A shot blasting machine for spring machining

Abstract

This application discloses a shot blasting machine for spring processing, including a shot blasting body; the shot blasting body includes a cuboid shot blasting chamber and a shot blaster disposed on the top of the shot blasting chamber; it also includes a pair of spring support rotating devices respectively disposed on both sides of the shot blasting chamber; the spring support rotating device includes a horizontally movable infeed / outfeed bracket, a horizontal drive mechanism for driving the infeed / outfeed bracket to move horizontally, and a spring support mechanism disposed on the infeed / outfeed bracket; the spring support mechanism includes a pair of cylindrical spring support rods and a support rod rotation drive assembly for driving the pair of spring support rods to rotate in the same direction; the pair of spring support rods are arranged parallel to each other and located on the same horizontal plane; horizontally penetrating infeed / outfeed holes are respectively formed on the side walls of the shot blasting chamber near the pair of spring support rotating devices. This application satisfies the shot blasting requirements of large-diameter springs, while also achieving more complete shot blasting.

Description

Technical Field

[0001] This application relates to the field of spring manufacturing, and in particular to a shot blasting machine for spring processing. Background Technology

[0002] A shot blasting machine is a device that uses high-speed shot to clean or strengthen the surface of castings. It can simultaneously remove sand, cores, and clean castings. It can also be used to remove burrs, diaphragms, and rust. Shot blasting machines can also remove contaminants from a partially coated surface and provide a surface profile that increases the adhesion of the coating, thus making it widely used.

[0003] Existing tracked shot blasting machines work by placing a batch of springs onto the steel track inside the blasting chamber. The track drives all the springs to rotate, and they are then blasted by the shot blaster above. Tracked shot blasting machines are suitable for springs with diameters between 10 mm and 200 mm, but not for large-diameter springs exceeding 200 mm. Hook-type shot blasting machines, on the other hand, use hooks to hold the springs, and the springs rotate within the blasting chamber, blasting them with the help of a shot blaster on the side. However, due to the presence of the hooks, the contact point between the hook and the spring cannot be blasted, making the shot blasting process incomplete. Summary of the Invention

[0004] In order to achieve complete shot blasting of large-diameter springs, this application provides a shot blasting machine for spring processing.

[0005] The shot blasting machine for spring processing provided in this application adopts the following technical solution:

[0006] A shot blasting machine for spring processing includes a shot blasting body; the shot blasting body includes a cuboid shot blasting chamber and a shot blaster disposed on the top of the shot blasting chamber; it also includes a pair of spring support rotating devices respectively disposed on both sides of the shot blasting chamber; the spring support rotating device includes a horizontally movable infeed / outfeed bracket, a horizontal drive mechanism for driving the infeed / outfeed bracket to move horizontally, and a spring support mechanism disposed on the infeed / outfeed bracket; the spring support mechanism includes a pair of cylindrical spring support rods and a support rod rotation drive assembly for driving the pair of spring support rods to rotate in the same direction; the pair of spring support rods are arranged parallel to each other and located on the same horizontal plane; the shot blasting chamber has horizontally penetrating infeed / outfeed holes respectively formed on the side walls near the pair of spring support rotating devices.

[0007] By adopting the above technical solution, the spring is located on a pair of spring support rods. The support rod rotation drive assembly drives the pair of spring support rods to rotate in the same direction. As the springs on the pair of spring support rods rotate, the shot blaster shoots steel balls to blast the rotating springs, thus satisfying the shot blasting requirements of large-diameter springs, while also making the shot blasting more complete.

[0008] Optionally, the spring support mechanism is provided in two sets; the two sets of spring support mechanisms are distributed vertically.

[0009] By adopting the above technical solution, the steel balls ejected by the shot blaster will strike the spring on the lower spring support mechanism after passing through the spring on the upper side. This makes full use of the steel balls ejected by the shot blaster and avoids energy waste. At the same time, the lower spring can be used for pre-shot blasting, which improves the efficiency of subsequent formal shot blasting.

