CN117505728B - Spring coiling machine for spring processing and production process thereof - Google Patents
Spring coiling machine for spring processing and production process thereof Download PDFInfo
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- CN117505728B CN117505728B CN202410018755.8A CN202410018755A CN117505728B CN 117505728 B CN117505728 B CN 117505728B CN 202410018755 A CN202410018755 A CN 202410018755A CN 117505728 B CN117505728 B CN 117505728B
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- 238000012545 processing Methods 0.000 title claims abstract description 69
- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 238000007493 shaping process Methods 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 49
- 230000007306 turnover Effects 0.000 claims description 27
- 238000000227 grinding Methods 0.000 claims description 22
- 230000009471 action Effects 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 7
- 210000000078 claw Anatomy 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241000270295 Serpentes Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
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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
- B21F3/00—Coiling wire into particular forms
- B21F3/02—Coiling wire into particular forms helically
- B21F3/04—Coiling wire into particular forms helically externally on a mandrel or the like
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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
- B21F11/005—Cutting wire springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
- B24B31/16—Means for separating the workpiece from the abrasive medium at the end of operation
Abstract
The utility model discloses a spring coiling machine for spring processing and a production process thereof, belonging to the field of spring processing, and comprising a machine body, a wire inlet mechanism and a wire coiling mechanism which are sequentially arranged along the transmission direction of a metal wire; the shaping mechanism comprises an expansion shaping pipe and a driving unit, wherein the expansion shaping pipe is matched with the processing spring, and the driving unit is used for driving the expansion shaping pipe to expand and contract. According to the spring coiling machine for spring processing and the production process thereof, the processed spring can be shaped by arranging the shaping mechanism, so that the spring quality is improved, and meanwhile, burrs on the end face of the spring can be removed by arranging the burr removing mechanism, so that the spring quality is further improved.
Description
Technical Field
The utility model relates to the technical field of spring production, in particular to a spring coiling machine for spring processing and a production process thereof.
Background
Spring coiling machine commonly known as spring coiling machine refers to mechanical equipment for producing springs, and is divided into according to functional characteristics: compression spring machine, extension spring machine, omnipotent machine, disc machine and special spring machine like: the snake spring machine and the torsion spring machine are divided into: semi-automatic, numerical control.
The structure of the existing spring coiling machine is as follows:
CN202222796857.1 discloses a high-efficiency five-axis computer numerical control spring coiling machine, which comprises a five-axis numerical control spring coiling machine body, wherein a mandrel is slidably arranged on the five-axis numerical control spring coiling machine body, a controller is arranged on the side wall of one side of the five-axis numerical control spring coiling machine body, the controller is electrically connected with the five-axis numerical control spring coiling machine body, a mounting plate is arranged at one end of the five-axis numerical control spring coiling machine body, a moving component for the movement of the mounting plate is arranged on the five-axis numerical control spring coiling machine body, and a rotating disc is rotationally connected on the side wall of one side of the mounting plate, which is far away from the five-axis numerical control spring coiling machine body. The five-axis numerical control spring coiling machine is provided with the five-axis numerical control spring coiling machine body, the mandrel, the controller, the mounting plate, the rotating disc, the transmission rod, the movable block, the movable rod, the knocking head limiting pipe, the limiting rod, the limiting plate and other structures, which are matched with each other, so that residues on the surface of the spring are automatically knocked and cleaned, the manual labor is reduced, the time is saved, and the working efficiency is improved.
CN201820302880.1 discloses a spring coiling mechanism, it includes the spring coiling machine body, spring coiling machine body lateral wall is equipped with the discharge gate, the deflector, the pitch piece, spring coiling machine body lateral wall is equipped with the butt piece, the butt piece can butt in the spring be close to in the lateral wall of spring coiling machine body, the butt piece is located the discharge gate top, spring coiling machine body has the impeller along vertical direction sliding connection, the impeller is located the below of discharge gate, the impeller butt is kept away from the lateral wall of spring coiling machine body in the spring, spring coiling machine body lateral wall fixedly connected with drive the first cylinder that the impeller moved along vertical direction. The coil spring mechanism solves the problem that if a punching mandrel is too thin, the spring with small coiling ratio is easy to break seriously, but the spring is twisted off from a bending position in a kinking mode, so that the problem that the mandrel is broken by vertical force is avoided, and notch burrs are avoided on the end face of the spring.
