Roller-adjustable spring strengthening machine

By designing a roller adjustable spring strengthener, the roller spacing is accurately adjusted by using multiple adjustment mechanisms, which solves the problem of difficult to quickly adjust the roller spacing in the prior art, and improves the efficiency and accuracy of handling springs of different sizes.

CN223061022UActive Publication Date: 2025-07-04QINGDAO SINTO MASCH CO LTD
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Patent Information

Application Number
CN202422283967.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-07-04
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

Existing spring reinforcers have difficulty adjusting the roller spacing quickly to handle springs of different sizes, resulting in high labor intensity.

Method used

A roller adjustable spring reinforcement machine is designed. Through the first adjustment mechanism, the second adjustment mechanism and the third adjustment mechanism, there are 4 roller spacing adjustment mechanisms in total, so as to achieve accurate adjustment of roller spacing, and can handle standard springs such as straight cylinder, shuttle, and conical, as well as banana-shaped, S-shaped and other special-shaped springs.

Benefits of technology

The roller spacing is adjusted with high precision in a short time, reducing labor intensity and improving the efficiency of handling springs of different sizes.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223061022U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of spring strengthening machines, in particular to a roller-adjustable spring strengthening machine which comprises a main machine frame, a roller transmission mechanism, a first adjusting mechanism, a guide carrying-in part, two second adjusting mechanisms, a third adjusting mechanism and two roller assemblies. The roller assembly comprises a carrying-in transmission shaft, a first coupler, a roller, a second coupler and a carrying-out roller shaft. According to the roller way for conveying the spring, the distance between two rollers is adjusted through four roller distance adjusting mechanisms including the first adjusting mechanism, the two second adjusting mechanisms and the third adjusting mechanism, and therefore the roller way is adjusted; by means of the device, straight-barrel-shaped, fusiform, conical and other standard springs and banana-shaped, S-shaped and other special-shaped springs can be processed, in addition, if the size range of the springs needs to be adjusted and processed, the distance between the rollers can be adjusted by two persons within one hour, and the adjusting precision is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of spring strengthening machines, in particular to a roller adjustable spring strengthening machine. Background Art

[0002] When a passenger car suspension spring is produced, it needs to be subjected to shot peening strengthening treatment, which can reduce the residual stress of the spring and improve the service life of the spring.

[0003] At present, the shot peening strengthening treatment of springs is usually completed by a spring strengthening machine. However, the existing spring strengthening machines can only process standard springs such as straight cylindrical, shuttle-shaped, and conical springs. When different sizes of springs need to be processed, it takes more than two people 8 hours to adjust the spacing of the rollers of the spring strengthening machine, resulting in a relatively high labor intensity for the staff. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a roller adjustable spring strengthening machine, which can facilitate the adjustment of the spacing of the rollers of the spring strengthening machine so as to process springs of different sizes.

[0005] To achieve the above purpose, the utility model provides a roller adjustable spring strengthening machine, which comprises a main frame, a roller transmission mechanism, a first adjustment mechanism, a guiding and loading part, two second adjustment mechanisms, a third adjustment mechanism, and two roller assemblies;

[0006] The roller transmission mechanism is arranged on the main frame, the first adjustment mechanism is arranged on the side of the roller transmission mechanism, the guiding and loading part is arranged on the main frame, two second adjustment mechanisms are respectively arranged on the main frame, and the third adjustment mechanism is arranged on the sides of the two rollers; the two roller assemblies are located on both sides of the roller transmission mechanism, and each roller assembly comprises a loading transmission shaft, a first coupling, a roller, a second coupling, and an unloading roller shaft; the loading transmission shaft is arranged on the roller transmission mechanism; the first coupling is fixedly connected to one side of the loading transmission shaft; the roller is fixedly connected to one side of the first coupling; the second coupling is fixedly connected to one side of the roller; the unloading roller shaft is fixedly connected to one side of the second coupling.