[0010] Optionally, the infeed / outfeed bracket includes an inner vertical support plate near the shot blasting chamber; two sets of vertically distributed guide groups are formed on the inner vertical support plate; each guide group corresponds to a spring support mechanism; each guide group includes a pair of horizontally distributed horizontal moving grooves; two sets of horizontal opening / closing assemblies are provided on the inner vertical support plate; each horizontal opening / closing assembly corresponds to a spring support mechanism; each horizontal opening / closing assembly includes a pair of horizontally sliding support plates respectively slidably disposed in horizontal moving grooves on corresponding sides and an opening / closing drive component for driving the pair of horizontally sliding support plates to move away from or closer to each other; the spring support rod and the water The horizontal sliding support plates are one-to-one correspondences, and the spring support rods are vertically rotatably mounted on the corresponding side of the horizontal sliding support plates; loading and unloading devices are respectively provided on both sides of the shot blasting chamber; the loading and unloading devices correspond one-to-one with the spring support rotation devices; the loading and unloading devices include a lifting mechanism and an upper gripping mechanism; the lifting mechanism is used to load the spring support mechanism on the lower side and lift the springs on the lower side of the spring support mechanism to the upper side of the spring support mechanism, and lift the springs on the lower side of the spring support mechanism to the upper gripping mechanism; the upper gripping mechanism is used to grip the springs lifted by the lifting mechanism.

[0011] By adopting the above technical solution, the lifting mechanism feeds the springs to the lower spring support mechanism and lifts the springs on the lower spring support mechanism to the upper spring support mechanism. The springs on the lower spring support mechanism are then lifted to the upper gripping mechanism. In addition, the opening and closing drive component drives a pair of spring support rods to separate, avoiding obstruction of the springs' ascent. Finally, the upper gripping mechanism grips the springs lifted by the lifting mechanism. This achieves the loading and unloading of springs and their transfer from bottom to top, allowing the springs to undergo shot blasting twice, thus improving the quality of shot blasting.

[0012] Optionally, the lifting mechanism includes a vertically movable lifting support plate, three lifting claw electric cylinders disposed on the end face of the lifting support plate away from the shot blasting chamber, and a vertical drive assembly for driving the lifting support plate to move vertically up and down; the three lifting claw electric cylinders are evenly distributed vertically, and the center distance between two adjacent lifting claw electric cylinders is equal to the center distance between the two sets of spring support assemblies.

[0013] By adopting the above technical solution, the lowest lifting claw electric cylinder grabs the spring, and then the lifting support plate rises. This aligns the springs on the pair of spring support mechanisms with the highest and middle lifting claw electric cylinders. Next, the highest and middle lifting claw electric cylinders grab the springs on the pair of spring support mechanisms, and then the support plate rises. This aligns the springs on the lowest and middle lifting claw electric cylinders with the pair of spring support mechanisms, and the spring on the highest lifting claw electric cylinder with the upper gripping mechanism. Then, the two pairs of spring support rods approach horizontally, and the upper gripping mechanism grabs the springs. Finally, the three lifting claw electric cylinders release the springs, and the two springs on each side fall onto the two pairs of spring support rods. Finally, the support plate returns to its original position. This completes the loading and unloading and spring lifting, improving the efficiency of shot blasting.

[0014] Optionally, it also includes a pair of bottom feeding devices distributed in the shot blasting chamber; the bottom feeding devices correspond one-to-one with the lifting mechanism and the bottom feeding devices are used to provide springs to the lowermost lifting claw electric cylinder.

[0015] By adopting the above technical solution, the bottom feeding device achieves automatic feeding, eliminating the need for operators to constantly monitor the feeding process and reducing the labor intensity of operators.

[0016] Optionally, the bottom feeding device includes a feeding base and a pushing mechanism; the feeding base includes a cuboid base body, a pair of side baffles formed on the upper surface of the base body, a first vertical plate formed on the upper surface of the base body, and a second support plate formed on the upper surface of the base body; the pair of side baffles are arranged parallel to each other and a gap is provided between them for the spring to move horizontally; the first vertical plate is located at the end of the upper surface of the base body away from the lifting mechanism and closes the gap between the pair of side baffles; the second support plate is located at the end of the upper surface of the base body near the lifting mechanism and the width of the second support plate is smaller than the outer diameter of the spring; the end faces of the pair of side baffles near the second support plate are flush with the end faces of the pair of claws of the lifting claw electric cylinder away from the lifting support plate; the pushing mechanism is used to push the spring between the pair of side baffles toward the second support plate.

