Upsetting cover plate and hydraulic press
By designing the multifunctional structure of the upset cover plate, the problems of low upset efficiency and local deformation dead zone processing are solved, efficient upsetting and simplifying the process flow and reducing costs.
Patent Information
- Application Number
- CN202422245199.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-09-12
AI Technical Summary
The existing upsetting cover plates are less efficient during the upsetting process and are difficult to effectively deal with local deformation dead zones, resulting in a variety of processes and low production efficiency.
A upset cover plate is designed, including a cover plate body, a boss and an operating handle. One end face of the cover plate body is a flat surface and the other end face is a boss with a tapered structure. The operating handle is vertically connected to the cover plate body. The operating machine clamping operation handle can be placed and removed horizontally. The boss is used for local upsetting, integrating multiple uses into one, simplifying the process flow.
Improve upsetting efficiency, simplify process flow, reduce production costs, enhance deformation dead zone mechanical performance, and reduce storage space and auxiliary equipment processing costs.
Smart Images
Figure CN223043549U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of upset forging, and particularly relates to an upset cover plate and a hydraulic press. Background Art
[0002] Upsetting is a common metal processing technology that makes materials undergo plastic deformation by applying force. Existing upset cover plates usually have four pin holes arranged around the upset cover plate for inserting lifting pins. When upsetting parts are required, the lifting pins are inserted, and the workbench of the hydraulic press is pulled outwards. Then, the upset cover plate is lifted onto the workbench by a crane, and then the workbench is pushed back to its original position. After upsetting is completed, the workbench of the hydraulic press is pulled outwards again, and the upset cover plate is lifted out by a crane. The whole process takes a long time, affecting the upsetting efficiency. In addition, for the situation where the upsetting pressure of the hydraulic press is insufficient and local upsetting is required, or there are deformation dead zones on the upper and lower surfaces of the upset blank, generally, the drawing ratio before upsetting is increased to make the blank be forged solid before upsetting, resulting in more processes and lower production efficiency. Content of the Utility Model
[0003] The utility model aims to solve the technical problem of low existing upsetting efficiency.
[0004] On the one hand, the utility model provides an upset cover plate, which includes a cover plate body, a convex platform and an operating handle. One end face of the cover plate body along its thickness direction is a plane, and the other end face is provided with the convex platform. The convex platform has a tapered structure from the end close to the cover plate body to the direction away from the cover plate body. The extending direction of the operating handle is perpendicular to the thickness direction of the cover plate body. The operating handle is located on one side of the cover plate body and is connected to the cover plate body.
[0005] Optionally, the cover plate body is a square plate-like structure, and chamfers are provided at the four corners of the cover plate body.
[0006] Optionally, the convex platform is a frustum of a cone. Let the end face of the cover plate body provided with the convex platform be the first calibration surface, and the central axis of the convex platform passes through the center of the first calibration surface.
[0007] Optionally, the inclined angle of the inclined surface of the frustum of the cone is 75 - 80°.
[0008] Optionally, the operating handle is a cylindrical structure. Let the end face of the cover plate body connected to the operating handle be the second calibration surface, and the central axis of the operating handle passes through the center of the second calibration surface.
[0009] Optionally, an anti-rotation plane is provided on the circumferential side wall of the operating handle, and the anti-rotation plane is used for clamping by an operating machine.
[0010] Optionally, the cover plate body, the boss and the operating handle are integrally formed.
[0011] On the other hand, the present utility model provides a hydraulic press, which includes the upsetting cover plate described above.
[0012] Optionally, the hydraulic press further includes a workbench and an upper anvil. The upper anvil is arranged opposite to the workbench up and down. The upsetting cover plate is used to be placed vertically between the upsetting blank on the workbench and the upper anvil, and is used to broaden the upsetting blank under the rotation drive of the workbench.
[0013] Optionally, the hydraulic press further includes support columns. The support columns are arranged on both sides of the workbench and are used to support the driving device. The cover plate body of the upsetting cover plate is used to be placed between the two support columns on both sides, and the distance between the cover plate body and the two columns on both sides is equal.
