Hammerhead device of hydraulic radial forging machine

Abstract

The invention discloses a hydraulic radial forging machine hammerhead device, and relates to the field of radial forging machine hammerheads, the hydraulic radial forging machine hammerhead device comprises a circular support, the circular support is provided with an angle adjusting assembly and a radial forging assembly, the angle adjusting assembly comprises a rotating support rod, the rotating support rod is hinged to the first side of the circular support, the radial forging assembly is arranged in the rotating support rod, and the rotating support rod is hinged to the second side of the circular support. The angle of the hammer forging is adjusted through rotation of the rotary supporting rod. The hammer forging angle can be adjusted through the angle adjusting assembly according to the requirement, the hammer forging machine can be suitable for machining of common shafts, front hammer forging can be conducted on the shafts when the shafts with the taper are machined, stress is more uniform, the hammer forging effect is better, and the quality of the shafts is improved; when a shaft with a shaft shoulder is machined, measurement can be conducted through the first small vertical plate and the second small vertical plate, a fall is formed between the hammer forging position of the hammer head and the second small vertical plate, then the fall is seen through the position of the indication scale of the second angle measuring plate, and the accuracy of hammer forging is guaranteed.

Description

Technical Field

[0001] The invention relates to the field of radial forging machine hammers, in particular to a hydraulic radial forging machine hammer device. Background Art

[0002] The radial forging machine is a precision rotary forging equipment specially designed for manufacturing solid or hollow long shaft parts. Its working principle and operation process are highly technical and professional. The equipment uses a series of precisely arranged hammers, which are usually distributed in the circumferential direction of the bar to be processed. The number is generally between 2 and 8, to quickly and accurately forge the workpiece in the radial direction.

[0003] During operation, these hammers are symmetrically distributed around the blank and forge the blank with extremely high frequency and synchronization. At the same time, the blank is rotated by a specific drive device and axially fed by another drive system. This combination of rotation and feeding allows the blank to be evenly subjected to forces from all directions when being forged by the hammers, thereby achieving a gradual reduction in cross-sectional size and axial extension.

[0004] As the core component of the equipment, the radial forging machine hammer head undertakes the key task of accurately hammering and plastic forming the material. These hammer heads are precisely designed to flexibly adjust the striking force and frequency according to needs to ensure the ideal forming effect during the forging process. They are firmly installed on the forging mechanical structure, and a certain mass of weight is equipped on the top of the hammer head, so that each hammering can release enough kinetic energy and speed to achieve effective compression and shaping of the material, thereby ensuring that the final forged parts have excellent quality and performance.

[0005] However, the radial forging machine hammer in the prior art can only forge the same type of shaft. Although it can be adjusted for shafts with different diameters, a hammer of a special shape is often required when processing a tapered shaft, and different machines can only be used. This results in the lack of applicability of the current forging machine hammer and the inability to meet the processing of more different types of shafts. Based on this, the present invention proposes a hammer that can adapt to different shaft shapes to solve the defects of the prior art. Summary of the invention

[0006] In view of the above technical problems, the present invention discloses a hydraulic radial forging machine hammer device, comprising a circular bracket, on which an angle adjustment component and a radial forging component are mounted, wherein the angle adjustment component comprises a rotating support rod, which is hinged to a first side of the circular bracket, and in which a radial forging component is mounted, and the angle of the hammer forging is adjusted by rotating the rotating support rod. Through the above technical solution, the hammer forging angle can be adjusted according to demand, and when processing a tapered shaft, the shaft can be hammer forged from the front, the force is more uniform, the hammer forging effect is better, and the quality of the shaft is improved.

[0007] Furthermore, an angle adjustment rod is hinged on the rotating support rod, an adjustment slider is hinged on the angle adjustment rod, a mounting plate and an adjustment slot are fixedly mounted on the circular bracket, the adjustment slider is slidably installed in the adjustment slot, and the angle of the rotating support rod is adjusted by driving the adjustment slider.

