A rotary workpiece production line

Abstract

A rotary workpiece production line belongs to the technical field of column head processing equipment. It includes a drilling device and a lathe processing device, and is characterized in that it also includes a material dividing device (4), which is arranged between the drilling device and the lathe processing device. At least two lathe processing devices are arranged side by side. The material dividing device (4) is connected to the lathe processing device and distributes workpieces (14) to the corresponding lathe processing devices. At least two lathe processing devices are arranged in the rotary workpiece production line, so that at least two workpieces can be processed at the same time, and two workpieces of different models can be processed separately. The material dividing device can divide the materials for the lathe processing device, thereby realizing the automatic processing of the column head, greatly improving the processing efficiency, and can adjust the model of the processed workpiece according to the needs, which well meets the production needs.

Description

Technical Field

[0001] The invention discloses a rotary workpiece production line, belonging to the technical field of column head processing equipment. Background Art

[0002] The single hydraulic prop is composed of cylinder body, piston, valve and other parts. Among them, the three-way valve is the heart of the external injection single hydraulic prop, which is composed of one-way valve, unloading valve and safety valve. The one-way valve is used to supply liquid to the single hydraulic prop, the unloading valve is used to unload the single hydraulic prop back to the prop, and the safety valve ensures that the single hydraulic prop has constant resistance characteristics. The three-way valve is usually installed in the valve hole of the column head. The column head also plays the role of connecting the three-way valve with the inner cavity of the oil cylinder of the hydraulic prop. Therefore, the column head is an important part of the single hydraulic prop. In order to improve the processing efficiency of the column head, the column head is usually processed through a production line. However, due to the complex processing technology of the column head, the existing production line has low processing efficiency, and when reprocessing the column head, only the same type of column head can be produced, which is difficult to meet production needs. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a rotary workpiece production line that can realize automatic material separation, multiple lathe processing devices working independently, and high processing efficiency.

[0004] The technical solution adopted by the present invention to solve its technical problems is: the rotary workpiece production line includes a drilling device and a lathe processing device, and is characterized in that it also includes a material dividing device, which is arranged between the drilling device and the lathe processing device. There are at least two lathe processing devices arranged side by side. The material dividing device is connected to the lathe processing device and distributes workpieces to the corresponding lathe processing devices.

[0005] Preferably, the drilling device includes a transverse hole drilling device and a valve hole processing device, the transverse hole drilling device is arranged at the feed end of the material dividing device, and the valve hole processing device is arranged at the discharge end of the lathe processing device.

[0006] Preferably, the transverse hole drilling device comprises a transverse hole drilling fixture and a transverse hole drilling spindle box arranged on both sides of the transverse hole drilling fixture, and a drill bit is installed on the spindle of the transverse hole drilling spindle box.

[0007] Preferably, the horizontal hole drilling fixture includes a drilling bracket and a clamping cylinder. The upper part of the drilling bracket is provided with a drilling positioning groove with a concave middle part. The drilling positioning groove is a cone that gradually widens from bottom to top. The clamping cylinder is connected to a drilling clamping frame, and the drilling clamping frame is arranged on the upper side of the drilling bracket.

[0008] Preferably, the valve hole processing device includes a rotating device, a valve hole drilling device, a tool holder and a rolling device. The rotating device is provided with a valve hole drilling fixture. The rotating device is connected to a z-axis moving device and an x-axis moving device. The valve hole drilling device, the tool holder and the rolling device are arranged side by side along the x-axis direction.

[0009] Preferably, at least two rotating devices are arranged side by side, and the z-axis moving device corresponds to the rotating device one by one and is connected to the corresponding rotating device.

[0010] Preferably, the lathe processing device includes an external cylindrical lathe, a drilling lathe and an end face lathe which are arranged in sequence.

[0011] Preferably, it also includes a hook welding device arranged at the output end of the lathe processing device.

[0012] Preferably, the hook welding device includes a welding pressure head and a welding fixture. The welding pressure head is arranged opposite to the welding fixture. A hook positioning groove is arranged on the welding pressure head. The hook positioning groove is arranged toward the workpiece fixture. A hook fixing part is arranged on one side of the hook positioning groove. The welding pressure head is connected to a power device that pushes it to reciprocate in a direction close to or away from the welding fixture.

[0013] Preferably, two hook fixing blocks are spaced apart on one side of the welding pressure head facing the welding fixture to form the hook positioning groove.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The rotary workpiece production line is provided with at least two lathe processing devices, so that at least two workpieces can be processed simultaneously, and two workpieces of different models can be processed separately. The material dividing device can divide the materials for the lathe processing device, thereby realizing the automatic processing of the column head, greatly improving the processing efficiency, and being able to adjust the model of the workpiece to be processed as needed, which well meets the production needs.

[0016] 2. The horizontal hole drilling device can process the axial horizontal holes at both ends of the workpiece, and the valve hole processing device can process the valve hole for installing the three-way valve. The valve hole is processed after the lathe processing device, which ensures the accuracy of the valve hole processing.

[0017] 3. There are two spindle boxes for drilling horizontal holes on both sides of the horizontal hole drilling fixture, so that holes can be drilled from both ends of the workpiece at the same time, with high drilling efficiency. In combination with the horizontal hole drilling fixture, the horizontal holes at both ends can be drilled with high accuracy.

[0018] 4. The drilling positioning groove can position the workpiece, and the clamping cylinder pushes the drilling clamping frame to swing and clamp the workpiece. The workpiece is easy to clamp and release, which makes it convenient to load and remove the workpiece.

[0019] 5. A valve hole drilling fixture is provided on the rotary device, so as to drive the workpiece to rotate. The z-axis moving device and the x-axis moving device drive the rotary device to move, so that it cooperates with the drilling device, the tool holder and the rolling device in sequence to complete the valve hole drilling, valve hole turning and rolling operations of the workpiece in sequence. It can be clamped once, eliminating assembly errors, greatly improving the machining accuracy of the valve hole of the workpiece, and ensuring stable quality of the workpiece and high product qualification rate.

[0020] 6. There are two rotary devices arranged side by side, and the z-axis moving device corresponds to the rotary device one by one. When one rotary device is processing, the other rotary device can complete the workpiece clamping, thereby improving the work efficiency; there is only one x-axis moving device, which can drive the two rotary devices to move at the same time and realize the processing of the workpieces on the rotary devices one by one.

[0021] 7. The lathe processing device completes the outer circle turning, the horizontal hole turning and the end face turning of the workpiece in sequence, with a fast turning speed and a small turning error.

[0022] 8. The hook welding device can automatically complete the welding of the hook, greatly improving the automation level of the entire production line.

[0023] 9. The welding fixture can position and clamp the column head, the hook positioning groove can position the hook, which is convenient for loading the hook. The hook fixing part can fix the hook positioned in the hook positioning groove. The power device drives the welding pressure head to move and completes the welding between the column head and the hook, realizing automatic welding. The welding quality is not affected by the operator and the welding quality is stable.