[0014] The upsetting cover plate and the hydraulic press of the present utility model have at least the following advantages compared with the prior art:
[0015] The manipulator holds the operating handle, and can horizontally place the upsetting cover plate on the workbench of the hydraulic press. After upsetting is completed, the manipulator holds the operating handle again and removes the upsetting cover plate from the workbench, without repeatedly pulling the workbench, reducing the upsetting auxiliary time and improving the upsetting efficiency. In addition, one end face of the cover plate body of the upsetting cover plate along its thickness direction is a plane. Placing the plane of the cover plate body downward and fitting it with the upsetting blank can achieve general plane upsetting. The other end face of the cover plate body along its thickness direction is provided with a boss with a tapered structure from the end close to the cover plate body to the end far from the cover plate body. Placing the boss of the cover plate body downward and fitting it with the upsetting blank, the boss is equivalent to a concave opening tool, which can quickly compact the deformation dead zone of the upsetting blank such as the middle part, and then assist the flat anvil to flatten the edge, better meeting the needs of local upsetting, improving the mechanical properties of the deformation dead zone of the upsetting blank, and without performing relevant operations before upsetting the blank, simplifying the process flow, improving production efficiency and reducing production costs. In addition, the cover plate body is placed vertically and can be used as a narrow anvil for broadening the blank. Thus, each face of the cover plate body of the present upsetting cover plate has different uses, that is, it integrates the uses of multiple ordinary upsetting cover plates, can reduce the number of setups of the upsetting cover plates, reduce the occupation of storage space, and reduce the processing cost of auxiliary tools. Description of the Drawings
[0016] Figure 1 It is a schematic structural diagram of the upsetting cover plate according to an embodiment of the present utility model;
[0017] Figure 2 It is a partial structural schematic diagram of the hydraulic press according to an embodiment of the present utility model;
[0018] Figure 3 Schematic diagram of the upsetting process of the upsetting cover plate in the plane for the embodiment of the present utility model;
[0019] Figure 4 Schematic diagram of the upsetting process of the upsetting cover plate on the conical table surface for the embodiment of the present utility model;
[0020] Figure 5 Schematic diagram of the process of expanding and opening the edge of the upsetting cover plate for the embodiment of the present utility model.
[0021] Explanation of reference numerals:
[0022] 1. Upsetting cover plate; 11. Cover plate body; 111. Plane; 112. Chamfer; 113. First calibration surface; 114. Second calibration surface; 12. Boss; 13. Operating handle; 2. Backing plate; 3. Workbench; 4. Column; 5. Manipulator; 6. Upsetting blank; 7. Flat anvil. Detailed implementation manners
[0023] To make the above objects, features and advantages of the present utility model more obvious and understandable, the following will describe the specific embodiments of the present utility model in detail with reference to the drawings.
[0024] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "matching" 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 directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0025] In addition, it should also be noted that in the description of the present utility model, it should be stated that the terms indicating directions such as "upper", "lower", "front", "rear" in each embodiment are only for simplifying the description of the positional relationship based on the drawings of the specification, and do not represent that the indicated elements and devices etc. must be operated according to the specific directions and limited operations and methods and structures in the specification. Such terms indicating directions do not constitute a limitation to the present utility model.
[0026] An XYZ coordinate system is established herein. At the same time, it should be noted that the meanings represented by the foregoing X-axis, Y-axis, and Z-axis are only for facilitating the description of the present utility model and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model.
[0027] As Figure 1As shown in the figure, a upsetting cover plate 1 according to an embodiment of the present utility model includes a cover plate body 11, a boss 12 and an operating handle 13. One end face of the cover plate body 11 in its thickness direction is a plane 111, and the other end face is provided with the boss 12. The boss 12 has a tapered structure from the end close to the cover plate body 11 to the direction away from the cover plate body 11. The extending direction of the operating handle 13 is perpendicular to the thickness direction of the cover plate body 11. The operating handle 13 is located on one side of the cover plate body 11 and is connected to the cover plate body 11.