[0007] Wherein, the roller transmission mechanism comprises an installation frame, a transmission reduction gear, a driving sprocket, a driven sprocket, a chain, a plurality of idler wheels, two rotating sprockets, and a tension belt;

[0008] The mounting bracket is fixedly connected to the side of the main frame; the transmission reduction gear is fixedly connected to the side of the mounting bracket; the driving sprocket is fixedly connected to the output shaft of the transmission reduction gear and is located on the side of the transmission reduction gear; the driven sprocket is rotatably connected to the mounting bracket and is located on the side of the mounting bracket; the chain is sleeved on the sides of the driving sprocket and the driven sprocket; a plurality of idler wheels are respectively rotatably connected to the mounting bracket and are respectively located on the side of the mounting bracket; two rotating sprockets are respectively fixedly connected to the sides of two carrying transmission shafts; the tensioning belt is sleeved on the sides of the driven sprocket, a plurality of idler wheels and two rotating sprockets.

[0009] Wherein, the first adjustment mechanism includes a first frame, a first guide rail, a first bearing, a first transmission shaft, a first adjusting handwheel, a first flat key, a first position fixer, a first scale and two first adjustment parts; the first frame is fixedly connected to the side of the main frame; the first guide rail is fixedly connected to the inner side of the first frame, the outer ring of the first bearing is fixedly connected to the first frame and is located on the outer side of the first frame; the first transmission shaft is fixedly connected to the inner ring of the first bearing and penetrates through the first bearing; the first adjusting handwheel is fixedly connected to one side of the first transmission shaft; the first flat key is arranged on one side of the first transmission shaft, and the first position fixer is arranged on one side of the first transmission shaft; the first scale is fixedly connected to one side of the first frame, and two first adjustment parts are mirror-symmetrically arranged on both sides of the first frame. The first adjustment part includes a first nut, a first trolley frame, a first guiding wheel and a first pedestal bearing; the first nut is in threaded connection with the first transmission shaft and is located on the outer side of the first transmission shaft; the first trolley frame is fixedly connected to the outer side of the first nut; the first guiding wheel is rotatably connected to the first trolley frame and is located between the first trolley frame and the first guide rail; the first pedestal bearing is fixedly connected to one side of the first trolley frame and is rotatably connected to the carrying transmission shaft.

[0010] Wherein, the guiding and carrying part includes a carrying fork, two side guiding guards and two bottom guiding guards;

[0011] The carrying fork is arranged at the bottom of the first frame; two side guiding guards are respectively fixedly connected to one side of two trolley frames, and two bottom guiding guards are respectively fixedly connected to one side of two trolley frames.

[0012] Among them, the second adjustment mechanism includes a second frame, a second guide rail, a second bearing, a second transmission shaft, a second adjusting handwheel, a second flat key, a second position fixer, a second scale, and two second adjustment parts; the second frame is fixedly connected to the side of the main frame; the second guide rail is fixedly connected to the inner side of the second frame, the outer ring of the second bearing is fixedly connected to the second frame and is located outside the second frame; the second transmission shaft is fixedly connected to the inner ring of the second bearing and penetrates through the second bearing; the second adjusting handwheel is fixedly connected to the side of the second transmission shaft; the second flat key is arranged on the side of the second transmission shaft, and the second position fixer is arranged on the side of the second transmission shaft; the second scale is fixedly connected to the side of the second frame, and the two second adjustment parts are mirror-symmetrically arranged on both sides of the second frame. The second adjustment part includes a second nut, a second trolley frame, a second guide wheel, and a second pedestal bearing; the second nut is threadedly connected to the second transmission shaft and is located outside the second transmission shaft; the second trolley frame is fixedly connected to the outside of the second nut; the second guide wheel is rotatably connected to the second trolley frame and is located between the second trolley frame and the second guide rail; the second pedestal bearing is fixedly connected to the side of the second trolley frame and is rotatably connected to the roller.

[0013] Among them, the third adjustment mechanism includes a third frame, a third guide rail, a third bearing, a third transmission shaft, a third adjusting handwheel, a third flat key, a third position fixer, a third scale, and two third adjustment parts; the third frame is fixedly connected to the side of the main frame; the third guide rail is fixedly connected to the inner side of the third frame, the outer ring of the third bearing is fixedly connected to the third frame and is located outside the third frame; the third transmission shaft is fixedly connected to the inner ring of the third bearing and penetrates through the third bearing; the third adjusting handwheel is fixedly connected to the side of the third transmission shaft; the third flat key is arranged on the side of the third transmission shaft, and the third position fixer is arranged on the side of the third transmission shaft; the third scale is fixedly connected to the side of the third frame, and the two third adjustment parts are mirror-symmetrically arranged on both sides of the third frame. The third adjustment part includes a third nut, a third trolley frame, a third guide wheel, and a third pedestal bearing; the third nut is threadedly connected to the third transmission shaft and is located outside the third transmission shaft; the third trolley frame is fixedly connected to the outside of the third nut; the third guide wheel is rotatably connected to the third trolley frame and is located between the third trolley frame and the third guide rail; the third pedestal bearing is fixedly connected to the side of the third trolley frame and is rotatably connected to the carry-out roller shaft.

