A processing device for internal hexagonal flange bolts

Abstract

This invention relates to the field of fastener processing technology, and more particularly to a processing device for hexagonal flange bolts. Technical problem: In current cold heading processes, the inconvenience of feeding and discharging, coupled with cumbersome operating procedures, leads to low production efficiency. Furthermore, the positioning accuracy of the bar stock is insufficient, causing it to easily shift or become unstable, affecting the final cold heading forming effect. A processing device for hexagonal flange bolts includes a frame, a hopper, and a discharge ramp. The hopper is installed on the frame and is connected to it, containing bar stock. A discharge ramp is installed at the lower part of the frame. The feeding chute and pusher rollers work together to complete the conveying process. The pusher mechanism accurately feeds the bar stock into the positioning area of ​​the cold heading female seat. A hydraulic rod drives the cold heading male seat to close, cold heading the bar stock. After completion, the hydraulic rod drives the cold heading male seat to reset, and the bar stock is pushed out from the feeding chute to the discharge ramp by the pusher rollers. The entire process is repeated cyclically to ensure stable processing.

Description

Technical Field

[0001] This invention relates to the field of fastener processing technology, and in particular to a processing device for internal hexagonal flange bolts. Background Technology

[0002] Cold heading of internal hexagonal flange bolts not only enables efficient and automated production, but also ensures the dimensional accuracy and strength of the products; through the cold heading process, high-strength, high-quality bolts can be manufactured to meet various application requirements.

[0003] In the current cold heading process, the inconvenience of feeding and discharging, coupled with the cumbersome operation procedures, leads to low production efficiency. Furthermore, the positioning accuracy of the bar stock is insufficient, making it prone to displacement or instability, which affects the final cold heading forming effect. In addition, impurities such as debris, dust, or other particles in the feeding trough can affect the flat placement of the bar stock, causing deformation or uneven pressing during the cold heading process, resulting in poor product quality. Summary of the Invention

[0004] To overcome the shortcomings of current cold heading processes, such as inconvenient feeding and discharging, low cold heading efficiency, poor bar stock positioning, and impurities in the feeding trough affecting the flatness of the bar stock and thus impacting the cold heading effect, a processing device for internal hexagonal flange bolts is needed. This device can simultaneously feed and discharge bar stock during cold heading, greatly improving feeding and discharging efficiency. It can also accurately position the bar stock to prevent deformation and clean impurities in the feeding trough, reducing their impact on the flatness of the bar stock.

[0005] The technical implementation scheme of the present invention is as follows: a processing device for internal hexagonal flange bolts, comprising a frame, a hopper, a discharge ramp, a fixed cylinder, a first rotating cylinder, a second rotating cylinder, a drive mechanism, and a feeding mechanism. The frame, hopper, discharge ramp, fixed cylinder, first rotating cylinder, second rotating cylinder, feeding trough, drive mechanism, feeding mechanism, pushing mechanism, and cold heading mechanism are also included. A hopper is installed on the frame and is connected to it. The hopper contains bar stock. A discharge ramp is installed at the lower part of the frame. A fixed cylinder is installed on the side of the frame away from the discharge ramp. A first rotating cylinder is rotatably mounted on the fixed cylinder. A second rotating cylinder is fixedly mounted on the fixed cylinder. Four feeding troughs are evenly spaced on the second rotating cylinder. A drive mechanism is provided on the frame and the first rotating cylinder. A feeding mechanism is provided on the hopper and the first rotating cylinder. A pushing mechanism is provided on the fixed cylinder, the first rotating cylinder, and the second rotating cylinder. A cold heading mechanism is provided on the frame and the second rotating cylinder.

[0006] Furthermore, the drive mechanism includes a gear ring, a servo motor, and a gear. A gear ring is fixedly installed on the rotating drum, and a servo motor is installed on the side of the frame away from the discharge sloping plate. A gear is installed on the output shaft of the servo motor, and the gear meshes with the gear ring.

