Multi-station cold header for machining bolts

Abstract

The present application relates to cold header technical field, specifically for processing bolt multi-station cold header, including machine body assembly, the machine body assembly is opened with installation groove, the installation groove is installed with power mechanism, the power mechanism is installed with hammering seat, one side of hammering seat is equipped with linkage mechanism, the linkage mechanism and the side wall in machine body assembly are connected, the linkage mechanism is installed with pull rod spare and lead screw spare, one end of pull rod spare is installed with synchronous mechanism, the synchronous mechanism is connected with transfer sliding seat assembly, the other end side wall in machine body assembly is fixed with female die assembly, the transfer sliding seat assembly is arranged between female die assembly and hammering seat, the present application can be through the ingenious cooperation of parts, with fast realization billet directional transfer between different stations in turn, so as to ensure that punch assembly can hammer the billet inserted into female die assembly, complete metal pressing operation.

Description

Technical Field

[0001] This invention relates to the field of cold heading machine technology, and more particularly to a multi-station cold heading machine for processing bolts. Background Technology

[0002] A cold heading machine is a device that cuts and cold-extrudes various processed metal wires, causing the metal wires to be cold-headed into shape in a mold. It is used to process various standard and non-standard fasteners and automotive and motorcycle parts, and its applications are becoming increasingly widespread. It is mainly composed of several parts, such as a frame, transmission system, cold heading head, feeding system and cooling system, which work together to complete the processing of the workpiece.

[0003] The multi-station nut cold heading machine, with announcement number CN116727592A, includes a power module and a machine body fixedly connected to it, with multiple sets of circular grooves inside. It also includes a hollow elastic push rod disposed within the circular grooves. The cleaning mechanism includes a disc fixedly connected to one end of the hollow elastic push rod, a rotating plate rotatably connected to one side of the disc, and multiple sets of second magnetic strips equidistantly mounted around the surface of the rotating plate. The heating and stirring component includes a heating and stirring tube rotatably connected to the inner wall of an oil tank via a rotating shaft, and drive blades fixedly mounted on the inner wall of the heating and stirring tube. This invention, through the coordinated operation of various components, simultaneously ejects the stamped workpiece, cleans debris from inside the mold, and cools the mold's interior, extending its service life. This ensures no debris residue remains inside the mold, guaranteeing the normal operation of the cold heading machine's ejection mechanism and ensuring work efficiency.

[0004] The above-mentioned technologies can effectively cool down and remove debris, but there is no clear description of how to make the components work together in metal pressing to achieve efficient directional movement of the bolt material and ensure that the hammering components in the cold heading machine can accurately hammer the bolt material. Therefore, improvements are needed. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a multi-station cold heading machine for processing bolts.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A multi-station cold heading machine for processing bolts includes a machine body assembly. The machine body assembly has an installation groove, in which a power mechanism is installed. A hammer seat is installed on the power mechanism. A linkage mechanism is provided on one side of the hammer seat. The linkage mechanism is connected to the side wall inside the machine body assembly. A tie rod and a lead screw are installed on the linkage mechanism. One end of the pull rod is equipped with a synchronization mechanism, and a transfer slide assembly is connected to the synchronization mechanism. A die assembly is fixed on the other side wall of the machine body assembly. The transfer slide assembly is disposed between the die assembly and the hammer seat. A reversing mechanism is installed on the side wall inside the body assembly, and the reversing mechanism is connected to the pull rod and the transfer slide assembly; An adaptation mechanism is installed on the lead screw component, and the adaptation mechanism is connected to the transfer slide assembly. A punch assembly is installed at one end of the hammer seat and the transfer slide assembly that are close to each other. The punch assembly is located on one side of the transfer slide assembly and the die assembly.

[0007] Compared with the prior art, the present invention can quickly realize the sequential directional transfer of blanks between different workstations through the ingenious cooperation of components, so as to ensure that the punch assembly can hammer the blanks inserted into the die assembly to complete the metal pressing operation.