[0014] Among them, the third adjustment mechanism further includes two proximity switches, and the two proximity switches are respectively fixedly connected to the sides of the two third trolley frames.

[0015] A roller adjustable spring strengthening machine of the present utility model adjusts the distance between two rollers through a total of 4 roller spacing adjustment mechanisms, namely the first adjustment mechanism, two second adjustment mechanisms, and the third adjustment mechanism, so as to adjust the roller path. This application can process standard springs such as straight cylindrical, shuttle-shaped, and conical springs, as well as special-shaped springs such as banana-shaped and S-shaped springs. In addition, when adjusting the size range of the processed springs, the roller spacing can be adjusted by two people within 1 hour, and the adjustment accuracy is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required in the description of the embodiments or the prior art.

[0017] Figure 1 It is a schematic structural diagram of the whole of the present utility model.

[0018] Figure 2 It is a sectional view taken along A-A of the figure.

[0019] Figure 3 It is Figure 2 A sectional view taken along B-B.

[0020] Figure 4 It is Figure 2 A sectional view taken along C-C.

[0021] Figure 5 It is Figure 2 A sectional view taken along D-D.

[0022] Figure 6 It is Figure 2 A sectional view taken along E-E.

[0023] Figure 7 It is Figure 2 A sectional view taken along F-F.

[0024] Figure 8 It is Figure 2 A sectional view taken along F’-F’.

[0025] Figure 9 It is Figure 2 A sectional view taken along M-M.

[0026] Figure 10 It is Figure 2 A sectional view taken along L-L.

[0027] Figure 11 It is Figure 2 A sectional view taken along H-H.

[0028] Figure 12 It is Figure 11 A sectional view taken along P-P.

[0029] Figure 13 is Figure 11 A sectional view along K-K.

[0030] Figure 14 is a sectional view of the figure along R-R.

[0031] Figure 15 is a sectional view of the figure along Q-Q.

[0032] Figure 16 is Figure 11 An enlarged partial view of detail A

[0033] 1 - Main frame, 2 - Roller drive mechanism, 3 - First adjustment mechanism, 4 - Guiding loading part, 5 - Second adjustment mechanism, 6 - Roller assembly, 8 - Third adjustment mechanism, 21 - Mounting frame, 22 - Transmission speed reducer, 23 - Driving sprocket, 24 - Driven sprocket, 25 - Chain, 26 - Idler wheel, 27 - Rotating sprocket, 28 - Tension belt, 31 - Frame one, 32 - Guide rail one, 33 - Bearing one, 34 - Transmission shaft one, 35 - Adjusting handwheel one, 36 - Flat key one, 37 - Position fixer one, 38 - Scale one, 39 - Adjustment part one, 61 - Loading transmission shaft, 62 - First coupling, 63 - Roller, 64 - Second coupling, 65 - Unloading roller shaft, 391 - Nut one, 392 - Trolley frame one, 393 - Guide wheel one, 394 - Pedestal bearing one, 41 - Transfer fork, 42 - Side guiding guard plate, 43 - Bottom guiding guard plate, 51 - Frame two, 52 - Guide rail two, 53 - Bearing two, 54 - Transmission shaft two, 55 - Adjusting handwheel two, 56 - Flat key two, 57 - Position fixer two, 58 - Scale two, 59 - Adjustment part two, 571 - Bracket, 572 - Pin shaft, 573 - Pulling cap, 574 - Return spring, 591 - Nut two, 592 - Trolley frame two, 593 - Guide wheel two, 594 - Pedestal bearing two, 81 - Frame three, 82 - Guide rail three, 83 - Bearing three, 84 - Transmission shaft three, 85 - Adjusting handwheel three, 86 - Flat key three, 87 - Position fixer three, 88 - Scale three, 89 - Adjustment part three, 810 - Proximity switch, 891 - Nut three, 892 - Trolley frame three, 893 - Guide wheel three, 894 - Pedestal bearing three. Detailed implementation mode

