CN115011776B - Spring strong-pressure treatment process - Google Patents
Spring strong-pressure treatment process Download PDFInfo
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- CN115011776B CN115011776B CN202210577282.6A CN202210577282A CN115011776B CN 115011776 B CN115011776 B CN 115011776B CN 202210577282 A CN202210577282 A CN 202210577282A CN 115011776 B CN115011776 B CN 115011776B
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- spring
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- door frame
- heating
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 49
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 238000007906 compression Methods 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 230000006698 induction Effects 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 14
- 244000309464 bull Species 0.000 claims description 10
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 239000010431 corundum Substances 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The application relates to the field of spring processing, in particular to a spring forced compression processing technology, which comprises the steps of firstly fixing a spring by forced compression equipment, and then sending the spring to heating equipment to heat the spring; after the spring is heated to the treatment temperature, the spring is pressurized by the strong pressure equipment and kept for 1-3 h; removing the spring from the heating device, and placing the spring into a cooling box for cooling; the strong pressing equipment releases the fixation of the spring, and the spring after the treatment is fed, so that the spring is heated first and then pressurized, and the unrecoverable damage such as cracks and the like is not easy to occur in the process of strong pressing of the spring, and the quality of the spring after strong pressing is not easy to be influenced greatly.
Description
Technical Field
The application relates to the field of spring processing treatment, in particular to a spring forced compression treatment process.
Background
After the compression spring is manufactured and formed, the spring is generally subjected to a thermal and strong compression treatment, i.e., a treatment for maintaining a certain compression load on the spring at a temperature higher than the working temperature of the spring, in order to increase the strength of the spring and achieve the purpose of removing the stress.
In the existing process of thermally and strongly pressing the spring, the spring is generally pressed, then heated, cooled after being kept for a certain time, and then the pressure applied to the spring is relieved to perform blanking.
For the related art, since the residual stress of the spring is more after the spring is manufactured and molded, cracks are easy to occur in the process of compressing the spring, and the defect that the quality of the spring after being compressed is easy to be greatly influenced exists.
Disclosure of Invention
In order to reduce the influence on the quality of the spring after strong compression, the application provides a spring strong compression treatment process.
The spring forced-compression treatment process provided by the application adopts the following technical scheme.
A spring forced compression treatment process specifically comprises the following steps.
Step 1, fixing a spring by using strong pressing equipment, and then sending the spring into heating equipment to heat the spring;
step 2, after the spring is heated to the treatment temperature, the spring is pressurized by the strong pressure equipment and kept for 1-3 h;
Step 3, removing the spring from the heating equipment, and putting the spring into a cooling box for cooling;
And 4, releasing the fixation of the spring by the strong pressing equipment, and blanking the treated spring.
Through adopting above-mentioned technical scheme, heat the spring earlier until the temperature exceeds the operating temperature of spring, then carry out the strong pressure with the spring for the spring is at the in-process of strong pressure, and the fracture is difficult for appearing in the spring, helps reducing the spring quality after strong pressure the influence that receives.
Optionally, the forced equipment includes the underframe platform, locates the movable mast that the heating equipment moved on the underframe platform and towards, locate the installation department of movable mast, locate the installation department and supply the several fixed block that spring one end stretched into, locate the fixed block and carry out fixed in position to spring one end face the solid device, fixed connection in the underframe platform and be located the fixed mast of heating equipment keep away from movable mast one side, locate fixed mast and butt in the fixed piece that supports of spring keep away from fixed block one end.
Through adopting above-mentioned technical scheme, every spring corresponds a fixed block and places, then faces solid device and fixes the spring, then moves the portal and drive the spring and remove towards firing equipment, after the spring heats to certain temperature in firing equipment, moves the portal and continues to move towards deciding to support the piece for the spring is compressed by fixed block and decides to support the cooperation of piece, in order to reach the effect of spring strong pressure.