[0008] Preferably, the power mechanism includes a motor assembly installed at the bottom of the mounting groove, a rocker arm fixed to the end of the output shaft of the motor assembly, a sliding groove opened at the lower end of the hammer base, the output end of the rocker arm located in the sliding groove, and one end of the hammer base slidably mounted on the linkage mechanism.

[0009] Furthermore, the motor assembly is connected to the supporting components, which can drive the swing arm to rotate. Through the cooperation of the slide groove, the hammer seat can drive the punch assembly to reciprocate, so that the punch assembly and the die assembly can cooperate to perform hammering operations on the blank.

[0010] Preferably, the linkage mechanism includes a fixed frame fixed to one side wall of the mounting groove, a movable frame fixed to the side of the fixed frame near the hammer base, one end of the hammer base being slidably mounted on the movable frame, a connecting groove being provided on the movable frame, a bearing groove being provided on one side wall of the connecting groove, the bearing groove extending into the fixed frame, a pressure-bearing mechanism being installed in the bearing groove, a movable plate being provided in the pressure-bearing mechanism, and the pressure-bearing mechanism being connected to the hammer base; One end of both the tie rod and the lead screw extends into the bearing groove. Both the tie rod and the lead screw are provided with an adjustment mechanism, which is connected to the moving plate.

[0011] Furthermore, corresponding components are installed in the bearing groove to support the movement of the hammer seat, convert the moving force of the hammer seat into the operating force of the tie rod and lead screw, and provide power for the movement of the transfer slide assembly.

[0012] Preferably, the pressure-bearing mechanism includes an elastic damping component fixed in the bearing groove, one end of the elastic damping component is fixedly connected to the moving plate, the moving plate is disposed through the connecting groove, and an abutment is fixed on the hammer seat, the abutment being disposed on one side of the moving plate.

[0013] Furthermore, when the contacting member presses against the moving plate, the elastic damping component is compressed, and after the contacting member and the moving plate separate, the elastic damping component pushes the moving plate to reset, so that the pull rod and lead screw are reset through the push rod and lead screw nut assembly, which in turn drives the transfer slide assembly to reset.

[0014] Preferably, the control mechanism includes a push rod rotatably connected to one side of the moving plate, and the push rod and the pull rod are rotatably connected at one end located in the bearing groove; the pull rod is slidably installed in the fixed frame; A lead screw and nut assembly is installed at one end of the tie rod located in the bearing groove. The lead screw and nut assembly is threaded onto the lead screw, and the lead screw is rotatably sleeved on the fixed frame.

[0015] Furthermore, when the tie rod moves, it can drive the lead screw and nut assembly to move, which in turn enables the lead screw to rotate. In actual operation, the structure of the lead screw and nut assembly and the lead screw can be controlled to control the rotation angle of the lead screw.

[0016] Preferably, the connecting groove is located at the end of the movable frame away from the transfer slide assembly.

[0017] Furthermore, by controlling the opening position of the connecting groove, the hammer holder can complete the transfer of the blank as it moves away from the die assembly; when the hammer holder drives the punch assembly to move towards the die assembly, the corresponding blank is already in the corresponding die and waiting for the punch assembly to strike it, so as to complete the metal pressing.

[0018] Preferably, the synchronization mechanism includes a telescopic rod that passes through the end of the pull rod away from the linkage mechanism. The piston rod end of the telescopic rod is fixed with a sliding frame. One end of the transfer slide assembly is slidably installed in the sliding frame. A tension spring and a damping element are fixed in the sliding frame. One end of the tension spring and the piston rod end of the damping element are both fixedly connected to the transfer slide assembly.

[0019] Furthermore, it enables the transfer slide assembly to move or change its direction of movement under the operation of the corresponding components.