CN201820240826.9 discloses a cutting device for producing snap springs of spring coiling machine, which comprises a first shear block arranged on the spring coiling machine, a second shear block which is connected with the spring coiling machine along a horizontal sliding way and is attached to the side wall of the first shear block, the first shear block is positioned on one side of the guide plate back away from the discharge hole, and the spring coiling machine is provided with a second cylinder for driving the second shear block to move. The cutting device for the snap spring produced by the spring coiling machine can ensure that the snap spring cut by the cutting device is arc-shaped, and avoid that one end of the snap spring, which is close to a discharge hole, is not contacted with a guide plate and is in a straight line shape.
The existing spring coiling machine has the following defects:
1. the spring is easy to deform after the spring is curled due to lack of a shaping structure;
2. burrs exist at the cutting section of the spring, and the quality of products is affected.
Disclosure of Invention
In order to solve the problems, the utility model provides the spring coiling machine for spring processing and the production process thereof, wherein the shaping mechanism is arranged to shape the processed spring, so that the spring quality is improved, and the burr removing mechanism is arranged to remove the burrs on the end face of the spring, so that the spring quality is further improved.
In order to achieve the above purpose, the utility model provides a spring coiling machine for spring processing, which comprises a machine body, a wire inlet mechanism and a wire coiling mechanism, wherein the wire inlet mechanism and the wire coiling mechanism are sequentially arranged along the transmission direction of a metal wire;
the shaping mechanism comprises an expansion shaping pipe and a driving unit, wherein the expansion shaping pipe is matched with the processing spring, and the driving unit is used for driving the expansion shaping pipe to expand and contract.
Preferably, the expansion shaping pipe comprises an inner conical pipe and an outer expansion pipe axially arranged on the outer side of the inner conical pipe in a sliding manner, the inner side of the outer expansion pipe is provided with a conical slope matched with the inner conical pipe, and the outer side of the outer expansion pipe is provided with a spiral shaping groove matched with the processing spring;
the outer expansion pipe consists of two hollow half pipes which are symmetrically arranged, the two hollow half pipes are radially and slidably connected with the mounting disc, and the outer expansion pipe and the mounting disc are concentrically arranged;
the center of the installation plate is provided with a through hole, and the inner conical tube penetrates into the outer expansion tube after passing through the through hole.
Preferably, the driving unit comprises a first-stage telescopic component connected with one end of the inner conical tube far away from the outer expansion tube and a second-stage telescopic component with an output end connected with the first-stage telescopic component;
the secondary telescopic assembly comprises a bottom mounting plate and a secondary cylinder fixed on the bottom mounting plate;
the first-stage telescopic assembly comprises a top mounting plate and a first-stage air cylinder, the top mounting plate is arranged above the bottom mounting plate and is horizontally and slidably connected with the bottom mounting plate, the first-stage air cylinder is arranged at the top end of the top mounting plate, and the output end of the first-stage air cylinder is connected with an internal conical tube;
the output end of the secondary cylinder is connected with the bottom end of the top mounting plate, and the sliding direction of the top mounting plate is the expansion direction of the inner conical tube;
the top mounting plate is fixed with the mounting plate.
Preferably, radial guide grooves are formed in the end face side of the mounting plate and correspond to the positions of the hollow half pipes, opposite sides of the two hollow half pipes are connected with the radial guide grooves in a sliding mode through sliding blocks, and the sliding blocks are connected with the inner walls of the radial guide grooves through compression springs;
the outside of cavity semicircle is fixed with first spliced pole, and first spliced pole passes through the draw-in groove joint of elastic claw with seting up in second spliced pole one end circumference side, and the other end and the slider fixed connection of second spliced pole.
Preferably, a material stirring rod is arranged above one end, close to the mounting disc, of the outer conical tube, and the bottom end of the material stirring rod is contacted with the end face of the processing spring sleeved outside the outer expansion tube;
the material stirring rod and the bottom mounting plate are fixedly connected with the machine body.