[0007] Furthermore, the feeding mechanism includes a corrugated groove frame, a U-shaped baffle plate, a lower baffle plate, and a feeding roller. A corrugated groove frame is fixedly installed on the rotating drum, and a corrugated groove is opened on the corrugated groove frame. A U-shaped baffle plate and two lower baffle plates are slidably provided on the hopper. One side of the U-shaped baffle plate is fixedly connected to the two lower baffle plates, and a feeding roller is rotatably provided on the other side of the U-shaped baffle plate. The feeding roller is located in the corrugated groove on the corrugated groove frame.

[0008] Furthermore, the feeding mechanism includes guide rails, feeding rods, and feeding rollers. A drive groove is opened on the fixed cylinder. Four guide rails are evenly spaced inside the rotating cylinder. A feeding rod is slidably installed on each guide rail. One end of the feeding rod is slidably connected to the rotating cylinder. The four feeding rods are located in four feeding slots respectively. A feeding roller is rotatably installed at the other end of each of the four feeding rods. A drive groove is opened on the fixed cylinder.

[0009] Furthermore, the cold heading mechanism includes a cold heading female seat, hydraulic rods, a connecting plate, and a cold heading male seat. A cold heading female seat is fixedly installed at each of the four material feeding troughs. Two hydraulic rods are fixedly installed on the side of the frame near the discharge inclined plate. A connecting plate is installed between the extension rods of the two hydraulic rods. A cold heading male seat is fixedly installed on the connecting plate. The cold heading male seat and one of the cold heading female seats are located on the same axis.

[0010] Furthermore, the drive groove on the fixed cylinder consists of straight groove one, straight groove two, straight groove three, inclined groove one, inclined groove two, and inclined groove three. Straight groove one is close to the hopper, straight groove two is close to the cold heading male seat, and straight groove three is close to the discharge inclined plate. Inclined groove one is located between straight groove one and straight groove two, inclined groove two is located between straight groove two and straight groove three, and inclined groove three is located between straight groove three and straight groove one. Straight groove one, straight groove two, straight groove three, inclined groove one, inclined groove two, and inclined groove three are interconnected. The four pusher rollers are located in straight groove one, straight groove two, straight groove three, and inclined groove three, respectively.

[0011] Furthermore, it also includes a clamping mechanism, which is set on the frame and the connecting plate. The clamping mechanism is used to clamp the bar stock during the cold heading process. The clamping mechanism includes a clamping frame, a fixing plate and a clamping roller. A clamping frame is slidably provided on the side of the frame near the hydraulic rod. The clamping frame has a guide groove. Two fixing plates are installed on the side of the connecting plate near the clamping frame. A clamping roller is rotatably connected between the two fixing plates.

[0012] Furthermore, the guide groove consists of a horizontal groove and an inclined groove, with the pressure roller located within the inclined groove of the guide groove.

[0013] Furthermore, it also includes a cleaning mechanism, which is installed on the frame, the discharge ramp, and the corrugated trough. The cleaning mechanism is used to clean impurities in the discharge trough. The cleaning mechanism includes a cylinder, a piston rod, a vertical roller, a one-way exhaust valve, a one-way intake valve, a perforated exhaust plate, and a rigid pipe. A cylinder is installed on the side of the discharge ramp near the fixed cylinder. A piston rod is slidably installed in the cylinder, and a vertical roller is rotatably installed on the piston rod. A one-way exhaust valve and a one-way intake valve are installed on one side of the cylinder and are connected to the cylinder. A perforated exhaust plate is fixedly installed on the side of the frame away from the hydraulic rod. A rigid pipe connects the one-way exhaust valve and the perforated exhaust plate.

[0014] This invention has the following advantages: Driven by a servo motor, gears and gear rings mesh to synchronously rotate drum one, drum two, corrugated groove frame, guide rail, push rod, and push roller by 90 degrees before stopping. The corrugated grooves on the corrugated groove frame cause the discharge roller, U-shaped baffle, and lower baffle to reciprocate along a specific trajectory, realizing the separation and control of each bar stock, thereby achieving intermittent and precise feeding. The bar stock enters the four discharge slots of drum two, and is conveyed by the cooperation of the discharge slots and push roller. The push mechanism accurately delivers the bar stock into the positioning area of ​​the cold heading female seat. The hydraulic rod drives the cold heading male seat to close, cold heading the bar stock. After completion, the hydraulic rod drives the cold heading male seat to reset, and the bar stock is pushed by the push roller from the discharge slot to the discharge inclined plate. The entire process is repeated cyclically to ensure stable processing and uniform product quality. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present invention.