[0017] By adopting the above technical solution, a batch of springs are placed on the base body and located between a pair of side baffles. Then, the pushing mechanism pushes all the springs to move horizontally until the frontmost spring abuts against the second support plate. At this time, the pair of claws of the bottom lifting claw electric cylinder approach and clamp the spring. In this way, the bottom feeding device has a certain material storage function, which can reduce the number of feeding times, and at the same time facilitate the bottom lifting claw electric cylinder to clamp the spring.

[0018] Optionally, the upper gripping mechanism includes an upper bracket fixed to the top of the shot blasting chamber, a horizontal connecting seat rotatably connected to the lower side of the upper bracket on a horizontal plane, a horizontal rotating component for driving the horizontal connecting seat to rotate, an extension rod horizontally fixed to the horizontal connecting seat, and an upper gripping electric cylinder fixed to the other end of the extension rod.

[0019] By adopting the above technical solution, after the upper gripping electric cylinder grips the uppermost spring, the horizontal rotating component drives the horizontal connecting seat, the extension rod and the upper gripping electric cylinder to rotate horizontally by 90 degrees. In this way, the spring can avoid the spring support rotating device, which facilitates the subsequent installation of the recovery device and is beneficial to the layout of the entire equipment.

[0020] Optionally, a pair of feeding devices are also included; each feeding device corresponds to one of the upper gripping mechanisms; each feeding device includes a feeding support plate and a vertical conveyor belt mechanism disposed on the end face of the feeding support plate near the upper gripping mechanism; the vertical conveyor belt mechanism includes a vertical conveyor belt and a plurality of blocking clamps uniformly fixed on the outer surface of the vertical conveyor belt; the blocking clamps form an acute angle with the outer surface of the vertical conveyor belt and the gap between them is for a spring to be inserted.

[0021] By adopting the above technical solution, after the upper gripping electric cylinder releases the spring, it falls into the gap between the blocking clamp and the outer surface of the vertical conveyor belt, and then moves down with the vertical conveyor belt, making it convenient to pick up materials at a low position.

[0022] Optionally, the opening and closing drive component includes an opening and closing drive electric cylinder fixed on the feed and discharge bracket, an opening and closing drive block fixed on the piston rod of the opening and closing drive electric cylinder, and a pair of opening and closing drive connecting rods respectively hinged to two opposite end faces of the opening and closing drive block; the opening and closing drive electric cylinder is located between a pair of horizontal sliding support plates and its extension and retraction direction is vertical; the opening and closing drive connecting rod corresponds one-to-one with the horizontal sliding support plate and the other end of the opening and closing drive connecting rod is hinged to the horizontal sliding support plate on the corresponding side; the spring support rod is rotatably connected to the horizontal sliding support plate on the corresponding side.

[0023] By adopting the above technical solution, the opening and closing drive electric cylinder drives the opening and closing drive block to move vertically. During this process, the opening and closing drive connecting rods on both sides drive a pair of horizontal sliding support plates to move away from or towards each other horizontally. In this way, the spring support rod that is rotatably connected also moves horizontally or approaches.

[0024] Optionally, all the spring support rods of one of the spring-supported rotating devices have connecting slots formed on their end faces away from the feed / discharge bracket; all the spring support rods of the other spring-supported rotating device have connecting blocks formed on their end faces away from the feed / discharge bracket that mate with the connecting slots; during operation, the connecting blocks of a pair of horizontally opposite spring support rods are inserted into the connecting slots.

[0025] By adopting the above technical solution, during operation, the connecting blocks of the pair of horizontally opposite spring support rods are inserted into the connecting slots, which increases the overall strength and prevents the spring from slipping due to the tilt of the spring support rods.

[0026] In summary, this application includes at least one of the following beneficial effects:

[0027] 1. It satisfies the shot blasting requirements of large-diameter springs, while also ensuring more complete shot blasting.

[0028] 2. Make full use of the steel balls ejected by the shot blaster to avoid energy waste. At the same time, the spring on the lower side can be used for pre-shot blasting to improve the efficiency of subsequent formal shot blasting. Attached Figure Description

[0029] Figure 1 This is a frontal structural diagram of this application.

[0030] Figure 2 This application is Figure 1 A schematic diagram of the cross-section of AA.