[0024] 10. The two hook fixing blocks are arranged at intervals to form a hook positioning groove, so as to facilitate the adjustment of the width of the hook positioning groove to adapt to the welding of different types of hooks and column heads. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a top view schematic diagram of the rotary workpiece production line.

[0026] Figure 2 This is a schematic diagram of the main view of the silo.

[0027] Figure 3 It is a left view schematic diagram of the silo positioning device.

[0028] Figure 4 It is a front view schematic diagram of the blocking device.

[0029] Figure 5 It is a front view schematic diagram of the horizontal hole drilling device.

[0030] Figure 6 It is a left side schematic diagram of the horizontal hole drilling device.

[0031] Figure 7 It is a schematic diagram of the main view of the material distribution device.

[0032] Figure 8 It is a top view schematic diagram of the material distribution device.

[0033] Fig. 9 It is a left view schematic diagram of the material distribution device.

[0034] Fig.10 It is a schematic diagram of the main view of the valve hole processing device.

[0035] Fig.11 It is a left view schematic diagram of the valve hole processing device.

[0036] Fig.12 This is a schematic diagram of the main view of the robot.

[0037] Fig.13 This is a schematic diagram of the front view of the robot gripper installation.

[0038] Fig.14 This is a left view schematic diagram of the robot gripper installation.

[0039] Fig.15 It is a schematic diagram of the front view of the welding device.

[0040] Fig.16 It is a left side schematic diagram of the welding device.

[0041] Fig.17 for Fig.16 The area A in the middle is an enlarged view.

[0042] Fig.18 It is a schematic diagram of the main cross-sectional view of the welding pressure head.

[0043] In the figure: 1, lifting device 2, silo 3, horizontal hole drilling device 4, material dividing device 5, manipulator 6, external cylindrical lathe 7, drilling lathe 8, end face lathe 9, valve hole processing device 10, hook welding device 11, drilling frame 12, horizontal hole drilling spindle box 13, horizontal hole drilling fixture 14, workpiece 15, drilling bracket 16, drilling clamping frame 1601, drilling clamping part 17, clamping cylinder 18, silo frame 19, conveying trough 20, push cylinder 21, silo support plate 22, silo centering cylinder 2 3. Bin positioning plate 24, bin adjustment block 25, bin connecting plate 26, conveying plate 27, bin guide rod 28, gate cylinder 29, gate mounting plate 30, gate 31, material distribution rack 32, material distribution positioning device 33, conveying rack 34, conveying motor 35, material distribution centering cylinder 36, material distribution top material block 37, material distribution positioning rack 38, material distribution positioning plate 39, material distribution adjustment block 40, valve hole processing rack 41, column 42, rolling lifting cylinder 43, rolling knife rod 44, blowing pipe 45, blowing Air cylinder 46, tool holder 47, hydraulic chuck 48, claw 49, valve hole drilling motor 50, valve hole drilling gear box 51, z-axis motor 52, x-axis motor 53, manipulator translation frame 54, manipulator lifting frame 55, manipulator mounting frame 56, manipulator clamping cylinder 57, manipulator clamping plate 5701, clamping plate clamping part 58, manipulator lifting guide rail 59, manipulator lifting cylinder 60, buffer guide rod 61, buffer spring 62, manipulator connecting plate 63, welding frame 64, welding cylinder 6 5. Welding lifting frame 66, welding pressure head 67, hook feeding device 68, welding clamping plate 69, workpiece pushing cylinder 70, welding clamping cylinder 71, welding positioning block 72, welding translation frame 73, feeding translation frame 74, hook feeding cylinder 75, silo translation cylinder 76, silo guide rod 77, silo clamping spring 78, silo pressure plate 79, hook 80, silo baffle 81, feeding piece 82, pressure head body 83, hook fixing block 84, hook fixing magnet 85, hook positioning groove. DETAILED DESCRIPTION

[0044] Figures 1 to 18 The best embodiment of the present invention is shown below in conjunction with the attached Figures 1 to 18 The present invention is further described.

[0045] A rotary workpiece production line includes a drilling device and a lathe processing device, and also includes a material dividing device 4, which is arranged between the drilling device and the lathe processing device. At least two lathe processing devices are arranged side by side. The material dividing device 4 is connected to the lathe processing device and distributes workpieces 14 to the corresponding lathe processing devices. At least two lathe processing devices are arranged in the rotary workpiece production line, so that at least two workpieces 14 can be processed at the same time, and two workpieces 14 of different models can be processed separately. The material dividing device 4 can divide the materials for the lathe processing device, thereby realizing the automatic processing of the column head, greatly improving the processing efficiency, and can adjust the model of the processed workpiece 14 according to the needs, which well meets the production needs.

[0046] The present invention is further described below in conjunction with specific embodiments. However, people familiar with the art should understand that the detailed description given here in conjunction with the drawings is for better explanation, and the structure of the present invention necessarily exceeds these limited embodiments. For some equivalent replacement schemes or common means, they are no longer described in detail herein, but still belong to the scope of protection of the present application.

[0047] Specific: such as Figure 1 As shown: the drilling device includes a transverse hole drilling device 3 and a valve hole processing device 9, the transverse hole drilling device 3 is arranged at the feeding end of the material dividing device 4, the lathe processing device is connected to the discharging end of the material dividing device 4, and the valve hole processing device 9 is arranged at the discharging end of the lathe processing device, thereby completing the processing of the workpiece 14. The lathe processing device includes an external cylindrical lathe 6, a drilling lathe 7 and an end face lathe 8 which are arranged in sequence, thereby completing the external cylindrical turning, transverse hole turning and end face turning of the workpiece 14 in sequence. There are at least two lathe processing devices, and in this embodiment, there are three lathe processing devices. The valve hole processing device 9 corresponds to the lathe processing device one by one, and is arranged at the discharging end of the corresponding lathe processing device. There is one and only one transverse hole drilling device 3.

[0048] The rotary workpiece production line also includes a lifting device 1, a silo 2, a hook welding device 10 and a manipulator 5. The lifting device 1 and the silo 2 are both arranged at the feeding end of the horizontal hole drilling device 3, and the silo 2 is arranged between the lifting device 1 and the horizontal hole drilling device 3. The hook welding device 10 corresponds to the valve hole processing device 9 one by one and is arranged at the discharge end of the corresponding valve hole processing device 9. The manipulator 5 corresponds to the lathe processing device one by one and is arranged on one side of the corresponding lathe processing device.

[0049] Among them, the structures of the lifting device 1, the external cylindrical lathe 6, the drilling lathe 7 and the end face lathe 8 are the same as the structures of the corresponding devices in the application document with application number 201811074890.5, and will not be repeated here.

