusing cutter mounting plate 364, the lower end part of the second guide post 362 is connected with the fusing cutter 364, the second guide post 362 is in sliding connection with the winding beam, and the gun head of the electric wrench 354 is positioned right above the fixing screw 337, and the fusing cutter mounting plate 363 is positioned above the metal wire mounting plate 364.
In the above structure, the first metal wire fixing unit 32 and the first metal wire end fixing unit 34 are identical in structure, and the first metal wire fixing unit 32 and the first metal wire end fixing unit 34 each include a linear module 321, a first linear guide rail 322, a first linear slider 323, a horizontal moving plate 324, and a spring metal wire clamping jaw cylinder 325, the first linear module 321 and the first linear guide rail 322 are each fixedly disposed on the forming machine 31, and the moving directions of the first linear guide rail 322 and the first linear module 321 are parallel, the first linear slider 323 and the first linear guide rail 322 are slidably connected, the horizontal moving plate 324 is fixedly connected with the first linear slider 323 and the second linear guide rail 321, the spring metal wire clamping jaw cylinder 325 is fixedly disposed on an end portion of the horizontal moving plate 324 close to the spring winding unit 33, and the spring metal wire clamping jaw cylinder 325 can clamp a spring metal wire.
The metal wire reciprocating guiding device 2 shown in fig. 4 and 5 comprises a reciprocating guiding machine table 21, a reciprocating guiding driving assembly 22, two symmetrically arranged vertical supporting plates 23 and a guiding block 24, wherein the reciprocating guiding driving assembly 22 is arranged on the reciprocating guiding machine table 21, the two symmetrically arranged vertical supporting plates 23 are arranged on the reciprocating guiding driving assembly 22, the guiding block 24 is arranged on the two symmetrically arranged vertical supporting plates 23, a group of through holes I25 are formed in the guiding block 24, and the spring metal wire penetrates through the through holes I25.
The reciprocating guide driving assembly 22 shown in fig. 6 comprises a reciprocating driving motor 221, a reciprocating driving wheel 222, a gear belt 223, a reciprocating driving driven wheel 224, a reciprocating driving screw rod 225, a group of screw nuts 226, a horizontal guide rail 227, a horizontal guide slide plate 228 and a horizontal support plate II 229, wherein the reciprocating driving motor 221 and the reciprocating driving screw rod 225 are arranged on the reciprocating guide machine table 21, the reciprocating driving motor 221 is connected with the reciprocating driving wheel 222, the reciprocating driving wheel 222 is connected with the reciprocating driving driven wheel 224 through the gear belt 223, the reciprocating driving driven wheel 224 is connected with the reciprocating driving screw rod 225 through a key, the group of screw nuts 226 are in threaded connection with the reciprocating driving screw rod 225, the horizontal guide slide plate 228 is connected with one of the group of screw nuts 226, the horizontal guide rail 227 is arranged in parallel with the reciprocating driving screw rod 225, the horizontal guide slide plate 228 is in sliding connection with the horizontal guide rail 227, the horizontal support plate II 229 is fixedly connected with the group of screw nuts 226 and the horizontal guide slide plate 228, and the two symmetrically arranged vertical support plates 23 are arranged on the upper end surface of the horizontal support plate II 229.
The spring metal wire straightening device 1 shown in fig. 7 comprises a straightening driving assembly 11, a metal wire feeding sleeve 12, a metal wire discharging sleeve 13, a metal wire straightening assembly 14 and a straightening support frame 15, wherein the straightening driving assembly 11, the metal wire feeding sleeve 12 and the metal wire discharging sleeve 13 are fixedly arranged on the straightening support frame 15, the metal wire feeding sleeve 12 and the metal wire discharging sleeve 13 are respectively positioned at two ends of the straightening support frame 15 along the traction direction of a spring metal wire, the straightening driving assembly 11 is connected with the metal wire discharging sleeve 13, the metal wire feeding sleeve 12 and the metal wire discharging sleeve 13 are respectively connected with two ends of the metal wire straightening assembly 14 along the traction direction of the metal wire, and the spring metal wire sequentially penetrates through the metal wire feeding sleeve 12, the metal wire straightening assembly 14 and the metal wire discharging sleeve 13, and the metal wire discharging sleeve 13 is rotationally connected with the straightening support frame 15. The straightening driving assembly 11 comprises a first straightening driving motor 111, a straightening rotating shaft 112, a straightening driving wheel 113, a straightening belt 114 and a straightening driven wheel 115, one end of the straightening rotating shaft 112 is connected with the rotating shaft of the first straightening driving motor 111, the straightening driving wheel 113 is sleeved on the straightening rotating shaft 112, the straightening driving wheel 113 is connected with the straightening driven wheel 115 through the straightening belt 114, and the straightening driven wheel 115 is connected with the metal wire discharging sleeve 13.