Preferably, the burr removing mechanism comprises an abrasive cylinder, a spiral stirring rod, a spiral stirring blade and a stirring driving motor, wherein the input end of the abrasive cylinder is arranged corresponding to the external expansion pipe, the spiral stirring rod is rotatably arranged in the abrasive cylinder, the spiral stirring blade is fixed on the circumference side of the spiral stirring rod, and the stirring driving motor is fixed on the outer wall of the abrasive cylinder and is used for driving the spiral stirring rod to rotate;
the abrasive cylinder is internally provided with an abrasive for removing burrs on the processing spring by friction;
the position communication that just corresponds outside expansion pipe on the abrasive cylinder has feed hopper, and the one end that the abrasive cylinder kept away from feed hopper is provided with the discharge gate, and the position that corresponds the discharge gate is provided with abrasive filtering mechanism.
Preferably, the abrasive filtering mechanism comprises a multi-stage filtering screen unit, each stage of filtering screen unit comprises a bottom fixed frame and a top movable frame movably arranged at the top end of the bottom fixed frame, a turnover filter screen is arranged in the top movable frame, one end of the turnover filter screen is vertically and rotatably connected with the inner wall of one side of the top movable frame, and the bottom of the other end of the turnover filter screen is vertically and rotatably connected with a jacking air cylinder fixed on the inner wall of the other side of the top movable frame;
a discharging slope is arranged at the rotary connection position of the top movable frame corresponding to the overturning filter screen, the discharging slope is flush with one end of the overturning filter screen far away from the jacking cylinder, and one end of the overturning filter screen close to the jacking cylinder is inclined downwards;
the mesh size of the turnover filter screen is larger than the outer diameter of the abrasive and smaller than the size of the processing spring.
Preferably, the top of guide bar is fixed at four corners of the bottom of the top movable frame, the bottom of guide bar is vertically and slidably connected with the guide groove arranged at the top of the bottom fixed frame, and the guide bar extending out of the guide groove is sleeved with a vibrating spring.
Preferably, the bottom fixing frame is communicated with the feeding funnel through a vacuum recovery pipe, and a vacuum pump is arranged in the feeding funnel.
A production process of a spring coiling machine for spring processing comprises the following steps:
s1, a metal wire extends from a wire inlet mechanism to a wire coiling mechanism, the metal wire is bent into a processing spring by the aid of the wire coiling mechanism, and the processing spring is sleeved outside an external expansion pipe;
s2, cutting off a metal wire by means of a winding mechanism, enabling a first-stage air cylinder to extend out, pushing an inner conical tube into an outer expansion tube, and expanding the outer expansion tube by utilizing the cooperation between a conical slope and the inner conical tube, so that the outer wall of the outer expansion tube is clung to the inside of a spring, the spring falls into a spiral shaping groove outside the outer expansion tube, after a set time is set, the first-stage air cylinder is contracted to drive the inner conical tube to be pulled out, the outer expansion tube is reset under the action of a compression spring, a movement allowance is reserved between the outer expansion tube and the spring, and then a second-stage air cylinder is contracted to drive the outer expansion tube to move in a direction away from a machine body, and under the action of a stirring rod, a processing spring is pulled down from the outer expansion tube;
s3, the shaped processing spring falls into the grinding cylinder from the feeding hopper, the spiral stirring rod is driven to stir the processing spring and the grinding material positioned in the grinding cylinder under the action of the stirring driving motor, friction is generated between the grinding material and the processing spring, burrs on the end face of the processing spring are removed, and meanwhile the processing spring is output from the discharge hole under the action of the spiral stirring rod;
s4, a processing spring doped with abrasive falls onto a turnover filter screen of a first-stage filter screen unit, the processing spring impacts the turnover filter screen, under the action of impact force and a vibration spring, a top movable frame vibrates, the abrasive is primarily filtered by means of vibration, then a jacking cylinder acts, one end of the turnover filter screen is lifted, the processing spring rolls down to a next filter screen unit along the turnover filter screen and a discharging slope under the action of self gravity, and the actions are repeated until the last-stage filter screen unit conveys the spring into a packing box after the filtration is completed.
The utility model has the following beneficial effects:
1. the spring after processing can be shaped by arranging the shaping mechanism, so that the spring quality is improved;
2. through setting up burr removing mechanism, can get rid of the terminal surface burr of spring, further improved spring quality.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic diagram of a spring coiling machine for spring processing according to the present utility model;
fig. 2 is an enlarged view at a in fig. 1;
FIG. 3 is a side view of an outer expansion tube of the spring machine for spring machining of the present utility model;
FIG. 4 is an outboard inflation tube mounting view of a spring machine for spring machining in accordance with the present utility model.