[0020] Preferably, the reversing mechanism includes a fixed plate fixed to the tie rod, a linkage groove is provided on the side wall of the mounting groove, one end of the fixed plate extends into the linkage groove, a double gear linkage is rotatably sleeved on the side wall of the linkage groove, a damping reset assembly is installed in the linkage groove, a second spur rack is fixed to one end of the damping reset assembly, a first spur rack is fixed to the top of the linkage groove, both the second spur rack and the first spur rack mesh with the double gear linkage, and the second spur rack and the first spur rack are respectively arranged on both sides of the double gear linkage. One end of the first straight rack is fixed with a push plate, one end of which passes through the linkage groove and extends into the mounting groove. The push plate is disposed on one side of the transfer slide assembly.

[0021] Furthermore, the directional transfer of the blank can be completed while the hammer seat moves away from the die assembly. In actual operation, a time window can be reserved for detecting whether the blank is accurately inserted. That is, when the hammer seat moves towards the die assembly, the transfer slide assembly can be reset while the blank remains stationary, so as to accurately detect the blank. It can also determine whether to stop the machine for adjustment based on the actual situation, which helps to protect the equipment.

[0022] Preferably, the adaptation mechanism includes a telescopic frame fixed to the inner side wall of the mounting groove, an installation rail assembly fixed to one end of the telescopic frame, the installation rail assembly being disposed on one side of the lead screw, a push rod being rotatably connected to one end of the lead screw, and one end of the push rod being rotatably connected to the push rod, and the installation rail assembly being connected to the transfer slide assembly.

[0023] Furthermore, the rotation of the lead screw can cause the push rod to move the mounting rail assembly, and under the action of the telescopic frame, the mounting rail assembly can move back and forth smoothly.

[0024] Preferably, the movable plate is inclined at the end near the contact member.

[0025] Furthermore, it facilitates the contact between the contacting parts and the movable plate.

[0026] The beneficial effects of this invention are: 1. The directional transfer of the blank is completed while the hammer seat moves away from the die assembly. In actual operation, it can leave a time window for testing whether the blank is accurately inserted. That is, when the hammer seat moves towards the die assembly, the transfer slide assembly can be reset while the blank remains stationary, so as to accurately detect the blank and determine whether to stop the machine for adjustment based on the actual situation, which helps to protect the equipment. 2. It can enable a single power source to drive the operation of multiple components, so as to provide power for the movement of the hammer holder and the adjustment of the transfer slide assembly, and can simultaneously realize the transfer of the blank and the hammer holder and the die assembly to hammer the blank. Attached Figure Description

[0027] Figure 1 This is a structural diagram of the present invention; Figure 2 This is a structural diagram of the hammer base, the transfer slide assembly, and the die assembly in this invention; Figure 3 This is a structural diagram of the movable frame in this invention; Figure 4 This is a diagram showing the internal structure of the bearing groove in this invention; Figure 5 Appendix to this invention Figure 3 Enlarged view of point A; Figure 6 Appendix to this invention Figure 3 Enlarged view of point B; Figure 7 This is a structural diagram of the pendulum rod in this invention.

[0028] In the diagram: 1. Body assembly; 2. Mounting slot; 3. Die assembly; 4. Linkage slot; 5. Transfer slide assembly; 6. Fixing frame; 7. Contact component; 8. Connecting slot; 9. Moving plate; 10. Moving frame; 11. Swing rod component; 12. Motor assembly; 13. Hammering seat; 14. Slide groove; 15. Telescopic frame; 16. Mounting rail assembly; 17. Elastic damping assembly; 18. Bearing slot; 19. Push rod; 20. Screw and nut assembly; 21. Tie rod component; 22. Screw component; 23. Punch assembly; 24. Push rod component; 25. First spur rack; 26. Double gear linkage component; 27. Second spur rack; 28. Damping reset assembly; 29. ​​Back thrust plate component; 30. Fixing plate component; 31. Sliding frame; 32. Tension spring component; 33. Telescopic rod component; 34. Damping component. Detailed Implementation

[0029] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0030] Reference Figures 1-7A multi-station cold heading machine for processing bolts includes a machine body assembly 1. The machine body assembly 1 has a mounting groove 2, within which a power mechanism is installed. A hammer holder 13 is mounted on the power mechanism. The power mechanism provides power for the reciprocating movement of the hammer holder 13, and also provides power for the reciprocating operation of the transfer slide assembly 5, facilitating the movement of the transfer slide assembly 5 between workstations while clamping the workpiece. A linkage mechanism is provided on one side of the hammer holder 13, connected to the side wall inside the machine body assembly 1. A tie rod 21 and a lead screw 22 are mounted on the linkage mechanism; the linkage mechanism enables the tie rod 21 and the lead screw 22 to move.

