A double-end cold heading and stamping device

Abstract

The application discloses a double-end cold upsetting stamping equipment and belongs to the technical field of upsetting equipment, which comprises a rack, a double-end cold upsetting stamping mechanism and an upper die mechanism, the double-end cold upsetting stamping mechanism is installed on the surface of the rack, and the upper die mechanism is installed above the rack; the surface of the rack is installed with a lower die mechanism, the lower die mechanism comprises a lower die body used for placing workpieces and a material lifting assembly used for jacking the workpieces, and the material lifting assembly is connected with the lower die body; the lower die body is installed with a waste collecting mechanism used for collecting upsetting waste materials on both sides, the material lifting assembly is connected with the waste collecting mechanism below, and the waste collecting mechanism is used for driving the upsetting waste materials to slide downward along the waste collecting mechanism. Through the above mode, automatic feeding, discharging, detection, upsetting waste collecting and workpiece sorting and conveying during the workpiece upsetting process are realized, and the problems that the existing double-end cold upsetting stamping equipment cannot automatically collect the upsetting waste materials and cannot sort and convey the workpieces are solved.

Description

Technical Field

[0001] This invention relates to the field of upsetting equipment technology, specifically to a double-head cold upsetting stamping equipment. Background Technology

[0002] In the automotive parts, construction machinery, and standard parts manufacturing industries, there is a huge demand for double-ended studs, drive shafts, and various shaft parts with bosses at both ends. Double-ended cold heading stamping equipment, as the core forming equipment for these parts, utilizes punches at both ends to simultaneously apply pressure to the bar stock in the horizontal direction, causing the metal material to plastically flow within the mold cavity, thereby forming the required head or flange structure at both ends of the bar stock in one step. Compared to traditional single-ended step-by-step heading or machining, double-ended heading has significant advantages such as high production efficiency, high material utilization, good product mechanical properties, and excellent coaxiality at both ends, and is widely used in industrial mass production. However, in actual production applications, the existing double-head upsetting equipment still has the following drawbacks: During the double-head upsetting process, the metal bar is inevitably squeezed in the die gap, producing thin or curled upsetting waste such as burrs and flash. Because the working space between the die and the upsetting head is extremely narrow, existing equipment mostly relies on fixed inclined chutes, allowing the waste to slide off naturally under gravity. In actual high-speed production, these irregularly shaped wastes easily hook and bridge each other in the narrow passage, causing serious blockages. Once the waste accumulates, it will not only directly interfere with the normal closing of the upper and lower dies, causing workpiece damage, but may even lead to punch displacement or die damage. Traditional solutions often rely on manual periodic shutdowns for cleaning, and cannot automatically clean up the waste. Due to factors such as material and mold wear or pressure fluctuations, defects such as surface cracks, misaligned upsetting heads, or out-of-tolerance dimensions are easily generated. In the online inspection of the surface quality of workpieces after upsetting, the existing equipment ejects the workpieces and they fall directly into the same collection box, resulting in a mixture of qualified and defective products. Subsequent visual inspection and manual sorting not only significantly increase labor costs but also easily lead to missed inspections, directly affecting the yield rate of the finished products. Based on this, the present invention designs a double-head cold heading stamping device to solve the above problems. Summary of the Invention

[0003] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a double-head cold heading stamping device.