Optionally, the temporary fixing device comprises a backward moving block arranged in the fixed block, two inner supporting rods which are connected with the backward moving block in a sliding way and are abutted against the inner wall of the spring, two middle rods hinged with the two inner supporting rods in a one-to-one correspondence way, a motor rod which is connected with the backward moving block in a hinged way and is hinged with the two middle rods, and a temporary fixing motor which is arranged on the backward moving block and drives the motor rod to rotate so that the two inner supporting rods move in opposite directions.
Through adopting above-mentioned technical scheme, face solid motor drive motor pole and rotate for two middle poles carry out corresponding removal, make two interior butt poles keep away from mutually, make two interior butt poles can the butt in the inner wall of spring, in order to reach the position of restriction spring in the fixed block, make the position of every spring in the fixed block keep unanimous relatively good, so that the spring can get into in the well heating equipment smoothly.
Optionally, the heating device includes a heating portal fixedly connected to the chassis table, and a plurality of induction coils detachably connected to the heating portal and capable of performing induction heating on the spring.
Through adopting above-mentioned technical scheme to induction heating's mode heats the spring, and is comparatively convenient, also difficult production pollution.
Optionally, the back moving block is slidably connected to the fixed block, and the installation portion is provided with a back moving block cylinder for driving the back moving block to move along a direction far away from the heating device.
Through adopting above-mentioned technical scheme for after the spring both ends butt respectively in fixed block and decide the piece, two interior butt poles no longer butt in the inner wall of spring, then the back moves the piece cylinder and drives the back and move the piece and keep away from the spring, make interior butt pole one end no longer be located the spring, make the spring receive the in-process of heating again in the butt pole be difficult for by synchronous heating, make interior butt pole tip more fragile, help promoting the life of interior butt pole.
Optionally, one ends of the fixing block and the abutting block, which are close to each other, extend into the induction coil.
Through adopting above-mentioned technical scheme for before carrying out the strong pressure to the spring, because fixed block all is located induction coil with deciding the piece, make the spring wholly all be located induction coil, make the spring wholly homoenergetic by better heating, make when the spring is strong to press, the compression volume of department and both ends department is comparatively unanimous in the middle of the spring, make the compression volume of department in the middle of the spring be difficult for too big, the compression volume of spring both ends department is difficult for too little, promote the holistic strong pressure quality of spring, also make the spring both ends be in when carrying out strong pressure, be difficult for appearing great damage.
Optionally, the fixing block and the abutting block are made of any one of silicon carbide, boron nitride and corundum ceramics.
Through adopting above-mentioned technical scheme for the fixed block with decide to support the piece after stretching into induction coil in, also can not receive induction heating, make the fixed block with decide to support the close one end of piece be difficult for by long-term reciprocal heating, make the fixed block with decide to support the life of piece and can obtain certain promotion.
Optionally, the cooling tank is arranged between the heating equipment and the movable door frame, the installation part is rotationally connected to the movable door frame, and the movable door frame is provided with a rotating rod motor for driving the installation part to rotate from a state facing the heating equipment to a state facing the upper opening of the cooling tank.
Through adopting above-mentioned technical scheme, after the strong pressure of spring is accomplished, the portal of moving moves to cooling tank department, then bull stick motor drive installation department rotates for in the spring got into cooling tank upper portion, make the coolant in the spring contact cooling tank cool off.
Optionally, the installation department is including rotating two bull sticks of connecting in moving the portal, sliding connection stretches the pole under in the bull stick inner wall, rotate and connect in the bull stick and threaded connection stretches the screw rod under in stretching the pole, locate the bull stick and drive down stretching screw rod pivoted screw motor, fixed connection stretches the pole board that just supplies whole fixed block fixed connection under in two.
Through adopting above-mentioned technical scheme for when the cooling goes on, screw rod motor drives down and stretches the screw rod rotation, makes down stretch the pole and moves down and drive the spring and move, makes the whole coolant that gets into in the cooler bin of spring carry out comparatively comprehensive submergence cooling.
Optionally, the cooling box is kept away from the one side department of firing equipment and is equipped with the spring flitch, and the flitch upper surface has seted up the flitch hole that the several supply spring put into, and every flitch hole all aligns in a fixed block.
