Horizontal forging machine

Abstract

The invention provides a horizontal forging machine which comprises an upper die, a lower die, a movable part, a fixed part, a main frame, a plurality of pull rods, a controller, a first conveying assembly and a second conveying assembly, the movable part and the fixed part are used for fixing the upper die and the lower die respectively, and a striker plate is arranged on one side of the upper die and one side of the lower die. The main frame is horizontally arranged and arranged outside the lower die or the fixed part in a sleeving mode, the pull rods are symmetrically and vertically arranged on the left side and the right side of the main frame, the bottom ends of the pull rods are fixedly connected with the main frame, and the upper ends of the pull rods are connected with the movable part. The first conveying assembly and the second conveying assembly are fixedly arranged on the front side and the rear side of the main frame correspondingly and used for fixing the two ends of the forge piece and then driving the forge piece to move transversely. The problems that the labor intensity and danger are caused when forgings are frequently moved manually, and the machining quality of the forgings is affected due to inclination caused when a clamping device is used for fixing one sides of the forgings are solved, and high stability is provided.

Description

Technical Field

[0001] The invention relates to metal processing, in particular to a flat forging machine. Background Art

[0002] Flat forging machine is also called horizontal forging machine. As a branch of mechanical press, flat forging machine mainly produces die forgings by local upsetting method. Due to its high productivity, it is suitable for large-scale and large-volume production. Therefore, it is widely used in automobile, tractor, bearing and aviation industries. In the upsetting process, the forgings will be forged for different times, so that the parts of the forgings are processed into the required state. During forging, the staff takes the forgings and places them in each chamber of the die in turn, so that the forgings are gradually upset. The frequent placement of forgings by manpower has a high work intensity for the staff to continuously move the forgings.

[0003] In the prior art, after the forging extending to a point outside the die is fixed by controlling the clamping mechanism through a pneumatic cylinder or a hydraulic cylinder, the forging is moved to different chambers in sequence to complete the forging. When the weight of the upsetting position is large or the forging is tightly connected to the die after upsetting, the forging may be tilted by the clamping structure, affecting the posture of the forging placed in the cavity of the die, thereby affecting the upsetting effect and damaging the die. And when the weight of the forging is large, a pneumatic cylinder or hydraulic cylinder with a larger load needs to be set to provide power, which increases the cost. Therefore, it is necessary to optimize the existing flat forging machine. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a flat forging machine, which solves the problems in the prior art of using manpower to frequently move forgings, which is labor-intensive and dangerous, and using a clamping device to fix the forging from one side, which may cause tilting and affect the processing quality of the forgings.

[0005] According to an embodiment of the present invention, a flat forging machine includes an upper die, a lower die, and a movable part and a fixed part for respectively fixing the upper die and the lower die, and also includes a main frame, a plurality of tie rods, a controller, a first transmission component and a second transmission component. The main frame is horizontally arranged and sleeved on the outside of the lower die or the fixed part, and the tie rods are symmetrically vertically arranged on the left and right sides of the main frame, the bottom end of the tie rod is fixedly connected to the main frame, and the upper end of the tie rod is connected to the movable part; the first transmission component and the second transmission component are respectively fixedly arranged on the front and rear sides of the main frame, and are used to fix the two ends of the forging and then drive it to move laterally; the controller is electrically connected to the first transmission component and the second transmission component.

[0006] The technical principle of the present invention is as follows: the present invention utilizes the upper die and the lower die fixed on the flat forging machine to move the main frame in the vertical direction during the opening and closing process. When the two ends of the forging located outside the die are fixed on the first conveying assembly and the second conveying assembly, when the die is opened, the main frame moves upward to lift the forging upward, and the first conveying assembly and the second conveying assembly enable the forging to move laterally, so that the forging can move in the vertical and horizontal directions, thereby being upset in different cavities of the die.

[0007] Preferably, a sliding connection block is fixedly provided on the movable part, a sliding through hole is provided on the sliding connection block, and the upper end of the pull rod is adapted to the sliding through hole; the pull rod has limit blocks fixedly provided on the upper and lower sides of the sliding connection block.