[0050] like Figure 2As shown: the silo 2 includes a silo positioning device and a conveying trough 19 arranged on both sides of the silo positioning device. The output end of the conveying trough 19 is arranged to dock with the silo positioning device. The output end of the conveying trough 19 is arranged to be lower than the input end and tilted. A blocking device is arranged at the output end of each conveying trough 19. The conveying troughs 19 on both sides of the silo positioning device of the silo 2 simultaneously convey the workpiece 14 to the silo positioning device, and the blocking device can block the workpiece 14 to ensure that only one workpiece 14 enters the silo positioning device for positioning at a time, which is convenient for the subsequent manipulator 5 to accurately grasp and complete the loading. By storing materials through two conveying troughs 19, more materials are stored, which can ensure that the workpiece 14 delivered to the silo positioning device is sufficient, and the conveying troughs 19 on both sides feed materials alternately, and the feeding speed is fast, which greatly improves the loading speed and can meet the loading needs of multiple production lines at the same time.

[0051] The silo 2 also includes a silo frame 18, a silo positioning device and a conveying trough 19 are both arranged on the top of the silo frame 18, the silo positioning device is arranged in the middle of the silo frame 18, and there are two conveying troughs 9 symmetrically arranged on both sides of the silo positioning device. The discharge end of the conveying trough 19 is arranged close to the silo positioning device, and the discharge end of the conveying trough 19 is connected to the feed port on the corresponding side of the silo positioning device, thereby conveying the workpiece 14 into the silo positioning device.

[0052] The output end of the conveying trough 19 is tilted lower than the input end, so that the workpiece 14 can roll into the silo positioning device under the action of gravity. A blocking device is provided at the output end of each conveying trough 19 to ensure that only one workpiece 14 enters the silo positioning device at a time.

[0053] The conveying trough 19 includes a conveying plate 26 and a silo guide rod 27. The silo guide rod 27 is symmetrically arranged on both sides of the conveying plate 26 and together with the conveying plate 26 forms a conveying trough 19 with an opening facing upward. The silo guide rod 27 can guide the workpiece 14 to prevent the workpiece 14 from sliding out of the conveying plate 26.

[0054] A pushing device is provided at the input end of each conveying trough 19, and the pushing device includes a pushing cylinder 20. The pushing cylinder 20 is horizontally arranged and installed at the input end of the conveying trough 19 on the corresponding side. The piston rod of the pushing cylinder 20 is arranged toward the middle of the conveying trough 19. The pushing cylinder 20 can push the workpiece 14 into the conveying trough 19 to prevent the workpiece 14 from accumulating at the input end of the conveying trough 19.

[0055] like Figure 3~4As shown: the silo positioning device includes a centering device, a vertical silo supporting plate 21 is arranged in the middle of the centering device, the silo supporting plate 21 is arranged vertically, and at least two silo supporting plates 21 are arranged in parallel and at intervals. In this embodiment, two silo supporting plates 21 are arranged in parallel and at intervals, and a silo connecting plate 25 is arranged between the two silo supporting plates 21. The silo connecting plate 25 is arranged horizontally, and the two sides of the silo connecting plate 25 are respectively fixedly connected to the middle of the silo supporting plate 21 on the corresponding side. The middle part of the upper side of each silo supporting plate 21 is concave to form a silo positioning groove, and the two sides of the silo positioning groove are inclined, so that the silo positioning groove is a cone that gradually widens from bottom to top, which is convenient for positioning the workpiece 14, and can position workpieces 14 of different diameters, and the positioning is more accurate, and it will not hinder the manipulator from clamping the workpiece 14. The centering device is arranged on both sides of the silo positioning groove.

[0056] The centering device includes a silo centering cylinder 22 and a silo positioning plate 23. The silo positioning plate 23 and the silo centering cylinder 22 are respectively arranged on both sides of the silo positioning groove. The silo positioning plate 23 is arranged vertically. The upper side of the silo positioning plate 23 is arranged higher than the silo positioning groove. The lower side of the silo positioning plate 23 is fixedly connected to the silo frame 18. A reinforcing rib is arranged on the side of the silo positioning plate 23 away from the silo positioning groove to prevent the silo positioning plate 23 from deforming and affecting the centering of the workpiece 14. The silo centering cylinder 22 is arranged horizontally and installed on the silo frame 18. The piston rod of the silo centering cylinder 22 is arranged toward the silo positioning groove. The silo centering cylinder 22 is arranged opposite to the silo positioning plate 23 and pushes the workpiece 14 in the silo positioning groove to press the silo positioning plate 23, so as to complete the centering of the workpiece 14 and ensure that the manipulator can accurately clamp the workpiece 14.

[0057] The silo positioning plate 23 is spaced apart from the silo supporting plate 21 on the corresponding side, and a silo adjusting block 24 is detachably mounted on the silo positioning plate 23. The silo adjusting block 24 is arranged on the side of the silo positioning plate 23 close to the silo centering cylinder 22. By adjusting the silo adjusting block 24, the positioning of workpieces 14 of different lengths can be achieved, and the positioning is convenient. A silo pushing block is arranged on the piston rod of the silo centering cylinder 22, so as to facilitate and accurately push the workpiece 14 and ensure that the workpiece 14 is reliably centered.

[0058] The blocking device includes a gate 30 and a gate cylinder 28. The gate cylinder 28 is arranged on one side of the corresponding conveying trough 19. A gate mounting plate 29 is arranged on one side of the conveying trough 19. The gate 30 is slidably mounted on the gate mounting plate 29. The sliding direction of the gate 30 is perpendicular to the conveying trough 19 on the corresponding side. The gate cylinder 28 is installed on the side of the conveying trough 19, and the gate cylinder 28 is perpendicular to the conveying trough 19 on the corresponding side, thereby preventing the workpiece 14 from sliding down and allowing the workpieces 14 to enter the silo positioning device one by one.

[0059] The gate plate 30 is vertically arranged parallel to the conveying direction of the conveying trough 19. The gate plate 30 is arranged in the conveying trough 19 on the corresponding side. The bottom of the gate plate 30 is gradually arced upward in the direction close to the silo positioning device, thereby ensuring that one workpiece 14 is released each time, avoiding mutual interference with the workpiece 14, affecting the obstruction of the workpiece 14, and making the entire equipment work stably.

[0060] When the silo 2 is in use, the workpieces 14 are placed in the conveying grooves 19 on both sides at the same time. The blocking device releases one workpiece 14 each time and allows it to enter the silo positioning groove to complete radial positioning. The silo centering cylinder 22 cooperates with the silo positioning plate 23 to achieve axial centering, which is convenient for the manipulator 5 to accurately grasp. More workpieces 14 can be stored in the conveying grooves 19 on both sides. The conveying grooves 19 on both sides alternately place the workpieces 14 into the silo positioning device, ensuring that the workpieces 14 are conveyed quickly and positioned quickly, and can meet the requirements of multiple production lines at the same time.