Through adopting above-mentioned technical scheme for when carrying out the material loading and the unloading of spring, the fixed block homoenergetic is better aligns in the flitch hole in order to drive the spring and remove or to put down the spring, makes whole spring carry out the process of forcing more convenient, and is more efficient.
In summary, the present application includes at least one of the following beneficial effects:
1. Heating the spring until the temperature exceeds the working temperature of the spring, and then, strongly pressing the spring, so that the spring is not easy to crack in the strong pressing process, and the influence on the quality of the spring after strong pressing is reduced;
2. the compression amount at the middle of the spring is not easy to be too large, the compression amount at the two ends of the spring is not easy to be too small, the overall strong compression quality of the spring is improved, and the two ends of the spring are not easy to be damaged greatly when being in strong compression.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present application;
FIG. 2 is an overall illustration of the mounting portion with the rotating lever partially cut away and a stationary block partially cut away;
fig. 3 is an enlarged view at a in fig. 2.
Reference numerals illustrate: 1. a strong pressing device; 2. a heating device; 3. a cooling box; 31. a pole plate; 32. a spring material plate; 33. a material plate hole; 34. a rotating rod motor; 35. a motor gear; 36. a rotating lever gear; 37. a block hole; 38. a slideway; 39. a connecting block; 4. a chassis; 41. a temporary fixation motor; 42. a block-moving cylinder; 43. heating a door frame; 44. an induction coil; 46. a rotating rod; 47. a lower extension rod; 48. a downward extending screw rod; 49. a screw motor; 5. a movable door frame; 51. a mounting part; 52. a fixed block; 53. a temporary fixation device; 54. a fixed door frame; 55. a fixed abutting block; 56. moving the block backwards; 57. an inner abutment; 58. an intermediate lever; 59. a motor rod.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
The embodiment of the application discloses a spring forced compression treatment process, which specifically comprises the following steps of.
And step1, fixing the spring by using a strong pressing device 1, and then sending the spring into a heating device 2 to heat the spring.
And 2, after the spring is heated to the treatment temperature, the spring is pressurized by the strong pressure equipment 1 and kept for 1-3 h.
Step 3, the spring is removed from the heating device 2 and placed into a cooling box 3 for cooling.
And 4, releasing the fixation of the spring by the strong pressing equipment 1, and blanking the treated spring.
Referring to fig. 1 and 2, the strong-pressure device 1 includes a chassis table 4 fixedly connected to the ground, where the chassis table 4 may be two i-steel guide rails, and the chassis table 4 is slidably connected with a moving gantry 5 along its length direction, where the moving gantry 5 is a door, and the length direction of a horizontal section of the moving gantry 5 is consistent with the width direction of the chassis table 4, and the bottoms of two vertical sections of the moving gantry 5 may be provided with corresponding pulleys and motors (not shown in the figure) to enable the moving gantry 5 to perform active movement. The spring material plate 32 which is horizontal is placed on the horizontal upper surface of the chassis table 4, a plurality of material plate holes 33 are evenly formed in the upper surface of the spring material plate 32, the material plate holes 33 are vertical, a vertical spring is placed in each material plate hole 33, the depth of each material plate hole 33 is larger than one third of the length of the spring, and the diameter of each material plate hole 33 is larger than the maximum outer diameter of the spring, so that the springs can be placed. The horizontal section of the movable door frame 5 is rotatably connected with an installation part 51, and the rotation axis direction of the installation part 51 is consistent with the width direction of the underframe table 4.
