Clamp head clamping mechanism of forging manipulator
By using a four-jaw head structure and a servo motor-driven uniform clamping mechanism, the problem of uneven pressure application by the forging manipulator jaws has been solved, resulting in improved surface finish and high-temperature resistance of the forgings.
Patent Information
- Application Number
- CN202520442595.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Currently, the two jaw arms of the forging manipulator cannot apply uniform pressure to the workpiece, resulting in indentations on the surface of the forging.
It adopts a four-jaw head structure, and the threaded rod driven by the servo motor moves the column and connecting plate to achieve a symmetrical layout of the four jaws. Combined with the jaw base of gradient composite material and anti-slip texture design, it ensures uniform pressure application.
It achieves uniform radial pressure on the workpiece, reduces indentations on the forging surface, improves high-temperature resistance, and extends service life.
Smart Images
Figure CN223916548U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to forging manipulator equipment technical field especially relates to a kind of forging manipulator tong head clamping mechanism. BACKGROUND
[0002] Forging manipulator tong head clamping mechanism is one of the core components of forging manipulator, for clamping and operating forging. Its design needs to meet the requirements of high strength, high precision and high reliability, to ensure stable operation under high temperature, high pressure and complex working conditions.
[0003] The current forging manipulator tong head is composed of two tong arms to form clamping mechanism, but the present inventor gradually found that the current two tong arms cannot uniformly press the workpiece, causing the problem of indentation on the surface of forging, therefore, we propose a kind of forging manipulator tong head clamping mechanism. UTILITY MODEL CONTENT
[0004] In order to overcome the defects of the prior art pointed out above, the present inventor has made in-depth research, and after a lot of creative labor, the present utility model is completed.
[0005] Specifically, the technical problem to be solved by the present utility model is to provide a kind of forging manipulator tong head clamping mechanism to solve the technical problem that the current two tong arms cannot uniformly press the workpiece, causing the problem of indentation on the surface of forging.
[0006] To solve the above technical problems, the present utility model provides the following technical solutions:
[0007] A kind of forging manipulator tong head clamping mechanism, including hollow shaft, one end of the hollow shaft is installed with power part, the power part is fixedly installed with fixed frame, four tong arms are installed on the fixed frame, and four tong arms are equidistantly arranged along the axial direction of the fixed frame, claw head is respectively installed on the tong arm, the claw head is driven by driving device, four claw heads can avoid unilateral stress concentration, to reduce the indentation on the surface of forging.
[0008] As an improved technical solution, the driving device includes servo motor, the servo motor is installed on the fixed frame, the fixed frame is vertically provided and rotationally installed with threaded rod, the threaded rod is in transmission connection with the output shaft of the servo motor;
[0009] The outer surface of the threaded rod is connected with a moving column, the moving column is installed with a connecting plate through a hinged seat, and the end, away from the moving column, of the connecting plate is connected with the corresponding clamping arm respectively, in application, through starting the servo motor, the output shaft on the servo motor drives the threaded rod to rotate, the threaded rod drives the moving column to move along the outer surface of the threaded rod, the moving column drives the connecting plate to move towards the direction of the servo motor, the connecting plate drives the clamping arm and the claw head to move towards the direction of closing, and the workpiece is clamped, that is, the clamping of the workpiece can be completed, so that the workpiece is conveniently clamped, and the workpiece can be uniformly pressed, so as to avoid the concentration of unilateral stress, and thus the indentation on the surface of the forging can be reduced.
[0010] As an improved technical solution, the end, away from the moving column, of the connecting plate is connected with the clamping arm through a reinforcing fastener, so as to connect the connecting plate and the clamping arm together.
[0011] As an improved technical solution, the end, away from the fixed frame, of the clamping arm is connected with the claw head through a reinforcing fastener, so as to connect the clamping arm and the claw head together.
[0012] As an improved technical solution, the claw head is made of gradient composite material, the claw head base body is heat-resistant die steel, and the surface layer is tungsten-carbon-cobalt hard alloy, compared with the traditional one, the high-temperature resistance performance can be improved, and the service life can be prolonged.
[0013] As an improved technical solution, the inner side of the claw head is provided with anti-skid lines for anti-skid, so as to play an anti-skid role.
[0014] After the above technical solution is adopted, the beneficial effects of the present application are as follows:
[0015] 1. The symmetrical arrangement of the four claw heads can uniformly press the workpiece in the radial direction, and is especially suitable for clamping cylindrical or special-shaped blanks, compared with the double-claw structure, the four claw heads can avoid unilateral stress concentration, so as to reduce the indentation on the surface of the forging.
[0016] 2. The claw head is made of gradient composite material, the claw head base body is heat-resistant die steel, and the surface layer is tungsten-carbon-cobalt hard alloy, compared with the traditional one, the high-temperature resistance performance can be improved, and the service life can be prolonged. DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0018] Figure 1 It is the whole front view structure schematic diagram of the utility model.
[0019] Figure 2 It is the whole side view structure schematic diagram of the utility model.
[0020] Figure 3 It is the whole front view structure schematic diagram of the utility model. Figure 2 It is the enlarged structure schematic diagram of A place in the middle.
[0021] Figure 4 It is the claw head structure schematic diagram of the utility model.
[0022] Mark explanation:
[0023] In the drawing: 1, hollow shaft;2, power part;3, fixed frame;4, clamp arm;5, claw head;501, anti-skid line;6, servo motor;7, threaded rod;8, moving column;9, connecting plate. Specific implementation
[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.
[0026] Meanwhile, "and / or" or "and / or" appearing throughout the text means that it includes three schemes. Taking "A and / or B" as an example, it includes A scheme, or B scheme, or A and B schemes.
[0027] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.