[0028] Specifically, the cover plate body 11 can be a thin plate-like structure. The cover plate body 11 is horizontally arranged, and the thickness direction of the cover plate body 11 is the Z direction. One end face of the cover plate body 11 in the Z direction is a plane 111, and the other end face in the Z direction is provided with a boss 12; the cover plate body 11 is connected with an operating handle 13 extending in the X direction at its end face in the X direction, or the cover plate body 11 is connected with an operating handle 13 extending in the Y direction at its end face in the Y direction; the operating handle 13 can be a slender rod-like structure for being clamped by an operating machine 5.
[0029] In this embodiment, as Figures 3 - 5 shown, the operating machine 5 clamps the operating handle 13, and can horizontally place the upsetting cover plate 1 on the workbench 3 of the hydraulic press. After upsetting is completed, the operating machine 5 clamps the operating handle 13 again to move the upsetting cover plate 1 out of the workbench 3, without repeatedly pulling the workbench 3, reducing the upsetting auxiliary time and improving the upsetting efficiency; in addition, one end face of the cover plate body 11 of the upsetting cover plate 1 in its thickness direction is a plane 111. As Figure 4 shown, placing the plane 111 of the cover plate body 11 downward and fitting it with the upsetting blank 6 can achieve general plane upsetting; the other end face of the cover plate body 11 in its thickness direction is provided with a boss 12 having a tapered structure from the end close to the cover plate body 11 to the direction away from the cover plate body 11. As Figure 3 shown, placing the boss 12 of the cover plate body 11 downward and fitting it with the upsetting blank 6, the boss 12 is equivalent to a concave opening tool, which can quickly compact the deformation dead zone of the upsetting blank 6 such as the middle part, and then assist the flat anvil 7 to flatten the edge, better meeting the local upsetting needs, improving the mechanical properties of the deformation dead zone of the upsetting blank 6, and without performing relevant operations before upsetting the blank, simplifying the process flow, improving the production efficiency and reducing the production cost. In addition, as Figure 5 shown, the cover plate body 11 is placed vertically and can be used as a narrow anvil for broadening the blank. It can be seen that each face of the cover plate body 11 of the upsetting cover plate 1 has different uses, that is, integrating the uses of multiple ordinary upsetting cover plates into one, which can reduce the number of setups of the upsetting cover plate 1, reduce the occupation of storage space and reduce the auxiliary tool processing cost.
[0030] As Figure 1As shown, optionally, the cover body 11 is a square plate structure, and chamfers 112 are provided on four corners of the cover body 11 .
[0031] Specifically, the cover body 11 is a square structure with a small thickness. The size of the cover body 11 can be determined according to the size of the upset blank 6 and the standard that it does not affect the movement of the manipulator 5 when placed on the workbench 3. Generally, the cross-sectional size of the cover body 11 is larger than the cross-sectional size of the upset blank 6. The cover body 11 is placed above the upset blank 6, and it can apply a uniform upset pressure to the upset blank 6. The cover body 11 adopts a square structure and has a relatively regular shape. It can be more intuitively and conveniently observed whether it is located in the middle of the workbench 3, without repeated alignment, shortening the upset time and improving the processing efficiency.
[0032] Here, among the four end faces of the cover body 11, namely, two end faces along the X direction and two end faces along the Y direction, a chamfer 112 is arranged between two adjacent end faces. By setting the chamfer 112, the edge of the cover body 11 is smoother and has no sharp corners, thereby reducing the risk of scratching other structures and making it safer to use. At the same time, fatigue cracks caused by stress concentration are avoided, the compressive and tensile properties of the cover body 11 are increased, and the service life of the upsetting cover plate 1 is extended.
[0033] like Figure 1 As shown, optionally, the boss 12 is a frustum, and an end surface of the cover body 11 provided with the boss 12 is a first marking surface 113 , and the central axis of the boss 12 passes through the center of the first marking surface 113 .
[0034] Specifically, the boss 12 is an inverted frustum, and the large bottom surface of the frustum is connected to the first calibration surface 113 of the cover plate body 11. The central axis of the frustum is set to pass through the center of the first calibration surface 113, that is, the frustum is connected to the middle of the first calibration surface 113 of the cover plate body 11. When the frustum is used to upset the blank, the upsetting force of the upsetting cover plate 1 on various parts of the blank is more uniform.