[0016] Figure 2 This is a three-dimensional structural diagram of the frame and the feeding mechanism in an embodiment of the present invention.

[0017] Figure 3 This is a three-dimensional structural diagram of the feeding mechanism in an embodiment of the present invention.

[0018] Figure 4 This is a three-dimensional structural diagram of the hopper, U-shaped baffle, and lower baffle in an embodiment of the present invention.

[0019] Figure 5 This is a three-dimensional structural diagram of the fixed cylinder and the pushing mechanism in an embodiment of the present invention.

[0020] Figure 6 This is a three-dimensional structural diagram of the rotating drum and the pushing mechanism in an embodiment of the present invention.

[0021] Figure 7 This is a three-dimensional structural diagram of the rotating drum and the pushing mechanism in an embodiment of the present invention.

[0022] Figure 8 This is a three-dimensional structural diagram of the fixed cylinder, push rod, and push roller in an embodiment of the present invention.

[0023] Figure 9 This is a cross-sectional three-dimensional structural diagram of the fixed cylinder in an embodiment of the present invention.

[0024] Figure 10 This is a three-dimensional structural diagram of the frame and the driving mechanism in an embodiment of the present invention.

[0025] Figure 11 This is a three-dimensional structural diagram of the pushing mechanism and the cleaning mechanism in an embodiment of the present invention.

[0026] Figure 12 This is a three-dimensional structural diagram of the corrugated groove frame and cleaning mechanism in an embodiment of the present invention.

[0027] Figure 13 This is a three-dimensional structural diagram of the frame and cleaning mechanism in an embodiment of the present invention.

[0028] Figure 14 This is a three-dimensional structural diagram of the cold heading mechanism and the pressing mechanism in an embodiment of the present invention.

[0029] Figure 15 This is a schematic diagram showing the disassembled parts of the driving mechanism, feeding mechanism, pushing mechanism, and cold heading mechanism in an embodiment of the present invention.

[0030] Figure 16 This is a three-dimensional structural diagram of the feeding mechanism, cold heading mechanism, and pressing mechanism in an embodiment of the present invention.

[0031] Figure 17 This is a three-dimensional structural diagram of the feeding mechanism, cold heading mechanism, and cleaning mechanism in an embodiment of the present invention.

[0032] Figure 18 This is a schematic diagram showing the disassembled parts of the clamping mechanism in an embodiment of the present invention.

[0033] Figure 19 This is a schematic diagram showing the disassembly of some parts of the cleaning mechanism in an embodiment of the present invention.

[0034] The meanings of the reference numerals in the diagram are as follows: 1: Frame, 2: Hopper, 21: Bar stock, 3: Discharge ramp, 4: Fixed cylinder, 5: Rotary drum one, 6: Rotary drum two, 61: Discharge chute, 71: Gear ring, 72: Servo motor, 73: Gear, 81: Corrugated groove frame, 82: U-shaped baffle, 83: Lower baffle, 84: Discharge roller, 1011: Straight groove one, 1012: Straight groove two, 1013: Straight groove three, 1014: Inclined groove one, 1015: Inclined groove two, 1 016: Inclined groove three, 102: Guide rail, 103: Push rod, 104: Push roller, 111: Cold heading female seat, 112: Hydraulic rod, 113: Connecting plate, 114: Cold heading male seat, 121: Clamping frame, 122: Guide groove, 123: Fixing plate, 124: Clamping roller, 131: Cylinder body, 132: Piston rod, 133: Vertical roller, 134: One-way exhaust valve, 135: One-way intake valve, 136: Perforated exhaust plate, 137: Rigid pipe. Detailed Implementation