Referring to fig. 2, the mounting portion 51 includes two rotating rods 46 rotatably connected to the horizontal section of the moving gantry 5, the length direction of the rotating rods 46 is perpendicular to the length direction of the horizontal section of the moving gantry 5, the horizontal section of the moving gantry 5 is fixedly connected with a rotating rod motor 34, an output shaft of the rotating rod motor 34 is coaxially and fixedly connected with a motor gear 35, the motor gear 35 is meshed with a rotating rod gear 36 fixedly connected to the rotating rod 46, and the axis of the rotating rod gear 36 is identical to the axis of rotation of the rotating rod 46. One end of each of the two rotating rods 46 far away from the horizontal section of the movable door frame 5 is slidably connected with a lower extending rod 47, the length direction of the lower extending rod 47 is consistent with the length direction of the rotating rod 46, and the lower extending rod 47 is slidably connected inside the rotating rod 46 along the length direction of the lower extending rod. The inside fixedly connected with screw rod motor 49 of bull stick 46, screw rod motor 49 output shaft coaxial fixedly connected with down-extending screw rod 48, down-extending screw rod 48 threaded connection is in down-extending rod 47. One end of the two lower extension rods 47, which is far away from the rotating rod 46, is fixedly connected with the same rod plate 31, and the rod plate 31 is perpendicular to the length direction of the lower extension rods 47. The side of the pole plate 31 facing away from the lower extension pole 47 is uniformly and fixedly connected with a plurality of fixing blocks 52, each fixing block 52 corresponds to one material plate hole 33, the fixing blocks 52 are cylindrical, and the fixing blocks 52 are provided with a temporary fixing device 53 for fixing the position of one end of the spring.
The spring material plate 32 with the springs placed in the material plate holes 33 is moved to a preset position between the two guide rails of the underframe table 4, at this time, the lower extension rod 47 is vertical, the screw motor 49 is communicated with an external power supply, the lower extension screw 48 is rotated, the lower extension rod 47 is vertically moved downwards, each fixing block 52 is moved towards a corresponding spring, the temporary fixing device 53 can fix the end part of the spring, then the lower extension rod 47 is moved upwards again, the rotating rod motor 34 is communicated with the external power supply to enable the rotating rod 46 to rotate until the lower extension rod 47 is horizontal, and then the movable door frame 5 is moved so that the springs are driven into the heating equipment 2.
Referring to fig. 2 and 3, the end surface of the fixing block 52 facing away from the lever plate 31 is coaxially provided with a block hole 37 for the end of the spring to enter, the diameter of the block hole 37 is larger than the maximum outer diameter of the spring, and the inner diameter of the block hole 37 is slightly larger than the inner diameter of the material plate hole 33, so that the upper end of the spring positioned in the material plate hole 33 can stably enter the block hole 37. The temporary fixing device 53 comprises a back moving block 56 mounted on the fixed block 52, the back moving block 56 is slidably connected with two inner supporting rods 57, the inner supporting rods 57 can be exposed at one side of the back moving block 56 facing the block hole 37, and one end of each inner supporting rod 57 can enter the block hole 37. The two middle rods 58 are hinged to the adjacent side of the two inner supporting rods 57, one end of each middle rod 58 is hinged to the same motor rod 59, the axis of each motor rod 59 is identical to that of each fixed block 52, the rotation axis directions of the two ends of each middle rod 58 are identical to that of each motor rod 59, the two middle rods 58 are arranged in a central symmetry mode around the axis of each motor rod 59, the side face, deviating from the block hole 37, of each rear moving block 56 is fixedly connected with a temporary fixing motor 41, and the output shaft of each temporary fixing motor 41 is coaxially and fixedly connected to each motor rod 59.
When the fixed block 52 moves downwards, the upper end of the spring enters the block hole 37, the temporary fixing motor 41 is communicated with an external power supply, the motor rod 59 rotates, the two middle rods 58 move, the two inner supporting rods 57 are far away, and the opposite sides of the two inner supporting rods 57 are abutted against the inner wall side of the corresponding spring, so that the position fixing of one end of the spring is realized.