[0031] In this embodiment, a synchronization mechanism is installed at one end of the tie rod 21, and a transfer slide assembly 5 is connected to the synchronization mechanism. A die assembly 3 is fixed on the other side wall inside the machine body assembly 1. The transfer slide assembly 5 is disposed between the die assembly 3 and the hammer seat 13. The synchronization mechanism can drive the transfer slide assembly 5 to move with the tie rod 21, so that the movement directions of the transfer slide assembly 5 and the tie rod 21 are opposite, so that the transfer slide assembly 5 can clamp the blank and transfer the work position.

[0032] In this embodiment, a reversing mechanism is installed on the side wall inside the machine body assembly 1. The reversing mechanism is connected to the pull rod 21 and the transfer slide assembly 5. An adaptation mechanism is installed on the lead screw 22. The adaptation mechanism is connected to the transfer slide assembly 5. A punch assembly 23 is installed at the end of the hammer seat 13 and the transfer slide assembly 5 that are close to each other. The punch assembly 23 is located on one side of the transfer slide assembly 5 and the die assembly 3. Through the cooperation of the reversing mechanism and the adaptation mechanism, the transfer slide assembly 5 can move back and forth and forward and backward relative to the die assembly 3, so that the transfer slide assembly 5 can clamp the blank and insert it from the previous station to the next station.

[0033] In this embodiment, the power mechanism includes a motor assembly 12 installed at the bottom of the mounting groove 2. A rocker arm 11 is fixed to the end of the output shaft of the motor assembly 12. A sliding groove 14 is provided at the lower end of the hammer base 13. The output end of the rocker arm 11 is located in the sliding groove 14. One end of the hammer base 13 is slidably mounted on the linkage mechanism. The motor assembly 12 is connected to the matching components and can drive the rocker arm 11 to rotate. Through the cooperation of the sliding groove 14, the hammer base 13 can drive the punch assembly 23 to reciprocate, so that the punch assembly 23 and the die assembly 3 cooperate to perform hammering operations on the blank. Meanwhile, cold heading components are installed inside the machine body assembly 1, which can cooperate with the present invention to complete the bolt preparation operation. The present invention is only for the blank changing operation when the hammering seat 13 moves. Compared with traditional equipment, the present application can achieve efficient blank transfer through the movement of the hammering seat 13 and the clever cooperation of the corresponding components, which can effectively reduce operating costs and facilitate later inspection and maintenance.

[0034] In this embodiment, the linkage mechanism includes a fixed frame 6 fixed to one side wall of the mounting groove 2. A movable frame 10 is fixed to the side of the fixed frame 6 near the hammer seat 13. One end of the hammer seat 13 is slidably mounted on the movable frame 10 to ensure the smooth movement of the hammer seat 13. A connecting groove 8 is provided on the movable frame 10. A bearing groove 18 is provided on one side wall of the connecting groove 8. The bearing groove 18 extends into the fixed frame 6. A pressure bearing mechanism is installed in the bearing groove 18. A movable plate 9 is provided in the pressure bearing mechanism. The pressure bearing mechanism is connected to the hammer seat 13. Corresponding components are installed in the bearing groove 18 to support the movement of the hammer seat 13 and convert the movement force of the hammer seat 13 into the operating force of the tie rod 21 and the lead screw 22, which can provide power for the movement of the transfer slide assembly 5. One end of both the tie rod 21 and the lead screw 22 extends into the bearing groove 18. Both the tie rod 21 and the lead screw 22 are equipped with an adjustment mechanism, which is connected to the moving plate 9. The adjustment mechanism enables the tie rod 21 and the lead screw 22 to operate as needed.