The metal wire straightening assembly 14 shown in fig. 8-10 comprises a rectangular supporting frame 141, a first straightening slide plate 142, a second straightening slide plate 143, a set of position adjusting screws 144, a set of first straightening rollers 145, a set of second straightening rollers 146, a set of first roller supporting frames 147 and a set of second roller supporting frames 148, wherein the metal wire feeding sleeve 12 and the metal wire discharging sleeve 13 are respectively connected with two ends of the rectangular supporting frame 141 in the length direction, the inner walls of the rectangular supporting frame 141 in the length direction are respectively provided with a first chute 149, the first straightening slide plate 142 and the second straightening slide plate 143 are positioned in the rectangular supporting frame 141, the two end parts of the first straightening slide plate 142 and the second straightening slide plate 143 are arranged in the first chute 149, two opposite long sides of the rectangular supporting frame 141 are respectively provided with a set of position adjusting screws 144, the position adjusting screws 144 are in threaded connection with the rectangular supporting frame 141, one end of the position adjusting screws 144 passes through the rectangular supporting frame 141 and respectively props against the first straightening slide plate 142 and the second straightening slide plate 143, the set of rollers 147 are arranged on the end faces of the straightening slide plate 142 far away from the inner walls of the rectangular supporting frame 141, the straightening slide plate 142 is provided with rollers 146 corresponding to the first straightening support frame 146, the set of the two sets of rollers 146 are arranged on the corresponding to the two sets of the two support frames 145, and the corresponding straightening support frame 141, the set of axes are arranged on the first straightening support frame 141, one set of one is opposite one end faces of the straightening support frame 141, and one set of two sets of straightening rollers 146 are arranged on one opposite one sets of two sets of straightening support frame 141, and one sets of straightening rollers are respectively, and one set. And the axis of the first straightening roller 145 and the axis of the second straightening roller 146 are in an X-shaped cross arrangement, and metal wires can pass through between the outer wall of the first straightening roller 145 and the outer wall of the second straightening roller 146.
Based on the structure, the working method of the stretch-resistant spring forming equipment comprises the following steps:
s1, one end of a spring metal wire sequentially passes through a metal wire feeding sleeve 12, a metal wire straightening assembly 14, a metal wire discharging sleeve 13, a first through hole 25 and a first metal wire fixing unit 32, and one end of the spring metal wire is arranged between a fixing screw 337 and the outer wall of a spring winding roller 336;
s2, locking the lifting driving cylinder 351 to descend, driving the electric wrench 354 to extend into the inner hexagonal hole of the fixing screw 337, starting the electric wrench 354, rotating the fixing screw 337 clockwise, pressing one end of the spring metal wire rod on the outer wall of the spring winding roller 336 by the fixing screw 337, and resetting the locking lifting driving cylinder 351;
s3, a first straightening driving motor 111 is driven, and the rectangular supporting frame 141 is driven to rotate through the transmission of the straightening driving wheel 113, the straightening belt 114 and the straightening driven wheel 115, at the moment, a first straightening roller 145 and a second straightening roller 146 synchronously rotate, and because the spring metal wire is contacted with the outer walls of the first straightening roller 145 and the second straightening roller 146, the first straightening roller 145 and the second straightening roller 146 straighten the curled spring metal wire;
S4, starting a winding driving motor 331, driving a spring winding roller 336 to rotate through a winding rotating shaft 333, wherein one end of a spring metal wire is fixed on the spring winding roller 336, so that the spring metal wire is wound on the outer wall of the spring winding roller 336 in the rotating process of the spring winding roller 336;