Referring to fig. 1, the heating apparatus 2 includes a heating gantry 43 fixedly connected to the chassis table 4, and the heating gantry 43 is uniformly and detachably connected with a plurality of induction coils 44, each induction coil 44 is connected to a corresponding external ac power source, and a spring can be provided in each induction coil 44 to perform induction heating on the spring. The insulating treatment is performed at the position where the induction coil 44 is provided to the heating gantry 43, so that the heating gantry 43 is not easily electrified. The strong pressing device 1 further comprises a fixed door frame 54 fixedly connected to one side, far away from the movable door frame 5, of the heating door frame 43, a plurality of fixed abutting blocks 55 are fixedly connected to the horizontal section of the fixed door frame 54, the fixed abutting blocks 55 are cylindrical, the diameters of the fixed abutting blocks 55 and the fixed blocks 52 are smaller than the inner diameter of the induction coil 44, one end, far away from the fixed door frame 54, of each fixed abutting block 55 can be located in one corresponding end of the induction coil 44, the end of each fixed block 52 can also enter one end of the induction coil 44, the length of the induction coil 44 is longer than that of a spring, and when the two ends of the spring are just abutted against the fixed abutting blocks 55 and the fixed blocks 52, the whole spring is located in the induction coil 44, so that the whole spring can be heated comprehensively. The fixed block 52 and the abutting block 55 may be made of any one of silicon carbide, boron nitride, and corundum ceramics, so that the fixed block 52 and the abutting block 55 are not easily heated by the induction coil 44.
Referring to fig. 3, the inner end surface of the block hole 37 is provided with a slide way 38, the length direction of the slide way 38 is consistent with the axial direction of the fixed block 52, the inner diameter of the spring is large enough to ensure that the spring is not easy to enter the slide way 38, the backward moving block 56 is slidably connected to the inner wall of the slide way 38 along the length direction of the slide way 38, the side surface of the rod plate 31, which is away from the fixed block 52, is fixedly connected with a backward moving block cylinder 42, a power rod of the backward moving block cylinder 42 is fixedly connected with a plurality of connecting blocks 39, each connecting block 39 is in a door shape, and two ends of the connecting block 39, which are oriented to the backward moving block 56, are fixedly connected with the backward moving block 56. When the spring is fixed by the abutting connection between the fixed abutting block 55 and the fixed block 52, the temporary fixing motor 41 is communicated with an external power supply, so that the two inner abutting rods 57 are close to each other, the inner abutting rods 57 are not abutted against the inner wall of the spring any more, and then the backward moving block cylinder 42 drives the backward moving block 56 to be far away from the fixed abutting block 55 until the inner abutting rods 57 are not located in the induction coil 44 any more, so that the inner abutting rods 57 are not easy to heat.
Referring to fig. 1, the cooling tank 3 is located at a side of the heating gantry 43 toward the moving gantry 5, and cooling oil or cooling water may be placed in the cooling tank 3 according to the quality of the spring. After the spring is forced for a certain period of time, the induction coil 44 stops working, then the movable door frame 5 is firstly far away from the heating door frame 43, so that the spring length is equal to or slightly smaller than the natural length, then the backward block cylinder 42 drives the backward block 56 to move towards the fixed block 55, so that the inner supporting rod 57 enters the spring again, then the temporary fixation motor 41 works, so that the inner supporting rod 57 abuts against the inner wall side of the spring to realize the position fixation of one end of the spring, then the movable door frame 5 is far away from the heating door frame 43 until the movable door frame 5 moves to the position right above the cooling box 3, meanwhile, the screw motor 49 works, so that the downward extending rod 47 is retracted into the rotating rod 46, then the rotating rod motor 34 works, so that the rotating rod 46 rotates to a vertical state, and then the screw motor 49 works, so that the downward extending rod 47 moves downward to completely submerge the spring into the cooling agent in the cooling box 3.
After cooling is completed, the screw motor 49 works to enable the lower extension rod 47 to move upwards again, then the movable door frame 5 is far away from the heating door frame 43 and moves to the position right above the cooling box 3, the screw motor 49 works again to enable the lower extension rod 47 to move downwards again to enable the bottom end of a spring to be placed into the material plate hole 33, then the temporary fixation motor 41 works to enable the inner support rod 57 to be not abutted against the inner wall of the spring any more, then the screw motor 49 works to enable the lower extension rod 47 to move upwards, the upper end of the spring at the moment is not located in the block hole 37 any more, then the spring material plate 32 is removed, and the spring is subjected to next working procedure.