Wherein: 1. a metal wire; 2. a body; 3. a wire inlet mechanism; 4. a winding mechanism; 5. a shaping mechanism; 51. an outer expansion tube; 511. an elastic claw; 52. a stirring rod; 53. an inner conical tube; 54. a mounting plate; 541. a slide block; 55. a first-stage cylinder; 56. a top mounting plate; 57. a second-stage cylinder; 58. a bottom mounting plate; 59. a compression spring; 6. a burr removing mechanism; 61. a feed hopper; 62. a stirring driving motor; 63. a spiral stirring rod; 64. a grinding cylinder; 65. spiral stirring blades; 66. a discharge port; 7. an abrasive filtering mechanism; 71. turning over the filter screen; 72. a bottom fixing frame; 73. a top movable frame; 74. a blanking slope; 75. a vibration spring; 76. a guide rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the detailed description and specific examples, while indicating the embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein. Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality.
It should be noted that the terms "comprises" and "comprising," along with any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or server that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" 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 utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-4, the spring coiling machine for spring processing comprises a machine body 2, a wire inlet mechanism 3 and a wire coiling mechanism 4 which are sequentially arranged along the transmission direction of a metal wire 1, a shaping mechanism 5 arranged at the output end of the wire coiling mechanism 4, and a burr removing mechanism 6 arranged at the output end of the shaping mechanism 5; the shaping mechanism 5 comprises an expansion shaping pipe matched with the processing spring and a driving unit for driving the expansion shaping pipe to expand and contract.
Specifically, the expansion shaping tube comprises an inner conical tube 53 and an outer expansion tube 51 axially arranged on the outer side of the inner conical tube 53 in a sliding manner, the inner side of the outer expansion tube 51 is provided with a conical slope matched with the inner conical tube 53, and the outer side of the outer expansion tube 51 is provided with a spiral shaping groove matched with a processing spring; the outer expansion pipe 51 consists of two hollow half pipes which are symmetrically arranged, the two hollow half pipes are radially and slidably connected with the mounting disc 54, and the outer expansion pipe 51 and the mounting disc 54 are concentrically arranged; the center of the mounting plate 54 is provided with a through hole, and the inner conical tube 53 penetrates into the outer expansion tube 51 after passing through the through hole.
Preferably, the driving unit comprises a primary expansion assembly connected with one end of the inner conical tube 53 far away from the outer expansion tube 51 and a secondary expansion assembly with an output end connected with the primary expansion assembly; the secondary telescopic assembly comprises a bottom mounting plate 58 and a secondary cylinder 57 fixed on the bottom mounting plate 58; the primary expansion assembly comprises a top mounting plate 56 arranged above a bottom mounting plate 58 and horizontally and slidably connected with the bottom mounting plate 58, and a primary air cylinder 55 arranged at the top end of the top mounting plate 56, wherein the output end of the primary air cylinder 55 is connected with the inner conical tube 53; the output end of the secondary cylinder 57 is connected with the bottom end of the top mounting plate 56, and the sliding direction of the top mounting plate 56 is the expansion and contraction direction of the inner conical tube 53; a top mounting plate 56 is secured to the mounting plate 54.
Preferably, radial guide grooves are formed on the end face side of the mounting plate 54 and correspond to the positions of the hollow half pipes, the opposite sides of the two hollow half pipes are both in sliding connection with the radial guide grooves through sliding blocks 541, and the sliding blocks 541 are also connected with the inner walls of the radial guide grooves through compression springs 59; the outside of cavity semicube is fixed with first spliced pole, first spliced pole passes through elastic claw 511 and sets up the draw-in groove joint of second spliced pole one end circumference side, the other end and the slider 541 fixed connection of second spliced pole, the outer circumference side evenly distributed of first spliced pole of this embodiment has a plurality of elastic claws 511, the outer circumference side of second spliced pole corresponds a plurality of elastic claws 511 one-to-one and is provided with a plurality of draw-in grooves, the outside expansion pipe 51 that the change has different spiral design grooves when the spring of production takes place to change of being convenient for.