[0031] Figure 3 This application is Figure 2 The structural schematic diagram of the bottom feeding device 30 and the unloading device 70 is omitted.

[0032] Figure 4 This is a cross-sectional structural schematic diagram of the horizontal drive mechanism of this application.

[0033] Figure 5 This application is Figure 2 A schematic diagram of the cross-section of BB.

[0034] Figure 6 This application is Figure 7 A front view structural schematic diagram of the inner vertical support plate 54.

[0035] Figure 7 This application is Figure 2 A cross-sectional structural diagram of the bottom feeding device 30.

[0036] Figure 8 This is a top view of the bottom feeding device 30 of this application.

[0037] Explanation of reference numerals in the attached figures:

[0038] 10. Shot blasting body; 11. Shot blasting chamber; 110. Inlet and outlet ports; 12. Shot blaster; 13. Support legs;

[0039] 30. Bottom feeding device; 31. Feeding base; 311. Base body; 312. Side baffle; 313. First vertical plate; 314. Second support plate; 32. Pushing electric cylinder; 33. Pushing plate;

[0040] 40. Lifting mechanism; 41. Vertical drive electric cylinder; 42. Lifting support plate; 43. Lifting claw electric cylinder;

[0041] 50. Spring-supported rotating device; 51. Drive base; 510. Horizontal drive groove; 52. Main support plate; 53. Main horizontal support plate; 54. Inner vertical support plate; 540. Horizontal moving groove; 55. Opening and closing drive component; 551. Opening and closing drive electric cylinder; 552. Opening and closing drive block; 553. Opening and closing drive connecting rod; 56. Spring support rod; 57. Support rod rotation drive motor; 58. Horizontal sliding support plate; 59. Horizontal drive motor; 591. Horizontal drive screw;

[0042] 60. Upper gripping mechanism; 61. Upper vertical rod; 62. Upper horizontal support plate; 63. Horizontal rotating component; 64. Horizontal connecting seat; 65. Extension rod; 66. Upper gripping electric cylinder;

[0043] 70. Feeding device; 71. Feeding support plate; 72. Synchronous pulley; 73. Vertical conveyor belt; 74. Baffle plate; 75. Conveyor belt drive motor; 76. Recycling box;

[0044] 90. Spring. Detailed Implementation

[0045] The following is in conjunction with the appendix Figure 1-8 This application will be described in further detail.

[0046] This application discloses a shot blasting machine for spring processing, with reference to... Figure 1 and Figure 2The system includes a shot blasting body 10, a pair of spring-supported rotating devices 50 respectively disposed on both sides of the shot blasting body 10, a pair of loading and unloading devices respectively disposed on both sides of the shot blasting body 10, a pair of bottom feeding devices 30 respectively disposed on both sides of the shot blasting body 10, and a pair of unloading devices 70 respectively disposed on both sides of the shot blasting body 10. The spring-supported rotating devices 50, loading and unloading devices, bottom feeding devices 30 and unloading devices 70 are arranged in a one-to-one correspondence. The loading and unloading devices include a lifting mechanism 40 and an upper gripping mechanism 60. The bottom feeding device 30 is used to provide springs 90 to the lifting mechanism 40. The lifting mechanism 40 is used to lift the springs. The spring-supported rotating devices 50 are used to drive the springs to move horizontally in and out of the shot blasting body 10 and to drive the springs to rotate. The upper gripping mechanism 60 is used to grip the uppermost spring that has completed shot blasting. The unloading device 70 is used to drive the spring that has completed shot blasting to descend.

[0047] refer to Figure 2 and Figure 3 The shot blasting body 10 includes a rectangular shot blasting chamber 11; the bottom of the shot blasting chamber 11 is fixed with several rectangularly distributed support feet 13; the top of the shot blasting chamber 11 is provided with a shot blaster 12; a pair of horizontally distributed rectangular inlet and outlet holes 110 are respectively formed on the side wall of the shot blasting chamber 11 near a pair of spring-supported rotating devices 50.