[0008] Preferably, the first transmission assembly includes a motor, a plurality of rollers, a track and a plurality of fixed units, the rollers being horizontally arranged inside the main frame and being rotatably connected to the front side of the main frame in sequence, the axes of the rollers and the axes of the forgings in the upper and lower dies being located in the same vertical plane and corresponding one to one; the track is sleeved on a plurality of the rollers; the body of the motor is fixedly connected to the main frame, and the output shaft of the motor is connected to the rollers at the end; the fixed units are fixedly arranged on the track at intervals in sequence, and the intervals of the fixed units correspond to the intervals of adjacent forgings.

[0009] Preferably, the fixing unit includes a fixing groove and two support blocks, the fixing groove is a semicircular structure, the opening of the fixing groove faces away from the track, the axis of the fixing groove is parallel to the axis of the forging, the bottom of the fixing groove is rotatably connected to the track, the rotating axis of the fixing groove is parallel to the roller, the two support blocks are relatively arranged symmetrically in a vertical plane passing through the center line of the fixing groove, the top of the support block is fixedly connected to the side of the bottom of the fixing groove, and the bottom of the support block is in contact with the track extending downward and the horizontal section.

[0010] Preferably, the second conveying assembly and the first conveying assembly have the same structural features, the radius of the fixed groove in the second conveying assembly is equal to the maximum radius of the forging after upsetting; the controller is connected to the motors in the second conveying assembly and the first conveying assembly.

[0011] Preferably, a fixed connecting rod rotatably connected to the end of the roller is fixedly provided in the main frame.

[0012] Preferably, gears are provided on both ends of the roller, and toothed chains are fixedly provided on both sides of the track, and the gears are meshed with the toothed chains.

[0013] Preferably, a plurality of support columns are evenly arranged below the main frame; and a rubber layer is provided on the top surface of the support columns.

[0014] Compared with the prior art, the present invention has the following beneficial effects: the present invention uses the process of the flat forging machine itself to control the opening and closing of the die to move the forging in the vertical direction, and then the first transmission assembly and the second transmission assembly support the two ends of the forging, so that after the forging moves horizontally for a corresponding distance, the forging moves to the next corresponding chamber for upsetting when the die is closed. The present invention lifts the forging from the bottom and contacts the forging at both sides of the die, which improves the stability of the forging when it moves. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the position of the main frame in the present invention.

[0016] Figure 2 It is a top view of the main frame in the present invention.

[0017] Figure 3 It is a schematic diagram of the first transmission component in the present invention.

[0018] Figure 4 It is a schematic diagram of the roller connection in the present invention.

[0019] In the above drawings: 1. movable part; 2. fixed part; 3. upper die; 4. lower die; 5. forging; 6. main frame; 7. pull rod; 8. limit block; 9. sliding connection block; 10. support column; 11. crawler track; 12. fixed groove; 13. roller; 14. motor; 15. support block; 16. fixed connection rod; 17. gear. DETAILED DESCRIPTION

[0020] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0021] like Figure 1 , 2As shown, an embodiment of the present invention proposes a flat forging machine, including an upper die 3, a lower die 4, and a movable part 1 and a fixed part 2 for fixing the upper die 3 and the lower die 4 respectively. A material stopper is provided on one side of the upper die 3 and the lower die 4, that is, fixedly provided on one side of the fixed part 2. When the movable part 1 and the fixed part 2 are closed so that the upper die 3 and the lower die 4 are in contact, the punch of the flat forging machine moves laterally to complete the upsetting of the forging 5. When the punch is upsetting, the material stopper supports the end of the forging 5 away from the punch to prevent the forging 5 from moving axially. The flat forging machine also includes a main frame 6, a plurality of tie rods 7, a controller, a first transmission assembly and a second transmission assembly. The main frame 6 is horizontally arranged and sleeved on the outside of the lower die 4 or the fixed part 2. The tie rods 7 are symmetrically vertically arranged on the left and right sides of the main frame 6. The bottom end of the tie rod 7 is fixedly connected to the main frame 6, and the upper end of the tie rod 7 is connected to the movable part 1. The first transmission assembly and the second transmission assembly are respectively fixedly arranged on the front and rear sides of the main frame 6, and are used to drive the forging 5 to move horizontally after fixing the two ends of the forging 5. The controller is electrically connected to the first transmission assembly and the second transmission assembly. In this embodiment, the punch is a sleeve structure, and the forging 5 always extends at the two ends of the upper die 3 and the lower die 4, so as to facilitate contact with the first transmission assembly and the second transmission assembly. When the main frame 6 is driven by the pull rod 7 to move up and down, it does not contact other parts to avoid motion interference. When the punch approaches the forging 5 between the upper die 3 and the lower die 4, the support frame moves to the bottom to avoid the movement of the moving punch. After the staff places the forging 5 to the first roughing position, the first transmission assembly and the second transmission assembly move the forging 5 to the subsequent processing position for roughing in sequence, and take it out after the roughing is completed, avoiding the use of manpower to move the forging inside the flat forging machine, and reducing the labor intensity of the staff. The first transmission assembly and the second transmission assembly lift the forging at both ends to avoid tilting when fixing one side of the forging.