[0008] Furthermore, a large toothed ring is rotatably mounted on the second side of the circular bracket, an adjusting gear is rotatably mounted on the mounting plate and meshes with the large toothed ring, an adjusting screw is fixedly mounted on the adjusting gear, and a threaded hole is provided in the adjusting slider and cooperates with the adjusting screw;

[0009] The circular bracket is fixed with an adjusting motor, and the rotating shaft of the adjusting motor is fixed with a driving gear, which meshes with the large gear ring. The invention can simultaneously drive multiple adjusting gears through the rotation of the large gear ring, and adjust all rotating support rods at the same time to ensure angle synchronization, and use the adjusting screw to drive the adjusting gear to move a more accurate distance, with high adjustment accuracy, and has a self-locking feature to prevent the angle from automatically changing after adjustment, thereby ensuring the accuracy of the final hammer forging and improving the processing quality.

[0010] Furthermore, the radial forging assembly includes a hammer forging center rod, which is slidably installed in the rotating support rod, and a hammer head is fixedly installed at the bottom end of the hammer forging center rod for hammer forging.

[0011] Furthermore, angle measuring plate 1 and angle measuring plate 2 are slidably installed on both sides of the hammer forging center rod, and small vertical plate 1 and small vertical plate 2 are fixedly installed on the bottom ends of angle measuring plate 1 and angle measuring plate 2. The bottom ends of small vertical plate 1, hammer head and small vertical plate 2 overlap and are distributed in sequence along the axial direction.

[0012] Furthermore, an extension plate is fixedly mounted at the bottom end of the small vertical plate 1. Through the above technical solution, when machining a shaft with a shoulder, measurement can be performed through the small vertical plate 1 and the small vertical plate 2, and the position of the hammer head forging forms a drop with the small vertical plate 2. The drop can be seen at the position of the indication scale of the angle measuring plate 2, thereby ensuring the accuracy of the hammer forging. The bottom surface of the extension plate can contact the thinner part of the shaft, and the hammer head forges the thicker part.

[0013] Furthermore, the hammer forged center rod is provided with a scale, and the angle measuring plate 1 and the angle measuring plate 2 correspond to the scale.

[0014] Furthermore, a hydraulic cylinder is fixedly mounted on the rotating support rod, and the hydraulic cylinder drives the hammer forging center rod through an adjusting mechanism, and the adjusting mechanism can adjust the movement stroke of the hammer forging center rod.

[0015] Furthermore, the adjustment mechanism includes a motor seat, which is fixedly mounted on the hammer forging center rod, a spacing motor is fixedly mounted on the motor seat, a spacing cam is fixedly mounted on the spacing motor shaft, and the spacing cam is elliptical;

[0016] A hammer forging plate is fixedly mounted on the cylinder arm of the hydraulic cylinder, the hammer forging plate contacts the top of the spacing cam, and a hammer forging spring is fixedly mounted between the hammer forging center rod and the hammer forging plate. The spacing cam in the present invention is elliptical, and the upper and lower distances can change when rotating. The most precise and largest force-bearing part of the hydraulic cylinder is limited, and an excessively long stroke is not conducive to hammer forging, and the quality of hammer forging cannot be guaranteed to be consistent. Therefore, the spacing cam is adjusted so that the distance of hammer forging can be changed even if the stroke of the hydraulic cylinder remains unchanged.

[0017] Furthermore, the four surfaces of the circumference of the spacing cam are cut flat to fit the hammer forged center rod.

[0018] The beneficial effects of the present invention compared with the prior art are:

[0019] (1) Through the technical solution of the present invention, the hammer forging angle can be adjusted according to the needs, not only ordinary shafts can be processed, but also the shafts with tapered shafts can be hammer forged from the front, the force is more uniform, the hammer forging effect is better, and the quality of the shaft is improved.