[0035] In some other embodiments, the boss 12 may be a tapered structure with a spherical circumferential side surface that is larger at the top and smaller at the bottom.
[0036] Optionally, the inclined surface of the cone has an inclination angle of 75-80°. The inclined surface of the cone has an inclination angle of 75-80° relative to the bottom surface of the cone, which can ensure compaction of the middle of the upset blank 6 without causing disadvantages in flattening the edges due to excessive forging depth.
[0037] Exemplarily, taking the cover plate body 11 being horizontally arranged as an example, the Z-direction dimension of the cover plate body 11 can be 500 - 600 mm. The projection of the cover plate body 11 on the XY plane is square, and the side length can be 2000 - 3000 mm. The diameter of the large bottom surface of the frustum is 1500 - 1600 mm, the diameter of the small bottom surface is 500 - 600 mm, and the dimension along the Z direction is 90 - 120 mm.
[0038] As Figure 1 shown, optionally, the operating handle 13 is of a cylindrical structure. One end face connecting the cover plate body 11 and the operating handle 13 is the second calibration surface 114, and the central axis of the operating handle 13 passes through the center of the second calibration surface 114.
[0039] Specifically, the operating handle 13 can be cylindrical, with a simple structure, high compressive capacity and strength, and good durability and wear resistance.
[0040] One end face of the cover plate body 11 along the X direction is the second calibration surface 114, and the central axis of the operating handle 13 passes through the center of the second calibration surface 114, that is, the operating handle 13 is connected to the middle part of the second calibration surface 114 of the cover plate body 11, and the operating machine 5 can clamp the upset cover plate 1 more stably.
[0041] Optionally, an anti-rotation plane is provided on the circumferential side wall of the operating handle 13, and the anti-rotation plane is used for being clamped by the operating machine 5.
[0042] Specifically, two relatively arranged anti-rotation planes are provided on the circumferential side wall of the operating handle 13. The operating machine 5 has two jaws that can be opened and closed. The two jaws are respectively in contact with the corresponding anti-rotation planes and approach each other to clamp the operating handle 13. Compared with the circular side wall, the clamping stability between the operating machine 5 and the operating handle 13 is more guaranteed.
[0043] Optionally, the cover plate body 11, the convex platform 12 and the operating handle 13 are integrally formed. Each part of the upset cover plate 1 is integrally formed, with higher strength, more guaranteed upset safety and longer service life.
[0044] Another embodiment of the present utility model proposes a hydraulic press, including the above-mentioned upset cover plate. The advantages of the hydraulic press compared with the prior art are the same as those of the above-mentioned upset cover plate, and will not be repeated here.
[0045] As Figure 2 shown, optionally, the hydraulic press further includes a workbench 3 and an upper anvil. The upper anvil is arranged opposite to the workbench 3 up and down. The upset cover plate 1 is used for being placed upright between the upset blank 6 on the workbench 3 and the upper anvil, and is used for spreading the upset blank 6 under the rotation drive of the workbench 3.
[0046] Specifically, the backing plate 2 is detachably fixed to the workbench 3, and the upset blank 6 is placed on the backing plate 2. Different-shaped upset blanks 6 can select different-shaped backing plates 2. For example, the backing plate 2 can be a flat plate or a plate with a groove or through hole in the middle. The corresponding part of the upset blank 6 can be squeezed into the groove or through hole.
[0047] The cover plate body 11 has a flat plate-like structure. The two faces with the largest area are the large faces. The horizontal placement of the upset cover plate 1 means that the large face of the cover plate body 11 is located in the XY plane, and the vertical placement of the upset cover plate 1 means that the large face of the cover plate body 11 is located in the XZ plane. When the cover plate body 11 is placed vertically, the two end faces of the cover plate body 11 along the Z direction have smaller dimensions and are narrow faces, which can be used as narrow anvils. The manipulator 5 grips the upset cover plate 1 and places it vertically on the upset blank 6 on the backing plate 2. Control the upper anvil of the hydraulic press to descend so that it contacts the end face of the cover plate body 11 along the positive Z-axis direction, and start the workbench 3 to rotate, so as to realize the broadening of the upset blank 6 by using the upset cover plate 1. Broadening can be used for the edge opening of the head plate blank.