[0035] References to embodiments herein mean that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0036] Example 1: A processing device for internal hexagonal flange bolts, such as Figures 1-15 As shown, the device includes a frame 1, a hopper 2, a discharge ramp 3, a fixed cylinder 4, a rotating drum 5, a rotating drum 2 6, a drive mechanism, and a feeding mechanism. The frame 1, hopper 2, discharge ramp 3, fixed cylinder 4, rotating drum 5, rotating drum 2 6, a discharge chute 61, a drive mechanism, a feeding mechanism, a pushing mechanism, and a cold heading mechanism are also present. The hopper 2 is mounted on the frame 1 and is connected to the frame 1. The hopper 2 contains bar stock 21. The discharge ramp 3 is mounted at the lower part of the frame 1. A fixed cylinder 4 is installed on the side of body 1 away from the discharge inclined plate 3. A rotating cylinder 5 is rotatably installed on the fixed cylinder 4. A rotating cylinder 6 is fixedly installed on the fixed cylinder 4. Four feeding slots 61 for placing bar stock 21 are evenly spaced on the rotating cylinder 6. A driving mechanism is provided on the frame body 1 and the rotating cylinder 5. A feeding mechanism is provided on the hopper 2 and the rotating cylinder 5. A pushing mechanism is provided on the fixed cylinder 4, the rotating cylinder 5 and the rotating cylinder 6. A cold heading mechanism is provided on the frame body 1 and the rotating cylinder 6.

[0037] The drive mechanism includes a gear ring 71, a servo motor 72, and a gear 73. A gear ring 71 is fixedly installed on the rotating drum 5. A servo motor 72 is installed on the side of the frame 1 away from the discharge inclined plate 3 by bolts. A gear 73 is installed on the output shaft of the servo motor 72 by splines. The gear 73 meshes with the gear ring 71.

[0038] The feeding mechanism includes a corrugated groove frame 81, a U-shaped baffle plate 82, a lower baffle plate 83, and a feeding roller 84. A corrugated groove frame 81 is fixedly installed on the rotating drum 5. A corrugated groove is opened on the corrugated groove frame 81. A U-shaped baffle plate 82 and two lower baffle plates 83 are slidably provided on the hopper 2. One side of the U-shaped baffle plate 82 is fixedly connected to the two lower baffle plates 83. A feeding roller 84 is rotatably provided on the other side of the U-shaped baffle plate 82 through a bearing. The feeding roller 84 is located in the corrugated groove on the corrugated groove frame 81.

[0039] The feeding mechanism includes a guide rail 102, a feeding rod 103, and a feeding roller 104. A drive groove is opened on the fixed cylinder 4. Four guide rails 102 are evenly spaced inside the rotating cylinder 5. Each guide rail 102 is slidably provided with a feeding rod 103 for pushing the bar 21. The feeding rod 103 will slide along the guide rail 102. One end of the feeding rod 103 is slidably connected to the rotating cylinder 6. The four feeding rods 103 are located in four feeding slots 61 respectively. The other end of each of the four feeding rods 103 is provided with a feeding roller 104 rotatably through a bearing. A drive groove is opened on the fixed cylinder 4.

[0040] The cold heading mechanism includes a cold heading female seat 111, hydraulic rods 112, a connecting plate 113, and a cold heading male seat 114. A cold heading female seat 111 is fixedly installed at each of the four material feeding troughs 61. Two hydraulic rods 112 are fixedly installed on the side of the frame 1 near the discharge inclined plate 3 by bolts. A connecting plate 113 is installed between the extension rods of the two hydraulic rods 112. A cold heading male seat 114 is fixedly installed on the connecting plate 113. The cold heading male seat 114 and one of the cold heading female seats 111 are located on the same axis.

[0041] The drive groove on the fixed cylinder 4 consists of straight groove 1011, straight groove 2 1012, straight groove 3 1013, inclined groove 1 1014, inclined groove 2 1015, and inclined groove 3 1016. Straight groove 1 1011 is close to the hopper 2, straight groove 2 1012 is close to the cold heading male seat 114, straight groove 3 1013 is close to the discharge inclined plate 3, inclined groove 1 1014 is located between straight groove 1 1011 and straight groove 2 1012, and inclined groove 2 1015 is located between straight groove 1 1011 and straight groove 2 1012. Between groove 2 1012 and straight groove 3 1013, inclined groove 3 1016 is located between straight groove 3 1013 and straight groove 1 1011. Straight groove 1 1011, straight groove 2 1012, straight groove 3 1013, inclined groove 1 1014, inclined groove 2 1015 and inclined groove 3 1016 are interconnected. The four pusher rollers 104 are located in straight groove 1 1011, straight groove 2 1012, straight groove 3 1013 and inclined groove 3 1016 respectively.

