An adjustable forging clamping device

Abstract

This invention provides an adjustable forging clamping device, including a mounting base with two sets of opposing grippers hinged to both ends. A mounting frame is provided on the mounting base, and two sets of sliding frames are slidably mounted on the mounting frame. Each set of sliding frames is connected to one set of grippers via a transmission component, which converts the sliding of the sliding frames into the opening and closing of the two sets of grippers. A driving component is provided on the mounting frame to drive the sliding of the set of sliding frames furthest from the grippers. An elastic element is provided between the two sets of sliding frames. One set of sliding frames is equipped with an adjustment component connected to the other set, which adjusts the maximum distance between the two sets of sliding frames. By adjusting the maximum distance between the two sets of sliding frames, multi-point clamping of shaft forgings with different diameters at both ends is achieved. Furthermore, by clamping both ends of the shaft forging, rotation of the shaft forging on the clamping device caused by single-point clamping is effectively avoided, improving the safety of the forging during movement.

Description

Technical Field

[0001] This utility model specifically relates to an adjustable forging clamping device. Background Technology

[0002] Forging, a long-established metal plastic forming process, is based on applying localized compressive force to induce plastic deformation in metal raw materials, thereby precisely changing their shape and size. This process not only endows metal workpieces with specific geometric shapes but also significantly improves their internal structure, resulting in excellent mechanical properties, high dimensional accuracy, and good surface quality.

[0003] For some high-precision forgings, manual forging is required, where workers use clamps to hold the high-temperature blanks. During this process, the forging worker must continuously clamp the blank with one hand and constantly flip it. Currently, clamping devices for shaft forgings generally adopt a single-point clamping method. These devices typically contact the surface of the shaft forging through a single clamping point, relying on the friction of the contact surface for fixation. For example, Chinese Patent CN112872279A provides a handheld forging clamping device for machining. This device utilizes the interaction between a lead screw, a lead screw nut, and a support arm to firmly clamp the blank, significantly reducing the burden on the forging worker's hands and making it easier to flip and forge the blank, thus improving the quality of the casting.

[0004] However, due to the rotational symmetry of shaft forgings, single-point clamping is insufficient to provide effective anti-rotation restraint. During the forging process, when subjected to external impacts, vibrations, or when operators adjust their posture, shaft forgings are prone to relative rotation with the clamping device, and in severe cases, they may even detach from the clamping device. This phenomenon not only interferes with normal forging processes and reduces production efficiency, but also poses a direct threat to the personal safety of operators due to the accidental drop or ejection of high-temperature forgings, resulting in a significant decrease in production safety. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model proposes an adjustable forging clamping device to solve the technical problem mentioned in the background art: when clamping shaft forgings, most existing handheld forging clamping devices only clamp the shaft forgings at a single point, which leads to the shaft forgings easily rotating relative to the clamping device and falling off, thus reducing safety.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an adjustable forging clamping device, comprising: The mounting base has two sets of opposing grippers hinged at both ends; The mounting frame is set on the mounting base and has two sets of sliding frames. Each set of sliding frames is connected to one set of grippers through a transmission component. The transmission component converts the sliding of the sliding frames into the opening and closing of the two sets of grippers. A driving assembly, disposed on the mounting frame, drives a set of sliding frames away from the gripper to slide, and an elastic element is disposed between the two sets of sliding frames; and An adjustment component is provided on one set of the sliding frames and connected to the other set of the sliding frames to adjust the maximum distance between the two sets of sliding frames.

[0007] In a preferred embodiment, the transmission assembly includes: A positioning frame is provided on the sliding frame; The crank has two sets, each fixedly connected to one of the two sets of clamps; and The connecting rod is provided in two sets, one end of which is hinged to the positioning frame and the other end of which is hinged to the end of the crank.

[0008] In a preferred embodiment, the mounting base is provided with a positioning rod, and the positioning frame is slidably sleeved on the positioning rod.

[0009] In a preferred embodiment, the driving component includes: The first grip is fixedly mounted on the mounting frame; and The push rod slides through the mounting frame, with one end fixedly connected to one of the sliding frames and the other end provided with a second handle.

[0010] In a preferred embodiment, a set screw is screwed onto the mounting frame, and the end of the set screw can abut against the push rod.

[0011] In a preferred embodiment, the adjustment component includes: A threaded rod, one end of which is screwed to a set of sliding frames away from the jaws, and the other set of sliding frames is slidably sleeved on the threaded rod; A knob is provided on the threaded rod; and A positioning pin is disposed on the threaded rod and slides through the mounting base.

[0012] In a preferred embodiment, an anti-slip pad is provided on the inner side of the gripper.