The implementation principle of the spring forced compression treatment process of the embodiment of the application is as follows: the spring is heated firstly and then is forced, so that the spring is not easy to have larger quality problem in the forced compression process.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
1. A spring forced compression treatment process is characterized in that: the method specifically comprises the following steps:
Step 1, fixing a spring by using a strong pressing device (1), and then sending the spring into a heating device (2) to heat the spring;
Step 2, after the spring is heated to the treatment temperature, the spring is pressurized by the strong pressure equipment (1) and kept for 1-3 h;
step 3, removing the spring from the heating equipment (2), and putting the spring into a cooling box (3) for cooling;
Step 4, the fixation of the spring is released by the strong pressing equipment (1), and the spring after the treatment is discharged;
The forced compression equipment (1) comprises a chassis table (4), a movable door frame (5) which is arranged on the chassis table (4) and moves towards the heating equipment (2), an installation part (51) which is arranged on the movable door frame (5), a plurality of fixed blocks (52) which are arranged on the installation part (51) and are provided with one ends of springs to extend in, a temporary fixing device (53) which is arranged on the fixed blocks (52) and is used for fixing one ends of the springs in position, a fixed door frame (54) which is fixedly connected to the chassis table (4) and is positioned on one side, far away from the movable door frame (5), of the heating equipment (2), and a fixed abutting block (55) which is arranged on the fixed door frame (54) and is abutted against one end, far away from the fixed blocks (52), of the springs;
The temporary fixing device (53) comprises a backward moving block (56) arranged in the fixed block (52), two inner supporting rods (57) which are connected with the backward moving block (56) in a sliding manner and are abutted against the inner wall of the spring, two middle rods (58) hinged with the two inner supporting rods (57) in a one-to-one correspondence manner, a motor rod (59) which is connected with the backward moving block (56) in a rotating manner and is hinged with the two middle rods (58), and a temporary fixing motor (41) which is arranged on the backward moving block (56) and drives the motor rod (59) to rotate so that the two inner supporting rods (57) move in opposite directions;
the heating equipment (2) comprises a heating portal (43) fixedly connected to the underframe table (4) and a plurality of induction coils (44) which are detachably connected to the heating portal (43) and can perform induction heating on the springs;
The cooling box (3) is arranged between the heating equipment (2) and the movable door frame (5), the installation part (51) is rotatably connected to the movable door frame (5), and the movable door frame (5) is provided with a rotating rod motor (34) which drives the installation part (51) to rotate from a state facing the heating equipment (2) to a state facing an upper opening of the cooling box (3);
The installation department (51) including rotate connect in two bull sticks (46) of moving portal (5), sliding connection in lower extension rod (47) of bull stick (46) inner wall, rotate connect in bull stick (46) and threaded connection in lower extension rod (47) reach screw rod (48), locate bull stick (46) and drive down extension screw rod (48) pivoted screw rod motor (49), fixed connection in two lower extension rods (47) and confession all fixed block (52) fixed connection's pole board (31).
2. The spring force treatment process according to claim 1, wherein: the backward moving block (56) is slidably connected to the fixed block (52), and the mounting part (51) is provided with a backward moving block cylinder (42) for driving the backward moving block (56) to move along a direction far away from the heating equipment (2).
3. The spring force treatment process according to claim 1, wherein: the close ends of the fixed block (52) and the fixed block (55) extend into the induction coil (44).
4. A spring force treatment process according to claim 3, wherein: the fixing block (52) and the abutting block (55) are made of any one of silicon carbide, boron nitride and corundum ceramics.
5. The spring force treatment process according to claim 1, wherein: one side of the cooling box (3) far away from the heating equipment (2) is provided with a spring material plate (32), the upper surface of the spring material plate (32) is provided with a plurality of material plate holes (33) for placing the spring, and each material plate hole (33) is aligned with one fixed block (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210577282.6A CN115011776B (en) | 2022-05-25 | 2022-05-25 | Spring strong-pressure treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210577282.6A CN115011776B (en) | 2022-05-25 | 2022-05-25 | Spring strong-pressure treatment process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115011776A CN115011776A (en) | 2022-09-06 |
| CN115011776B true CN115011776B (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210577282.6A Active CN115011776B (en) | 2022-05-25 | 2022-05-25 | Spring strong-pressure treatment process |
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| CN (1) | CN115011776B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN115011776A (en) | 2022-09-06 |
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