[0020] (2) Through the technical solution of the present invention, the rotation of the large gear ring can drive multiple adjustment gears at the same time, and adjust all the rotating support rods at the same time to ensure angle synchronization. The use of the adjustment screw to drive the adjustment gear to move the distance is more precise, the adjustment accuracy is high, and it has a self-locking feature to prevent the angle from changing automatically after adjustment, thereby ensuring the accuracy of the final hammer forging and improving the processing quality.

[0021] (3) Through the technical solution of the present invention, when processing a shaft with a shoulder, measurement can be performed through small vertical plate 1 and small vertical plate 2. The position of the hammer head forging forms a drop with small vertical plate 2. The drop can be seen at the position of the indicator scale of angle measuring plate 2 to ensure the accuracy of hammer forging. The bottom surface of the extension plate can contact the thinner part of the shaft, and the hammer head forges the thicker part.

[0022] (4) Through the technical solution of the present invention, the spacing cam is elliptical and the upper and lower distances can change when rotating. The part of the hydraulic cylinder that is most accurately subjected to the greatest force is limited. Too long a stroke is not conducive to hammer forging and cannot guarantee consistent quality of hammer forging. Therefore, the spacing cam is adjusted so that even if the stroke of the hydraulic cylinder remains unchanged, the hammer forging distance can be changed, and the circumferential cutting of the spacing cam can ensure stability and prevent the hammer forging plate from falling off when being pressed downward. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The figure is a schematic diagram of the overall structure of a hydraulic radial forging machine hammer device in an embodiment of the present invention.

[0024] Figure 2 This is a partial schematic diagram of a hydraulic radial forging machine hammer device in an embodiment of the present invention, and the circular cover plate is not included in the figure.

[0025] Figure 3 for Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0026] Figure 4 It is a side view schematic diagram of a hydraulic radial forging machine hammer device in an embodiment of the present invention.

[0027] Figure 5 The present invention is a schematic diagram of the overall structure of a radial forging assembly of a hydraulic radial forging machine hammer device in an embodiment of the present invention.

[0028] Figure 6 It is a schematic diagram of the partial structure of a radial forging component of a hammer device of a hydraulic radial forging machine in an embodiment of the present invention.

[0029] Figure 7 It is a schematic diagram of a radial forging component of a hydraulic radial forging machine hammer device in an embodiment of the present invention in a working state.

[0030] Figure numbers: 1-angle adjustment assembly; 2-diameter forging assembly; 3-circular bracket; 4-circular cover plate; 101-rotating support rod; 102-angle adjustment rod; 103-connecting ear; 104-adjusting slider; 105-mounting plate; 106-adjusting gear; 107-large gear ring; 108-driving gear; 109-adjusting motor; 110-adjusting screw; 111-adjusting slide; 201-hydraulic cylinder; 202-hammer forging plate; 203-hammer forging spring; 204-motor seat; 205-pitch motor; 206-pitch cam; 207-hammer forging center rod; 208-angle measuring plate one; 209-angle measuring plate two; 210-small horizontal plate one; 211-small vertical plate one; 212-extension plate; 213-small horizontal plate two; 214-small vertical plate two; 215-hammer head; 216-scale. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present invention.

[0032] like Figure 1-Figure 7 The hammer head device of a hydraulic radial forging machine shown in the figure includes a circular bracket 3, on which an angle adjustment component 1 and a radial forging component 2 are installed. The angle adjustment component 1 can adjust the angle of hammer forging. When processing an ordinary shaft, the hammer forging angle is made to coincide radially with the circular bracket 3. If a shaft with a taper needs to be processed, the angle is adjusted by the angle adjustment component 1; the radial forging component 2 can monitor the drop when processing the shaft shoulder position to ensure precision workmanship.