[0028] Referring to Figures 1-4 , a forging manipulator tong head clamping mechanism is provided, which comprises a hollow shaft 1, a power part 2 is installed on one end of the hollow shaft 1, a fixed frame 3 is fixedly installed on the power part 2, four tong arms 4 are installed on the fixed frame 3, and the four tong arms 4 are equidistantly arranged along the axial direction of the fixed frame 3, claw heads 5 are respectively installed on the tong arms 4, the claw heads 5 are driven by a driving device, the symmetrical arrangement of the four claw heads 5 can uniformly press the workpiece in the radial direction, and it is especially suitable for clamping cylindrical or special-shaped blanks. Compared with the double-claw structure, the four claw heads 5 can avoid unilateral stress concentration to reduce the surface indentation of the forgings.
[0029] Referring to Figures 1-3 , the driving device comprises a servo motor 6, the servo motor 6 is installed on the fixed frame 3, a threaded rod 7 is vertically arranged and rotatably installed on the fixed frame 3, and the threaded rod 7 is in transmission connection with the output shaft of the servo motor 6.
[0030] The outer surface of the threaded rod 7 is matched with a moving column 8, the moving column 8 is installed with a connecting plate 9 through a hinged seat, one end of the connecting plate 9 away from the moving column 8 is respectively connected with the tong arms 4, in application, the servo motor 6 is started, at this time, the output shaft of the servo motor 6 drives the threaded rod 7 to rotate, the threaded rod 7 drives the moving column 8 to move in threads along the outer surface of the threaded rod 7, the moving column 8 drives the connecting plate 9 to move towards the servo motor 6, the connecting plate 9 drives the tong arms 4 and the claw heads 5 to move towards each other, and the workpiece is clamped, that is, the clamping of the workpiece can be completed, so that the workpiece is clamped conveniently, and the workpiece can be uniformly pressed to avoid the concentration of unilateral stress, thereby reducing the indentation on the surface of the forgings.
[0031] Referring to Figure 2 and Figure 3 , one end of the connecting plate 9 away from the moving column 8 is connected with the tong arms 4 through a reinforcing fastener (composed of a reinforcing bolt and a reinforcing nut), so as to connect the connecting plate 9 and the tong arms 4 together.
[0032] Referring to Figure 1 and Figure 2 , one end of the tong arms 4 away from the fixed frame 3 is connected with the claw heads 5 through a reinforcing fastener (composed of a reinforcing bolt and a reinforcing nut), so as to connect the tong arms 4 and the claw heads 5 together.
[0033] Referring to Figure 1 , Figure 2 and Figure 4The claw head 5 is made of gradient composite material, the base body of the claw head 5 is heat-resistant die steel, and the surface layer is tungsten-carbon-cobalt hard alloy, which still maintains the hardness of HRC (Rockwell hardness) above 55 under the working condition of 800-1200 DEG C, and the service life is 3 times of that of ordinary material, so that the high-temperature resistance performance can be improved, and the service life can be prolonged.
[0034] With reference to Figure 1 , Figure 2 and Figure 4 , the inner side of the claw head 5 is provided with anti-skid lines 501 for preventing sliding, so as to prevent sliding.
[0035] In actual use, the servo motor 6 fixed on the fixing frame 3 is started, at this time, the output shaft of the servo motor 6 drives the threaded rod 7 to rotate, the threaded rod 7 drives the moving column 8 to move along the outer surface of the threaded rod 7 in a threaded manner, the moving column 8 drives the connecting plate 9 to move towards the servo motor 6, the connecting plate 9 drives the clamp arm 4 and the claw head 5 to move towards each other, and the workpiece is clamped, that is, the clamping of the workpiece can be completed, so that the workpiece can be clamped conveniently, and the workpiece can be uniformly pressed, so as to avoid the concentration of unilateral stress, and the pressure mark on the surface of the forging can be reduced.
[0036] It should be understood that the use of these embodiments is only for illustrating the utility model and is not intended to limit the protection scope of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various changes, modifications and / or variations to the utility model, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.
Claims
1. A clamping mechanism for a forging manipulator, comprising a hollow shaft (1), wherein a power unit (2) is mounted on one end of the hollow shaft (1), characterized in that: A fixed frame (3) is fixedly installed on the power unit (2). Four clamp arms (4) are installed on the fixed frame (3), and the four clamp arms (4) are equidistant from each other along the axial direction of the fixed frame (3). Claw heads (5) are respectively installed on the clamp arms (4), and the claw heads (5) are driven by the drive device.
2. The forging manipulator clamping mechanism according to claim 1, characterized in that: The driving device includes a servo motor (6), which is mounted on the fixed frame (3). A threaded rod (7) is vertically mounted and rotatably installed on the fixed frame (3). The threaded rod (7) is connected to the output shaft of the servo motor (6) via a transmission. The outer surface of the threaded rod (7) is fitted with a movable column (8), and a connecting plate (9) is mounted on the movable column (8) through a hinge seat. The end of the connecting plate (9) away from the movable column (8) is respectively connected to the clamp arm (4).
3. The forging manipulator clamping mechanism according to claim 2, characterized in that: The end of the connecting plate (9) away from the moving column (8) is connected to the clamp arm (4) by a reinforcing fastener.
4. The forging manipulator clamping mechanism according to claim 1, characterized in that: The end of the clamp arm (4) away from the fixing frame (3) is connected to the claw head (5) by a reinforcing fastener.
5. The forging manipulator clamping mechanism according to claim 1, characterized in that: The claw (5) is made of gradient composite material, and the base of the claw (5) is heat-resistant mold steel, and the surface layer is tungsten carbide hard alloy.
6. The forging manipulator clamping mechanism according to claim 5, characterized in that: The inner side of the claw (5) is provided with anti-slip grooves (501) for preventing slipping.