[0004] To achieve the above objectives, the present invention provides the following technical solution: A double-head cold heading stamping machine includes a frame, a double-head cold heading stamping mechanism, an upper die mechanism, and a support frame. The double-head cold heading stamping mechanism is installed on the surface of the frame, the upper die mechanism is installed above the frame, and the support frame is fixedly installed on the surface of the frame. The surface of the frame is equipped with a lower mold mechanism, which includes a lower mold body for placing the workpiece and a lifting assembly for lifting the workpiece. The lifting assembly is connected to the lower mold body, and the lower mold body is fixedly connected to the frame. The lower die body is equipped with waste collection mechanisms on both sides for collecting upsetting waste. The top material assembly is connected to the waste collection mechanism below to drive the upsetting waste to slide down along the waste collection mechanism. A workpiece transfer mechanism for loading and unloading is installed above the frame; The surface of the frame is equipped with a feeding mechanism for conveying workpieces toward the workpiece transfer mechanism and a sorting unloading mechanism for sorting workpieces. The feeding mechanism and the sorting unloading mechanism are distributed on the left and right sides of the lower mold body. The sorting unloading mechanism includes an angle-adjustable conveying component, a first auxiliary detection component, a second auxiliary detection component, a first inclined guide frame and a second inclined guide frame. The second inclined guide frame is fixedly installed below the first inclined guide frame. The adjustable guide frame is installed on the side wall of the frame. The second auxiliary detection component and the first auxiliary detection component are installed above the support frame and distributed on both sides of the angle-adjustable conveying component. A visual inspection mechanism for detecting surface defects of workpieces is installed above the frame, and the visual inspection mechanism is distributed above the sorting and unloading mechanism. Furthermore, the upper surface of the lower mold body is provided with a mold groove for placing the workpiece, the surface of the mold groove is provided with a receiving groove for installing the ejector assembly, and the side wall of the lower mold body is provided with an elastic limiting structure connected to the waste collection mechanism. Furthermore, the top material assembly includes an arc-shaped sleeve, a lifting frame, a sliding rod, and a first spring. The lifting frame is fixedly installed below the arc-shaped sleeve, the sliding rod is fixedly installed below the lifting frame, the waste collection mechanism is connected to the lower part of the lifting frame, and the two ends of the first spring abut against the lifting frame and the receiving groove, respectively. Furthermore, the waste collection mechanism includes a waste diversion hopper, a first rotating shaft, a swing block, and a second spring. The waste diversion hopper and the swing block are respectively fixedly installed at both ends of the first rotating shaft. The lower part of the lifting frame contacts the upper part of the swing block. One end of the second spring is fixedly connected to the waste diversion hopper, and the other end is connected to the elastic limiting structure. Furthermore, the elastic limiting structure includes a bracket and a second elastic damping block and a first elastic damping block for elastically limiting the upper and lower sides of the waste diversion hopper, respectively. The second elastic damping block and the first elastic damping block are both fixedly installed on the surface of the bracket, the bracket is fixedly installed on the side wall of the lower mold body, and the end of the second spring away from the waste diversion hopper is fixedly connected to the bracket. Furthermore, the angle-adjustable conveying assembly includes an adjustable guide frame, a second rotating shaft, and a second electric telescopic rod. The adjustable guide frame is fixedly connected to the second rotating shaft on the side near the lower mold body. One end of the second electric telescopic rod is hinged to the side wall of the frame, the second rotating shaft is rotatably connected to the side wall of the frame, and the other end of the second electric telescopic rod is hinged below the adjustable guide frame. Furthermore, the first auxiliary detection component includes a first servo electric cylinder, a first sliding frame, a drive motor, and a first clamping block. The first sliding frame is fixedly installed at the output end of the first servo electric cylinder, the drive motor is fixedly installed above the first sliding frame, the first clamping block is fixedly installed at the output end of the drive motor, and horizontal guide rails are fixedly installed above both of the support frames. The first servo electric cylinder is fixedly installed above the horizontal guide rail on one side of the adjustable guide frame, the first sliding frame is slidably connected to the upper surface of the horizontal guide rail on one side, and the second auxiliary detection component is installed above the horizontal guide rail on the other side of the adjustable guide frame. Furthermore, the second auxiliary detection component includes a second servo electric cylinder, a second sliding frame, a rotating rod, and a second clamping block. The second servo electric cylinder is fixedly installed above the horizontal guide rail, the second sliding frame is fixedly installed at the output end of the second servo electric cylinder, the second sliding frame is slidably connected to the upper surface of the horizontal guide rail on the other side, one end of the rotating rod is rotatably connected to the surface of the second sliding frame, and the second clamping block is fixedly installed at the other end of the rotating rod. Furthermore, the sorting and feeding mechanism also includes a fixed frame, a U-shaped frame, and a baffle frame. The fixed frame is fixedly installed on the side wall of the machine frame, the baffle frame is fixedly installed below the end of the first inclined guide frame away from the adjustable guide frame, and the upper and lower sides of the U-shaped frame are fixedly connected to the first inclined guide frame and the second inclined guide frame, respectively. Furthermore, the workpiece transfer mechanism includes a linear module, a horizontal moving frame, a first electric telescopic rod, a movable plate, and electric grippers. The linear module is fixedly installed above the frame, the horizontal moving frame is fixedly installed at the output end below the linear module, the first electric telescopic rod is fixedly installed on the surface of the horizontal moving frame, the movable plate is fixedly installed at the output end below the first electric telescopic rod, and two sets of electric grippers are fixedly installed on the surface of the movable plate.