[0034] Please refer to Figures 1 - 16, the utility model provides a roller adjustable spring strengthening machine, which includes a main frame 1, a roller transmission mechanism 2, a first adjustment mechanism 3, a guiding and loading part 4, two second adjustment mechanisms 5, a third adjustment mechanism 8 and two roller 63 assemblies 6; the roller transmission mechanism 2 includes a mounting frame 21, a transmission reduction gear 22, a driving sprocket 23, a driven sprocket 24, a chain 25, a plurality of idler wheels 26, two rotating sprockets 27 and a tension belt 28; the first adjustment mechanism 3 includes a frame one 31, a guide rail one 32, a bearing one 33, a transmission shaft one 34, an adjusting handwheel one 35, a flat key one 36, a position fixer one 37, a scale one 38 and two adjustment parts one 39; the adjustment part one 39 includes a nut one 391, a trolley frame one 392, a guiding wheel one 393 and a pedestal bearing one 394; the guiding and loading part 4 includes a conveying fork 41, two side guiding guards 42 and two bottom guiding guards 43; the second adjustment mechanism 5 includes a frame two 51, a guide rail two 52, a bearing two 53, a transmission shaft two 54, an adjusting handwheel two 55, a flat key two 56, a position fixer two 57, a scale two 58 and two adjustment parts two 59; the adjustment part two 59 includes a nut two 591, a trolley frame two 592, a guiding wheel two 593 and a pedestal bearing two 594; the third adjustment mechanism 8 includes a frame three 81, a guide rail three 82, a bearing three 83, a transmission shaft three 84, an adjusting handwheel three 85, a flat key three 86, a position fixer three 87, a scale three 88, two adjustment parts three 89 and a proximity switch 810; the adjustment part three 89 includes a nut three 891, a trolley frame three 892, a guiding wheel three 893 and a pedestal bearing three 894; the roller 63 assembly 6 includes a loading transmission shaft 61, a first coupling 62, a roller 63, a second coupling 64 and an unloading roller shaft 65; through the foregoing solution.

[0035] For this specific embodiment, the roller drive mechanism 2 is arranged on the main frame 1, the first adjustment mechanism 3 is arranged on the side of the roller drive mechanism 2, the guiding and loading part 4 is arranged on the main frame 1, two second adjustment mechanisms 5 are respectively arranged on the main frame 1, and the third adjustment mechanism 8 is arranged on the sides of two rollers 63; two roller assemblies 6 are located on both sides of the roller drive mechanism 2, and the roller assembly 6 includes a loading transmission shaft 61, a first coupling 62, a roller 63, a second coupling 64 and an unloading roller shaft 65; the loading transmission shaft 61 is arranged on the roller drive mechanism 2; the first coupling 62 is fixedly connected to one side of the loading transmission shaft 61; the roller 63 is fixedly connected to one side of the first coupling 62; the second coupling 64 is fixedly connected to one side of the roller 63; the unloading roller shaft 65 is fixedly connected to one side of the second coupling 64. The roller path for conveying the spring adjusts the distance between two rollers 63 through a total of 4 roller 63 spacing adjustment mechanisms, namely the first adjustment mechanism 3, two second adjustment mechanisms 5, and the third adjustment mechanism 8, so as to adjust the roller path; this application can process standard springs such as straight cylindrical, shuttle-shaped, and conical springs, as well as special-shaped springs such as banana-shaped and S-shaped springs. In addition, when adjusting the size range of the processed springs, the distance between the rollers 63 can be adjusted by two people within 1 hour, and the adjustment accuracy is high.