[0042] The operator first loads an appropriate amount of bar stock 21 into hopper 2. One bar stock 21 will contact and be limited by the U-shaped baffle plate 82. Then, the operator starts the output shaft of the servo motor 72 to rotate. The output shaft of the servo motor 72 drives the gear 73 to rotate. The gear 73 drives the gear ring 71 to rotate 90 degrees and then stops. The gear ring 71 drives the rotating drum 1 5, rotating drum 2 6, corrugated groove frame 81, guide rail 102, push rod 103 and push roller 104 to rotate 90 degrees and then stops. The corrugated groove frame 81 will drive the push roller 104, U-shaped baffle plate 82 and lower baffle plate 83 to reciprocate. When the U-shaped baffle plate 82 and the two lower baffle plates 83 move away... As the bar stock moves away from the cold heading holder 114, the U-shaped baffle 82 separates from one of the bar stock pieces 21, and the two lower baffles 83 move into the hopper 2. After separating from the U-shaped baffle 82, one of the bar stock pieces 21 falls onto the two lower baffles 83. When the U-shaped baffle 82 and the two lower baffles 83 move closer to the cold heading holder 114, the U-shaped baffle 82 will contact another bar stock piece 21, and the two lower baffles 83 will move out of the hopper 2. The two lower baffles 83 will no longer block the bar stock 21, and the bar stock 21 will fall into the discharge chute 61 near the hopper 2. The discharge chute 61 carries the bar stock 21 and the pusher roller 1. 04. After rotating 90 degrees along the drive groove, stop. One of the pusher rollers 104 moves from the straight groove 1011 through the inclined groove 1014 to the straight groove 2012. One of the pusher rollers 104 drives the pusher rod 103 to move closer to the cold heading female seat 111. One of the pusher rods 103 pushes one end of the bar stock into the cold heading female seat 111. Then, the operator controls the extension rods of the two hydraulic rods 112 to extend. The extension rods of the two hydraulic rods 112 drive the connecting plate 113 and the cold heading male seat 114 to move closer to the cold heading female seat 111. The cold heading male seat 114 and the cold heading female seat 111 then press against the bar stock 21. Cold heading is performed; after the bar stock 21 is cold-headed, the operator controls the telescopic rods of the two hydraulic rods 112 to shorten. The telescopic rods of the two hydraulic rods 112 drive the connecting plate 113 and the cold heading male seat 114 to move away from the cold heading female seat 111 and reset. Then the discharge trough 61 carries the cold-headed bar stock 21 and one of the push rollers 104 to rotate 90 degrees along the drive groove and stop. One of the push rollers 104 moves from the straight groove 2 1012 through the inclined groove 2 1015 to the straight groove 3 1013. Then, one of the push rollers 104 pushes the cold-headed bar stock 21 out of the discharge trough 61 and onto the discharge inclined plate 3.The rotating drum 6, four feeding troughs 61, pushing rollers 104, and pushing rods 103 rotate 90 degrees again along the drive groove and then stop. One of the pushing rollers 104 moves from straight groove 3 1013 through inclined groove 3 1016 to straight groove 1 1011. The four feeding troughs 61, four pushing rollers 104, and four pushing rods 103 rotate 90 degrees between each other and then stop. The four pushing rollers 104 will sequentially pass through straight groove 1 1011, straight groove 2 1012, straight groove 3 1013, inclined groove 1 1014, and inclined groove 2 1015. 015 and the inclined groove 1016 move within the groove, thus pushing and discharging the bar stock 21 via the push rod 103; the servo motor 72 drives the gear 73 to mesh with the gear ring 71, and the output power of the servo motor 72 sequentially drives the first rotating drum 5, the second rotating drum 6, the corrugated groove frame 81, the guide rail 102, the push rod 103, and the push roller 104 to rotate synchronously by 90 degrees and then stop. During this process, the corrugated groove on the corrugated groove frame 81 acts on the discharge roller 84, the U-shaped baffle 82, and the lower baffle 83. The U-shaped baffle 82 and the lower baffle 83 work together to form a temporary limiting structure, thereby achieving the separation and control of each bar 21, and ultimately achieving intermittent precise feeding. The bar 21 is sequentially fed into the four discharge slots 61 on the rotating drum 2 6, where it is carried by the discharge slots 61 and works with the pusher roller 104 to complete the conveying action. Then, the pusher mechanism precisely pushes the bar 21 to the positioning area of ​​the cold heading mother seat 111. The hydraulic rod 112 drives the cold heading mother seat 111 under the action of the control signal. The upsetting male seat 114 moves in a designated direction, and the cold upsetting male seat 114 and the cold upsetting female seat 111 close to perform a powerful stamping of the bar stock 21, completing the cold upsetting forming of the flange head. After the cold upsetting is completed, the hydraulic rod 112 drives the cold upsetting male seat 114 to reset, and the bar stock 21 is discharged from the discharge chute 61 to the discharge ramp 3 under the action of the pusher roller 104. This cycle is repeated, so that the feeding, conveying, positioning, forming and discharge processes of the bar stock 21 are efficiently connected, thereby ensuring a continuous and stable processing process and uniform product quality.