s5, in the rotating process of the spring winding roller 336, the first metal wire fixing unit 32 and the metal wire reciprocating guide device 2 move along the axial direction of the spring winding roller 336 according to the pitch of the forming spring, and the spring metal wire is always positioned in the clamping jaw of the spring metal wire clamping jaw cylinder 325 of the first metal wire fixing unit 32;
s6, working the metal wire rod reciprocating guide device 2: the reciprocating driving motor 221 is started, the reciprocating driving screw rod 225 is driven to rotate through a transmission structure formed by the reciprocating driving wheel 222, the gear belt 223 and the reciprocating driving driven wheel 224, so that the screw rod nuts 226 move along the axial direction of the reciprocating driving screw rod 225, at the moment, the second horizontal support plate 229 drives the guide block 24 to move along the axial direction of the spring winding roller 336, and the spring metal wire rod moves along the axial direction of the spring winding roller 336 due to the fact that the spring metal wire rod penetrates through the first through hole 25, so that the spring metal wire rod is uniformly wound on the spring winding roller 336 at present to form a spring;
S7, after the length of the spring is reached, the spring metal wire straightening device 1, the metal wire reciprocating guiding device 2 and the spring forming device 3 are stopped, and the spring winding roller 336 does not rotate any more;
s8, a fusing cutter 363 is arranged at the tail end of the set spring length, the process is installed in advance, a fusing lifting driving cylinder 361 drives the fusing cutter 363 to descend, the fusing cutter 363 is arranged right above the spring metal wire, a clamping jaw of a spring metal wire clamping jaw cylinder 325 of a first metal wire fixing unit 32 clamps the spring metal wire, and the fusing cutter 363 is started to fuse and cut the spring metal wire;
s9, locking the lifting driving cylinder 351 to descend, driving the electric wrench 354 to extend into the inner hexagonal hole of the fixing screw 337, starting the electric wrench 354, rotating the fixing screw 337 anticlockwise, releasing one end of the spring metal wire rod by the fixing screw 337, and enabling the formed spring and the spring winding roller 336 to be movable;
and S10, detaching the spring winding roller 336 from the winding rotating shaft 333, and removing the formed spring from the spring winding roller 336 so as to finish forming the spring.
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.
Claims (6)
1. An anti-stretching spring forming device, characterized in that: the spring metal wire straightening device (1), the metal wire reciprocating guiding device (2) and the spring forming device (3) are sequentially arranged;
the spring forming device (3) comprises a forming machine table (31), a first metal wire fixing unit (32), a spring winding unit (33) and a metal wire end fixing unit (34), wherein the first metal wire fixing unit (32), the spring winding unit (33) and the metal wire end fixing unit (34) are arranged on the forming machine table (31), the first metal wire fixing unit (32) and the metal wire end fixing unit (34) are respectively positioned on two sides of the spring winding unit (33), and the first metal wire fixing unit (32) and the metal wire end fixing unit (34) are symmetrically arranged; the spring winding unit (33) comprises a winding driving motor (331), a speed reducer (332), a winding rotating shaft (333), two winding upright posts (334) which are symmetrically arranged, a winding cross beam (335) and a spring winding roller (336), wherein the winding driving motor (331), the speed reducer (332) and the two winding upright posts (334) which are symmetrically arranged are fixedly arranged on a forming machine table (31), the winding cross beam (335) is fixedly arranged at the upper end parts of the two winding upright posts (334) which are symmetrically arranged, the winding driving motor (331) is connected with the speed reducer (332), the speed reducer (332) is connected with the winding rotating shaft (333), the winding rotating shaft (333) is arranged on the winding upright post (334), the spring winding roller (336) is connected with the winding rotating shaft (333), at least one fixing screw (337) is arranged on the spring winding roller (336), one end of a spring metal wire is pressed on the spring winding roller (336) through the fixing screw (337), and the winding driving motor (331) drives the spring winding roller (336) to wind a spring; the