[0035] In this embodiment, the pressure-bearing mechanism includes an elastic damping component 17 fixed in the bearing groove 18. One end of the elastic damping component 17 is fixedly connected to the moving plate 9. The moving plate 9 is disposed through the connecting groove 8. An abutment 7 is fixed on the hammer seat 13. The abutment 7 is disposed on one side of the moving plate 9. When the abutment 7 presses the moving plate 9, the elastic damping component 17 can be pressed. After the abutment 7 and the moving plate 9 are separated, the elastic damping component 17 can push the moving plate 9 to reset. This allows the pull rod 21 and the lead screw 22 to reset through the push rod 19 and the lead screw nut assembly 20, which can drive the transfer slide assembly 5 to reset. Simultaneously control the clamping function of the transfer slide assembly 5, so that only one blank changing operation is completed in a single operation.

[0036] In this embodiment, the control mechanism includes a push rod 19 rotatably connected to one side of the moving plate 9, and the push rod 19 and the pull rod 21 are rotatably connected at one end located in the bearing groove 18; the pull rod 21 is slidably installed in the fixed frame 6; when the moving plate 9 is pressed by the abutment member 7, the push rod 19 can move in a direction parallel to the pull rod 21, and the pull rod 21 can move into the bearing groove 18, so as to provide power for the transfer slide assembly 5 to move away from the die assembly 3; A lead screw nut assembly 20 is installed at one end of the tie rod 21 located in the bearing groove 18. The lead screw nut assembly 20 is threaded onto the lead screw 22, and the lead screw 22 is rotatably sleeved on the fixed frame 6. When the tie rod 21 moves, it can drive the lead screw nut assembly 20 to move. The lead screw nut assembly 20 can make the lead screw 22 rotate. In actual operation, the structure of the lead screw nut assembly 20 and the lead screw 22 can be controlled so as to control the rotation angle of the lead screw 22.

[0037] In this embodiment, the connecting groove 8 is opened at the end of the moving frame 10 away from the transfer slide assembly 5; by controlling the opening position of the connecting groove 8, the hammering seat 13 can complete the transfer of the blank as it moves away from the die assembly 3; when the hammering seat 13 drives the punch assembly 23 to move towards the die assembly 3, the corresponding blank is already in the corresponding die waiting for the hammering of the punch assembly 23 to complete the metal pressing.

[0038] In this embodiment, the synchronization mechanism includes a telescopic rod 33 that passes through the end of the pull rod 21 away from the linkage mechanism. The piston rod end of the telescopic rod 33 is fixed with a sliding frame 31. One end of the transfer slide assembly 5 is slidably installed in the sliding frame 31. The sliding frame 31 is fixed with a tension spring 32 and a damping member 34. One end of the tension spring 32 and the piston rod end of the damping member 34 are both fixedly connected to the transfer slide assembly 5. The telescopic rod 33 can extend and retract. That is, when the mounting rail assembly 16 pushes the transfer slide assembly 5 to move, the telescopic rod 33 can extend and retract to adapt to the movement of the transfer slide assembly 5. At the same time, when the pull rod 21 is pushed, the transfer slide assembly 5 is not affected by external force. Under the action of the tension spring 32 and the damping member 34, the relative position between the transfer slide assembly 5 and the sliding frame 31 can be ensured so that the transfer slide assembly 5 and the die assembly 3 can be separated. When the push plate 29 presses the transfer slide assembly 5, it can compress the tension spring 32 and the damping member 34 so that the transfer slide assembly 5 can move towards the die assembly 3, which facilitates the transfer slide assembly 5 to drive the blank pulled out from the previous station into the next station.