[0048] refer to Figure 3 , Figure 5 and Figure 6 The spring-supported rotating device 50 includes a horizontally movable infeed / outfeed bracket, a horizontal drive mechanism for driving the infeed / outfeed bracket to move horizontally, and a pair of vertically distributed spring support mechanisms disposed on the infeed / outfeed bracket. The infeed / outfeed bracket includes a U-shaped main support plate 52 with its opening facing downward, a main horizontal support plate 53 horizontally fixed to the upper part of the end face of the main support plate 52 near the shot blasting body 10, and an inner vertical support plate 54 fixed to the end of the main horizontal support plate 53 away from the main support plate 52. Two sets of vertically distributed guide groups are formed on the inner vertical support plate 54. The guide groups correspond one-to-one with the spring support mechanisms. The guide groups include a pair of horizontally distributed horizontal moving grooves 540. Two sets of horizontal opening and closing components are disposed on the inner vertical support plate 54. The horizontal opening and closing components correspond one-to-one with the spring support mechanisms. The horizontal opening and closing components include a pair of horizontal sliding support plates 58 respectively slidably disposed in the horizontal moving grooves 540 on the corresponding sides, and an opening and closing drive component 55 for driving the pair of horizontal sliding support plates 58 to move away from or closer to each other.

[0049] refer to Figure 3 , Figure 5 and Figure 6The spring support mechanism includes a pair of cylindrical spring support rods 56 and a support rod rotation drive assembly for driving the pair of spring support rods 56 to rotate in the same direction; the pair of spring support rods 56 are arranged in parallel and located on the same horizontal plane; the spring support rods 56 correspond one-to-one with the horizontal sliding support plates 58; the spring support rods 56 are vertically inserted and rotatably connected to the horizontal sliding support plates 58 on the corresponding side; the support rod rotation drive assembly includes a pair of support rod rotation drive motors 57; the support rod rotation drive motors 57 correspond one-to-one with the horizontal sliding support plates 58 and the support rod rotation drive motors 57 are fixed on the outer end face of the horizontal sliding support plates 58 on the corresponding side; the spring support rods 56 and the support rod rotation drive motors 57 on the corresponding side are coaxially fixedly connected; a damping layer is provided on the cylindrical surface of the spring support rods 56.

[0050] refer to Figure 5 and Figure 6 The opening and closing drive component 55 includes an opening and closing drive electric cylinder 551 fixed on the upper or lower end face of the main horizontal support plate 53, an opening and closing drive block 552 fixed on the piston rod of the opening and closing drive electric cylinder 551, and a pair of opening and closing drive connecting rods 553 respectively hinged to the two opposite end faces of the opening and closing drive block 552; the opening and closing drive electric cylinder 551 is located between a pair of horizontal sliding support plates 58 and its extension and retraction direction is vertical; the opening and closing drive connecting rods 553 correspond one-to-one with the horizontal sliding support plates 58 and the other end of the opening and closing drive connecting rods 553 is hinged to the corresponding side of the horizontal sliding support plate 58.

[0051] refer to Figure 3 and Figure 4 The horizontal drive mechanism includes a pair of drive bases 51 passing through the lower openings of the main support plate 52 and a pair of horizontal drive components respectively disposed on the drive bases 51; the upper surface of the drive base 51 is formed with a horizontal drive groove 510 that mates with the vertical part of the main support plate 52; the horizontal drive component includes a horizontal drive screw 591 rotatably connected between a pair of vertical sidewalls of the horizontal drive groove 510 and a horizontal drive motor 59 fixed on the drive base 51; the horizontal drive screw 591 is coaxially and fixedly connected to the output shaft of the horizontal drive motor 59 on the corresponding side; the vertical part of the main support plate 52 is screwed onto the horizontal drive screw 591 on the corresponding side.

[0052] To increase the support strength of the spring support rods 56, all the spring support rods 56 of one spring support rotating device 50 have connecting slots formed on the end faces away from the feed and discharge brackets; all the spring support rods 56 of the other spring support rotating device 50 have connecting blocks formed on the end faces away from the feed and discharge brackets that mate with the connecting slots; during operation, the connecting blocks of a pair of horizontally opposite spring support rods 56 are inserted into the connecting slots.

[0053] refer to Figure 2 , Figure 3 and Figure 5 The lifting mechanism 40 includes a vertically movable lifting support plate 42, three lifting claw electric cylinders 43 disposed on the end face of the lifting support plate 42 away from the shot blasting chamber 11, and a vertical drive assembly for driving the lifting support plate 42 to move vertically up and down; a pair of claws of the lifting claw electric cylinder 43 are horizontally movable; the three lifting claw electric cylinders 43 are evenly distributed vertically and the center distance between two adjacent lifting claw electric cylinders 43 is equal to the center distance between the two sets of spring support assemblies; the bottom feeding device 30 is used to provide a spring 90 to the lowermost lifting claw electric cylinder 43.