first metal wire fixing unit (32) and the first metal wire end fixing unit (34) are identical in structure, the first metal wire fixing unit (32) and the first metal wire end fixing unit (34) comprise a linear module (321), a first linear guide rail (322), a first linear slide block (323), a horizontal moving plate (324) and a spring metal wire clamping jaw cylinder (325), the first linear module (321) and the first linear guide rail (322) are fixedly arranged on a forming machine table (31), the moving directions of the first linear guide rail (322) and the first linear guide rail (321) are parallel, the first linear slide block (323) and the first linear guide rail (322) are in sliding connection, the horizontal moving plate (324) is fixedly connected with the first linear slide block (323) and the slide block of the first linear guide rail (321), the spring metal wire clamping jaw cylinder (325) is fixedly arranged on the end part, close to the spring winding unit (33), and the spring metal wire can be clamped by the spring metal wire clamping jaw cylinder (325);
The metal wire reciprocating guiding device (2) comprises a reciprocating guiding machine table (21), a reciprocating guiding driving assembly (22), two symmetrically arranged vertical supporting plates (23) and a guiding block (24), wherein the reciprocating guiding driving assembly (22) is arranged on the reciprocating guiding machine table (21), the two symmetrically arranged vertical supporting plates (23) are arranged on the reciprocating guiding driving assembly (22), the guiding block (24) is arranged on the two symmetrically arranged vertical supporting plates (23), a group of first through holes (25) are formed in the guiding block (24), and the spring metal wire penetrates through the first through holes (25);
spring metal wire straightening device (1) is including alignment drive assembly (11), metal wire feeding sleeve (12), metal wire ejection of compact sleeve (13), metal wire alignment subassembly (14) and alignment support frame (15), alignment drive assembly (11), metal wire feeding sleeve (12) and metal wire ejection of compact sleeve (13) are all fixed to be set up on alignment support frame (15), metal wire feeding sleeve (12) and metal wire ejection of compact sleeve (13) are located alignment support frame (15) respectively along the both ends of the traction direction of spring metal wire, alignment drive assembly (11) are connected with metal wire ejection of compact sleeve (13), metal wire feeding sleeve (12) and metal wire ejection of compact sleeve (13) are connected along the both ends of metal wire traction direction respectively with metal wire alignment subassembly (14), spring metal wire passes metal wire feeding sleeve (12), metal wire alignment subassembly (14) and metal wire ejection of compact sleeve (13) in proper order, metal wire ejection of compact sleeve (13) and alignment support frame (15) rotate and connect.
2. The stretch-resistant spring forming apparatus of claim 1, wherein: the winding beam (335) is provided with a screw locking component (35) and a spring metal wire fusing component (36), the screw locking component (35) comprises a locking lifting driving cylinder (351), a guide post I (352), an electric wrench mounting plate (353) and an electric wrench (354), the locking lifting driving cylinder (351) is fixedly arranged on the winding beam (335), a piston rod of the locking lifting driving cylinder (351) is connected with the electric wrench mounting plate (353), the lower end part of the guide post I (352) is connected with the electric wrench mounting plate (353), the guide post I (352) is in sliding connection with the winding beam (335), the electric wrench (354) is mounted on the electric wrench mounting plate (353), a gun head of the electric wrench (354) is positioned right above a fixing screw (337), the spring metal wire fusing component (36) comprises a fusing lifting driving cylinder (361), a guide post II (362), a fusing cutter 363 and a fusing cutter mounting plate (364), the fusing lifting driving cylinder (361) is fixedly arranged on the winding beam (361), and the lower end part of the fusing cutter (364) is connected with the lower end part of the guide post (364), and the second guide post (362) is in sliding connection with the winding cross beam (335), the fusion cutting machine (363) is mounted on the fusion cutting machine mounting plate (364), and the fusion cutting machine (363) is positioned above the spring metal wire.