[0033] In this embodiment, the angle adjustment assembly 1 includes four rotating rods 101, which are hinged on the first side of the circular bracket 3. Three grooves are set on the first side of the circular bracket 3, and there are shafts in the grooves. The rotating rods 101 rotate on the shafts, and then the circular cover plate 4 is installed for protection. The rotating rods 101 are equipped with radial forging components 2, and the angle of hammer forging is adjusted by rotating the rotating rods 101. Through the above technical solution, the hammer forging angle can be adjusted according to demand. When processing a tapered shaft, the shaft can be hammer forged from the front, the force is more uniform, the hammer forging effect is better, and the quality of the shaft is improved. An angle adjustment rod 102 is hinged on the rotating support rod 101, a connecting ear 103 is fixedly installed on the rotating support rod 101, the angle adjustment rod 102 is hinged to the rotating support rod 101 through the connecting ear 103, an adjustment slider 104 is hinged on the angle adjustment rod 102, a mounting plate 105 and an adjustment slot 111 are fixedly installed on the circular bracket 3, the adjustment slider 104 is slidably installed in the adjustment slot 111, and the angle of the rotating support rod 101 is adjusted by driving the adjustment slider 104.

[0034] In this embodiment, a large toothed ring 107 is rotatably mounted on the second side of the circular bracket 3, an adjusting motor 109 is fixedly mounted on the circular bracket 3, a driving gear 108 is fixedly mounted on the rotating shaft of the adjusting motor 109, the driving gear 108 is meshed with the large toothed ring 107, an adjusting gear 106 is rotatably mounted on the mounting plate 105, and the four adjusting gears 106 are driven to rotate by the large toothed ring 107, an adjusting lead screw 110 is fixedly mounted on the adjusting gear 106, the adjusting lead screw 110 is rotatably mounted on the mounting plate 105, and a threaded hole is provided in the adjusting slider 104 and cooperates with the adjusting lead screw 110. Through the above technical solution, the rotation of the large toothed ring 107 can drive multiple adjusting gears 106 at the same time, and all rotating support rods 101 can be adjusted at the same time to ensure angle synchronization, and the use of the adjusting lead screw 110 to drive the adjusting gear 106 to move a more accurate distance, with high adjustment accuracy, and has a self-locking feature to prevent the angle from automatically changing after adjustment, thereby ensuring the accuracy of the final hammer forging and improving the processing quality. Start the adjustment motor 109 to drive the active gear 108, and adjust the adjustment gear 106 to rotate through the large gear ring 107. The adjustment gear 106 drives the adjustment screw 110 to rotate. The adjustment screw 110 drives the adjustment slider 104 to slide in the adjustment slot 111, and then the adjustment slider 104 drives the angle adjustment rod 102 and then drives the rotating support rod 101, thereby completing the angle adjustment.

[0035] In this embodiment, the radial forging assembly 2 includes a hammer forging center rod 207, which is slidably mounted in the rotating support rod 101, and a hammer head 215 is fixedly mounted at the bottom of the hammer forging center rod 207 for hammer forging. Angle measuring plate 1 208 and angle measuring plate 2 209 are slidably mounted on both sides of the hammer forging center rod 207, and small vertical plate 1 211 and small vertical plate 2 214 are fixedly mounted at the bottom ends of angle measuring plate 1 208 and angle measuring plate 2 209. The bottom ends of small vertical plate 1 211, hammer head 215, and small vertical plate 2 214 overlap and are sequentially distributed along the axial direction. When machining shafts with different diameters, the shaft close to the clamping device is thicker, so small vertical plate 2 214 is close to the shaft, small vertical plate 2 214 and angle measuring plate 2 209 are fixed by small horizontal plate 2 213, and small vertical plate 1 211 is fixed by small horizontal plate 1 210 to angle measuring plate 1 208.