Preferably, a material stirring rod 52 is arranged above one end, close to the mounting disc 54, of the outer conical tube, and the bottom end of the material stirring rod 52 is contacted with the end face of a processing spring sleeved outside the outer expansion tube; the material stirring rod 52 and the bottom mounting plate 58 are fixedly connected with the machine body 2.
Preferably, the burr removing mechanism 6 includes a grinding drum 64 whose input end is provided in correspondence with the outer expansion pipe 51, a screw stirring rod 63 rotatably provided inside the grinding drum 64, a screw stirring blade 65 fixed to a circumferential side of the screw stirring rod 63, and a stirring driving motor 62 fixed to an outer wall of the grinding drum 64 for driving the screw stirring rod 63 to rotate; the abrasive cylinder 64 is internally provided with an abrasive for removing burrs on the machined spring by friction; the feeding funnel 61 is communicated with the position of the grinding cylinder 64 corresponding to the external expansion pipe 51, a discharge port 66 is arranged at one end of the grinding cylinder 64 far away from the feeding funnel 61, and an abrasive filtering mechanism 7 is arranged at the position corresponding to the discharge port 66.
Preferably, the abrasive filtering mechanism 7 comprises a multi-stage filtering screen unit, each stage of filtering screen unit comprises a bottom fixed frame 72 and a top movable frame 73 movably arranged at the top end of the bottom fixed frame 72, a turnover filter screen 71 is arranged in the top movable frame 73, one end of the turnover filter screen 71 is vertically and rotatably connected with the inner wall of one side of the top movable frame 73, and the bottom of the other end of the turnover filter screen is vertically and rotatably connected with a jacking air cylinder fixed on the inner wall of the other side of the top movable frame 73; the top movable frame 73 is provided with a blanking slope 74 corresponding to the rotary connection position of the turnover filter screen 71, the blanking slope 74 is flush with one end of the turnover filter screen 71 far away from the jacking cylinder, and one end of the turnover filter screen 71 close to the jacking cylinder is inclined downwards; the mesh size of the flip filter 71 is larger than the outer diameter of the abrasive and smaller than the size of the processing spring.
And a packing box is arranged at the output end of the filter screen unit of the last stage.
Preferably, the four corners of the bottom end of the top movable frame 73 are respectively fixed with the top ends of guide rods 76, the bottom ends of the guide rods 76 are vertically and slidably connected with guide grooves formed in the top ends of the bottom fixed frames 72, and the guide rods 76 extending out of the guide grooves are sleeved with vibrating springs 75.
Preferably, the bottom fixing frame 72 is communicated with the feeding funnel 61 through a vacuum recovery pipe, a vacuum pump is arranged in the feeding funnel 61, and the abrasive filtered into the bottom fixing frame 72 can be returned into the abrasive cylinder 64 through the vacuum recovery pipe, so that the recycling is realized, and the utilization rate is improved.
A production process of a spring coiling machine for spring processing comprises the following steps:
s1, a metal wire 1 extends from a wire inlet mechanism 3 to a wire coiling mechanism 4, the metal wire 1 is bent into a processing spring by the aid of the wire coiling mechanism 4, and the processing spring is sleeved outside an external expansion pipe 51;
s2, cutting off the metal wire 1 by means of the winding mechanism 4, enabling a first-stage air cylinder 55 to extend, pushing an inner conical tube 53 into an outer expansion tube 51, expanding the outer expansion tube 51 by utilizing the cooperation between a conical slope and the inner conical tube 53, enabling the outer wall of the outer expansion tube 51 to be tightly attached to the inside of a spring, enabling the spring to fall into a spiral shaping groove outside the outer expansion tube 51, enabling the first-stage air cylinder 55 to shrink after a set time is set, driving the inner conical tube 53 to be pulled out, enabling the outer expansion tube 51 to reset under the action of a compression spring 59, enabling a movement allowance to be reserved between the outer expansion tube 51 and the spring, enabling a second-stage air cylinder 57 to shrink, driving the outer expansion tube 51 to move in a direction away from a machine body 2, and enabling a processing spring to be pulled down from the outer expansion tube 51 under the action of a stirring rod 52;
s3, the shaped processing spring falls into the grinding cylinder 64 from the feeding funnel 61, the spiral stirring rod 63 is driven to stir the processing spring and grinding materials positioned in the grinding cylinder 64 under the action of the stirring driving motor 62, friction is generated between the grinding materials and the processing spring, burrs on the end face of the processing spring are removed, and meanwhile the processing spring is output from the discharge hole 66 under the action of the spiral stirring rod 63;
s4, a processing spring doped with abrasive falls onto the turnover filter screen 71 of the first-stage filter screen unit, the processing spring impacts the turnover filter screen 71, under the action of impact force and the vibration spring 75, the top movable frame 73 vibrates, the abrasive is primarily filtered by means of vibration, then the cylinder is lifted up to lift one end of the turnover filter screen 71, the turnover filter screen 71 is lifted up, the processing spring rolls down to the next filter screen unit along the turnover filter screen 71 and the blanking slope 74 under the action of self gravity, and the actions are repeated until the filtering is completed, and the last-stage filter screen unit conveys the spring into a packing box.