3. The stretch-resistant spring forming apparatus of claim 2, wherein: the reciprocating guide driving assembly (22) comprises a reciprocating driving motor (221), a reciprocating driving wheel (222), a gear belt (223), a reciprocating driving driven wheel (224), a reciprocating driving screw rod (225), a group of screw nuts (226), a horizontal guide rail (227), a horizontal guide sliding plate (228) and a horizontal support plate II (229), wherein the reciprocating driving motor (221) and the reciprocating driving screw rod (225) are arranged on the reciprocating guiding machine table (21), the reciprocating driving motor (221) is connected with the reciprocating driving wheel (222), the reciprocating driving wheel (222) is connected with the reciprocating driving driven wheel (224) through the gear belt (223), the reciprocating driving driven wheel (224) is connected with the reciprocating driving screw rod (225) through a key, the group of screw nuts (226) is in threaded connection with the reciprocating driving screw rod (225), one of the horizontal guide sliding plate (228) and the group of screw nuts (226) is connected, the horizontal guide rail (227) is arranged in parallel to the reciprocating driving screw rod (225), the horizontal guide sliding plate (228) is in sliding connection with the horizontal guide plate II (229) and the group of screw nuts (226) is fixedly connected with the horizontal guide screw rod (228), the two symmetrically arranged vertical support plates (23) are arranged on the upper end face of the horizontal support plate II (229).
4. A stretch resistant spring forming apparatus according to claim 3, wherein: the straightening driving assembly (11) comprises a first straightening driving motor (111), a straightening rotating shaft (112), a straightening driving wheel (113), a straightening belt (114) and a straightening driven wheel (115), one end of the straightening rotating shaft (112) is connected with the rotating shaft of the first straightening driving motor (111), the straightening driving wheel (113) is sleeved on the straightening rotating shaft (112), the straightening driving wheel (113) is connected with the straightening driven wheel (115) through the straightening belt (114), and the straightening driven wheel (115) is connected with the metal wire discharging sleeve (13).
5. The stretch-resistant spring forming apparatus of claim 4, wherein: the metal wire straightening assembly (14) comprises a rectangular supporting frame (141), a first straightening slide plate (142), a second straightening slide plate (143), a group of position adjusting screws (144), a group of first straightening rollers (145), a group of second straightening rollers (146), a group of first roller supporting frames (147) and a group of second roller supporting frames (148), the metal wire feeding sleeve (12) and the metal wire discharging sleeve (13) are respectively connected with two ends of the rectangular supporting frame (141) in the length direction, sliding grooves I (149) are respectively arranged on inner walls of the two ends of the rectangular supporting frame (141) in the length direction, the first straightening slide plate (142) and the second straightening slide plate (143) are positioned in the rectangular supporting frame (141), two opposite long sides of the rectangular supporting frame (141) are respectively provided with a group of position adjusting screws (144), one end of the position adjusting screws (144) penetrates through the rectangular supporting frame (141) to respectively prop against the first straightening slide plate (142) and the second straightening slide plate (143) in the rectangular supporting frame (149), one end face of the straightening slide plate (142) is far away from the inner wall of the rectangular supporting frame (141), the utility model discloses a metal wire rod straightening device, including a set of gyro wheel support frame (147) and a set of alignment gyro wheel (145) one-to-one to alignment gyro wheel (145) set up on gyro wheel support frame (147), a set of gyro wheel support frame (148) set up on the terminal surface that rectangle support frame (141) inner wall was kept away from to alignment slide two (143), a set of gyro wheel support frame (148) and a set of alignment gyro wheel (146) one-to-one set up to alignment gyro wheel (146) set up on gyro wheel support frame (148), the axis of alignment gyro wheel (145) and the axis of alignment gyro wheel (146) are inclined setting for the limit of rectangle support frame (141), and the axis of alignment gyro wheel (145) and the axis of alignment gyro wheel (146) are "X" alternately set up, can pass the metal wire rod between the outer wall of alignment gyro wheel (145) and the outer wall of alignment gyro wheel (146).