[0039] In this embodiment, the reversing mechanism includes a fixing plate 30 fixed to the pull rod 21. A linkage groove 4 is provided on the side wall of the mounting groove 2. One end of the fixing plate 30 extends into the linkage groove 4. A double gear linkage 26 is rotatably sleeved on the side wall of the linkage groove 4. A damping reset assembly 28 is installed in the linkage groove 4. A second spur rack 27 is fixed to one end of the damping reset assembly 28. A first spur rack 25 is fixed to the top of the linkage groove 4. Both the second spur rack 27 and the first spur rack 25 mesh with the double gear linkage 26. The second spur rack 27 and the first spur rack 25 are respectively arranged on both sides of the double gear linkage 26. The fixing plate 30 moves with the pull rod 21 in the linkage groove 4, and is fixed by... The movement of plate 30 provides power for the reset movement of the transfer slide assembly 5; and the double gear linkage 26 is composed of a large gear and a small gear, which are coaxially arranged and rotatably connected to one end side wall in the linkage groove 4. The second rack 27 meshes with the small gear, and the first rack 25 meshes with the large gear. This allows the first rack 25 and the second rack 27 to move in opposite directions, and the linear velocity of the first rack 25 is greater than the linear velocity of the second rack 27; the damping reset assembly 28 includes a spring component and a damping reset component, which can retract and adapt after the second rack 27 abuts against the fixed plate 30, and can smoothly drive the second rack 27 to reset after the external force disappears; One end of the first straight rack 25 is fixed with a push plate 29. One end of the push plate 29 passes through the linkage groove 4 and extends into the mounting groove 2. The push plate 29 is located on one side of the transfer slide assembly 5. The movement of the first straight rack 25 can drive the push plate 29 to move. When the second straight rack 27 is pressed by the fixed plate 30 and moves towards the damping reset assembly 28, the first straight rack 25 can drive the push plate 29 to press the transfer slide assembly 5, so that the transfer slide assembly 5 can move towards the die assembly 3, so that the transfer slide assembly 5 and the die assembly 3 can abut against each other, so that the blank clamped from the previous station can be inserted into the next station.

[0040] In this embodiment, the adaptation mechanism includes a telescopic frame 15 fixed to the inner wall of the mounting groove 2. One end of the telescopic frame 15 is fixed with a mounting rail assembly 16, which is disposed on one side of the lead screw 22. One end of the lead screw 22 is rotatably connected to a push rod 24, and one end of the push rod 24 is rotatably connected to the push rod 24. The mounting rail assembly 16 is connected to the transfer slide assembly 5. The movement of the lead screw nut assembly 20 can cause the lead screw 22 to rotate. In actual operation, the threaded engagement between the lead screw nut assembly 20 and the lead screw 22 is controlled so that the lead screw 22 can rotate to the required angle. This is a technical means commonly used by those skilled in the art and does not need to be disclosed again. The rotation of the lead screw 22 changes the position of the push rod 24 connected to the lead screw 22, allowing the push rod 24 to move the mounting rail assembly 16. This controls the distance between the mounting rail assembly 16 and the lead screw 22. Simultaneously, with the cooperation of the telescopic frame 15, the mounting rail assembly 16 moves smoothly. One end of the transfer slide assembly 5 is slidably mounted on the mounting rail assembly 16, meaning the mounting rail assembly 16 can drive the transfer slide assembly 5 to move back and forth. The direction of movement of the transfer slide assembly 5 is parallel to that of the die assembly 3, enabling the transfer slide assembly 5 to switch between non-stop workstations. Combined with the back-and-forth movement of the transfer slide assembly 5, the blank can be clamped in the previous workstation and moved to the next workstation. In actual operation, the transfer slide assembly 5 is equipped with an automatic clamping component to clamp the blank at the work station as needed. The operation mode of the clamping component is existing technology and does not need to be disclosed again. Through the cooperation of the automatic clamping component, the directional movement of the blank between work stations is completed.

[0041] In this embodiment, the movable plate 9 is inclined at one end near the contact member 7; the contact member 7 is composed of a rod and a roller component. The rod is fixed on the hammer seat 13, and the roller component is located on the movable frame 10. When the hammer seat 13 drives the contact member 7 to move, the roller component and the movable plate 9 can come into contact. Furthermore, the inclined end makes it easier for the roller and the movable plate 9 to come into contact, and pushes the movable plate 9 to move towards the fixed frame 6. This provides power for the operation of the components in the bearing groove 18. In other words, through the clever cooperation of the corresponding components, the transfer slide assembly 5 can clamp the blank and transfer it between workstations during the process of the contact member 7 contacting the movable plate 9.