[0005] Compared with the prior art, the beneficial effects of this invention are as follows: 1. By setting up the top material component, when the upper die mechanism controls the upper die body to rise, the top material component can automatically lift the upset workpiece upward, making it easier for the workpiece transfer mechanism to pick up the material. When the upper die mechanism controls the upper die body to move downward and contact the upper part of the lower die body, the top material component automatically descends and resets. The lifting and lowering action of the top material component can drive the waste collection mechanism to vibrate up and down at a certain frequency, so that the upset waste can slide down the waste collection mechanism into the collection container better, preventing the upset waste from accumulating in the waste collection mechanism. In this way, the volume of the waste collection container can be made very large, without being limited by the narrow space between the lower die body and the upset head, and more upset waste can be collected, reducing the frequency of replacing the waste collection container, thus solving the problem of existing double-head cold upset stamping equipment that cannot automatically clean up upset waste; 2. This invention, through the setting of a sorting and unloading mechanism, initially positions the upper part of the first inclined guide frame higher than the lower part of the angle-adjustable conveyor assembly. When the upset workpiece rolls along the angle-adjustable conveyor assembly, it is blocked by the upper part of the first inclined guide frame. At this time, the vision inspection mechanism can inspect the stationary workpiece. The first and second auxiliary inspection components work together to adjust the angle around the workpiece's axis, facilitating a comprehensive inspection of the workpiece surface by the vision inspection mechanism. When the inspection result indicates surface quality defects in the workpiece, the angle-adjustable conveyor assembly rotates downwards by a preset angle. The adjustable angle allows the workpiece to enter the surface of the second inclined guide frame and then roll along the surface of the second inclined guide frame to the defective product collection box located below it. When the test result shows that the workpiece is qualified, the angle-adjustable conveying component rotates upward by a preset angle, allowing the workpiece to roll to the surface of the first inclined guide frame and then roll along the surface of the first inclined guide frame to the qualified product collection box located below it. This realizes automatic feeding, unloading, testing, upsetting waste collection and workpiece sorting and conveying during the workpiece upsetting process, and solves the problems of existing double-head cold upsetting stamping equipment being unable to automatically collect upsetting waste and sort and convey workpieces. Attached Figure Description

[0006] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0007] Figure 1 This is a first perspective view of a double-head cold heading stamping device according to the present invention; Figure 2This is a second perspective view of a double-head cold heading stamping device according to the present invention; Figure 3 This is a perspective view showing the cooperation of the double-head cold heading stamping mechanism, lower die mechanism, waste collection mechanism, upper die mechanism, workpiece transfer mechanism, feeding mechanism and sorting unloading mechanism of the present invention; Figure 4 This is a cross-sectional view showing the cooperation between the lower mold mechanism and the waste collection mechanism of the present invention; Figure 5 This is a perspective view of the lower mold mechanism and waste collection mechanism of the present invention in cooperation; Figure 6 This is a perspective view of the workpiece transfer mechanism and the feeding mechanism of the present invention in cooperation; Figure 7 This is a perspective view of the sorting and feeding mechanism of the present invention. Figure 8 This is a perspective view of the angle-adjustable conveying assembly, the first inclined guide frame, and the second inclined guide frame of the present invention in combination. Figure 9 This is a perspective view of the first auxiliary detection component of the present invention; Figure 10 This is a perspective view of the second auxiliary detection component of the present invention.

[0008] The labels in the diagram represent: 1. Frame; 2. Double-headed cold heading stamping mechanism; 21. First hydraulic cylinder; 22. Heading head; 3. Lower die mechanism; 31. Lower die body; 311. Die groove; 312. Receiving groove; 32. Arc-shaped sleeve; 33. Lifting frame; 34. Slide rod; 35. First spring; 36. Bracket; 37. First elastic damping block; 38. Second elastic damping block; 4. Waste collection mechanism; 41. Waste diversion hopper; 42. First rotating shaft; 43. Swing block; 44. Second spring; 5. Upper die mechanism; 51. Upper die body; 52. Second hydraulic cylinder; 6. Workpiece transfer mechanism; 61. Linear module; 62. Horizontal moving frame; 63. First electric telescopic rod; 64. Movable plate; 65. Electric gripper 7. Feeding mechanism; 71. Conveyor frame; 72. Arc-shaped temporary storage frame; 8. Sorting unloading mechanism; 81. Adjustable guide frame; 82. Second rotating shaft; 83. Second electric telescopic rod; 84. First inclined guide frame; 85. Second inclined guide frame; 86. Guide frame; 87. C-shaped frame; 88. First auxiliary detection component; 881. First servo electric cylinder; 882. First sliding frame; 883. Drive motor; 884. First clamping block; 89. Second auxiliary detection component; 891. Second servo electric cylinder; 892. Second sliding frame; 893. Rotating rod; 894. Second clamping block; 810. Fixed frame; 9. Vision inspection mechanism; 10. Bearing frame; 101. Horizontal guide rail. Detailed Implementation