[0043] Example 2: Based on Example 1, such as Figures 14-18 As shown, it also includes a clamping mechanism, which is set on the frame 1 and the connecting plate 113. The clamping mechanism is used to clamp the bar stock 21 during the cold heading process. The clamping mechanism includes a clamping frame 121, a fixing plate 123 and a clamping roller 124. A clamping frame 121 for clamping the bar stock 21 is slidably provided on the side of the frame 1 near the hydraulic rod 112. The clamping frame 121 has a guide groove 122. Two fixing plates 123 are installed on the side of the connecting plate 113 near the clamping frame 121. A clamping roller 124 is rotatably connected between the two fixing plates 123 through a bearing.

[0044] The guide groove 122 consists of a horizontal groove and an inclined groove, and the clamping roller 124 is located in the inclined groove of the guide groove 122.

[0045] When the telescopic rods of the two hydraulic rods 112 move the connecting plate 113 and the cold heading male seat 114 toward the cold heading female seat 111, the connecting plate 113 moves the fixing plate 123 and the clamping roller 124 toward the cold heading female seat 111. After the clamping roller 124 moves from the inclined groove of the guide groove 122 to the horizontal groove of the guide groove 122, the clamping roller 124 will push the clamping frame 121 toward the rotating drum 6. The clamping frame 121 will... The bar stock 21, which needs to be cold-headed, is clamped and positioned. When the telescopic rods of the two hydraulic rods 112 drive the connecting plate 113 and the cold-heading male seat 114 to move away from the cold-heading female seat 111, the connecting plate 113 drives the fixing plate 123 and the clamping roller 124 to move away from the cold-heading female seat 111. After the clamping roller 124 moves from the horizontal groove of the guide groove 122 to the inclined groove of the guide groove 122, the clamping roller 124 will push the clamping frame 121 away. As the rotating drum 26 moves away from the cold-headed bar stock 21, the clamping frame 121 separates from the cold-headed bar stock 21. The telescopic rods of the two hydraulic rods 112 then drive the connecting plate 113, the fixing plate 123, and the clamping roller 124 to move closer to the cold-heading base 111. The telescopic rods of the two hydraulic rods 112 further drive the connecting plate 113, the fixing plate 123, and the clamping roller 124 to move as a whole towards the cold-heading base 111. The clamping roller 124 slides within the guide groove 122. During the process, the clamping frame 121 is driven to contact or separate from the bar stock 21. When the clamping frame 121 contacts the bar stock 21, it will firmly clamp and accurately position the bar stock 21 to ensure that the bar stock 21 remains stable and does not shift or deform during the cold heading process. This clamping method effectively avoids deformation problems caused by uneven force during the cold heading process, and at the same time ensures that the bar stock 21 is always in the best processing state, thereby improving the product quality after cold heading.