[0042] In this invention, the machine body component 1 is a cold heading machine, which is equipped with a corresponding bolt material cutting component that can cut the blank to a fixed length so as to provide material for the metal pressing operation of the punch assembly 23, the transfer slide assembly 5 and the die assembly 3, and enable the punch assembly 23 and the die assembly 3 to cooperate in bolt preparation. The motor assembly 12 can drive the swing arm 11 to rotate. The vertical end of the swing arm 11 extends into the slide groove 14, which enables the hammer seat 13 to move stably back and forth under the action of the moving frame 10. When the contact member 7 and the hammer seat 13 move away from the die assembly 3, the contact member 7 can press against the moving plate 9, which causes the moving plate 9 to move towards the bearing groove 18 via the push rod 19. The pull rod 21 can move towards the moving frame 10 via the damping member 34 and the tension spring 32. When the transfer slide assembly 5 and the pull rod 21 move the sliding frame 31, the sliding frame 31 can abut against the second straight rack 27, which causes the double gear linkage member 26 to push the first straight rack 25 and the back push plate 29 to move. The back push plate 29 can push the transfer slide assembly 5 towards the die assembly 3, which enables the transfer slide assembly 5 to move back and forth when the contact member 7 moves away from the die assembly 3. At the same time, the tie rod 21 causes the lead screw 22 to rotate through the lead screw nut assembly 20, which in turn causes the lead screw 22 to push the mounting rail assembly 16 to move through the push rod 24. The mounting rail assembly 16 can push the transfer slide assembly 5 to move back and forth while reciprocating, so as to clamp the blank and transfer it between workstations. When the hammer seat 13 moves toward the die assembly 3, it can reset the transfer slide assembly 5 and facilitate the punch assembly 23 to hammer the blank that has entered the die assembly 3 in order to complete the metal pressing.

[0043] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A multi-station cold heading machine for processing bolts, comprising a machine body assembly (1), characterized in that: The body assembly (1) has an installation slot (2) and a power mechanism is installed in the installation slot (2). A hammer seat (13) is installed on the power mechanism. A linkage mechanism is provided on one side of the hammer seat (13). The linkage mechanism is connected to the side wall inside the body assembly (1). A pull rod (21) and a lead screw (22) are installed on the linkage mechanism. One end of the pull rod (21) is equipped with a synchronization mechanism, and a transfer slide assembly (5) is connected to the synchronization mechanism. A die assembly (3) is fixed on the other side wall inside the body assembly (1). The transfer slide assembly (5) is disposed between the die assembly (3) and the hammer seat (13). A reversing mechanism is installed on the side wall inside the body assembly (1), and the reversing mechanism is connected to the pull rod (21) and the transfer slide assembly (5); An adaptation mechanism is installed on the lead screw (22), which is connected to the transfer slide assembly (5). A punch assembly (23) is installed at the end of the hammer seat (13) and the transfer slide assembly (5) that are close to each other. The punch assembly (23) is located on one side of the transfer slide assembly (5) and the die assembly (3).

2. The multi-station cold heading machine for processing bolts according to claim 1, characterized in that, The power mechanism includes a motor assembly (12) installed at the bottom of the mounting groove (2). The output shaft of the motor assembly (12) is fixed with a rocker arm (11). The lower end of the hammer seat (13) is provided with a sliding groove (14). The output end of the rocker arm (11) is located in the sliding groove (14). One end of the hammer seat (13) is slidably mounted on the linkage mechanism.