[0013] Compared with the prior art, the present invention has the following beneficial effects: In use, the device drives a set of sliding frames away from the grippers via a drive assembly, and controls the synchronous sliding of the two sets of sliding frames under the action of an elastic element. During the sliding process, the sliding frames drive the two sets of grippers to open and close via a transmission assembly, thereby clamping both ends of the shaft forging. When the diameters of the two ends of the shaft forging are different, the maximum distance between the two sets of sliding frames can be adjusted via an adjustment assembly. This allows the drive assembly to continue controlling the sliding of the other set of sliding frames after two sets of grippers have clamped the larger diameter end of the shaft forging, compressing the elastic element until the other two sets of grippers clamp the smaller diameter end of the shaft forging. By adjusting the maximum distance between the two sets of sliding frames, multi-point clamping of shaft forgings with different diameters at both ends is achieved. Furthermore, by clamping both ends of the shaft forging, rotation of the shaft forging on the clamping device caused by single-point clamping is effectively avoided, improving the safety of the forging during movement. Attached Figure Description

[0014] To more clearly illustrate the specific embodiments of this utility model, the accompanying drawings used in the specific embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to scale.

[0015] Figure 1 A three-dimensional structural diagram of an adjustable forging clamping device provided by this utility model; Figure 2 This is a cross-sectional view of an adjustable forging clamping device according to the present invention. Figure 3 This is a top view of an adjustable forging clamping device according to the present invention. Figure label: 1. Mounting base; 2. Positioning rod; 3. Mounting frame; 4. First grip; 5. Gripper; 6. Anti-slip pad; 7. Crank; 8. Push rod; 9. Second grip; 10. Slide frame; 11. Positioning frame; 12. Connecting rod; 13. Threaded rod; 14. Knob; 15. Positioning pin; 16. Elastic element; 17. Set screw. Detailed Implementation

[0016] The present invention will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present invention and should not be construed as limiting the scope of protection of the present invention. Those skilled in the art can make some non-essential improvements and adjustments to the present invention based on the above application content.

[0017] Example: like Figure 1 , 3As shown, this utility model provides an adjustable forging clamping device, including a mounting base 1, with two sets of opposing clamps 5 hinged at both ends. A mounting frame 3 is provided on the mounting base 1, and two sets of sliding frames 10 are slidably arranged on the mounting frame 3. Each set of sliding frames 10 is connected to one set of clamps 5 through a transmission component. The transmission component converts the sliding of the sliding frame 10 into the opening and closing of the two sets of clamps 5. The transmission component includes a positioning frame 11 provided on the sliding frame 10, and a positioning rod 2 provided on the mounting base 1. The positioning frame 11 is slidably sleeved on the positioning rod 2. Both sets of clamps 5 are fixedly provided with cranks 7. The device also includes two sets of connecting rods 12, one end of which is hinged to the positioning frame 11, and the other end is hinged to the end of the crank 7.

[0018] In use, the device allows the sliding frame 10 to slide, which in turn controls the positioning frame 11 to slide on the positioning rod 2. During this movement, the positioning frame 11, through the cooperation of the connecting rod 12 and the crank 7, controls the rotation of the gripper 5, allowing the two sets of grippers 5 to open and close to clamp the forging. Furthermore, an anti-slip pad 6, made of high-temperature resistant material, is provided on the inner side of the gripper 5 to increase the friction between the gripper 5 and the forging, thereby improving the clamping effect.

[0019] like Figure 1 , 2 As shown, in this embodiment, a driving component is provided on the mounting frame 3. The driving component drives a set of sliding frames 10 away from the gripper 5 to slide, and an elastic element 16 is provided between the two sets of sliding frames 10. The driving component includes a first handle 4 fixedly mounted on the mounting frame 3. A push rod 8 is slidably passed through the mounting frame 3. One end of the push rod 8 is fixedly connected to one of the sets of sliding frames 10, and the other end is provided with a second handle 9.

[0020] The push rod 8 can be controlled to slide on the mounting frame 3 by gripping the first grip 4 and the second grip 9. During the sliding process, the push rod 8 controls one set of sliding frames 10 to slide. During the sliding process, the elastic element 16 can push the other set of sliding frames 10 to slide. When the set of sliding frames 10 closes to the jaw 5 and clamps the larger diameter end of the shaft forging, there is still a certain sliding space in the other set of sliding frames 10. Then, the first grip 4 and the second grip 9 can be controlled to close until the other two sets of jaws 5 clamp the smaller diameter end of the shaft forging.

[0021] like Figure 2 , 3As shown, in this embodiment, one set of sliding frames 10 is also provided with an adjustment component connected to another set of sliding frames 10. The maximum distance between the two sets of sliding frames 10 is adjusted by the adjustment component. The adjustment component includes a threaded rod 13. One end of the threaded rod 13 is screwed to a set of sliding frames 10 away from the clamp 5. The other set of sliding frames 10 is slidably sleeved on the threaded rod 13. The threaded rod 13 is provided with a knob 14 and a positioning post 15. The positioning post 15 is slidably inserted into the mounting base 1.