[0054] refer to Figure 3 and Figure 5 The vertical drive assembly includes a pair of vertical drive electric cylinders 41; the lifting support plate 42 is T-shaped and its horizontal ends are respectively fixed to the upper ends of the piston rods of the pair of vertical drive electric cylinders 41.

[0055] refer to Figure 2 , Figure 7 and Figure 8 The bottom feeding device 30 includes a feeding base 31 and a pushing mechanism; the feeding base 31 passes through the lower end opening of the main support plate 52; the feeding base 31 includes a cuboid base body 311, a pair of side baffles 312 formed on the upper end surface of the base body 311, a first vertical plate 313 formed on the upper end surface of the base body 311, and a second support plate 314 formed on the upper end surface of the base body 311; the pair of side baffles 312 are arranged parallel to each other and a gap is provided between them for the spring to move horizontally; the first vertical plate 313... The straight plate 313 is located at the end of the base body 311 away from the lifting mechanism 40 and closes the gap between the pair of side baffles 312; the second support plate 314 is located at the end of the base body 311 near the lifting mechanism 40 and the width of the second support plate 314 is less than the outer diameter of the spring 90; the end faces of the pair of side baffles 312 near the second support plate 314 are flush with the end faces of the pair of claws of the lifting claw electric cylinder 43 away from the lifting support plate 42; the pushing mechanism is used to push the spring between the pair of side baffles 312 toward the second support plate 314.

[0056] refer to Figure 7 and Figure 8 The pushing mechanism includes a pushing electric cylinder 32 fixed on the end face of the first vertical plate 313 away from the shot blasting body 10 and a pushing plate 33 fixed on the piston rod of the pushing electric cylinder 32; the pushing plate 33 is located between a pair of side baffles 312.

[0057] refer to Figure 2 and Figure 3The upper gripping mechanism 60 includes an upper bracket fixed to the top of the shot blasting chamber 11, a horizontal connecting seat 64 rotatably connected to the lower side of the upper bracket on a horizontal plane, a horizontal rotating component 63 for driving the horizontal connecting seat 64 to rotate, an extension rod 65 horizontally fixed to the horizontal connecting seat 64, and an upper gripping electric cylinder 66 fixed to the other end of the extension rod 65; the upper bracket includes a pair of horizontally distributed upper vertical rods 61 fixed to the top of the shot blasting chamber 11 and an upper horizontal support plate 62 fixed to the upper end of the pair of upper vertical rods 61; the horizontal rotating component 63 is a servo motor fixed to the upper horizontal support plate 62 and drives the horizontal connecting seat 64 to rotate at equal angles of 90 degrees in both directions; the pair of claws of the upper gripping electric cylinder 66 are horizontally movable.

[0058] refer to Figure 2 The unloading device 70 includes an unloading support plate 71 and a vertical conveyor belt mechanism disposed on the end face of the unloading support plate 71 near the upper gripping mechanism 60. The vertical conveyor belt mechanism includes a pair of synchronous pulleys 72 rotatably connected to the end face of the unloading support plate 71 near the upper gripping mechanism 60, a vertical conveyor belt 73 installed between the pair of synchronous pulleys 72, a conveyor belt drive motor 75 fixed on the unloading support plate 71 and used to drive the upper synchronous pulleys 72 to rotate, and a plurality of blocking clamps 74 uniformly fixed on the outer surface of the vertical conveyor belt 73. The vertical conveyor belt 73 conveys intermittently at equal intervals. The blocking clamps 74 form an acute angle with the outer surface of the vertical conveyor belt 73, and the gap between them is for springs to be inserted. In order to collect the springs after shot blasting, a recycling box 76 is provided at the bottom of the unloading support plate 71.