3. The multi-station cold heading machine for processing bolts according to claim 1, characterized in that, The linkage mechanism includes a fixed frame (6) fixed on one side wall of the mounting groove (2), a movable frame (10) fixed on the side of the fixed frame (6) near the hammer base (13), one end of the hammer base (13) is slidably mounted on the movable frame (10), a connecting groove (8) is provided on the movable frame (10), a bearing groove (18) is provided on one side wall of the connecting groove (8), the bearing groove (18) extends into the fixed frame (6), a pressure bearing mechanism is installed in the bearing groove (18), a movable plate (9) is provided in the pressure bearing mechanism, and the pressure bearing mechanism is connected to the hammer base (13); One end of the tie rod (21) and the lead screw (22) extends into the bearing groove (18). The tie rod (21) and the lead screw (22) are provided with a control mechanism, which is connected to the moving plate (9).

4. The multi-station cold heading machine for processing bolts according to claim 3, characterized in that, The pressure-bearing mechanism includes an elastic damping component (17) fixed in the bearing groove (18). One end of the elastic damping component (17) is fixedly connected to the moving plate (9). The moving plate (9) is disposed through the connecting groove (8). An abutment (7) is fixed on the hammer seat (13). The abutment (7) is disposed on one side of the moving plate (9).

5. The multi-station cold heading machine for processing bolts according to claim 3, characterized in that, The control mechanism includes a push rod (19) rotatably connected to one side of the movable plate (9), and the push rod (19) and the pull rod (21) are rotatably connected at one end in the bearing groove (18); the pull rod (21) is slidably installed in the fixed frame (6); The tie rod (21) is equipped with a screw nut assembly (20) at one end located in the bearing groove (18). The screw nut assembly (20) is threaded onto the screw (22), and the screw (22) is rotatably sleeved on the fixed frame (6).

6. The multi-station cold heading machine for processing bolts according to claim 3, characterized in that, The connecting groove (8) is located at the end of the movable frame (10) away from the transfer slide assembly (5).

7. The multi-station cold heading machine for processing bolts according to claim 1, characterized in that, The synchronization mechanism includes a telescopic rod (33) that passes through the end of the pull rod (21) away from the linkage mechanism. The piston rod end of the telescopic rod (33) is fixed with a sliding frame (31). One end of the transfer slide assembly (5) is slidably installed in the sliding frame (31). The sliding frame (31) is fixed with a tension spring (32) and a damping element (34). One end of the tension spring (32) and the piston rod end of the damping element (34) are both fixedly connected to the transfer slide assembly (5).

8. The multi-station cold heading machine for processing bolts according to claim 1, characterized in that, The reversing mechanism includes a fixed plate (30) fixed on the tie rod (21), a linkage groove (4) is provided on the side wall of the mounting groove (2), one end of the fixed plate (30) extends into the linkage groove (4), a double gear linkage component (26) is rotatably sleeved on the side wall of the linkage groove (4), a damping reset component (28) is installed in the linkage groove (4), a second straight rack (27) is fixed at one end of the damping reset component (28), a first straight rack (25) is fixed at the top of the linkage groove (4), the second straight rack (27) and the first straight rack (25) are both meshed with the double gear linkage component (26), and the second straight rack (27) and the first straight rack (25) are respectively arranged on both sides of the double gear linkage component (26); One end of the first straight rack (25) is fixed with a push plate (29), one end of the push plate (29) passes through the linkage groove (4) and extends into the mounting groove (2), and the push plate (29) is disposed on one side of the transfer slide assembly (5).

9. The multi-station cold heading machine for processing bolts according to claim 1, characterized in that, The adaptation mechanism includes a telescopic frame (15) fixed on the inner wall of the mounting groove (2). One end of the telescopic frame (15) is fixed with a mounting rail assembly (16). The mounting rail assembly (16) is located on one side of the lead screw (22). One end of the lead screw (22) is rotatably connected to a push rod (24). One end of the push rod (24) is rotatably connected to the push rod (24). The mounting rail assembly (16) is connected to the transfer slide assembly (5).

10. The multi-station cold heading machine for processing bolts according to claim 4, characterized in that, The movable plate (9) is tilted at one end near the contact member (7).

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