A drawing machine for forging

Abstract

The present application provides a kind of forging processing with drawing machine, including forging warehouse structure, the one side of the forging warehouse structure is provided with forging conveying structure, the other side of the forging warehouse structure is slidably connected with forging clamping structure, the inside of the forging warehouse structure is provided with forging drawing structure.The present application is reasonably designed, and the forging conveying structure, the forging clamping structure and the forging drawing structure are integrally arranged on the forging warehouse structure, and the complete drawing processing of the four sides of rectangular forging can be completed in a single device, replacing the scheme of traditional two drawing machines in series arrangement, which greatly reduces the equipment floor area, while reducing equipment procurement, installation and routine operation cost.

Description

Technical Field

[0001] This invention mainly relates to the field of forging processing, and specifically to a forging bending machine. Background Technology

[0002] After hot forging, forgings generally have a forging scale adhering to their surface, along with issues such as residual flash, uneven dimensional tolerances, and insufficient surface density. Therefore, a forging surface scraping, extrusion, and dimensional straightening process is required to remove the scale, standardize the dimensions, and improve surface density and flatness, providing qualified blanks for subsequent machining, heat treatment, or assembly processes. For forgings with rectangular cross-sections, all four sides must meet preset forging accuracy and surface quality requirements. Therefore, the forging must be flipped during processing to achieve complete forging of all four sides.

[0003] During the operation of specific embodiments, the inventors discovered the following defects: The arrangement of two tandem forging machines occupies a large area, significantly increasing the costs of equipment procurement, installation, and maintenance. Furthermore, the temperature of the forgings drops significantly during the transfer between the two machines. For forgings that need to be forged within a specific temperature range, the temperature drop leads to a decrease in material plasticity and a sharp increase in forging resistance, which not only exacerbates the wear and tear of the forging rollers but also easily causes quality defects such as surface cracking and work hardening of the forgings. In addition, the two machines have high requirements for feed coaxiality and alignment accuracy, making on-site debugging difficult and frequent material jamming and misalignment failures during the transfer process.

[0004] It should be noted that the above content falls within the scope of the inventor's technical knowledge. Due to the vast and complex nature of the technical content in this field, the above content of this application does not necessarily constitute prior art. Summary of the Invention

[0005] 1. The technical problem that the invention aims to solve: This invention provides a forging bending machine to solve the technical problems existing in the background art.

[0006] 2. Technical Solution: To achieve the above objectives, the technical solution provided by the present invention is as follows: a forging drawing machine for forging processing, comprising a forging chamber structure, a forging conveying structure provided on one side of the forging chamber structure, a forging clamping structure slidably connected to the other side of the forging chamber structure, and a forging drawing structure provided in the middle inside the forging chamber structure; The forging drawing structure includes a top and bottom drawing structure and a side drawing structure. The top and bottom drawing structure is located at the top and bottom of the forging chamber structure, and the side drawing structure is located on both sides of the forging chamber structure. The top and bottom drawing structure and the side drawing structure are arranged alternately.

[0007] Furthermore, the forging silo structure includes a silo body, with mounting plates provided at the top and bottom of the inner wall of the silo body. The top of the mounting plate at the bottom of the silo body is provided with a mounting groove, and the number of mounting grooves is set to multiple, with the multiple mounting grooves evenly distributed inside the mounting plate.

[0008] Furthermore, guide rails are provided on both sides of the outer wall of one end of the compartment, and a partition is provided in the middle of the inner side of the guide rails.

[0009] Furthermore, the forging conveying structure includes a base plate, which is disposed on the outer wall of the hopper. Multiple rollers are rotatably connected to both sides of the top of the base plate. A drive shaft is disposed between two rollers at one end of the base plate. A sprocket is disposed on the outer wall of the roller, and a chain is disposed on the outer wall of the sprocket.

[0010] Furthermore, the forging clamping structure includes a movable plate disposed between the two guide rails. Drive wheels are rotatably connected to both sides of the outer wall of the movable plate, and the drive wheels are rollingly connected to the top and bottom of the inner wall of the guide rails. Positioning shafts are provided at the top and bottom of the interior of one side of the movable plate.