[0009] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0010] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-10 A double-head cold heading stamping device includes a frame 1, a double-head cold heading stamping mechanism 2, an upper die mechanism 5, and a support frame 10. The double-head cold heading stamping mechanism 2 is installed on the surface of the frame 1, the upper die mechanism 5 is installed above the frame 1, and the support frame 10 is fixedly installed on the surface of the frame 1. The surface of the frame 1 is equipped with a lower mold mechanism 3. The lower mold mechanism 3 includes a lower mold body 31 for placing the workpiece and a lifting assembly for lifting the workpiece. The lifting assembly is connected to the lower mold body 31, and the lower mold body 31 is fixedly connected to the frame 1. Waste collection mechanisms 4 for collecting upsetting waste are installed on both sides of the lower mold body 31. The top material assembly is connected to the waste collection mechanism 4 below to drive the upsetting waste to slide down along the waste collection mechanism 4. A workpiece transfer mechanism 6 for loading and unloading is installed above the frame 1; The surface of the frame 1 is equipped with a feeding mechanism 7 for conveying workpieces toward the workpiece transfer mechanism 6 and a sorting unloading mechanism 8 for sorting workpieces. The feeding mechanism 7 and the sorting unloading mechanism 8 are distributed on the left and right sides of the lower mold body 31. The sorting unloading mechanism 8 includes an angle-adjustable conveying component, a first auxiliary detection component 88, a second auxiliary detection component 89, a first inclined guide frame 84 and a second inclined guide frame 85. The second inclined guide frame 85 is fixedly installed below the first inclined guide frame 84. The adjustable guide frame 81 is installed on the side wall of the frame 1. The second auxiliary detection component 89 and the first auxiliary detection component 88 are installed above the support frame 10 and distributed on both sides of the angle-adjustable conveying component. A visual inspection mechanism 9 for detecting defects on the surface of workpieces is installed above the frame 1. The visual inspection mechanism 9 is distributed above the sorting and unloading mechanism 8. The feeding mechanism 7 includes a conveyor frame 71 and an arc-shaped temporary storage frame 72. The arc-shaped temporary storage frame 72 is fixedly installed at one end of the conveyor frame 71 near the workpiece transfer mechanism 6, and the conveyor frame 71 is fixedly installed on the surface of the frame 1. The double-head cold heading stamping mechanism 2 includes a first hydraulic cylinder 21 and an upsetting head 22. The first hydraulic cylinder 21 is fixedly installed on the surface of the frame 1, and the upsetting head 22 is fixedly installed on the output end of the first hydraulic cylinder 21. The upsetting head 22 is slidably connected to the surface of the frame 1. The upper mold mechanism 5 includes an upper mold body 51 and a second hydraulic cylinder 52. The second hydraulic cylinder 52 is fixedly installed above the frame 1, and the upper mold body 51 is fixedly installed at the output end below the second hydraulic cylinder 52. In this embodiment, when a double-head cold heading stamping equipment is in normal use, a belt conveyor sequentially transports workpieces to the surface of a conveyor frame 71 at a preset frequency. Rollers are installed on the surface of the conveyor frame 71. The workpieces roll along the rollers on the surface of the conveyor frame 71 to a position within the arc-shaped temporary storage rack 72. Through the workpiece transfer mechanism 6, the workpieces in the arc-shaped temporary storage rack 72 are removed and placed into the lower die body 31. Simultaneously, the upsetting workpieces in the lower die body 31 are also removed. While the workpiece transfer mechanism 6 places the upsetting workpieces above the angle-adjustable conveyor assembly, it can also place the workpieces to be upset into the lower die body 31. Furthermore, while the visual inspection mechanism 9 performs defect detection on the workpiece surface, the first... The hydraulic cylinder 21 controls the horizontal movement of the upsetting head 22 to upset the workpiece. During upsetting, the upsetting waste on the surface of the workpiece falls into the waste collection mechanism 4 under gravity. This allows for simultaneous loading and unloading, as well as simultaneous upsetting and inspection. Through the setting of the ejector assembly, when the upper die mechanism 5 controls the upper die body 51 to rise, the ejector assembly can automatically lift the upset workpiece upwards, facilitating the workpiece transfer mechanism 6 to retrieve it. When the upper die mechanism 5 controls the upper die body 51 to move downwards and contact the upper part of the lower die body 31, the ejector assembly automatically descends and resets. The lifting and lowering action of the ejector assembly drives the waste collection mechanism 4 to vibrate up and down at a certain frequency, allowing the upsetting waste to slide better along the waste collection mechanism 4. The workpiece is placed into a collection container to prevent upsetting waste from accumulating in the waste collection mechanism 4. Through the sorting and unloading mechanism 8, in the initial state, the angle-adjustable conveyor assembly is tilted downwards at a preset angle, so that the upper part of the first inclined guide frame 84 is higher than the lower part of the angle-adjustable conveyor assembly. When the upset workpiece rolls along the angle-adjustable conveyor assembly, it is blocked by the upper part of the first inclined guide frame 84. At this time, the vision inspection mechanism 9 can inspect the stationary workpiece. The first auxiliary inspection component 88 and the second auxiliary inspection component 89 work together to adjust the angle around the workpiece's axis, facilitating a comprehensive inspection of the workpiece surface by the vision inspection mechanism 9. When the inspection result shows that the workpiece has surface defects... When a surface quality defect is detected, the angle-adjustable conveying component rotates downward by a preset angle, allowing the workpiece to enter the surface of the second inclined guide frame 85, and then roll along the surface of the second inclined guide frame 85 to the defective product collection box located below it. When the inspection result shows that the workpiece is qualified, the angle-adjustable conveying component rotates upward by a preset angle, allowing the workpiece to roll onto the surface of the first inclined guide frame 84, and then roll along the surface of the first inclined guide frame 84 to the qualified product collection box located below it. This realizes automatic feeding, unloading, inspection, upsetting waste collection, and workpiece sorting and conveying during the workpiece upsetting process, solving the problems of existing double-head cold upsetting stamping equipment being unable to automatically collect upsetting waste and unable to sort and convey workpieces.