[0022] When the diameters at both ends of a shaft forging are different, the screw rod 13 can be rotated on one set of sliding frames 10 by rotating the knob 14. The other set of sliding frames 10 can be pushed along the screw rod 13 by the knob 14 to pre-compress the elastic element 16. Then, the sliding frame 10 at the end of the push rod 8 can be controlled to slide by the first grip 4 and the second grip 9 so that the two sets of clamping jaws 5 can close, which is convenient for clamping and fixing shaft forgings with different diameters at both ends. In the initial state, the opening and closing distances of the two sets of clamping jaws 5 are different. When the elastic element 16 is compressed to the maximum compression, the opening and closing distances of the two sets of clamping jaws 5 remain the same, which is convenient for clamping shaft forgings with the same diameter.

[0023] like Figure 1 As shown, in this embodiment, a set screw 17 is screwed onto the mounting frame 3, and the end of the set screw 17 can abut against the push rod 8. After clamping both ends of the shaft forging, when long-term clamping is required, the set screw 17 can be rotated to make its end abut against the push rod 8, thereby limiting the position of the push rod 8 on the mounting frame 3. This eliminates the need to apply force to the first grip 4 and the second grip 9 for a long time, thus reducing the labor intensity of the workers.

[0024] The specific usage and beneficial effects of this utility model are as follows: In use, the device can drive a set of sliding frames 10 away from the gripper 5 to slide via the drive assembly, and control the two sets of sliding frames 10 to slide synchronously under the action of the elastic element 16. During the sliding process, the sliding frames 10 can drive the two sets of grippers 5 to open and close via the transmission assembly, thereby clamping both ends of the shaft forging. When the diameters of the two ends of the shaft forging are different, the maximum distance between the two sets of sliding frames 10 can be adjusted by the adjustment assembly, so that after two sets of grippers 5 clamp the end of the shaft forging with a larger diameter, the drive assembly can continue to control the other set of sliding frames 10 to slide and compress the elastic element 16 until the other two sets of grippers 5 clamp the end of the shaft forging with a smaller diameter. By adjusting the maximum distance between the two sets of sliding frames 10, the shaft forging with different diameters at both ends can be clamped at multiple points. By clamping both ends of the shaft forging, the rotation of the shaft forging on the clamping device caused by single-point clamping is effectively avoided, improving the safety of the forging during movement.

[0025] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above. Modifications or improvements can be made to this utility model, which is obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of this utility model fall within the scope of protection claimed by this utility model.

Claims

1. An adjustable forging clamp, comprising: Including: Mounting base (1), both ends are hinged with two sets of oppositely arranged grippers (5); The mounting frame (3) is set on the mounting base (1) and has two sets of sliding frames (10) slidably arranged. Each set of sliding frames (10) is connected to one set of grippers (5) through a transmission component. The sliding of the sliding frame (10) is converted into the opening and closing of the two sets of grippers (5) through the transmission component. A driving assembly, disposed on the mounting frame (3), drives a set of sliding frames (10) away from the gripper (5) to slide, and an elastic element (16) is disposed between the two sets of sliding frames (10); and An adjustment component is set on one set of the sliding frames (10) and connected to the other set of the sliding frames (10) to adjust the maximum distance between the two sets of the sliding frames (10).

2. An adjustable forging clamp as defined in claim 1, wherein: The transmission assembly includes: A positioning frame (11) is provided on the sliding frame (10); The crank (7) is provided in two sets, and is fixedly connected to the two sets of grippers (5) respectively; and The connecting rod (12) is provided in two sets, one end of which is hinged to the positioning frame (11) and the other end of which is hinged to the end of the crank (7).

3. An adjustable forging clamp as defined in claim 2 wherein: The mounting base (1) is provided with a positioning rod (2), and the positioning frame (11) is slidably sleeved on the positioning rod (2).

4. An adjustable forging clamp as defined in claim 1 wherein, The driving component includes: The first grip (4) is fixedly mounted on the mounting frame (3); and The push rod (8) is slidably inserted into the mounting frame (3), with one end fixedly connected to one of the sliding frames (10) and the other end provided with a second handle (9).

5. An adjustable forging clamp as defined in claim 4 wherein: A set screw (17) is screwed onto the mounting frame (3), and the end of the set screw (17) can abut against the push rod (8).

6. An adjustable forging clamp as defined in claim 1 wherein, The adjustment component includes: One end of the threaded rod (13) is screwed to a set of sliding frames (10) away from the jaws (5), and the other set of sliding frames (10) is slidably sleeved on the threaded rod (13); A knob (14) is provided on the threaded rod (13); and The positioning pin (15) is disposed on the threaded rod (13) and slides through the mounting base (1).

7. An adjustable forging clamp as defined in claim 1 wherein: The gripper (5) is provided with an anti-slip pad (6) on its inner side.

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