[0011] Furthermore, rotating rings are rotatably connected to both sides of the outer wall of the positioning shaft, rotating frames are provided on the outer wall of the rotating rings, crossbars are provided between the two rotating frames, a first hydraulic telescopic rod is rotatably connected between the two crossbars, and clamping bars are provided at one end of the two rotating frames.

[0012] Furthermore, the top and bottom tensioning structure includes a hydraulic rod, a top extrusion wheel, and a bottom extrusion wheel. The hydraulic rod is located at the top of the chamber, and a connecting rod is provided at the output end of the hydraulic rod. A lifting bar is provided at the bottom of the connecting rod, and auxiliary rings are provided on both sides of the lifting bar. The top extrusion wheel is rotatably connected between the two auxiliary rings.

[0013] Furthermore, a positioning ring is provided at the bottom of the lifting bar, and the number of the positioning rings is set to multiple, with the multiple positioning rings evenly distributed at the bottom of the lifting bar, and the inner wall of the positioning rings fitting against the outer wall of the top extrusion wheel.

[0014] Furthermore, the bottom extrusion wheel is rotatably connected to the inner wall of the mounting groove, and the outer wall of the bottom extrusion wheel is in contact with the inner wall of the mounting groove.

[0015] Furthermore, the side tensioning structure includes a second hydraulic telescopic rod, which is disposed on both sides of the outer wall of the silo. The output end of the second hydraulic telescopic rod is provided with a side frame, and the side frame is rotatably connected to two side compression wheels.

[0016] 3. Beneficial effects: Compared with the prior art, the technical solution provided by this invention has the following advantages: This invention integrates the forging conveying structure, forging clamping structure and forging drawing structure on the forging chamber structure, so that the complete drawing process of the four sides of the rectangular forging can be completed in a single machine, replacing the traditional scheme of two drawing machines arranged in series, which greatly reduces the equipment footprint and reduces the cost of equipment procurement, installation and daily operation and maintenance. After the forgings are fed by the forging conveyor structure, the forgings are directly stretched on all sides within the cavity of the forging hopper structure. This eliminates the need for transfer between multiple machines, effectively reducing the temperature drop of the forgings during processing, maintaining the plasticity of the forging material, and reducing stretching resistance. This not only reduces the wear and tear on the top extrusion roller, bottom extrusion roller, and side extrusion rollers, extending the service life of the components, but also avoids quality defects such as surface cracking and work hardening of the forgings, ensuring the density and flatness of the forging surface. The top and bottom tensioning structure uses hydraulic rods and connecting rods to drive the lifting bars to move vertically, allowing adjustment of the vertical distance between the top and bottom extrusion rollers. The side tensioning structure uses a second hydraulic telescopic rod to drive the side frame to feed horizontally, allowing adjustment of the lateral distance between the two extrusion rollers. This allows for flexible adaptation to forgings with different cross-sectional dimensions, meeting various tensioning and calibrating accuracy requirements. At the same time, the positioning ring at the bottom of the lifting bar and the auxiliary rings on both sides together constrain the position of the top extrusion roller, while the bottom extrusion roller is embedded in the mounting groove of the mounting plate, ensuring smooth operation of the extrusion roller during tensioning and improving the uniformity of the forging surface finish. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural diagram of the forging chamber structure of the present invention; Figure 3 This is a three-dimensional structural diagram of the forging conveying structure of the present invention; Figure 4 This is a three-dimensional structural diagram of the forging clamping structure of the present invention; Figure 5 This is a three-dimensional structural diagram of the forging drawing structure of the present invention.

[0018] Figure label: 1. Forging hopper structure; 101. Hopper body; 102. Mounting plate; 103. Mounting groove; 104. Guide rail; 105. Partition plate; 2. Forging conveying structure; 201. Base plate; 202. Roller; 203. Drive shaft; 204. Sprocket; 205. Chain; 3. Forging clamping structure; 301. Moving plate; 302. Drive wheel; 303. Positioning shaft; 304. Rotating ring; 305. Rotating frame; 306. Crossbar; 307. First hydraulic telescopic rod; 308. Clamping bar; 4. Forging drawing structure; 401. Hydraulic rod; 402. Connecting rod; 403. Lifting bar; 404. Positioning ring; 405. Auxiliary ring; 406. Top extrusion wheel; 407. Second hydraulic telescopic rod; 408. Side frame; 409. Both sides extrusion wheels; 410. Bottom extrusion wheel. Detailed Implementation

[0019] To facilitate understanding of the present invention, a more complete description of the invention will be given below with reference to the accompanying drawings, which illustrate several embodiments of the invention. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the invention will be more thorough and complete.