[0036] Among them, the mounting frame 21 is fixedly connected to the side of the main frame 1; the transmission reduction gear 22 is fixedly connected to the side of the mounting frame 21; the driving sprocket 23 is fixedly connected to the output shaft of the transmission reduction gear 22 and is located on the side of the transmission reduction gear 22; the driven sprocket 24 is rotatably connected to the mounting frame 21 and is located on the side of the mounting frame 21; the chain 25 is sleeved on the sides of the driving sprocket 23 and the driven sprocket 24; multiple idle pulleys 26 are respectively rotatably connected to the mounting frame 21 and are respectively located on the side of the mounting frame 21; two rotating sprockets 27 are respectively fixedly connected to the sides of two loading transmission shafts 61; the tension belt 28 is sleeved on the sides of the driven sprocket 24, multiple idle pulleys 26 and two rotating sprockets 27. Through the multi-idle pulley 26 tensioning mechanism, the tightness of the chain 25 will not change greatly when adjusting the distance between the rollers 63, which greatly improves the convenience when adjusting the distance between the rollers 63.

[0037] Secondly, the first frame 31 is fixedly connected to the side of the main frame 1; the first guide rail 32 is fixedly connected to the inside of the first frame 31, the outer ring of the first bearing 33 is fixedly connected to the first frame 31 and is located outside the first frame 31; the first transmission shaft 34 is fixedly connected to the inner ring of the first bearing 33 and penetrates through the first bearing 33; the first adjusting handwheel 35 is fixedly connected to the side of the first transmission shaft 34; the first flat key 36 is arranged on the side of the first transmission shaft 34, and the first position fixer 37 is arranged on the side of the first transmission shaft 34; the first scale 38 is fixedly connected to the side of the first frame 31, and the two first adjusting parts 39 are arranged in a mirror image on both sides of the first frame 31. The first adjusting part 39 includes a first nut 391, a first trolley frame 392, a first guiding wheel 393 and a first pedestal bearing 394; the first nut 391 is threadedly connected to the first transmission shaft 34 and is located outside the first transmission shaft 34; the first trolley frame 392 is fixedly connected to the outside of the first nut 391; the first guiding wheel 393 is rotatably connected to the first trolley frame 392 and is located between the first trolley frame 392 and the first guide rail 32; the first pedestal bearing 394 is fixedly connected to the side of the first trolley frame 392 and is rotatably connected to the loading transmission shaft 61. Both ends of the first transmission shaft 34 are respectively provided with a left-handed thread and a right-handed thread, and the two first nuts 391 are at both ends of the first transmission shaft 34 with opposite thread directions. The staff pulls up the first position fixer 37 and drives the first transmission shaft 34 with left-handed and right-handed threads to rotate by rotating the first adjusting handwheel 35, so that the first trolley frames 392 with left-handed and right-handed nuts move towards each other on the first guide rail 32. A first scale 38 is arranged on the first frame 31. When the required distance is reached, the first position fixer 37 is pressed to maintain the adjusted distance between the rollers 63. The first guide rail 32 prevents the first trolley frame 392 from having an axial displacement on the driving side, ensuring the stability and safety of the transmission.

[0038] Meanwhile, the conveying fork 41 is arranged at the bottom of the first frame 31; the two side guiding guard plates 42 are respectively fixedly connected to the sides of the two first trolley frames 392, and the two bottom guiding guard plates 43 are respectively fixedly connected to the sides of the two first trolley frames 392. The left-right and downward movement of the spring is restricted by the side guiding guard plates 42 on both sides and the bottom guiding guard plates 43 at the bottom, and it is pushed forward by the conveying fork 41. The conveying fork 41 is a prior art. The side guiding guard plates 42, the two bottom guiding guard plates 43 and the rollers 63 are fixed on the trolley frame, and the position of the trolley frame is adjusted and fixed by using the first transmission shaft 34. In this way, all special-shaped springs jump within the guard plate space, reducing the spring jamming caused by the spring jumping outwards and getting stuck in the conveying fork 41.