Therefore, the spring coiling machine for spring processing and the production process thereof adopting the structure can shape the processed spring by arranging the shaping mechanism, improve the spring quality, and simultaneously remove the end surface burrs of the spring by arranging the burr removing mechanism, thereby further improving the spring quality.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (7)
1. The utility model provides a spring processing is with spring coiling machine, includes organism and inlet wire mechanism and wire coiling mechanism that sets gradually along the direction of metal wire transmission, its characterized in that: the device also comprises a shaping mechanism arranged at the output end of the winding mechanism and a burr removing mechanism arranged at the output end of the shaping mechanism;
the shaping mechanism comprises an expansion shaping pipe matched with the processing spring and a driving unit for driving the expansion shaping pipe to expand and contract;
the expansion shaping pipe comprises an inner conical pipe and an outer expansion pipe axially arranged on the outer side of the inner conical pipe in a sliding manner, the inner side of the outer expansion pipe is provided with a conical slope surface matched with the inner conical pipe, and the outer side of the outer expansion pipe is provided with a spiral shaping groove matched with the processing spring;
the outer expansion pipe consists of two hollow half pipes which are symmetrically arranged, the two hollow half pipes are radially and slidably connected with the mounting disc, and the outer expansion pipe and the mounting disc are concentrically arranged;
the center of the mounting disc is provided with a through hole, and the inner conical tube penetrates into the outer expansion tube after passing through the through hole;
the driving unit comprises a first-stage telescopic component connected with one end of the inner conical tube far away from the outer expansion tube and a second-stage telescopic component with an output end connected with the first-stage telescopic component;
the secondary telescopic assembly comprises a bottom mounting plate and a secondary cylinder fixed on the bottom mounting plate;
the first-stage telescopic assembly comprises a top mounting plate and a first-stage air cylinder, the top mounting plate is arranged above the bottom mounting plate and is horizontally and slidably connected with the bottom mounting plate, the first-stage air cylinder is arranged at the top end of the top mounting plate, and the output end of the first-stage air cylinder is connected with an internal conical tube;
the output end of the secondary cylinder is connected with the bottom end of the top mounting plate, and the sliding direction of the top mounting plate is the expansion direction of the inner conical tube;
the top mounting plate is fixed with a mounting plate;
radial guide grooves are formed in the end face sides of the mounting plate and correspond to the positions of the hollow half pipes, the opposite sides of the two hollow half pipes are connected with the radial guide grooves in a sliding mode through sliding blocks, and the sliding blocks are connected with the inner walls of the radial guide grooves through compression springs;
the outside of cavity semicircle is fixed with first spliced pole, and first spliced pole passes through the draw-in groove joint of elastic claw with seting up in second spliced pole one end circumference side, and the other end and the slider fixed connection of second spliced pole.
2. The spring coiling machine for spring processing according to claim 1, wherein: a material stirring rod is arranged above one end, close to the mounting disc, of the corresponding external conical tube, and the bottom end of the material stirring rod is contacted with the end face of a processing spring sleeved outside the outer expansion tube;
the material stirring rod and the bottom mounting plate are fixedly connected with the machine body.