[0036] The bottom end of the small vertical plate 1 211 is fixedly provided with an extension plate 212. Through the above technical scheme, when processing a shaft with a shoulder, it is possible to measure through the small vertical plate 1 211 and the small vertical plate 2 214. The position of the hammer head 215 forging forms a drop with the small vertical plate 2 214. The drop can be seen at the position of the scale 216 indicated by the angle measuring plate 209, so as to ensure the accuracy of the hammer forging. The bottom surface of the extension plate 212 can contact the thinner part of the shaft, and the hammer head 215 hammers the thicker part. The scale 216 is provided on the hammer forging center rod 207, and the angle measuring plate 1 208 and the angle measuring plate 209 correspond to the scale 216. The hydraulic cylinder 201 is fixedly provided on the rotating support rod 101. The hydraulic cylinder 201 drives the hammer forging center rod 207 through the adjusting mechanism, and the adjusting mechanism can adjust the stroke of the hammer forging center rod 207.

[0037] In this embodiment, the adjustment mechanism includes a motor seat 204, which is fixedly mounted on the hammer forging center rod 207, a spacing motor 205 is fixedly mounted on the motor seat 204, a spacing cam 206 is fixedly mounted on the rotating shaft of the spacing motor 205, the spacing cam 206 is elliptical, and the four circumferential surfaces are cut flat to fit the hammer forging center rod 207, a hammer forging plate 202 is fixedly mounted on the cylinder arm of the hydraulic cylinder 201, the hammer forging plate 202 is in contact with the top of the spacing cam 206, and a hammer forging spring 203 is fixedly mounted between the hammer forging center rod 207 and the hammer forging plate 202. Through the above technical solution, the spacing cam 206 is elliptical and the upper and lower distances can change when rotating, the most precise and largest force-bearing part of the hydraulic cylinder 201 is limited, and an excessively long stroke is not conducive to hammer forging, and the quality of hammer forging cannot be guaranteed to be consistent, so the spacing cam 206 is adjusted so that even if the stroke of the hydraulic cylinder 201 remains unchanged, the distance of the hammer forging can be changed.

[0038] The present embodiment proposes a hydraulic radial forging machine hammer device, and its specific working principle is: the shaft to be processed is clamped by a clamping device, which can rotate and feed. Before hammer forging, it is first determined what type of shaft to be processed. In the present embodiment, shafts with shoulders of different diameters are used as examples. First, the adjusting motor 109 is started, and the adjusting motor 109 drives the active gear 108, and the active gear 108 drives the large gear ring 107. The large gear ring 107 rotates and drives the adjusting gear 106. The adjusting gear 106 drives the adjusting slider 104 through the adjusting screw 110. The adjusting slider 104 drives the rotating support rod 101 to adjust the angle through the angle adjustment rod 102, and then adjusts the spacing cam 206, starts the spacing motor 205, and the spacing motor 205 drives the spacing cam 206 to rotate, and the hammer forging center rod 207 and the hammer forging plate 202 are respectively fitted with the lower end and upper end of the spacing cam 206. At this time, it is adjusted to the hammer forging plate 202 and the hammer forging center rod 207 is the farthest, and then the hydraulic cylinder 201 is started. The hydraulic cylinder 201 drives the hammer forging plate 202, and the hammer forging plate 202 moves downward through the spacing cam 206 and the hammer forging center rod 207. The circumferential cutting of the spacing cam 206 can ensure stability and will not fall off when the hammer forging plate 202 is pressed downward. When moving downward, the small horizontal plate 1 210 and the small horizontal plate 2 213 are stuck on the upper end of the hammer head 215, and then the extension plate 212 contacts the shaft, and then the hammer head 215 also contacts the shaft for hammer forging. After a period of time, the hammer forging position forms a shaft shoulder with other positions, and the extension plate 212 and the hammer head 215, and the small vertical plate 214 and the hammer head 215 also form a drop. Because the small vertical plate 214 is in a position that has not been hammer forged, there is a drop, and it can be read through the scale 216. When processing a rougher position, adjust the spacing cam 206 to make the hammer forging plate 202 and the hammer forging center rod 207 closer, and then gradually perform hammer forging.