[0039] In addition, the second frame 51 is fixedly connected to the side of the main frame 1; the second guide rail 52 is fixedly connected to the inner side of the second frame 51, the outer ring of the second bearing 53 is fixedly connected to the second frame 51 and is located outside the second frame 51; the second transmission shaft 54 is fixedly connected to the inner ring of the second bearing 53 and penetrates through the second bearing 53; the second adjusting handwheel 55 is fixedly connected to the side of the second transmission shaft 54; the second flat key 56 is arranged on the side of the second transmission shaft 54, and the second position fixer 57 is arranged on the side of the second transmission shaft 54; the second scale 58 is fixedly connected to the side of the second frame 51, and the two second adjusting parts 59 are mirror-symmetrically arranged on both sides of the second frame 51. The second adjusting part 59 includes a second nut 591, a second trolley frame 592, a second guide wheel 593 and a second pedestal bearing 594; the second nut 591 is threadedly connected to the second transmission shaft 54 and is located outside the second transmission shaft 54; the second trolley frame 592 is fixedly connected to the outside of the second nut 591; the second guide wheel 593 is rotatably connected to the second trolley frame 592 and is located between the second trolley frame 592 and the second guide rail 52; the second pedestal bearing 594 is fixedly connected to the side of the second trolley frame 592 and is rotatably connected to the roller 63. The two ends of the second transmission shaft 54 are respectively provided with a left-handed thread and a right-handed thread, and the two second nuts 591 are at the two ends of the second transmission shaft 54 with opposite thread directions. The staff pulls up the second position fixer 57 and drives the second transmission shaft 54 with left-handed and right-handed threads to rotate by rotating the second handwheel, so that the second trolley frames 592 with left-handed and right-handed nuts move towards each other on the second guide rail 52. A second scale 58 is arranged on the second frame 51. When the required spacing is reached, the second position fixer 57 is pressed to maintain the adjusted spacing of the rollers 63. The second guide rail 52 prevents the second trolley frame 592 from having an axial displacement on the driving side, ensuring the stability and safety of the transmission.

[0040] Specifically, the third frame 81 is fixedly connected to the side of the main frame 1; the third guide rail 82 is fixedly connected to the inner side of the third frame 81, the outer ring of the third bearing 83 is fixedly connected to the third frame 81 and is located outside the third frame 81; the third transmission shaft 84 is fixedly connected to the inner ring of the third bearing 83 and penetrates through the third bearing 83; the third adjusting handwheel 85 is fixedly connected to the side of the third transmission shaft 84; the third flat key 86 is arranged on the side of the third transmission shaft 84, and the position fixer 87 is arranged on the side of the third transmission shaft 84; the scale 88 is fixedly connected to the side of the third frame 81, and the two adjusting parts 89 are arranged mirror-symmetrically on both sides of the third frame 81. The adjusting part 89 includes a nut 891, a trolley frame 892, a guiding wheel 893 and a pedestal bearing 894; the nut 891 is threadedly connected to the third transmission shaft 84 and is located outside the third transmission shaft 84; the trolley frame 892 is fixedly connected to the outside of the nut 891; the guiding wheel 893 is rotatably connected to the trolley frame 892 and is located between the trolley frame 892 and the third guide rail 82. The two proximity switches 810 are respectively fixedly connected to the sides of the two trolley frames 892; the pedestal bearing 894 is fixedly connected to the side of the trolley frame 892 and is rotatably connected to the discharging roller shaft 65. The two ends of the third transmission shaft 84 are respectively provided with left-handed threads and right-handed threads. The two nuts 891 are at the two ends of the third transmission shaft 84 with opposite thread directions. The staff pulls up the position fixer 87 and drives the third transmission shaft 84 with left-handed and right-handed threads to rotate by rotating the third handwheel, so that the trolley frames 892 with left-handed and right-handed nuts move towards each other on the third guide rail 82. A scale 88 is arranged on the third frame 81. When the required spacing is reached, the position fixer 87 is pressed to maintain the adjusted spacing of the rollers 63. The third guide rail 82 prevents the trolley frame 892 from having axial displacement on the driving side, ensuring the stability and safety of the transmission. The proximity switches 810 are used to detect whether the rollers 63 rotate normally.

[0041] Finally, the position fixer II 57 includes a bracket 371, a pin shaft 572, a pull cap 573 and a return spring 574; the bracket 371 is fixed on the adjusting handwheel I 35, the pin shaft 572 is slidably connected to the bracket 371 and is located inside the bracket 371; the pull cap 573 is fixedly connected to the side of the pin shaft 572; the return spring 574 is fixedly connected to the bracket 371 and the pin shaft 572 respectively; a plurality of fixing holes are arranged on the frame II 51. When adjustment is needed, the pull cap 573 is dragged backward, and the pin shaft 572 follows the pull cap 573 to disengage from the fixing hole. The adjusting handwheel I 35 is rotated to adjust the distance between the rollers 63. After adjusting to the required distance, it is rotated to the nearest fixing hole, and the pull cap 573 is released. The pin shaft 572 will enter the fixing hole, and the adjusting handwheel I 35 is fixed. The structures and working principles of the position fixer I 37, the position fixer II 57, and the position fixer III 87 are the same.