[0011] Example 2: In some embodiments, such as Figures 1-10 As shown, in a preferred embodiment of the present invention, the upper surface of the lower mold body 31 is provided with a mold groove 311 for placing the workpiece, the surface of the mold groove 311 is provided with a receiving groove 312 for installing the ejector assembly, and the side wall of the lower mold body 31 is provided with an elastic limiting structure connected to the waste collection mechanism 4. The top material assembly includes an arc-shaped sleeve 32, a lifting frame 33, a sliding rod 34 and a first spring 35. The lifting frame 33 is fixedly installed below the arc-shaped sleeve 32, the sliding rod 34 is fixedly installed below the lifting frame 33, the waste collection mechanism 4 is connected to the lower part of the lifting frame 33, and the two ends of the first spring 35 abut against the lifting frame 33 and the receiving groove 312 respectively. The waste collection mechanism 4 includes a waste diversion hopper 41, a first rotating shaft 42, a swing block 43, and a second spring 44. The waste diversion hopper 41 and the swing block 43 are respectively fixedly installed at both ends of the first rotating shaft 42. The lower part of the lifting frame 33 contacts the upper part of the swing block 43. One end of the second spring 44 is fixedly connected to the waste diversion hopper 41, and the other end is connected to the elastic limiting structure. The elastic limiting structure includes a bracket 36 and a second elastic damping block 38 and a first elastic damping block 37 for elastically limiting the upper and lower sides of the waste diversion hopper 41, respectively. The second elastic damping block 38 and the first elastic damping block 37 are both fixedly installed on the surface of the bracket 36. The bracket 36 is fixedly installed on the side wall of the lower mold body 31. The end of the second spring 44 facing away from the waste diversion hopper 41 is fixedly connected to the bracket 36. A waste collection container can be placed below the waste diversion hopper 41. The second elastic damping block 38 and the first elastic damping block 37 play the role of elastic damping or limiting, so that the waste diversion hopper 41 can only vibrate or swing within a preset angle range.