[0061] like Figures 5 and 6 As shown: the horizontal hole drilling device 3 includes a horizontal hole drilling fixture 13 and a horizontal hole drilling spindle box 12 arranged on both sides of the horizontal hole drilling fixture 13, a drill bit is installed on the spindle of the horizontal hole drilling spindle box 12, the horizontal hole drilling fixture 13 and the horizontal hole drilling spindle box 12 are both installed on the drilling frame 11, the horizontal hole drilling fixture 13 is arranged in the middle of the drilling frame, the horizontal hole drilling spindle box 12 is symmetrically arranged on both sides of the horizontal hole drilling fixture 13, each horizontal hole drilling spindle box 12 is provided with a horizontal hole drilling motor connected thereto on the upper side, and a drill bit is installed on the spindle of the horizontal hole drilling spindle box 12, so as to realize the drilling of horizontal holes at both ends of the workpiece 14.

[0062] The horizontal hole drilling fixture includes a drilling bracket 15 and a clamping oil cylinder 17. The upper part of the drilling bracket 15 is provided with a drilling positioning groove with a concave middle part. The drilling positioning groove is a cone that gradually widens from bottom to top. Workpiece positioning magnets are installed on both sides of the drilling positioning groove, thereby realizing the positioning of the workpiece 14. The clamping oil cylinder 17 is connected to a drilling clamping frame 16, which is arranged on the upper side of the drilling bracket 15.

[0063] The middle part of the drilling clamping frame 16 is rotatably mounted on the drilling frame 11 to form a lever mechanism. The clamping cylinder 17 is vertically mounted on the drilling frame 11. One end of the drilling clamping frame 16 is rotatably connected to the piston rod of the clamping cylinder 17, and the other end is a drilling clamping part 1601. The clamping cylinder 17 pushes the drilling clamping frame 16 to swing, and the drilling clamping part 1601 of the drilling clamping frame 16 is used to clamp the workpiece 14, thereby ensuring that the workpiece 14 is reliably clamped.

[0064] like Figures 7-9As shown: the material distribution device 4 includes a material distribution positioning device 32 and a conveying device. At least two material distribution positioning devices 32 are arranged along the conveying device. The conveying device is provided with a receiving portion for receiving the workpiece 14. The material distribution positioning device 32 is provided with a positioning portion for positioning the workpiece 14. At least two material distribution positioning devices 32 are arranged along the conveying device, so that at least two production lines can be distributed at the same time. The material distribution positioning device 32 positions the conveyed workpiece through the positioning portion, so that the manipulator 5 can accurately clamp the workpiece 14, thereby realizing accurate loading of the manipulator 5. The manipulator 5 only needs to transfer the workpiece on the corresponding material distribution positioning device 32 to the corresponding machine tool, which not only reduces the movement of the manipulator 5, but also avoids mutual interference between the manipulators 5, and ensures accurate loading and stable loading of the manipulator 5.

[0065] The conveying device is installed on the material distribution frame 31, and the conveying device is horizontally arranged. At least two material distribution positioning devices 32 are arranged along the conveying direction of the conveying device. In this embodiment, three material distribution positioning devices 32 are arranged, and the three material distribution positioning devices 32 are evenly spaced along the conveying direction of the conveying device.

[0066] The conveying device includes a conveying frame 33 and a pushing device. A horizontal material distribution conveying rail is arranged on the upper side of the material distribution frame 31. Two material distribution conveying rails are arranged in parallel and at intervals. The conveying frame 33 is arranged on the upper side of the material distribution conveying rail. The two sides of the conveying frame 33 are respectively slidably connected to the material distribution conveying rails on the corresponding sides, thereby realizing the linear movement of the conveying frame 33.

[0067] A semi-cylindrical groove with a concave middle portion is provided in the middle of the upper side of the conveying frame 33 to form a receiving portion, the axis of which is arranged horizontally and perpendicular to the moving direction of the conveying frame 33, so that the workpiece 14 can be received and conveyed to the designated material distribution and positioning device 32. Openings are symmetrically arranged on both sides of the receiving portion for the manipulator to grasp the workpiece 14.

[0068] The pushing device includes a conveying motor 34 and a synchronous belt. Synchronous pulleys are installed at both ends of the material distribution rack 31. The conveying motor 34 is installed at any end of the material distribution rack 31. The output shaft of the conveying motor 34 is connected to the synchronous pulley on the corresponding side and drives it to rotate. The conveying motor 34 is a servo motor, thereby realizing the precise conveying of the conveying rack 33. The pushing device can also be an electric push rod.

[0069] The material distribution positioning device 32 includes a material distribution positioning frame 37 and a material pushing device. The pushing device and the material distribution positioning frame 37 are arranged on both sides of the material distribution frame 31. The upper side of the material distribution positioning frame 37 is provided with a semi-cylindrical material distribution positioning groove with a concave middle part. The axis of the material distribution positioning groove is arranged parallel to the axis of the accommodating portion and is arranged on the same horizontal plane. Openings for the manipulator 5 to clamp the workpiece 14 are arranged on both sides of the material distribution positioning groove. The pushing device is arranged opposite to the material distribution positioning groove. A vertical material distribution positioning plate 38 is arranged on the side of the material distribution positioning frame 37 away from the pushing device. The material distribution positioning plate 38 is arranged vertically and encloses the positioning groove to form a positioning portion.

[0070] The material dividing positioning plate 38 is spaced apart from the material dividing positioning frame 37, and a material dividing adjustment block 39 is detachably installed on one side of the material dividing positioning plate 38 close to the material dividing positioning frame 37. The material dividing adjustment block 39 is arranged opposite to the material dividing positioning groove. Through the material dividing adjustment block 39, the material dividing positioning frame 37 can adapt to the positioning of workpieces 14 of different lengths, and has a wide range of adaptability.

[0071] The material ejection device is a material dividing and centering cylinder 35, which is horizontally mounted on the material dividing frame 31, and the piston rod of the material dividing and centering cylinder 35 is arranged toward the material dividing and centering frame 37, and the axis of the piston rod of the material dividing and centering cylinder 35 is coaxially arranged with the material dividing and centering groove of the material dividing and centering frame 37, and a material dividing and centering ejection block 36 is mounted on the piston rod of the material dividing and centering cylinder 35, and the material dividing and centering cylinder 35 pushes the workpiece 14 on the conveying frame 33 onto the material dividing and centering frame 37 through the material dividing and centering block 36. The ejection device can also be an oil cylinder or an electric push rod.

[0072] When the dividing device 4 is in use, the cut workpiece 14 is placed on the conveying rack 33, and the conveying motor 34 drives the conveying rack 33 to move between the corresponding dividing positioning rack 37 and the dividing centering cylinder 35 and then stops moving. The dividing centering cylinder 35 is activated and pushes the workpiece 14 on the conveying rack 33 into the positioning groove on the dividing positioning rack 37 until the workpiece 14 is in contact with the dividing adjustment block 39 on the dividing positioning plate 38, thereby completing the dividing of the workpiece 14.