6. The method of operating an anti-tension spring forming apparatus of claim 5, wherein: the method comprises the following steps:
s1, one end of a spring metal wire sequentially passes through a metal wire feeding sleeve (12), a metal wire straightening assembly (14), a metal wire discharging sleeve (13), a first through hole (25) and a first metal wire fixing unit (32), and one end of the spring metal wire is arranged between a fixing screw (337) and the outer wall of a spring winding roller (336);
s2, locking a lifting driving cylinder (351) to descend, driving an electric wrench (354) to extend into an inner hexagonal hole of a fixing screw (337), starting the electric wrench (354), rotating the fixing screw (337) clockwise, pressing one end of a spring metal wire on the outer wall of a spring winding roller (336) by the fixing screw (337), and locking the lifting driving cylinder (351) to reset;
s3, a first straightening driving motor (111) is used for driving, and a rectangular supporting frame (141) is driven to rotate through transmission of a straightening driving wheel (113), a straightening belt (114) and a straightening driven wheel (115), at the moment, a first straightening roller (145) and a second straightening roller (146) synchronously rotate, and because the spring metal wire is in contact with the outer walls of the first straightening roller (145) and the second straightening roller (146), the first straightening roller (145) and the second straightening roller (146) straighten the curled spring metal wire;
S4, starting a winding driving motor (331), driving a spring winding roller (336) to rotate through a winding rotating shaft (333), wherein one end of a spring metal wire is fixed on the spring winding roller (336), so that the spring metal wire is wound on the outer wall of the spring winding roller (336) in the rotating process of the spring winding roller (336);
s5, in the rotating process of the spring winding roller (336), the first metal wire fixing unit (32) and the metal wire reciprocating guide device (2) move along the axial direction of the spring winding roller (336) according to the thread pitch of the forming spring, and the spring metal wire is always positioned in the clamping jaw of the spring metal wire clamping jaw cylinder (325) of the first metal wire fixing unit (32);
s6, working of the metal wire reciprocating guide device (2): the reciprocating driving motor (221) is started, the reciprocating driving screw rod (225) is driven to rotate through a transmission structure formed by the reciprocating driving wheel (222), the gear belt (223) and the reciprocating driving driven wheel (224), so that a group of screw nuts (226) move along the axial direction of the reciprocating driving screw rod (225), at the moment, the horizontal support plate II (229) drives the guide block (24) to move along the axial direction of the spring winding roller (336), and the spring metal wire rod moves along with the axial direction of the spring winding roller (336) due to the fact that the spring metal wire rod penetrates through the first through hole (25), so that the spring metal wire rod is uniformly wound on the spring winding roller (336) to form a spring;
S7, after the length of the spring is reached, stopping the spring metal wire straightening device (1), the metal wire reciprocating guide device (2) and the spring forming device (3), and stopping the spring winding roller (336) from rotating;
s8, a fusion cutting machine (363) is arranged at the tail end of the set spring length, the fusion cutting machine (363) is driven to descend by a fusion lifting driving cylinder (361) in advance, the fusion cutting machine (363) is arranged right above a spring metal wire, a clamping jaw of a spring metal wire clamping jaw cylinder (325) of a first metal wire fixing unit (32) clamps the spring metal wire, and the fusion cutting machine (363) is started to cut the spring metal wire in a fusion manner;
s9, locking a lifting driving cylinder (351) to descend, driving an electric wrench (354) to extend into an inner hexagonal hole of a fixing screw (337), starting the electric wrench (354), rotating the fixing screw (337) anticlockwise, releasing one end of a spring metal wire by the fixing screw (337), and enabling a formed spring and a spring winding roller (336) to move at the moment;
s10, detaching the spring winding roller (336) from the winding rotating shaft (333), and removing the formed spring from the spring winding roller (336), so that the forming of the spring is completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111648256.XA CN114393154B (en) | 2021-12-30 | 2021-12-30 | Stretch-proof spring forming equipment and working method thereof |
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| CN202111648256.XA CN114393154B (en) | 2021-12-30 | 2021-12-30 | Stretch-proof spring forming equipment and working method thereof |
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| CN114393154B true CN114393154B (en) | 2023-06-02 |
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| CN213469389U (en) * | 2020-09-25 | 2021-06-18 | 昆山兴昌宇精密五金有限公司 | Former is used in spring production |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108580761A (en) * | 2018-06-06 | 2018-09-28 | 杭州巧狮信息科技有限公司 | A kind of spring multiaxis molding machine |
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| CN213469389U (en) * | 2020-09-25 | 2021-06-18 | 昆山兴昌宇精密五金有限公司 | Former is used in spring production |
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