[0022] like Figure 1 As shown, preferably, a sliding connection block 9 is fixedly provided on the movable part 1, and a sliding through hole is provided on the sliding connection block 9, and the upper end of the pull rod 7 is adapted to the sliding through hole. The pull rod 7 is fixedly provided with limit blocks 8 on the upper and lower sides of the sliding connection block 9. When the movable part 1 moves upward for a distance, the sliding connection block 9 on the movable part 1 contacts the limit block 8 on the upper end of the pull rod 7, so that the pull rod 7 pulls the main frame 6 to move upward, reducing the stroke of the main frame 6 and reducing the power consumption of the flat forging machine.

[0023] like Figure 3As shown, as a preference, the first transmission assembly includes a motor 14, a plurality of rollers 13, a crawler 11 and a plurality of fixed units, wherein the roller 13 is horizontally arranged inside the main frame 6 and is rotatably connected to the front side of the main frame 6 in sequence, and the axis of the roller 13 and the axis of the forging 5 in the upper die 3 and the lower die 4 are located in the same vertical plane and correspond one to one. The crawler 11 is sleeved on the plurality of rollers 13. The body of the motor 14 is fixedly connected to the main frame 6, and the output shaft of the motor 14 is connected to the roller 13 at the end. The fixed units are fixedly arranged on the crawler 11 at intervals in sequence, and the intervals of the fixed units correspond to the intervals of the adjacent forgings 5. When the main frame 6 moves upward, the roller 13 is located directly below the forging 5 to avoid the situation where the crawler 11 and the forging 5 are in contact without support and excessive deformation occurs. Each time the main frame 6 moves upward, the motor 14 drives the crawler 11 to move a distance, so that the forging 5 on the fixed unit just moves to the next processing position. In this embodiment, the motor 14 is a stepping motor.

[0024] like Figure 3 As shown, as a preference, the fixing unit includes a fixing groove 12 and two support blocks 15, the fixing groove 12 is a semicircular structure, the opening of the fixing groove 12 faces away from the crawler 11, the axis of the fixing groove 12 is parallel to the axis of the forging 5, the bottom of the fixing groove 12 is rotatably connected to the crawler 11, the rotation axis of the fixing groove 12 is parallel to the roller 13, the two support blocks 15 are symmetrically arranged relative to the vertical plane passing through the center line of the fixing groove 12, the top of the support block 15 is fixedly connected to the side of the bottom of the fixing groove 12, and the bottom of the support block 15 extends downward and contacts the horizontal section of the crawler 11. The crawler 11 rotates around, and when the height of the fixing groove 12 on the crawler 11 changes, the end of the support block 15 is out of contact with the crawler 11, while the crawler 11 always keeps contact with the roller 13. When the main frame 6 moves upward, the forging 5 is located inside the fixing groove 12. The top surface of the main frame 6 is lower than the bottom of the inner side of the fixing groove 12 that moves upward, that is, the forging will not come into contact with the main frame 6 when placed in the fixing groove 12 .

[0025] Preferably, the second conveying assembly and the first conveying assembly have the same structural features, and the radius of the fixed groove 12 in the second conveying assembly is equal to the maximum radius of the forging 5 after upsetting. The controller is connected to the motors 14 in the second conveying assembly and the first conveying assembly, so that the crawlers 11 of the first conveying assembly and the second conveying assembly rotate synchronously, avoiding the forging 5 from being braked to the processing position in an inclined state due to different speeds at the head and tail when moving. The second conveying assembly is in contact with one end of the forging 5 that is partially upset.

[0026] like Figure 4As shown, preferably, a fixed connecting rod 16 rotatably connected to the end of the roller 13 is fixedly provided in the main frame 6, so that both ends of the roller 13 are supported.