[0073] like Figures 10-11As shown: the valve hole processing device 9 includes a rotary device, a valve hole drilling device, a tool holder 46 and a rolling device. The rotary device is provided with a valve hole drilling fixture. The rotary device is connected to a z-axis moving device and an x-axis moving device. The drilling device, the tool holder 46 and the rolling device are arranged side by side along the x-axis direction. The rotary device of the valve hole processing device 9 is provided with a valve hole drilling fixture, so that the workpiece 14 can be driven to rotate. The z-axis moving device and the x-axis moving device drive the rotary device to move, so that it cooperates with the drilling device, the tool holder 46 and the rolling device in turn, and the drilling, inner hole turning and rolling operations of the workpiece 14 are completed in turn. The clamping can be done once, which eliminates the assembly error, greatly improves the processing accuracy of the valve hole of the workpiece 14, and the quality of the workpiece 14 is stable, and the product qualification rate is high.

[0074] At least two rotary devices are provided. In this embodiment, two rotary devices are provided side by side in the horizontal direction, the two rotary devices are provided at intervals, the rotary devices are installed on the valve hole processing frame 40, the rotary devices are provided on the upper side of the valve hole processing frame 40, and the clamps of the two rotary devices are provided facing the same side. The drilling device, the tool holder 46 and the rolling device all correspond to the rotary devices one by one, and are provided on the same side of the valve hole processing frame 40 with the corresponding rotary devices.

[0075] A vertical column 41 is provided in the middle of the valve hole processing frame 40, and the column 41 is provided between the two rotary devices. The rolling device is installed on the column 41, and an air blowing pipe 44 is provided on the column 41. The air blowing pipe 44 is connected to an air compressor to blow away the debris from drilling and turning to avoid hindering the subsequent rolling of the valve hole.

[0076] The x-axis moving device is mounted on the valve hole processing frame 40. There is only one x-axis moving device. The z-axis moving device corresponds to the rotary device one by one. Both z-axis moving devices are mounted on the x-axis moving device and move synchronously with the x-axis moving device. The x-axis moving device drives the z-axis moving device to move horizontally in a direction perpendicular to the rotary axis of the rotary device, and the z-axis moving device drives the corresponding rotary device to move horizontally in a direction parallel to the rotary axis of the rotary device.

[0077] The x-axis moving device includes an x-axis motor 52 and an x-axis screw. An x-axis guide rail is installed on the valve hole processing frame 40. The x-axis guide rail is horizontally arranged perpendicular to the direction of the rotating axis. There are two x-axis guide rails that are parallel and spaced apart. An x-axis translation frame is arranged on the valve hole processing frame 40. The x-axis translation frame is slidably connected to the x-axis guide rail. The x-axis screw is horizontally arranged perpendicular to the direction of the rotating axis. Both ends of the x-axis screw are rotatably installed on the valve hole processing frame 40. A nut threadedly connected to the x-axis screw is arranged at the bottom of the x-axis translation frame. The x-axis motor 52 is installed on the valve hole processing frame 40. The output shaft of the x-axis motor 52 is connected to the x-axis screw and drives it to rotate, thereby realizing the movement of the x-axis translation frame.

[0078] The z-axis moving device includes a z-axis motor 51 and a z-axis screw. A z-axis guide rail is horizontally installed on the x-axis translation frame in a direction parallel to the rotation axis. Each rotating device corresponds to two z-axis guide rails. The rotating device is slidably installed on the two z-axis guide rails on the corresponding side. The z-axis screw is rotatably installed on the x-axis translation frame. A nut threadedly connected to the corresponding z-axis screw is provided at the bottom of each rotating device. The z-axis motor 51 is installed on the x-axis translation frame. The z-axis motor 51 is connected to the corresponding z-axis screw and drives it to rotate.

[0079] The rolling device includes a rolling lifting cylinder 42 and a rolling tool rod 43. Rolling lifting frames are slidably installed on both sides of the column 41. Vertical rolling guide rails are set on both sides of the column 41. The rolling lifting frame is slidably installed on the rolling guide rails on the corresponding side. The rolling lifting cylinder 42 is set vertically and installed on the column 41. The piston rod of the rolling lifting cylinder 42 is connected to the corresponding rolling lifting frame and drives it to rise and fall. The rolling tool rod 43 is installed on the rolling lifting frame on the corresponding side and moves synchronously with it. The rolling tool rod 43 is set parallel to the rotating shaft, so that the valve hole on the workpiece 14 on the corresponding side can be rolled.

[0080] The air blowing pipe 44 is mounted on the column 41, and the center line of the air blowing pipe 44 is on the same horizontal plane as the rotating shaft, and the air blowing pipe 44 and the corresponding rotating device are arranged on the same side of the column 41. Each air blowing pipe 44 is connected to an air blowing cylinder 45, which is mounted on the column 41 and arranged horizontally. The piston rod of the air blowing cylinder 45 is connected to the air blowing pipe 44 and drives it to move in the direction of approaching or moving away from the corresponding side of the valve hole drilling fixture.

[0081] The rotating device includes a valve hole drilling gear box 50 and a valve hole drilling motor 49. The bottom of the valve hole drilling gear box 50 is slidably installed on the z-axis guide rail on the corresponding side. The bottom of the valve hole drilling gear box 50 is provided with a nut threadedly connected to the z-axis lead screw on the corresponding side. The output shaft of the valve hole drilling gear box 50 is horizontally arranged. A clamp is installed on the output shaft of the valve hole drilling gear box 50. The valve hole drilling motor 49 is installed on the upper side of the valve hole drilling gear box 50. The output shaft of the valve hole drilling motor 49 is connected to the input end of the valve hole drilling gear box 50, thereby realizing the rotating motion of the valve hole drilling clamp.

[0082] The valve hole drilling fixture is a hydraulic chuck 47 , the clamping claw 48 of the hydraulic chuck 47 is a V-shaped clamping claw, and the workpiece 14 is a column head. When clamping the workpiece 14 , the workpiece 14 can be positioned, and the workpiece 14 is clamped conveniently.

[0083] The valve hole drilling device is a drill installed on the upper end of the valve hole processing frame 40. The drill bit is detachably connected to the valve hole processing frame 40. The axis of the drill bit is arranged parallel to the rotary axis and is located on the same horizontal plane as the rotary axis, thereby realizing the drilling of the workpiece 14. The tool holder 46 is a servo tool holder, and the tool holder 46 is arranged on one side of the valve hole drilling device on the corresponding side. The tool holder 46 is slidably installed on the valve hole processing frame 40. The tool holder 46 is connected to a tool holder cylinder that pushes it to move horizontally. The tool holder cylinder is installed on the valve hole processing frame 40. The piston rod of the tool holder cylinder is connected to the tool holder 46 and pushes it to move horizontally in a direction perpendicular to the rotary axis to adjust the position of the tool holder 46 to realize the feeding of the tool holder 46.