[0012] In this embodiment, after the workpiece transfer mechanism 6 places the workpiece into the arc-shaped sleeve 32, the second hydraulic cylinder 52 controls the upper mold body 51 to press down the workpiece and the arc-shaped sleeve 32, so that the arc-shaped sleeve 32 enters the receiving groove 312 and the workpiece enters the mold groove 311. At this time, the first spring 35 is in a compressed state, and the lifting frame 33 drives the waste material guide hopper 41 to tilt downward at a preset angle by pressing the swing block 43 downward. The waste material guide hopper 41 contacts the second elastic damping block 38 at an angle above, and the second spring 44 is in a stretched state. The first hydraulic cylinder 21 controls the upsetting head 22 to upset the workpiece from both ends simultaneously. During the upsetting process... The waste generated falls directly into the waste diversion hopper 41. After the second hydraulic cylinder 52 controls the upper mold body 51 to rise and reset, the elastic deformation of the second spring 44 drives the second spring 44 to contact the first elastic damping block 37. During this process, the waste diversion hopper 41 vibrates or swings, so that the waste in the waste diversion hopper 41 flows more smoothly and diagonally downward into the waste collection container below. In this way, the volume of the waste collection container can be made very large, without being limited by the narrow space between the lower mold body 31 and the upsetting head 22, and more upsetting waste can be collected, reducing the frequency of replacing the waste collection container.

[0013] Example 3: In some embodiments, such as Figures 1-10 As shown, in a preferred embodiment of the present invention, the angle-adjustable conveying assembly includes an adjustable guide frame 81, a second rotating shaft 82, and a second electric telescopic rod 83. The adjustable guide frame 81 is fixedly connected to the second rotating shaft 82 on the side near the lower mold body 31. One end of the second electric telescopic rod 83 is hinged to the side wall of the frame 1, the second rotating shaft 82 is rotatably connected to the side wall of the frame 1, and the other end of the second electric telescopic rod 83 is hinged to the bottom of the adjustable guide frame 81. The first auxiliary detection component 88 includes a first servo cylinder 881, a first sliding frame 882, a drive motor 883, and a first clamping block 884. The first sliding frame 882 is fixedly installed at the output end of the first servo cylinder 881. The drive motor 883 is fixedly installed above the first sliding frame 882. The first clamping block 884 is fixedly installed at the output end of the drive motor 883. Horizontal guide rails 101 are fixedly installed above both of the two support frames 10. The first servo cylinder 881 is fixedly installed above the horizontal guide rail 101 on one side of the adjustable guide frame 81. The first sliding frame 882 is slidably connected to the upper surface of the horizontal guide rail 101 on one side. The second auxiliary detection component 89 is installed above the horizontal guide rail 101 on the other side of the adjustable guide frame 81. The second auxiliary detection component 89 includes a second servo cylinder 891, a second sliding frame 892, a rotating rod 893, and a second clamping block 894. The second servo cylinder 891 is fixedly installed above the horizontal guide rail 101. The second sliding frame 892 is fixedly installed at the output end of the second servo cylinder 891. The second sliding frame 892 is slidably connected to the upper surface of the horizontal guide rail 101 on the other side. One end of the rotating rod 893 is rotatably connected to the surface of the second sliding frame 892. The second clamping block 894 is fixedly installed at the other end of the rotating rod 893. The sorting and feeding mechanism 8 also includes a fixed frame 810, a U-shaped frame 87, and a baffle frame 86. The fixed frame 810 is fixedly installed on the side wall of the frame 1, and the baffle frame 86 is fixedly installed below the end of the first inclined guide frame 84 away from the adjustable guide frame 81. The upper and lower sides of the U-shaped frame 87 are fixedly connected to the first inclined guide frame 84 and the second inclined guide frame 85, respectively. The workpiece transfer mechanism 6 includes a linear module 61, a horizontal moving frame 62, a first electric telescopic rod 63, a movable plate 64, and electric grippers 65. The linear module 61 is fixedly installed above the frame 1. The horizontal moving frame 62 is fixedly installed at the output end below the linear module 61. The first electric telescopic rod 63 is fixedly installed on the surface of the horizontal moving frame 62. The movable plate 64 is fixedly installed at the output end below the first electric telescopic rod 63. Two sets of electric grippers 65 are fixedly installed on the surface of the movable plate 64. In this embodiment, the linear module 61 controls the movement of two sets of electric grippers 65, and the first electric telescopic rod 63 simultaneously controls the up-and-down movement of the two sets of electric grippers 65. One set of electric grippers 65 is used to grip the workpiece in the arc-shaped temporary storage rack 72, and the other set of electric grippers 65 is used to grip the upset workpiece in the arc-shaped clamp 32. This allows for the unloading of the upset workpiece during the loading process, and also allows the upset workpiece to be placed on the surface of the adjustable guide frame 81. The second electric telescopic rod 83 controls the adjustable guide frame 81 to rotate downwards by a preset angle around the second rotating shaft 82. When the upset workpiece rolls along the adjustable guide frame 81, it can be blocked obliquely upwards by the first inclined guide frame 84. At this time, the vision inspection mechanism 9 can detect the stationary workpiece. The upper half of the moving workpiece is inspected. Then, the first servo electric cylinder 881 and the second servo electric cylinder 891 drive the first clamping block 884 and the second clamping block 894 to clamp the workpiece through the first sliding frame 882 and the second sliding frame 892 respectively. Then, the drive motor 883 controls the first clamping block 884, the workpiece, the second clamping block 894 and the rotating rod 893 to rotate 180 degrees, so that the vision inspection mechanism 9 can inspect the lower half of the workpiece, realizing the comprehensive inspection of the workpiece. Since the upset workpiece is similar in shape to a pulley, the adjustable guide frame 81, the first inclined guide frame 84 and the second inclined guide frame 85 can limit the two ends of the workpiece, so there will be no axial displacement or accidental drop during the rolling process. When the inspection result shows that the workpiece has surface quality defects, the adjustable guide frame 81 rotates downward by a preset angle, allowing the workpiece to enter the surface of the second inclined guide frame 85, and then roll along the surface of the second inclined guide frame 85 to the defective product collection box located below it; when the inspection result shows that the workpiece is qualified, the adjustable guide frame 81 rotates upward by a preset angle, allowing the workpiece to roll to the surface of the first inclined guide frame 84, and then roll along the surface of the first inclined guide frame 84 to the qualified product collection box located below it. This realizes automatic feeding, unloading, inspection, upsetting waste collection and workpiece sorting and conveying during the workpiece upsetting process, solving the problems of existing double-head cold upsetting stamping equipment being unable to automatically collect upsetting waste and unable to sort and convey workpieces.