[0020] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "page," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0022] In this invention, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "fixed," "provided with," and "located in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances. Example

[0023] See attached document Figure 1-5 A forging drawing machine includes a forging chamber structure 1, a forging conveying structure 2 is provided on one side of the forging chamber structure 1, a forging clamping structure 3 is slidably connected to the other side of the forging chamber structure 1, and a forging drawing structure 4 is provided in the middle inside the forging chamber structure 1. The forging drawing structure 4 includes a top and bottom drawing structure and a side drawing structure. The top and bottom drawing structure is located at the top and bottom of the forging chamber structure 1, and the side drawing structure is located on both sides of the forging chamber structure 1. The top and bottom drawing structure and the side drawing structure are arranged alternately.

[0024] Furthermore, the forging silo structure 1 includes a silo body 101. The top and bottom of the inner wall of the silo body 101 are provided with mounting plates 102. The top of the mounting plate 102 at the bottom of the silo body 101 is provided with a mounting groove 103. The number of mounting grooves 103 is set to multiple, and the multiple mounting grooves 103 are evenly distributed inside the mounting plate 102. The two sides of the outer wall at one end of the silo body 101 are provided with guide rails 104, and the middle of the inner side of the guide rails 104 is provided with a partition 105.

[0025] Furthermore, the forging conveying structure 2 includes a base plate 201, which is disposed on the outer wall of the hopper 101. Multiple rollers 202 are rotatably connected to both sides of the top of the base plate 201. A drive shaft 203 is disposed between two rollers 202 at one end of the base plate 201. A sprocket 204 is disposed on the outer wall of the roller 202, and a chain 205 is disposed on the outer wall of the sprocket 204. When the forging is placed on top of the roller 202, the motor is started. The motor drives the roller 202 on one side to rotate. The roller 202 drives the roller 202 on the other side to rotate through the drive shaft 203. The roller 202 drives the roller 202 on the same side to rotate through the sprocket 204 and chain 205 disposed on the outer wall. Then the roller 202 pushes the heated forging placed on top into the interior of the hopper 101.

[0026] Furthermore, the forging clamping structure 3 includes a movable plate 301 disposed between two guide rails 104. Drive wheels 302 are rotatably connected to both sides of the outer wall of the movable plate 301. The drive wheels 302 are rollingly connected to the top and bottom of the inner wall of the guide rails 104. Positioning shafts 303 are provided at the top and bottom of one side of the movable plate 301. Rotating rings 304 are rotatably connected to both sides of the outer wall of the positioning shafts 303. Rotating frames 305 are provided on the outer wall of the rotating rings 304. A crossbar 306 is provided between the two rotating frames 305. A first hydraulic telescopic rod 307 is rotatably connected between the two crossbars 306. A clamping bar 308 is provided at one end. The forgings that enter the hopper 101 are moved by the forging clamping structure 3. The first hydraulic telescopic rod 307 is activated, which drives the top and bottom crossbars 306 to move inward. The crossbars 306 drive the rotating ring 304 to rotate on the outer wall of the positioning shaft 303. The rotating frame 305 drives the clamping bar 308 to fit against the outer wall of the forging and clamp the forging. At the same time, the motor drives the drive wheel 302 to rotate. The drive wheel 302 moves on the inner wall of the guide rail 104, which drives the moving plate 301 to move back and forth along the direction of the guide rail 104 and pulls the forging to move inside the hopper 101.