[0084] When the valve hole processing device is working, the x-axis moving device drives the z-axis moving device to move, so that the workpiece 14 on the fixture is aligned with the valve hole drilling device on the corresponding side, and then the valve hole drilling motor 49 works to complete the drilling of the workpiece 14. After the workpiece 14 is drilled, the x-axis moving device drives the z-axis moving device to move, so that the workpiece 14 on the drilling fixture is aligned with the tool holder 46 on the corresponding side, and with the cooperation of the z-axis moving device, the tool holder 46 turns the valve hole of the workpiece 14.

[0085] After turning is completed, the air blowing cylinder 45 drives the air blowing pipe 44 to align with the valve hole to blow away the debris, and then the rolling lifting cylinder 42 drives the rolling tool rod 43 to move downward and align with the valve hole of the workpiece 14, and then with the cooperation of the z-axis moving device, the valve hole is rolled to complete the processing of the valve hole of the workpiece 14. The two stations of the valve hole processing device process the workpiece 14 at the same time, and the processing efficiency is high.

[0086] like Figures 12-14 As shown: the manipulator 5 includes a manipulator translation device, a manipulator lifting device and a workpiece clamp. The lifting manipulator device is installed on the manipulator translation device and moves horizontally with the manipulator translation device. The workpiece clamp is movably installed on the manipulator lifting device. A buffer device is provided between the workpiece clamp and the manipulator lifting device. The manipulator translation device and the manipulator lifting device cooperate to drive the workpiece clamp to move, thereby realizing automatic loading of the workpiece 14. The workpiece clamp is movably connected to the manipulator lifting device, and a buffer device is provided between the workpiece clamp and the manipulator lifting device. The buffer device can play a buffering effect when the workpiece clamp clamps the workpiece 14 to the fixture, which can not only ensure that the workpiece 14 fits the fixture reliably and accurately, but also avoid rigid collision between the workpiece 14 and the fixture, and avoid damage to the workpiece 14 and the fixture.

[0087] The manipulator 5 also includes a crossbeam, which is horizontally arranged. The manipulator translation device is installed on the crossbeam, and the manipulator lifting device is installed on the manipulator translation device. There are at least two manipulator lifting devices. In this embodiment, there are two manipulator lifting devices. Both manipulator lifting devices are connected to the manipulator translation device and drive the manipulator translation device to move horizontally synchronously. The workpiece clamps correspond to the manipulator lifting devices one by one and are movably installed on the corresponding manipulator lifting devices. A buffer device is arranged between each workpiece clamp and the corresponding manipulator lifting device.

[0088] The manipulator translation device includes a manipulator translation motor and a manipulator translation frame 53. A horizontal manipulator translation rail is installed on one side of the crossbeam. The manipulator translation frame 53 is slidably installed on the manipulator translation rail, and the manipulator translation motor is installed on the crossbeam. The manipulator translation device also includes a chain. Sprockets are rotatably installed at both ends of the crossbeam. The two ends of the chain are respectively engaged with the sprockets at the corresponding ends. The output shaft of the manipulator translation motor is connected to any one of the sprockets and drives it to rotate. The manipulator translation frame 53 is connected to one side of the chain and moves synchronously with the chain. The manipulator translation motor is a servo motor, thereby realizing the accurate movement of the manipulator translation frame 53.

[0089] The manipulator lifting device includes a manipulator lifting cylinder 59, a manipulator lifting guide rail 58 and a manipulator lifting frame 54. The manipulator lifting guide rail 58 is vertically installed on the manipulator translation frame 53. The manipulator translation frame 53 is slidably installed on the manipulator lifting guide rail 58. The manipulator lifting cylinder 59 is vertically installed on the manipulator translation frame 53. The piston rod of the manipulator lifting cylinder 59 is connected to the manipulator lifting frame 54 and drives it to rise and fall linearly.

[0090] The workpiece clamp is mounted on the manipulator lifting frame 54 via a manipulator mounting frame 55 . The manipulator mounting frame 55 is slidably connected to the manipulator lifting frame 54 , and a buffer device is provided between the manipulator mounting frame 55 and the manipulator lifting frame 54 .

[0091] A limit plate is provided on one side of the manipulator mounting frame 55 to form a limit portion, and a manipulator connecting plate 62 is provided on the side of the manipulator mounting frame 55 close to the limit plate. The lower part of the manipulator connecting plate 62 is connected to the manipulator mounting frame 55, and the upper part is connected to the manipulator mounting frame 55 through a buffer device.

[0092] The buffer device includes a buffer spring 61 and a buffer guide rod 60. One end of the buffer guide rod 60 is fixedly connected to the manipulator lifting frame 54, and the other end is connected to the limit plate. The manipulator connecting plate 62 is slidably connected to the buffer guide rod 60. The buffer spring 61 is sleeved outside the buffer guide rod 60. The buffer spring 61 is arranged on the side of the manipulator connecting plate 62 away from the limit plate. The buffer spring 61 is in a compressed state. One end of the buffer spring 61 is supported on the manipulator lifting frame 54, and the other end is connected to the manipulator connecting plate 62, and pushes the manipulator connecting plate 62 to press the limit plate.

[0093] A horizontal buffer guide rail is provided on the manipulator lifting frame 54 , and the manipulator mounting frame 55 is slidably mounted on the manipulator lifting frame 54 , thereby ensuring that the manipulator mounting frame 55 moves in a straight line.

[0094] The workpiece clamp is installed on the manipulator mounting frame 55, and the workpiece clamp includes a manipulator clamping plate 57 and a manipulator clamping cylinder 56. The manipulator clamping cylinder 56 is installed on the manipulator mounting frame 55. The manipulator mounting frame 55 has two parallel and spaced apart blocks. The manipulator mounting frame 55 is slidably installed on the lower side of the manipulator mounting frame 55. There are two manipulator clamping cylinders 56. The piston rod of each manipulator clamping cylinder 56 is connected to the manipulator clamping plate 57, and pushes the manipulator clamping plate 57 to translate, so that the two manipulator clamping plates 57 move synchronously in opposite directions, thereby realizing the opening and closing of the manipulator clamping plates 57.

[0095] The manipulator clamp 57 is arranged vertically, and the upper end of the manipulator clamp 57 is connected to the piston rod of the corresponding manipulator clamping cylinder 56, and the lower end is provided with a clamping block, and the clamping block is arranged between the two manipulator clamps 57. An arc-shaped groove is arranged in the middle of the clamping block, and the axis of the groove is arranged horizontally. The grooves of the two clamping blocks are combined to form a circular clamping part, so as to clamp the cylindrical workpiece 14. After clamping, the workpiece 14 is ensured to be horizontal, thereby realizing accurate loading of the workpiece 14.

[0096] The working process of the robot 5 is as follows: first, the workpiece clamp at the rear side clamps the workpiece 14 to be processed, and the robot translation device drives the two workpiece clamps to move to the machine tool, and then the workpiece clamp at the front side clamps the processed workpiece 14 on the workpiece, and then the workpiece clamp at the rear side places the workpiece 14 to be processed on the machine tool.