[0048] As Figure 2 shown, optionally, the hydraulic press further includes support columns 4. The support columns 4 are arranged on both sides of the workbench 3 and are used to support the driving device. The cover plate body 11 of the upset cover plate is used to be placed between the two support columns 4 on both sides, and the distance between the cover plate body 11 and the two columns 4 on both sides is equal.
[0049] Specifically, the driving device can be drivingly connected to the upper anvil to drive the upper anvil to lift. The support columns 4 can be arranged on both sides of the workbench 3 in the Y direction. By making the distances from the two end faces of the cover plate body 11 in the Y direction to the corresponding columns 4 equal, it is ensured that the cover plate body 11 is located in the exact middle of the workbench 3, and the forces on each part of the upset blank 6 are more uniform, ensuring the consistency of processing.
[0050] Here, the cover plate body 11 has a square plate-like structure, which can facilitate observing and measuring whether the distances from the two end faces of the cover plate body 11 in the Y direction to the corresponding support columns 4 are equal, or in other words, whether the cover plate body 11 is located in the exact middle of the workbench 3, making alignment more convenient and saving the upset time.
[0051] Although the present utility model is disclosed as above, the protection scope of the present utility model is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present utility model, and these changes and modifications will all fall within the protection scope of the present utility model.
Claims
1. An upset cover plate, characterized in that: The invention comprises a cover body (11), a boss (12) and an operating handle (13); one end face of the cover body (11) along the thickness direction thereof is a plane (111); the other end face is provided with the boss (12); the boss (12) is a tapered structure from one end close to the cover body (11) to a direction away from the cover body (11); the extension direction of the operating handle (13) is perpendicular to the thickness direction of the cover body (11); the operating handle (13) is located on one side of the cover body (11) and is connected to the cover body (11).
2. The upset cover plate according to claim 1, characterized in that: The cover plate body (11) is a square plate-shaped structure, and chamfers (112) are provided on four corners of the cover plate body (11).
3. The upset cover plate according to claim 1, characterized in that: The boss (12) is a frustum, and an end surface of the cover plate body (11) provided with the boss (12) is a first marking surface (113), and a central axis of the boss (12) passes through the center of the first marking surface (113).
4. The upset cover plate according to claim 3, characterized in that: The inclination angle of the slope of the frustum is 75-80°.
5. The upset cover plate according to claim 1, characterized in that: The operating handle (13) is a columnar structure, and an end surface where the cover plate body (11) is connected to the operating handle (13) is a second calibration surface (114), and the central axis of the operating handle (13) passes through the center of the second calibration surface (114).
6. The upset cover plate according to claim 5, characterized in that: The circumferential side wall of the operating handle (13) is provided with an anti-rotation plane, and the anti-rotation plane is used for being clamped by the operating machine (5).
7. The upset cover plate according to claim 1, characterized in that: The cover plate body (11), the boss (12) and the operating handle (13) are integrally formed.
8. A hydraulic press, characterized in that: It comprises an upset cover plate (1) as claimed in any one of claims 1 to 7.
9. The hydraulic press according to claim 8, characterized in that: It also comprises a workbench (3) and an upper anvil, wherein the upper anvil is arranged opposite to the workbench (3) in an upper and lower direction, and the upsetting cover plate (1) is used to be placed upright between the upsetting blank (6) on the workbench (3) and the upper anvil, and is used to widen the upsetting blank (6) under the rotation drive of the workbench (3).
10. The hydraulic press according to claim 9, characterized in that: It also includes support columns (4), which are arranged on both sides of the workbench (3) and are used to support the driving device. The cover plate body (11) of the upsetting cover plate (1) is used to be placed between the support columns (4) on both sides, and the distance between the cover plate body (11) and the columns (4) on both sides is equal.