[0027] Furthermore, the top and bottom tensioning structure includes a hydraulic rod 401, a top compression wheel 406, and a bottom compression wheel 410. The hydraulic rod 401 is disposed on the top of the chamber 101. A connecting rod 402 is disposed at the output end of the hydraulic rod 401. A lifting bar 403 is disposed at the bottom of the connecting rod 402. Auxiliary rings 405 are disposed on both sides of the lifting bar 403. The top compression wheel 406 is rotatably connected between the two auxiliary rings 405. A positioning ring 404 is disposed at the bottom of the lifting bar 403. The number of positioning rings 404 is set to multiple, and the multiple positioning rings 404 are evenly distributed on the lifting bar 403. At the bottom of bar 403, the inner wall of the positioning ring 404 is in contact with the outer wall of the top extrusion wheel 406, and the bottom extrusion wheel 410 is rotatably connected to the inner wall of the mounting groove 103. The outer wall of the bottom extrusion wheel 410 is in contact with the inner wall of the mounting groove 103. During the movement of the forging inside the chamber 101, the hydraulic rod 401 is activated, causing the hydraulic rod 401 to drive the connecting rod 402 to move downward. The connecting rod 402 drives the top extrusion wheel 406 to extrude the forging inside the chamber 101 through the lifting bar 403 and the auxiliary ring 405, so that the forging is stretched between the bottom extrusion wheel 410 and the top extrusion wheel 406.

[0028] Furthermore, the side-stretching structure includes a second hydraulic telescopic rod 407, which is disposed on both sides of the outer wall of the chamber 101. The output end of the second hydraulic telescopic rod 407 is provided with a side frame 408. The side frame 408 is rotatably connected to two extrusion rollers 409. After the top extrusion roller 406 separates from the forging, the second hydraulic telescopic rod 407 is activated, so that the second hydraulic telescopic rod 407 drives the two extrusion rollers 409 to contact the forging through the side frame 408 to stretch the forging, thereby achieving the stretching of the four sides of the moving forging.

[0029] According to the cross-sectional dimensions of the forging to be processed, the initial height of the top extrusion wheel (406), the initial distance between the two extrusion wheels (409), and the installation position of the bottom extrusion wheel (410) in the mounting groove (103) are adjusted in advance; the control system is powered on, each hydraulic component is reset, and the forging clamping structure (3) is returned to the initial position at the rear end of the guide rail (104).

[0030] The heated rectangular forging is placed on top of the roller (202) of the forging conveying structure (2). The control system starts the conveying drive motor, which drives all rollers (202) to rotate synchronously through the transmission shaft (203), sprocket (204) and chain (205). The rollers (202) rely on friction to convey the forging forward and send it into the tying station entrance inside the silo (101).

[0031] When the front end of the forging reaches the clamping station, the forging conveying structure (2) decelerates, and the control system controls the first hydraulic telescopic rod (307) to extend, pushing the upper and lower crossbars (306) to move towards each other, driving the rotating frame (305) to rotate around the positioning shaft (303), so that the upper and lower clamping bars (308) clamp the front end of the forging synchronously; after clamping in place, the drive wheel (302) starts, driving the moving plate (301) to move forward at a constant speed along the guide rail (104), and pulling the forging forward along the axial direction with a constant tension.

[0032] When the front end of the forging enters the top and bottom stretching station, the control system controls the hydraulic rod (401) to feed downwards, and drives the top extrusion wheel (406) to press down to the set size through the connecting rod (402) and the lifting bar (403), and together with the bottom extrusion wheel (410) in the bottom mounting groove (103), extrudes the upper and lower surfaces of the forging; the forging passes through the top and bottom stretching interval at a uniform speed under the traction of the forging clamping structure (3), and completes the stretching and calibrating and descaling of the upper and lower sides.

[0033] After the forging is completed at the top and bottom, the hydraulic rod (401) drives the top extrusion wheel (406) to lift and release; the forging continues to move forward into the side stretching station, and the control system controls the second hydraulic telescopic rods (407) on both sides to feed inward synchronously, and the side frame (408) drives the extrusion wheels (409) on both sides to clamp the left and right sides of the forging; the forging continues to pass through the side stretching section at a constant speed to complete the stretching process on the left and right sides.

[0034] After the forging passes through the tensioning area, the second hydraulic telescopic rod (407) drives the two extrusion rollers (409) to retract, the forging clamping structure (3) moves to the limit position at the front end of the guide rail (104), the first hydraulic telescopic rod (307) retracts, the clamping bar (308) releases the forging, and the finished forging is discharged from the front end of the chamber (101); then the drive wheel (302) reverses, driving the moving plate (301) to retract to the initial position, waiting for the next processing cycle.