[0097] When the workpiece 14 is placed on the fixture of the machine tool, the buffer device can ensure that the workpiece 14 fits reliably with the fixture of the machine tool, which can not only ensure the accurate positioning of the workpiece 14, but also prevent the workpiece clamp from colliding with the machine tool due to inertia.

[0098] like Figures 15 and 16As shown: the hook welding device 10 includes a welding pressure head 66 and a welding fixture. The welding pressure head 66 is arranged opposite to the welding fixture. A hook positioning groove 85 is arranged on the welding pressure head 66. The hook positioning groove 85 is arranged toward the welding fixture. A hook fixing part is arranged on one side of the hook positioning groove 85. The welding pressure head 66 is connected to a power device that pushes it to reciprocate in the direction of approaching or moving away from the welding fixture. The welding fixture of the hook welding device 10 can position and clamp the column head. The hook positioning groove 85 can position the hook 79, which facilitates the loading of the hook 79. The hook fixing part can fix the hook 79 positioned in the hook positioning groove 85. The power device pushes the welding pressure head 66 to move and completes the welding between the column head and the hook 79, realizing automatic welding. The welding quality is not affected by the operator and the welding quality is stable.

[0099] The hook welding device 10 also includes a welding translation device, a hook feeding device 67 and a welding frame 63. The power device is installed on the top of the welding frame 63, and the welding pressure head 66 is installed on the lower side of the power device. The welding pressure head 66 is connected to the power device and rises and falls vertically with the power device. The welding fixture is set directly below the welding pressure head 66, and the welding fixture is installed on the welding translation device. The welding translation device drives the welding fixture to move horizontally in the direction of approaching or moving away from the welding pressure head 66 to adjust the position of the workpiece 14. The middle part of the hook 79 is an upward convex arc shape, and the hook 79 is formed by bending a round steel bar.

[0100] The power device is a vertically arranged welding cylinder 64. The welding cylinder 64 is vertically arranged, and the piston rod of the welding cylinder 64 is arranged downward. A welding lifting frame 65 is installed on the piston rod of the welding cylinder 64. The welding pressure head 66 is arranged on the lower side of the welding lifting frame 65. The upper part of the welding pressure head 66 is connected to the welding lifting frame 65 and rises and falls synchronously with the welding lifting frame 65.

[0101] The welding translation device includes a workpiece push cylinder 69 and a welding translation frame 72. The welding frame 63 is provided with a welding frame guide rail, which is arranged horizontally. The welding translation frame 72 is arranged at the lower side of the welding pressure head 66. The welding translation frame 72 is slidably mounted on the welding frame guide rail. The workpiece push cylinder 69 is horizontally mounted on the welding frame 63. The piston rod of the workpiece push cylinder 69 is connected to the welding translation frame 72 and pushes it to translate. The welding fixture is mounted on the upper side of the welding translation frame 72. The welding translation device can push the welding fixture to move, so that it is convenient to remove the workpiece 14 from the welding fixture and place a new workpiece 14 on the welding fixture, and it is convenient to load the hook 79.

[0102] The welding fixture includes a welding clamping cylinder 70 and a welding clamping plate 68. The welding clamping plate 68 is vertically arranged. The welding clamping plate 68 has two parallel and spaced pieces. The welding clamping plate 68 is slidably installed on the welding translation frame 72. The welding clamping cylinder 70 is installed on the welding translation frame 72. The welding clamping cylinder 70 is connected to the two welding clamping plates 68 and pushes the two welding clamping plates 68 to move synchronously in opposite directions, thereby achieving the clamping of the workpiece 14 and the centering of the workpiece 14.

[0103] A welding positioning block 71 is provided at the upper end of each welding clamping plate 68. The welding positioning block 71 is provided between the two welding clamping plates 68. The welding positioning block 71 is an arc-shaped groove with a concave middle portion. The grooves of the two welding positioning blocks 71 enclose a circular clamping portion, thereby being able to achieve both clamping of the workpiece 14 and positioning of the workpiece 14, ensuring that the workpiece 14 is aligned with the hook 79 on the welding pressure head 66. The welding positioning block 71 is supported by a conductive material. In this embodiment, the welding positioning block 71 is made of copper. The welding positioning block 71 and the welding pressure head 66 are respectively connected to the two poles of the power supply, thereby achieving welding of the column head and the hook 79.

[0104] like Fig.17 As shown, the hook feeding device 67 includes a hook material bin and a hook pushing device. The hook material bin is arranged between the welding pressure head 66 and the hook pushing device. A pressing part for pressing the hook to the side close to the hook pushing device is arranged on one side of the hook material bin. The hook pushing device pushes the hook 79 into the hook positioning groove 85, realizing automatic feeding. The pressing part always presses the hook 79 to the side of the hook material bin close to the hook pushing device, thereby realizing continuous feeding of the hook 79.

[0105] The hook loading device 67 also includes a silo translation device, which is mounted on the welding frame 63. The hook silo is mounted on the silo translation device and moves horizontally with the silo translation device. The silo translation device and the welding translation device are arranged in a vertical direction. The hook pushing device is mounted on the silo translation device. The hook silo is arranged between the welding pressure head 66 and the hook pushing device. The hook pushing device is used to push the hooks 79 in the hook silo to the welding pressure head 66 one by one.

[0106] The silo translation device includes a silo translation cylinder 75 and a loading translation frame 73. A silo translation guide rail is installed on the welding frame 63. The silo translation guide rail is horizontally arranged. The loading translation frame 73 is slidably installed on the silo translation guide rail. The silo translation cylinder 75 is installed on the welding frame 63. The piston rod of the silo translation cylinder 75 is connected to the loading translation frame 73 and drives it to translate.

[0107] A silo pressure plate 78 and a silo baffle 80 are arranged on the upper side of the feeding translation frame 73. The silo baffle 80 and the silo pressure plate 78 are both arranged vertically. The silo baffle 80 is arranged on the side of the feeding translation frame 73 close to the welding pressure head 66. The silo pressure plate 78 is slidably arranged on the feeding translation frame 73. The silo pressure plate 78 and the silo baffle 80 are arranged opposite to each other. Hook baffles 80 are arranged on both sides of the silo baffle 80 to form a hook silo. The hook baffle is arranged at an interval from the feeding translation frame 73. The two ends of the hook 79 are arranged on the lower side of the hook baffle, and the hook 79 is guided by the hook baffle. A silo clamping spring 77 is provided on the feeding translation frame 73. The silo clamping spring 77 is in a compressed state. One end of the silo clamping spring 77 is supported on the feeding translation frame 73, and the other end pushes the silo pressure plate 78 to move toward the silo baffle 80, so that the hook 79 always presses the silo baffle 80, which facilitates the continuous feeding of the hook 79.

[0108] A silo guide rod 76 is provided on the side of the silo pressure plate 78 away from the silo baffle 80. One end of the silo guide rod 76 is fixedly connected to the silo pressure plate 78 and moves synchronously with the silo pressure plate 78. The other end is slidably connected to the loading translation frame 73. The silo clamping spring 77 is sleeved outside the silo guide rod 76, so as to prevent the silo clamping spring 77 from bending and affecting its pushing the silo pressure plate 78 to move.