[0014] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A double-head cold heading stamping device, comprising a frame (1), a double-head cold heading stamping mechanism (2), an upper die mechanism (5), and a support frame (10), wherein the double-head cold heading stamping mechanism (2) is mounted on the surface of the frame (1), the upper die mechanism (5) is mounted above the frame (1), and the support frame (10) is fixedly mounted on the surface of the frame (1), characterized in that: The frame (1) is equipped with a lower mold mechanism (3). The lower mold mechanism (3) includes a lower mold body (31) for placing the workpiece and a lifting assembly for lifting the workpiece. The lifting assembly is connected to the lower mold body (31), and the lower mold body (31) is fixedly connected to the frame (1). Waste collection mechanisms (4) for collecting upsetting waste are installed on both sides of the lower die body (31). The top material assembly is connected to the waste collection mechanism (4) below to drive the upsetting waste to slide down along the waste collection mechanism (4). A workpiece transfer mechanism (6) for loading and unloading is installed above the frame (1). The surface of the frame (1) is equipped with a feeding mechanism (7) for conveying workpieces toward the workpiece transfer mechanism (6) and a sorting unloading mechanism (8) for sorting workpieces. The feeding mechanism (7) and the sorting unloading mechanism (8) are distributed on the left and right sides of the lower mold body (31). The sorting unloading mechanism (8) includes an angle-adjustable conveying assembly, a first auxiliary detection assembly (88), a second auxiliary detection assembly (89), a first inclined guide frame (84), and a second inclined guide frame (85). The second inclined guide frame (85) is fixedly installed below the first inclined guide frame (84). The adjustable guide frame (81) is installed on the side wall of the frame (1). The second auxiliary detection assembly (89) and the first auxiliary detection assembly (88) are installed above the support frame (10) and distributed on both sides of the angle-adjustable conveying assembly. A visual inspection mechanism (9) for detecting defects on the surface of workpieces is installed above the frame (1), and the visual inspection mechanism (9) is distributed above the sorting and unloading mechanism (8).

2. The double-head cold heading stamping equipment according to claim 1, characterized in that, The upper surface of the lower mold body (31) is provided with a mold groove (311) for placing the workpiece, and the surface of the mold groove (311) is provided with a receiving groove (312) for installing the ejector assembly. The side wall of the lower mold body (31) is provided with an elastic limiting structure connected to the waste collection mechanism (4).

3. The double-head cold heading stamping equipment according to claim 2, characterized in that, The top material assembly includes an arc-shaped sleeve (32), a lifting frame (33), a sliding rod (34), and a first spring (35). The lifting frame (33) is fixedly installed below the arc-shaped sleeve (32), the sliding rod (34) is fixedly installed below the lifting frame (33), the waste collection mechanism (4) is connected to the lower part of the lifting frame (33), and the two ends of the first spring (35) abut against the lifting frame (33) and the receiving groove (312) respectively.