[0027] Preferably, gears 17 are provided on both ends of the roller 13, and toothed chains are fixedly provided on both sides of the crawler 11, and the gears 17 are meshed with the toothed chains. To avoid the crawler 11 from slipping, the toothed chain connection makes the crawler 11 rotate more stably, and the distance moved each time better corresponds to the next processing position.

[0028] Preferably, a plurality of support columns 10 are evenly arranged below the main frame 6. A rubber layer is arranged on the top surface of the support column 10. When the upper mold 3 and the lower mold 4 are closed, the main frame 6 descends too far, and the support column 10 is used to limit the moving distance of the main frame 6. The vibration when the rubber layer contacts the main frame 6 plays a role of buffering and noise reduction.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A flat forging machine, comprising an upper die (3), a lower die (4), and a movable part (1) and a fixed part (2) for fixing the upper die (3) and the lower die (4), respectively, characterized in that: It also includes a main frame (6), a plurality of pull rods (7), a controller, a first transmission component and a second transmission component. The main frame (6) is horizontally arranged and sleeved on the outside of the lower mold (4) or the fixed part (2). The pull rods (7) are symmetrically vertically arranged on the left and right sides of the main frame (6). The bottom end of the pull rod (7) is fixedly connected to the main frame (6), and the upper end of the pull rod (7) is connected to the movable part (1); the first transmission component and the second transmission component are respectively fixedly arranged on the front and rear sides of the main frame (6) for fixing the two ends of the forging (5) and driving it to move laterally; the controller is electrically connected to the first transmission component and the second transmission component.

2. A flat forging machine according to claim 1, characterized in that: A sliding connection block (9) is fixedly provided on the movable part (1), and a sliding through hole is provided on the sliding connection block (9), and the upper end of the pull rod (7) is adapted to the sliding through hole; and the pull rod (7) is fixedly provided with limit blocks (8) on the upper and lower sides of the sliding connection block (9).

3. A flat forging machine according to claim 1, characterized in that: The first transmission component comprises a motor (14), a plurality of rollers (13), a crawler (11) and a plurality of fixed units, wherein the rollers (13) are horizontally arranged inside the main frame (6) and are rotatably connected to the front side of the main frame (6) in sequence, and the axes of the rollers (13) and the axes of the forgings (5) in the upper die (3) and the lower die (4) are located in the same vertical plane and correspond one to one; the crawler (11) is sleeved on the plurality of rollers (13); the body of the motor (14) is fixedly connected to the main frame (6), and the output shaft of the motor (14) is connected to the rollers (13) at the end; the fixed units are fixedly arranged on the crawler (11) at intervals in sequence, and the intervals of the fixed units correspond to the intervals of adjacent forgings (5).

4. A flat forging machine as claimed in claim 3, characterized in that: The fixing unit comprises a fixing groove (12) and two supporting blocks (15); the fixing groove (12) is a semicircular structure; the opening of the fixing groove (12) faces away from the crawler (11); the axis of the fixing groove (12) is parallel to the axis of the forging (5); the bottom of the fixing groove (12) is rotatably connected to the crawler (11); the rotating shaft of the fixing groove (12) is parallel to the roller (13); the two supporting blocks (15) are symmetrically arranged relative to each other in a vertical plane passing through the center line of the fixing groove (12); the top of the supporting block (15) is fixedly connected to the side of the bottom of the fixing groove (12); and the bottom of the supporting block (15) is in contact with the crawler (11) extending downward and the horizontal section.

5. A flat forging machine as claimed in claim 4, characterized in that: The second transmission component and the first transmission component have the same structural features, the radius of the fixed groove (12) in the second transmission component is equal to the maximum radius of the forging (5) after upsetting; the controller is connected to the motors in the second transmission component and the first transmission component.

6. A flat forging machine as claimed in claim 3, characterized in that: A fixed connecting rod (16) is fixedly arranged in the main frame (6) and is rotatably connected to the end of the roller (13).

7. A flat forging machine as claimed in claim 3, characterized in that: Gears (17) are arranged on both ends of the roller (13), and toothed chains are fixedly arranged on both sides of the crawler (11), and the gears (17) are meshed with the toothed chains.

8. A flat forging machine as claimed in claim 1, characterized in that: A plurality of support columns (10) are evenly arranged below the main frame (6); and a rubber layer is arranged on the top surface of the support columns (10).

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