[0109] The hook pushing mechanism includes a hook feeding cylinder 74 and a feeding piece 81. The hook feeding cylinder 74 is vertically installed on the feeding translation frame 73. The piston rod of the hook feeding cylinder 74 is set upward. The feeding piece 81 is installed on the piston rod of the hook feeding cylinder 74 and rises and falls synchronously with the piston rod. The thickness of the feeding piece 81 is equal to or less than the diameter of the steel bar of the hook 79, so that the hooks 79 can be pushed into the hook positioning groove 85 one by one.

[0110] like Fig.18 As shown, the welding pressure head 66 includes a pressure head body 82 and a hook fixing block 83. The lower end of the pressure head body 82 is coaxially provided with a blind hole. The hook fixing block 83 is arranged in the blind hole. The hook fixing block 83 has two parallel and spaced blocks, and a hook positioning groove 85 is formed between the two hook fixing blocks 83. A hook fixing magnet 84 is arranged in the blind hole on the upper side of the hook fixing block 83 to form a hook fixing part, thereby achieving the fixation of the hook 79. The diameter of the pressure head body 82 is smaller than the inner diameter of the upper end of the column head. Both sides of the blind hole are provided with openings that match the hook positioning groove 85. The two ends of the hook 79 extend through the openings on both sides of the pressure head body 82, thereby facilitating the welding of the hook 79 and the column head.

[0111] The working method of the hook welding device 10 is as follows: first, the hook 79 is placed in the hook silo, and the silo clamping spring 77 pushes the silo pressure plate 78 to press the hook 79 onto the silo baffle 80, and then the silo translation cylinder 75 pushes the loading translation frame 73 to move, and makes the loading piece 81 located directly below the hook positioning groove 85. At this time, the hook loading cylinder 74 moves upward, and pushes the hook 79 close to the side of the silo pressure plate 78 upward through the loading piece 81, and makes it enter the hook positioning groove 85, completing the loading of the hook 79. At this time, the hook loading cylinder 74 is reset, and the silo clamping spring 77 pushes the hook 79 to be pressed against the silo baffle 80 again through the silo pressure plate 78, and the silo translation cylinder 75 is reset.

[0112] The workpiece 14 is placed on the welding translation frame 72, and the welding clamping cylinder 70 pushes the two welding clamps 68 to move inward synchronously to position and clamp the workpiece 14. Then the workpiece pushing cylinder 69 pushes the welding translation frame 72 to move to the lower side of the welding pressure head 66, and aligns the hook 79 on the welding pressure head 66 with the workpiece 14 on the welding translation frame 72.

[0113] The welding cylinder 64 pushes the welding pressure head 66 to move downward and makes the hook 79 contact with the workpiece 14. After welding is completed, the welding cylinder 64 drives the welding pressure head 66 to move upward, and the hook 79 is separated from the suction of the hook fixing magnet 84, completing the welding of the workpiece 14 and the hook 79.

[0114] The above is only a preferred embodiment of the present invention, and does not limit the present invention in other forms. Any technician familiar with the profession may use the above disclosed technical content to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment according to the technical essence of the present invention without departing from the technical solution of the present invention still belongs to the protection scope of the technical solution of the present invention.

Claims

1. A rotary workpiece production line, comprising a drilling device and a lathe processing device, characterized in that: It also includes a material distribution device (4), the material distribution device (4) is arranged between the drilling device and the lathe processing device, at least two lathe processing devices are arranged side by side, the material distribution device (4) is connected to the lathe processing device, and distributes workpieces (14) to the corresponding lathe processing devices, the material distribution device (4) includes a material distribution positioning device (32) and a conveying device, at least two material distribution positioning devices (32) are arranged along the conveying device, a receiving portion for receiving the workpiece (14) is arranged on the conveying device, and a positioning portion for positioning the workpiece (14) is arranged on the material distribution positioning device (32); It also includes a hook welding device (10) arranged at the output end of the lathe processing device, the hook welding device (10) including a welding pressure head (66) and a welding fixture, the welding pressure head (66) being arranged opposite to the welding fixture, a hook positioning groove (84) being arranged on the welding pressure head (66), the hook positioning groove (84) being arranged toward the workpiece fixture, a hook fixing portion being arranged on one side of the hook positioning groove (84), the welding pressure head (66) being connected to a power device for driving it to reciprocate in a direction close to or away from the welding fixture, and two hook fixing blocks (83) being arranged at intervals on one side of the welding pressure head (66) facing the welding fixture to form the hook positioning groove (84); The hook welding device (10) further comprises a welding translation device, a hook loading device (67) and a welding frame (63); the hook loading device (67) comprises a hook material bin and a hook pushing device; the hook material bin is arranged between the welding pressure head (66) and the hook pushing device; a pressing portion for pressing the hook to a side close to the hook pushing device is arranged on one side of the hook material bin.

2. The rotary workpiece production line according to claim 1 is characterized in that: The drilling device comprises a transverse hole drilling device (3) and a valve hole processing device (9), wherein the transverse hole drilling device (3) is arranged at the feed end of the material distribution device (4), and the valve hole processing device (9) is arranged at the discharge end of the lathe processing device.

3. The rotary workpiece production line according to claim 2 is characterized in that: The horizontal hole drilling device (3) comprises a horizontal hole drilling fixture (13) and a horizontal hole drilling spindle box (12) arranged on both sides of the horizontal hole drilling fixture (13), and a drill bit is installed on the spindle of the horizontal hole drilling spindle box (12).

4. The rotary workpiece production line according to claim 3 is characterized in that: The horizontal hole drilling fixture comprises a drilling bracket (15) and a clamping cylinder (17); the upper portion of the drilling bracket (15) is provided with a drilling positioning groove with a concave middle portion, the drilling positioning groove is a cone that gradually widens from bottom to top; the clamping cylinder (17) is connected to a drilling clamping frame (16), and the drilling clamping frame (16) is arranged on the upper side of the drilling bracket (15).

5. The rotary workpiece production line according to claim 2 is characterized in that: The valve hole processing device (9) comprises a rotating device, a valve hole drilling device, a tool holder (46) and a rolling device. The rotating device is provided with a valve hole drilling fixture. The rotating device is connected to a z-axis moving device and an x-axis moving device. The valve hole drilling device, the tool holder (46) and the rolling device are arranged side by side along the x-axis direction.

6. The rotary workpiece production line according to claim 5, characterized in that: At least two rotating devices are arranged side by side, and the z-axis moving devices correspond to the rotating devices one by one and are connected to the corresponding rotating devices.

7. The rotary workpiece production line according to claim 1 is characterized in that: The lathe processing device comprises an external cylindrical lathe (6), a drilling lathe (7) and an end surface lathe (8) which are arranged in sequence.

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