[0039] In the description of the present invention, the terms "first", "second", "another", and "yet another" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0040] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0041] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A hydraulic radial forging machine hammer device, comprising a circular bracket (3), characterized in that: The circular bracket (3) is provided with an angle adjustment component (1) and a radial forging component (2). The angle adjustment component (1) comprises a rotating support rod (101) which is hinged to a first side of the circular bracket (3). The radial forging component (2) is installed in the rotating support rod (101). The angle of hammer forging is adjusted by rotating the rotating support rod (101).

2. A hydraulic radial forging machine hammer device according to claim 1, characterized in that: The rotating support rod (101) is hinged with an angle adjustment rod (102), and the angle adjustment rod (102) is hinged with an adjustment slider (104). The circular bracket (3) is fixedly provided with a mounting plate (105) and an adjustment slide groove (111). The adjustment slider (104) is slidably mounted in the adjustment slide groove (111), and the angle of the rotating support rod (101) is adjusted by driving the adjustment slider (104).

3. A hydraulic radial forging machine hammer device according to claim 2, characterized in that: A large toothed ring (107) is rotatably mounted on the second side of the circular bracket (3); an adjusting gear (106) is rotatably mounted on the mounting plate (105) and meshes with the large toothed ring (107); an adjusting screw (110) is fixedly mounted on the adjusting gear (106); a threaded hole is provided in the adjusting slider (104) and cooperates with the adjusting screw (110); The circular bracket (3) is fixedly provided with an adjusting motor (109), the rotating shaft of the adjusting motor (109) is fixedly provided with a driving gear (108), and the driving gear (108) is meshed with a large gear ring (107).

4. A hydraulic radial forging machine hammer device according to claim 3, characterized in that: The radial forging assembly (2) comprises a hammer forging center rod (207), the hammer forging center rod (207) is slidably mounted in the rotating support rod (101), and a hammer head (215) is fixedly mounted at the bottom end of the hammer forging center rod (207) for hammer forging.

5. A hydraulic radial forging machine hammer device according to claim 4, characterized in that: Angle measuring plate 1 (208) and angle measuring plate 2 (209) are slidably mounted on both sides of the hammer forging center rod (207), and small vertical plate 1 (211) and small vertical plate 2 (214) are fixedly mounted on the bottom ends of the angle measuring plate 1 (208) and the angle measuring plate 2 (209). The bottom ends of the small vertical plate 1 (211), the hammer head (215) and the small vertical plate 2 (214) overlap and are sequentially distributed along the axial direction.

6. A hydraulic radial forging machine hammer device according to claim 5, characterized in that: An extension plate (212) is fixedly mounted on the bottom end of the small vertical plate 1 (211).

7. A hydraulic radial forging machine hammer device according to claim 6, characterized in that: The hammer forged center rod (207) is provided with a scale (216), and the angle measuring plate 1 (208) and the angle measuring plate 2 (209) correspond to the scale (216).

8. A hydraulic radial forging machine hammer device according to claim 7, characterized in that: A hydraulic cylinder (201) is fixedly mounted on the rotating support rod (101), and the hydraulic cylinder (201) drives the hammer forging center rod (207) through an adjusting mechanism, and the adjusting mechanism can adjust the travel of the hammer forging center rod (207).

9. A hydraulic radial forging machine hammer device according to claim 8, characterized in that: The adjustment mechanism comprises a motor seat (204), the motor seat (204) is fixedly mounted on a hammer forged center rod (207), a spacing motor (205) is fixedly mounted on the motor seat (204), a spacing cam (206) is fixedly mounted on the rotating shaft of the spacing motor (205), and the spacing cam (206) is elliptical; A hammer forging plate (202) is fixedly mounted on the cylinder arm of the hydraulic cylinder (201), the hammer forging plate (202) contacts the top end of the spacing cam (206), and a hammer forging spring (203) is fixedly mounted between the hammer forging center rod (207) and the hammer forging plate (202).

10. A hydraulic radial forging machine hammer device according to claim 9, characterized in that: The four circumferential surfaces of the spacing cam (206) are flattened to fit the hammer-forged center rod (207).

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