[0059] The working principle of the shot blasting machine for spring processing disclosed in this application is as follows:

[0060] After shot blasting, the pair of main support plates 52 move away from each other, causing the four springs 90 to disengage from the shot blasting chamber 11. Then, the lowermost lifting claw electric cylinder 43 clamps the spring 90 on the bottom feeding device 30. Next, the lifting support plate 42 rises, so that the pair of springs 90 leaving the shot blasting chamber 11 are directly opposite the uppermost lifting claw electric cylinder 43 and the middle lifting claw electric cylinder 43. Then, the uppermost lifting claw electric cylinder 43 and the middle lifting claw electric cylinder 43 respectively clamp the pair of springs 90 leaving the shot blasting chamber 11. Then, all the spring support rod pairs separate. Then, the lifting support plate 42 continues to rise, so that the uppermost spring 90 reaches the upper gripping electric cylinder 66, the middle spring is above the upper spring support rod pair, and the lowermost spring 90 reaches the upper spring support rod pair. Then, all the spring support rods move closer to their return positions while the upper gripping electric cylinder 66 grips the uppermost spring 90. Next, all the lifting claw electric cylinders 43 release the springs, causing the two lower springs to fall onto the two pairs of spring support rods. Then, the lifting support plate 42 descends back to its original position, and then a pair of main support plates 52 move closer together, causing the four springs 90 to enter the shot blasting chamber 11 for shot blasting. At the same time, the horizontal connecting seat 64 rotates 90 degrees horizontally, so that the shot-blasted springs 90 reach directly above the gap between the outer surface of the vertical conveyor belt 73 and the blocking clamp 74. Then, the upper gripping electric cylinder 66 releases the springs 90, causing the springs 90 to enter the gap between the outer surface of the vertical conveyor belt 73 and the blocking clamp 74. Then, the vertical conveyor belt 73 drives the springs 90 to descend, finally falling into the recycling box 76.

[0061] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A shot blasting machine for spring processing, comprising a shot blasting body (10); the shot blasting body (10) includes a rectangular shot blasting chamber (11) and a shot blaster (12) disposed on the top of the shot blasting chamber (11); characterized in that: It also includes a pair of spring-supported rotating devices (50) respectively disposed on both sides of the shot blasting chamber (11); the spring-supported rotating device (50) includes a horizontally movable feed and discharge bracket, a horizontal drive mechanism for driving the feed and discharge bracket to move horizontally, and a spring support mechanism disposed on the feed and discharge bracket; the spring support mechanism includes a pair of cylindrical spring support rods (56) and a support rod rotation drive assembly for driving the pair of spring support rods (56) to rotate in the same direction; The pair of spring support rods (56) are arranged in parallel and on the same horizontal plane; the shot blasting chamber (11) has horizontally penetrating inlet and outlet holes (110) formed on the side wall near the pair of spring support rotating devices (50). The spring support mechanism is provided in two sets; the two sets of spring support mechanisms are distributed vertically. The infeed / outfeed bracket includes an inner vertical support plate (54) near the shot blasting chamber (11); two sets of vertically distributed guide groups are formed on the inner vertical support plate (54); the guide groups correspond one-to-one with the spring support mechanism; the guide groups include a pair of horizontally distributed horizontal moving grooves (540); two sets of horizontal opening and closing components are provided on the inner vertical support plate (54); the horizontal opening and closing components correspond one-to-one with the spring support mechanism; the horizontal opening and closing components include a pair of horizontally sliding support plates (58) respectively slidably disposed in the horizontal moving grooves (540) on the corresponding sides and an opening and closing drive component (55) for driving the pair of horizontally sliding support plates (58) to move away from or towards each other; the spring support rod (56) and the horizontally sliding support plate (58) are connected to the spring support mechanism. The support plates (58) are one-to-one and the spring support rods (56) are vertically rotatably mounted on the corresponding horizontal sliding support plates (58); the shot blasting chamber (11) is provided with loading and unloading devices on both sides; the loading and unloading devices are one-to-one with the spring support rotation devices (50); the loading and unloading devices include a lifting mechanism (40) and an upper gripping mechanism (60); the lifting mechanism (40) is used to load the spring support mechanism on the lower side and lift the spring on the lower side of the spring support mechanism to the upper side of the spring support mechanism, and lift the spring on the lower side of the spring support mechanism to the upper gripping mechanism (60); the upper gripping mechanism (60) is used to grip the spring lifted by the lifting mechanism (40); The lifting mechanism (40) includes a vertically movable lifting support plate (42), three lifting claw electric cylinders (43) disposed on the end face of the lifting support plate (42) away from the shot blasting chamber (11), and a vertical drive assembly for driving the lifting support plate (42) to move vertically up and down; the three lifting claw electric cylinders (43) are evenly distributed vertically and the center distance between two adjacent lifting claw electric cylinders (43) is equal to the center distance between the two sets of spring support mechanisms.