[0042] When using the present utility model, the staff pulls up the position fixer I 37, and by rotating the adjusting handwheel I 35, drives the transmission shaft I 34 with left-handed and right-handed threads to rotate, so that the trolley frame I 392 with left-handed and right-handed nuts moves towards each other on the guide rail I 32. A scale I 38 is provided on the frame I 31. When the required distance is reached, the position fixer I 37 is pressed to maintain the adjusted distance between the rollers 63; the roller path of the conveying spring adjusts the distance between the two rollers 63 through a total of 4 roller spacing adjustment mechanisms including the first adjustment mechanism 3, the two second adjustment mechanisms 5, and the third adjustment mechanism 8, so as to adjust the roller path; the transmission reduction gear 22 transmits power to the loading transmission shaft 61 through the driving sprocket 23, the chain 25, the driven sprocket 24, and the rotating sprocket 27. The loading transmission shaft 61 drives the first coupling 62, the roller 63, the second coupling 64, and the unloading roller shaft 65 to rotate in sequence. This application can process standard springs such as straight cylindrical, shuttle-shaped, and conical springs, as well as special-shaped springs such as banana-shaped and S-shaped springs. In addition, when adjusting the size range of the processed springs, the distance between the rollers 63 can be adjusted by two people within 1 hour, and the adjustment accuracy is high.

[0043] The above-disclosed are only one or more preferred embodiments of the present application, and the scope of rights of the present application cannot be limited thereby. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A roller adjustable spring strengthening machine, characterized in that it includes a main frame, a roller transmission mechanism, a first adjustment mechanism, a guiding loading part, two second adjustment mechanisms, a third adjustment mechanism and two roller assemblies; The roller transmission mechanism is arranged on the main frame, the first adjustment mechanism is arranged on the side of the roller transmission mechanism, the guiding loading part is arranged on the main frame, two second adjustment mechanisms are respectively arranged on the main frame, and the third adjustment mechanism is arranged on the sides of the two rollers; The two roller assemblies are located on both sides of the roller transmission mechanism. The roller assembly includes a loading transmission shaft, a first coupling, a roller, a second coupling and an unloading roller shaft; The loading transmission shaft is arranged on the roller transmission mechanism; The first coupling is fixedly connected to one side of the loading transmission shaft; The roller is fixedly connected to one side of the first coupling; The second coupling is fixedly connected to one side of the roller; The unloading roller shaft is fixedly connected to one side of the second coupling.

2. The roller adjustable spring strengthening machine according to claim 1, characterized in that the roller transmission mechanism includes a mounting frame, a transmission reduction gear, a driving sprocket, a driven sprocket, a chain, a plurality of idler wheels, two rotating sprockets and a tension belt; The mounting frame is fixedly connected to the side of the main frame; The transmission reduction gear is fixedly connected to the side of the mounting frame; The driving sprocket is fixedly connected to the output shaft of the transmission reduction gear and is located on the side of the transmission reduction gear; The driven sprocket is rotatably connected to the mounting frame and is located on the side of the mounting frame; The chain is sleeved on the sides of the driving sprocket and the driven sprocket; A plurality of the idler wheels are respectively rotatably connected to the mounting frame and are respectively located on the side of the mounting frame; Two rotating sprockets are respectively fixedly connected to the sides of the two loading transmission shafts; The tension belt is sleeved on the sides of the driven sprocket, a plurality of the idler wheels and two rotating sprockets.