[0046] Example 3: Based on Example 2, such as Figures 11-19As shown, it also includes a cleaning mechanism, which is installed on the frame 1, the discharge ramp 3, and the corrugated trough frame 81. The cleaning mechanism is used to clean impurities in the discharge trough 61. The cleaning mechanism includes a cylinder 131, a piston rod 132, a vertical roller 133, a one-way exhaust valve 134, a one-way intake valve 135, a perforated exhaust plate 136, and a rigid pipe 137. A cylinder 131 is installed on the side of the discharge ramp 3 near the fixed cylinder 4. A piston rod 132 is slidably installed inside the cylinder 131. A vertical roller 133 is rotatably mounted on the rod 132. A one-way exhaust valve 134 and a one-way intake valve 135 are installed on one side of the cylinder body 131. The one-way exhaust valve 134 and the one-way intake valve 135 are connected to the cylinder body 131. A perforated exhaust plate 136 is fixedly installed on the side of the frame 1 away from the hydraulic rod 112. A rigid pipe 137 connects the one-way exhaust valve 134 and the perforated exhaust plate 136. The one-way exhaust valve 134 and the perforated exhaust plate 136 are connected through the rigid pipe 137.

[0047] When the rotating drum 5 drives the corrugated groove frame 81 to rotate, the corrugated grooves of the corrugated groove frame 81 drive the vertical roller 133 and piston rod 132 to reciprocate within the cylinder 131. When the piston rod 132 moves away from the discharge ramp 3, outside air enters the cylinder 131 through the one-way air intake valve 135. When the piston rod 132 moves closer to the discharge ramp 3, the air in the cylinder 131 is discharged through the one-way exhaust valve 134 from the rigid pipe 137 and the perforated exhaust plate 136 to one of the discharge troughs 61, thereby enabling the discharge trough 61 to discharge the air inside. Impurities are removed; the vertical roller 133 and piston rod 132 move back and forth in the cylinder 131 through the corrugated groove on the corrugated groove frame 81. Under the push of the piston rod 132, the air in the cylinder 131 is discharged to the discharge trough 61 through the one-way exhaust valve 134 from the rigid pipe 137 and the perforated exhaust plate 136, thereby effectively removing impurities in the discharge trough 61 and avoiding the accumulation of impurities that cause the bar stock 21 to be placed unevenly. This ensures that the position of each bar stock 21 is accurate and consistent, which helps to improve the accuracy and smoothness of subsequent operations and ensures the quality and efficiency of the cold heading process.

[0048] Although this disclosure has been shown and described with reference to specific exemplary embodiments thereof, those skilled in the art will understand that various changes in form and detail may be made to this disclosure without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents. Therefore, the scope of this disclosure should not be limited to the above embodiments, but should be defined not only by the appended claims, but also by their equivalents.

Claims

1. A processing device for internal hexagonal flange bolts, characterized in that it includes: It has a frame (1), a hopper (2), a discharge ramp (3), a fixed cylinder (4), a rotating cylinder one (5), a rotating cylinder two (6), a discharge trough (61), a drive mechanism, a feeding mechanism, a pushing mechanism and a cold heading mechanism; Among them, a hopper (2) is installed on the frame (1), and a bar stock (21) is installed in the hopper (2). A discharge ramp (3) is installed at the bottom of the frame (1). A fixed cylinder (4) is installed on the side of the frame (1) away from the discharge ramp (3). A rotating cylinder (5) is rotatably installed on the fixed cylinder (4). A rotating cylinder (6) is installed on one side of the fixed cylinder (4). Four feeding slots (61) are evenly spaced on the rotating cylinder (6). A driving mechanism is provided on the frame (1) and the rotating cylinder (5). The driving mechanism is used to drive the rotating cylinder (5) to rotate. A feeding mechanism is provided on the hopper (2) and the rotating cylinder (5). A pushing mechanism is provided on the fixed cylinder (4), the rotating cylinder (5) and the rotating cylinder (6). A cold heading mechanism is provided on the frame (1) and the rotating cylinder (6). The feeding mechanism includes a corrugated groove frame (81), a U-shaped baffle plate (82), a lower baffle plate (83), and a feeding roller (84). A corrugated groove frame (81) is fixedly installed on the rotating drum (5). A corrugated groove is opened on the corrugated groove frame (81). A U-shaped baffle plate (82) and two lower baffle plates (83) are slidably provided on the hopper (2). One side of the U-shaped baffle plate (82) is fixedly connected to the two lower baffle plates (83). A feeding roller (84) is rotatably provided on the other side of the U-shaped baffle plate (82). The feeding roller (84) is located in the corrugated groove on the corrugated groove frame (81). The feeding mechanism includes a guide rail (102), a feeding rod (103) and a feeding roller (104). A drive groove is opened on the fixed cylinder (4). Four guide rails (102) are evenly spaced inside the rotating cylinder (5). A feeding rod (103) is slidably provided on each guide rail (102). One end of the feeding rod (103) is slidably connected to the rotating cylinder (6). The four feeding rods (103) are located in the four feeding slots (61) respectively. The other end of each of the four feeding rods (103) is rotatably provided with a feeding roller (104). The four feeding rollers (104) are located in the drive groove and move along the drive groove. The cold heading mechanism includes a cold heading female seat (111), a hydraulic rod (112), a connecting plate (113), and a cold heading male seat (114). A cold heading female seat (111) is fixedly installed at each of the four material feeding slots (61). Two hydraulic rods (112) are fixedly installed on one side of the frame (1) near the discharge inclined plate (3). A connecting plate (113) is installed between the telescopic rods of the two hydraulic rods (112). A cold heading male seat (114) is fixedly installed on the connecting plate (113).