[0035] The above-described embodiments are merely illustrative of certain implementations of the present invention, and are described in a relatively specific and detailed manner. However, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements are all within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the appended claims.

Claims

1. A forging bending machine, characterized in that: include A forging storage structure (1) is provided with a forging conveying structure (2) on one side of the forging storage structure (1), a forging clamping structure (3) is slidably connected to the other side of the forging storage structure (1), and a forging drawing structure (4) is provided in the middle inside the forging storage structure (1). The forging drawing structure (4) includes a top and bottom drawing structure and a side drawing structure. The top and bottom drawing structure is located at the top and bottom of the forging storage structure (1), and the side drawing structure is located on both sides of the forging storage structure (1). The top and bottom drawing structure and the side drawing structure are arranged alternately.

2. The forging bending machine according to claim 1, characterized in that: The forging silo structure (1) includes a silo body (101). The top and bottom of the inner wall of the silo body (101) are provided with mounting plates (102). The top of the mounting plate (102) at the bottom of the silo body (101) is provided with a mounting groove (103). The number of mounting grooves (103) is set to multiple, and the multiple mounting grooves (103) are evenly distributed inside the mounting plate (102).

3. A forging bending machine according to claim 2, characterized in that: The outer wall of one end of the compartment (101) is provided with guide rails (104) on both sides, and a partition (105) is provided in the middle of the inner side of the guide rails (104).

4. A forging bending machine according to claim 1, characterized in that: The forging conveying structure (2) includes a base plate (201), which is disposed on the outer wall of the hopper (101). Multiple rollers (202) are rotatably connected to the top two sides of the base plate (201). A drive shaft (203) is disposed between two rollers (202) at one end of the base plate (201). A sprocket (204) is disposed on the outer wall of the roller (202), and a chain (205) is disposed on the outer wall of the sprocket (204).

5. A forging bending machine according to claim 1, characterized in that: The forging clamping structure (3) includes a movable plate (301) disposed between two guide rails (104). Drive wheels (302) are rotatably connected to both sides of the outer wall of the movable plate (301). The drive wheels (302) are rolled to the top and bottom of the inner wall of the guide rail (104). Positioning shafts (303) are provided at the top and bottom of the interior of one side of the movable plate (301).

6. A forging bending machine according to claim 5, characterized in that: Rotating rings (304) are rotatably connected to both sides of the outer wall of the positioning shaft (303). Rotating frames (305) are provided on the outer wall of the rotating rings (304). A crossbar (306) is provided between the two rotating frames (305). A first hydraulic telescopic rod (307) is rotatably connected between the two crossbars (306). A clamping bar (308) is provided at one end of the two rotating frames (305).

7. A forging bending machine according to claim 1, characterized in that: The top and bottom tensioning structure includes a hydraulic rod (401), a top extrusion wheel (406), and a bottom extrusion wheel (410). The hydraulic rod (401) is located on the top of the chamber (101). A connecting rod (402) is provided at the output end of the hydraulic rod (401). A lifting bar (403) is provided at the bottom of the connecting rod (402). Auxiliary rings (405) are provided on both sides of the lifting bar (403). The top extrusion wheel (406) is rotatably connected between the two auxiliary rings (405).

8. A forging bending machine according to claim 7, characterized in that: The bottom of the lifting bar (403) is provided with a positioning ring (404), and the number of positioning rings (404) is set to multiple. The multiple positioning rings (404) are evenly distributed at the bottom of the lifting bar (403), and the inner wall of the positioning ring (404) is in contact with the outer wall of the top extrusion wheel (406).

9. A forging bending machine according to claim 7, characterized in that: The bottom extrusion wheel (410) is rotatably connected to the inner wall of the mounting groove (103), and the outer wall of the bottom extrusion wheel (410) is in contact with the inner wall of the mounting groove (103).

10. A forging bending machine according to claim 1, characterized in that: The side tensioning structure includes a second hydraulic telescopic rod (407), which is disposed on both sides of the outer wall of the chamber (101). The output end of the second hydraulic telescopic rod (407) is provided with a side frame (408), and the side frame (408) is rotatably connected to two side extrusion wheels (409).

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