3. The roller adjustable spring strengthening machine according to claim 2, characterized in that the first adjustment mechanism includes a frame one, a guide rail one, a bearing one, a transmission shaft one, an adjusting handwheel one, a flat key one, a position fixer one, a scale one and two adjustment parts one; The first frame is fixedly connected to the side of the main frame; the first guide rail is fixedly connected to the inner side of the first frame, the outer ring of the first bearing is fixedly connected to the first frame and is located outside the first frame; the first transmission shaft is fixedly connected to the inner ring of the first bearing and penetrates through the first bearing; the first adjusting handwheel is fixedly connected to the side of the first transmission shaft; the first flat key is arranged on the side of the first transmission shaft, and the first position fixer is arranged on the side of the first transmission shaft; the first scale is fixedly connected to the side of the first frame, and the two first adjusting parts are mirror-symmetrically arranged on both sides of the first frame. The first adjusting part includes a first nut, a first trolley frame, a first guiding wheel and a first pedestal bearing; the first nut is in threaded connection with the first transmission shaft and is located outside the first transmission shaft; the first trolley frame is fixedly connected to the outside of the first nut; the first guiding wheel is rotatably connected to the first trolley frame and is located between the first trolley frame and the first guide rail; the first pedestal bearing is fixedly connected to the side of the first trolley frame and is rotatably connected to the incoming transmission shaft.

4. The adjustable roller spring strengthening machine according to claim 3, wherein The guiding and incoming part includes a conveying fork, two side guiding guards and two bottom guiding guards; The conveying fork is arranged at the bottom of the first frame; the two side guiding guards are respectively fixedly connected to the sides of the two trolley frames, and the two bottom guiding guards are respectively fixedly connected to the sides of the two trolley frames.

5. The adjustable roller spring strengthening machine according to claim 4, wherein The second adjusting mechanism includes a second frame, a second guide rail, a second bearing, a second transmission shaft, a second adjusting handwheel, a second flat key, a second position fixer, a second scale and two second adjusting parts; The second frame is fixedly connected to the side of the main frame; the second guide rail is fixedly connected to the inner side of the second frame, the outer ring of the second bearing is fixedly connected to the second frame and is located outside the second frame; the second transmission shaft is fixedly connected to the inner ring of the second bearing and penetrates through the second bearing; the second adjusting handwheel is fixedly connected to the side of the second transmission shaft; the second flat key is arranged on the side of the second transmission shaft, and the second position fixer is arranged on the side of the second transmission shaft; the second scale is fixedly connected to the side of the second frame, and the two second adjusting parts are mirror-symmetrically arranged on both sides of the second frame. The second adjusting part includes a second nut, a second trolley frame, a second guiding wheel and a second pedestal bearing; the second nut is in threaded connection with the second transmission shaft and is located outside the second transmission shaft; the second trolley frame is fixedly connected to the outside of the second nut; the second guiding wheel is rotatably connected to the second trolley frame and is located between the second trolley frame and the second guide rail; the second pedestal bearing is fixedly connected to the side of the second trolley frame and is rotatably connected to the roller.

6. The adjustable roller spring strengthening machine according to claim 5, wherein The third adjusting mechanism includes a third frame, a third guide rail, a third bearing, a third transmission shaft, a third adjusting handwheel, a third flat key, a third position fixer, a third scale and two third adjusting parts; The third frame is fixedly connected to the side of the main frame; the third guide rail is fixedly connected to the inner side of the third frame, the outer ring of the third bearing is fixedly connected to the third frame and is located outside the third frame; the third transmission shaft is fixedly connected to the inner ring of the third bearing and penetrates through the third bearing; the third adjusting handwheel is fixedly connected to the side of the third transmission shaft; the third flat key is arranged on the side of the third transmission shaft, and the third position fixer is arranged on the side of the third transmission shaft; the third scale is fixedly connected to the side of the third frame, and two of the third adjusting parts are arranged mirror-symmetrically on both sides of the third frame. The third adjusting part includes a third nut, a third trolley frame, a third guiding wheel and a third pedestal bearing; the third nut is in threaded connection with the third transmission shaft and is located outside the third transmission shaft; the third trolley frame is fixedly connected to the outside of the third nut; the third guiding wheel is rotatably connected to the third trolley frame and is located between the third trolley frame and the third guide rail; the third pedestal bearing is fixedly connected to the side of the third trolley frame and is rotatably connected to the discharging roller shaft.

7. The adjustable roller spring strengthening machine according to claim 6, wherein The third adjusting mechanism further includes two proximity switches, and the two proximity switches are respectively fixedly connected to the sides of the two third trolley frames.