2. The internal hexagonal flange bolt processing device according to claim 1, characterized in that, The drive mechanism includes a gear ring (71), a servo motor (72) and a gear (73). A gear ring (71) is fixedly installed on the rotating drum (5). A servo motor (72) is installed on the side of the frame (1) away from the discharge inclined plate (3). A gear (73) is installed on the output shaft of the servo motor (72). The gear (73) meshes with the gear ring (71).

3. The internal hexagonal flange bolt processing device according to claim 2, characterized in that, The drive groove on the fixed cylinder (4) consists of straight groove one (1011), straight groove two (1012), straight groove three (1013), inclined groove one (1014), inclined groove two (1015) and inclined groove three (1016). Straight groove one (1011) is close to the hopper (2), straight groove two (1012) is close to the cold heading male seat (114), straight groove three (1013) is close to the discharge inclined plate (3), inclined groove one (1014) is located between straight groove one (1011) and straight groove two (1012), inclined groove two (1015) is located between straight groove two (1012) and straight groove three (1013), and inclined groove three (1016) is located between straight groove three (1013) and straight groove one (1011).

4. The internal hexagonal flange bolt processing device according to claim 3, characterized in that, It also includes a clamping mechanism, which is set on the frame (1) and the connecting plate (113). The clamping mechanism is used to clamp the bar stock (21) during the cold heading process. The clamping mechanism includes a clamping frame (121), a fixing plate (123) and a clamping roller (124). A clamping frame (121) is slidably provided on the side of the frame (1) near the hydraulic rod (112). A guide groove (122) is opened on the clamping frame (121). Two fixing plates (123) are installed on the side of the connecting plate (113) near the clamping frame (121). A clamping roller (124) is rotatably connected between the two fixing plates (123).

5. A processing device for internal hexagonal flange bolts according to claim 4, characterized in that, The guide groove (122) consists of a horizontal groove and an inclined groove, and the pressing roller (124) is located in the inclined groove of the guide groove (122).

6. The internal hexagonal flange bolt processing device according to claim 5, characterized in that, It also includes a cleaning mechanism, which is set on the frame (1), the discharge ramp (3) and the corrugated trough frame (81). The cleaning mechanism is used to clean impurities in the discharge trough (61).

7. A processing device for internal hexagonal flange bolts according to claim 6, characterized in that, The cleaning mechanism includes a cylinder block (131), a piston rod (132), a vertical roller (133), a one-way exhaust valve (134), a one-way intake valve (135), a perforated exhaust plate (136), and a rigid pipe (137). Among them, a cylinder (131) is installed on the side of the discharge inclined plate (3) near the fixed cylinder (4). A piston rod (132) is slidably installed inside the cylinder (131). A vertical roller (133) is rotatably installed on the piston rod (132). A one-way exhaust valve (134) and a one-way intake valve (135) are installed on one side of the cylinder (131). A perforated exhaust plate (136) is fixedly installed on the side of the frame (1) away from the hydraulic rod (112). A rigid pipe (137) is connected between the one-way exhaust valve (134) and the perforated exhaust plate (136).

Images