4. The double-head cold heading stamping equipment according to claim 3, characterized in that, The waste collection mechanism (4) includes a waste diversion hopper (41), a first rotating shaft (42), a swing block (43), and a second spring (44). The waste diversion hopper (41) and the swing block (43) are respectively fixedly installed at both ends of the first rotating shaft (42). The lower part of the lifting frame (33) contacts the upper part of the swing block (43). One end of the second spring (44) is fixedly connected to the waste diversion hopper (41), and the other end is connected to the elastic limiting structure.

5. The double-head cold heading stamping equipment according to claim 4, characterized in that, The elastic limiting structure includes a bracket (36) and a second elastic damping block (38) and a first elastic damping block (37) for elastically limiting the upper and lower sides of the waste diversion hopper (41), respectively. The second elastic damping block (38) and the first elastic damping block (37) are both fixedly installed on the surface of the bracket (36). The bracket (36) is fixedly installed on the side wall of the lower mold body (31). The end of the second spring (44) away from the waste diversion hopper (41) is fixedly connected to the bracket (36).

6. The double-head cold heading stamping equipment according to claim 5, characterized in that, The angle-adjustable conveying assembly includes an adjustable guide frame (81), a second rotating shaft (82), and a second electric telescopic rod (83). The adjustable guide frame (81) is fixedly connected to the second rotating shaft (82) on the side near the lower mold body (31). One end of the second electric telescopic rod (83) is hinged to the side wall of the frame (1), the second rotating shaft (82) is rotatably connected to the side wall of the frame (1), and the other end of the second electric telescopic rod (83) is hinged below the adjustable guide frame (81).

7. The double-head cold heading stamping equipment according to claim 6, characterized in that, The first auxiliary detection component (88) includes a first servo electric cylinder (881), a first sliding frame (882), a drive motor (883), and a first clamping block (884). The first sliding frame (882) is fixedly installed at the output end of the first servo electric cylinder (881). The drive motor (883) is fixedly installed above the first sliding frame (882). The first clamping block (884) is fixedly installed at the output end of the drive motor (883). Horizontal guide rails (101) are fixedly installed above both of the two support frames (10). The first servo electric cylinder (881) is fixedly installed above the horizontal guide rail (101) on one side of the adjustable guide frame (81). The first sliding frame (882) is slidably connected to the upper surface of the horizontal guide rail (101) on one side. The second auxiliary detection component (89) is installed above the horizontal guide rail (101) on the other side of the adjustable guide frame (81).

8. The double-head cold heading stamping equipment according to claim 7, characterized in that, The second auxiliary detection component (89) includes a second servo electric cylinder (891), a second sliding frame (892), a rotating rod (893), and a second clamping block (894). The second servo electric cylinder (891) is fixedly installed above the horizontal guide rail (101). The second sliding frame (892) is fixedly installed at the output end of the second servo electric cylinder (891). The second sliding frame (892) is slidably connected to the upper surface of the horizontal guide rail (101). One end of the rotating rod (893) is rotatably connected to the surface of the second sliding frame (892) on the other side. The second clamping block (894) is fixedly installed at the other end of the rotating rod (893).

9. The double-head cold heading stamping equipment according to claim 8, characterized in that, The sorting and feeding mechanism (8) also includes a fixed frame (810), a U-shaped frame (87) and a baffle frame (86). The fixed frame (810) is fixedly installed on the side wall of the frame (1). The baffle frame (86) is fixedly installed below the end of the first inclined guide frame (84) away from the adjustable guide frame (81). The U-shaped frame (87) is fixedly connected to the first inclined guide frame (84) and the second inclined guide frame (85) on its upper and lower sides, respectively.

10. The double-head cold heading stamping equipment according to claim 9, characterized in that, The workpiece transfer mechanism (6) includes a linear module (61), a horizontal moving frame (62), a first electric telescopic rod (63), a movable plate (64), and electric grippers (65). The linear module (61) is fixedly installed above the frame (1). The horizontal moving frame (62) is fixedly installed at the output end below the linear module (61). The first electric telescopic rod (63) is fixedly installed on the surface of the horizontal moving frame (62). The movable plate (64) is fixedly installed at the output end below the first electric telescopic rod (63). Two sets of electric grippers (65) are fixedly installed on the surface of the movable plate (64).

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