2. The shot blasting machine for spring processing according to claim 1, characterized in that: It also includes a pair of bottom feeding devices (30) distributed in the shot blasting chamber (11); the bottom feeding devices (30) correspond one-to-one with the lifting mechanism (40) and the bottom feeding devices (30) are used to provide springs to the lowermost lifting claw electric cylinder (43).

3. A shot blasting machine for spring processing according to claim 2, characterized in that: The bottom feeding device (30) includes a feeding base (31) and a pushing mechanism; the feeding base (31) includes a rectangular base body (311), a pair of side baffles (312) formed on the upper surface of the base body (311), a first vertical plate (313) formed on the upper surface of the base body (311), and a second support plate (314) formed on the upper surface of the base body (311); the pair of side baffles (312) are arranged parallel to each other and a gap is provided between them for the spring to move horizontally; the first vertical plate (313) is located on the upper surface of the base body (311). The end face is away from the lifting mechanism (40) and closes the gap between the pair of side baffles (312); the second support plate (314) is located on the upper end face of the base body (311) near the end of the lifting mechanism (40) and the width of the second support plate (314) is smaller than the outer diameter of the spring; the end faces of the pair of side baffles (312) near the second support plate (314) are flush with the end faces of the pair of claws of the lifting claw electric cylinder (43) away from the lifting support plate (42); the pushing mechanism is used to push the spring between the pair of side baffles (312) towards the second support plate (314).

4. A shot blasting machine for spring processing according to claim 1, characterized in that: The upper gripping mechanism (60) includes an upper bracket fixed to the top of the shot blasting chamber (11), a horizontal connecting seat (64) rotatably connected to the lower side of the upper bracket on a horizontal plane, a horizontal rotating component (63) for driving the horizontal connecting seat (64) to rotate, an extension rod (65) horizontally fixed to the horizontal connecting seat (64), and an upper gripping electric cylinder (66) fixed to the other end of the extension rod (65).

5. A shot blasting machine for spring processing according to claim 4, characterized in that: It also includes a pair of feeding devices (70); the feeding devices (70) correspond one-to-one with the upper gripping mechanism (60); the feeding device (70) includes a feeding support plate (71) and a vertical conveyor belt mechanism disposed on the end face of the feeding support plate (71) near the upper gripping mechanism (60); the vertical conveyor belt mechanism includes a vertical conveyor belt (73) and a plurality of blocking clamps (74) uniformly fixed on the outer surface of the vertical conveyor belt (73); the blocking clamps (74) form an acute angle with the outer surface of the vertical conveyor belt (73) and the gap between them is for the spring to be inserted.

6. A shot blasting machine for spring processing according to claim 1, characterized in that: The opening and closing drive component (55) includes an opening and closing drive electric cylinder (551) fixed on the feed and discharge bracket, an opening and closing drive block (552) fixed on the piston rod of the opening and closing drive electric cylinder (551), and a pair of opening and closing drive connecting rods (553) respectively hinged to two opposite end faces of the opening and closing drive block (552); the opening and closing drive electric cylinder (551) is located between a pair of horizontal sliding support plates (58) and its extension and retraction direction is vertical; the opening and closing drive connecting rod (553) corresponds one-to-one with the horizontal sliding support plate (58) and the other end of the opening and closing drive connecting rod (553) is hinged to the horizontal sliding support plate (58) on the corresponding side; the spring support rod (56) is rotatably connected to the horizontal sliding support plate (58) on the corresponding side.

7. A shot blasting machine for spring processing according to claim 1, characterized in that: All the spring support rods (56) of one of the spring support rotating devices (50) have connecting slots formed on the end face away from the feed and discharge bracket; all the spring support rods (56) of the other spring support rotating device (50) have connecting blocks formed on the end face away from the feed and discharge bracket that mate with the connecting slots; during operation, the connecting blocks of a pair of horizontally opposite spring support rods (56) are inserted into the connecting slots.

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