3. The spring coiling machine for spring processing according to claim 1, wherein: the burr removing mechanism comprises a grinding cylinder, a spiral stirring rod, a spiral stirring blade and a stirring driving motor, wherein the input end of the grinding cylinder is arranged corresponding to the external expansion pipe, the spiral stirring rod is rotatably arranged in the grinding cylinder, the spiral stirring blade is fixed on the circumference side of the spiral stirring rod, and the stirring driving motor is fixed on the outer wall of the grinding cylinder and is used for driving the spiral stirring rod to rotate;
the abrasive cylinder is internally provided with an abrasive for removing burrs on the processing spring by friction;
the position communication that just corresponds outside expansion pipe on the abrasive cylinder has feed hopper, and the one end that the abrasive cylinder kept away from feed hopper is provided with the discharge gate, and the position that corresponds the discharge gate is provided with abrasive filtering mechanism.
4. A spring coiling machine for spring processing as in claim 3, wherein: the abrasive filtering mechanism comprises a multi-stage filtering screen unit, each stage of filtering screen unit comprises a bottom fixed frame and a top movable frame movably arranged at the top end of the bottom fixed frame, a turnover filter screen is arranged in the top movable frame, one end of the turnover filter screen is vertically and rotatably connected with the inner wall of one side of the top movable frame, and the bottom of the other end of the turnover filter screen is vertically and rotatably connected with a jacking cylinder fixed on the inner wall of the other side of the top movable frame;
a discharging slope is arranged at the rotary connection position of the top movable frame corresponding to the overturning filter screen, the discharging slope is flush with one end of the overturning filter screen far away from the jacking cylinder, and one end of the overturning filter screen close to the jacking cylinder is inclined downwards;
the mesh size of the turnover filter screen is larger than the outer diameter of the abrasive and smaller than the size of the processing spring.
5. The spring coiling machine for spring processing as in claim 4, wherein: the top of guide bar is fixed to the bottom four corners of top movable frame, and the guide bar bottom has cup jointed vibrating spring with seting up in the perpendicular sliding connection of guide way on the fixed frame top in bottom, stretches out the guide bar in guide way.
6. The spring coiling machine for spring processing as in claim 4, wherein: the bottom fixing frame is communicated with the feeding funnel through a vacuum recovery pipe, and a vacuum pump is arranged in the feeding funnel.
7. A process for producing a spring coiling machine for spring processing according to any of claims 1-6, wherein: the method comprises the following steps:
s1, a metal wire extends from a wire inlet mechanism to a wire coiling mechanism, the metal wire is bent into a processing spring by the aid of the wire coiling mechanism, and the processing spring is sleeved outside an external expansion pipe;
s2, cutting off a metal wire by means of a winding mechanism, enabling a first-stage air cylinder to extend out, pushing an inner conical tube into an outer expansion tube, and expanding the outer expansion tube by utilizing the cooperation between a conical slope and the inner conical tube, so that the outer wall of the outer expansion tube is clung to the inside of a spring, the spring falls into a spiral shaping groove outside the outer expansion tube, after a set time is set, the first-stage air cylinder is contracted to drive the inner conical tube to be pulled out, the outer expansion tube is reset under the action of a compression spring, a movement allowance is reserved between the outer expansion tube and the spring, and then a second-stage air cylinder is contracted to drive the outer expansion tube to move in a direction away from a machine body, and under the action of a stirring rod, a processing spring is pulled down from the outer expansion tube;
s3, the shaped processing spring falls into the grinding cylinder from the feeding hopper, the spiral stirring rod is driven to stir the processing spring and the grinding material positioned in the grinding cylinder under the action of the stirring driving motor, friction is generated between the grinding material and the processing spring, burrs on the end face of the processing spring are removed, and meanwhile the processing spring is output from the discharge hole under the action of the spiral stirring rod;
s4, a processing spring doped with abrasive falls onto a turnover filter screen of a first-stage filter screen unit, the processing spring impacts the turnover filter screen, under the action of impact force and a vibration spring, a top movable frame vibrates, the abrasive is primarily filtered by means of vibration, then a jacking cylinder acts, one end of the turnover filter screen is lifted, the processing spring rolls down to a next filter screen unit along the turnover filter screen and a discharging slope under the action of self gravity, and the actions are repeated until the last-stage filter screen unit conveys the spring into a packing box after the filtration is completed.
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| CN202410018755.8A CN117505728B (en) | 2024-01-05 | 2024-01-05 | Spring coiling machine for spring processing and production process thereof |
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| CN117505728A (en) | 2024-02-06 |
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