A clamping device for heat-resistant steel casting machining

Abstract

The utility model provides a kind of clamping device for heat-resistant steel casting processing, it is related to heat-resistant steel casting processing technical field, and it includes: casting clamping base, fixed frame is welded on the casting clamping base upper end face, material receiving table is screw-connected and installed on the casting clamping base upper surface, U-shaped clamp piece is provided on the material receiving table upper end, arc pressing plate is equidistantly distributed in the inner side end of U-shaped clamp piece, the side end of arc pressing plate is connected with U-shaped clamp piece by small hydraulic cylinder, spherical pressing block is arranged at adjacent interval of arc pressing plate, the side end of spherical pressing block is connected with U-shaped clamp piece by adjusting stud.The utility model solves the problem that the rotating rod for adjusting shrinkage in prior art is prone to rotation under the impact of machining external force, resulting in loosening of fixed clamping jaw in shrinkage state and affecting clamping effect.

Description

Technical Field

[0001] This utility model relates to the field of heat-resistant steel casting processing technology, specifically to a clamping device for processing heat-resistant steel castings. Background Technology

[0002] A clamping device for machining heat-resistant steel castings is a device used to clamp castings during the casting process, facilitating the processing of castings by operators. A search revealed an existing technology (Publication No.: CN202322636668.2) for a clamping device for machining high-alloy heat-resistant steel castings. The technology describes a method where "a clamping assembly is installed on the clamping device, and a drive motor rotates an adjusting rod. When the adjusting rod rotates, it simultaneously moves the first and second sliders, thereby causing the fixed jaws to retract under the cooperation of the first and second rotating rods. The retracted fixed jaws fix the high-alloy heat-resistant steel casting, making clamping more convenient. The overall device has a simple structure, is easy to operate, and is more practical." However, in this existing technology, the rotating rod, which adjusts the retraction, is prone to rotation under the impact of external processing forces, leading to loosening of the fixed jaws in the retracted state and affecting the clamping effect. Utility Model Content

[0003] To overcome the shortcomings of existing technologies, a clamping device for machining heat-resistant steel castings is provided to solve the problem that in existing technologies, the rotating rod, which plays a role in adjusting shrinkage, is prone to rotation when subjected to external machining forces, causing the fixed jaws in the shrinkage state to loosen and affecting the clamping effect.

[0004] To achieve the above objectives, a clamping device for machining heat-resistant steel castings is provided, comprising: a casting clamping base, wherein a fixing frame is welded to the upper end face of the casting clamping base. A material support platform is screwed onto the upper surface of the casting clamping base. A U-shaped clamp is provided at the upper end of the material support platform. Arc-shaped pressure plates are evenly distributed on the inner side of the U-shaped clamp. The side ends of the arc-shaped pressure plates are connected to the U-shaped clamp via a small hydraulic cylinder. Spherical pressure blocks are provided at adjacent intervals of the arc-shaped pressure plates. The side ends of the spherical pressure blocks are connected to the U-shaped clamp via adjusting studs.

[0005] Furthermore, an electric slide and a guide shaft are installed on the front groove surface of the fixed frame; and the electric slide and the guide shaft are distributed left and right.

[0006] Furthermore, connecting plates are welded to both the left and right ends of the U-shaped clamp, and the surface of the electric slide is connected to the left connecting plate of the U-shaped clamp via a slider.

[0007] Furthermore, the guide shaft shaft surface cylinder linear bearing block is connected to the right-side connecting plate of the U-shaped clamp.

[0008] Furthermore, a laser width measuring instrument is installed on both the U-shaped clamp and the left side of the material receiving platform.

[0009] Furthermore, the arc-shaped pressure plate and the spherical pressure block are arranged in a circumferential distribution at the inner end of the U-shaped clamp, and three sets of small hydraulic cylinders are embedded in the surface of the U-shaped clamp.

[0010] Furthermore, a pressure sensor is embedded in the concave surface of the arc-shaped pressure plate, and the flat end of the other side of the arc-shaped pressure plate is connected to the piston rod of a small hydraulic cylinder.

[0011] Furthermore, the contact surfaces of the material receiving platform, the arc-shaped pressure plate, and the spherical pressure block are all bonded with protective wear-resistant pads; and the surface of the protective wear-resistant pads is provided with anti-slip textures.

[0012] The beneficial effects of this utility model are that the clamping device for processing heat-resistant steel castings utilizes a multi-directional pressing structure formed by multiple sets of arc-shaped pressure plates and spherical pressure blocks distributed within the U-shaped clamp. This allows the multiple sets of arc-shaped pressure plates and spherical pressure blocks to be ring-shaped and independently pressed onto the surface of the heat-resistant steel casting, which facilitates preventing the heat-resistant steel casting from shifting to a certain direction when subjected to external impact, ensuring that the heat-resistant steel casting is firmly clamped. At the same time, it is convenient and flexible to clamp conventional or irregularly shaped heat-resistant steel castings, improving the strength and applicability of the clamping device. Attached Figure Description

[0013] Figure 1 This is a front view of the clamping device for processing heat-resistant steel castings according to an embodiment of the present invention.

[0014] Figure 2 This is a front view cross-sectional structural diagram of the clamping device for processing heat-resistant steel castings according to an embodiment of the present utility model.

[0015] Figure 3 This is a side view of the clamping device for processing heat-resistant steel castings according to an embodiment of the present invention.

[0016] Figure 4 This is a side view sectional structural diagram of the U-shaped clamp component according to an embodiment of the present utility model.

[0017] In the diagram: 1. Casting clamping base; 11. Fixing frame; 2. Material receiving platform; 3. Electric slide table; 31. Guide shaft; 4. U-shaped clamp; 41. Arc-shaped pressure plate; 42. Spherical pressure block; 43. Linkage plate; 44. Adjusting stud; 45. Small hydraulic cylinder; 46. Protective wear-resistant pad; 47. Pressure sensor; 5. Laser width measuring instrument. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please refer to Figures 1 to 4 As shown, this utility model provides a clamping device for machining heat-resistant steel castings, including: a casting clamping base 1, and a fixing frame 11 welded to the upper end face of the casting clamping base 1. A material support platform 2 is screwed onto the upper surface of the casting clamping base 1. A U-shaped clamp 4 is provided on the upper end of the material support platform 2. Arc-shaped pressure plates 41 are evenly distributed on the inner side of the U-shaped clamp 4. The side ends of the arc-shaped pressure plates 41 are connected to the U-shaped clamp 4 through a small hydraulic cylinder 45. Spherical pressure blocks 42 are provided at the adjacent spacing of the arc-shaped pressure plates 41. The side ends of the spherical pressure blocks 42 are connected to the U-shaped clamp 4 through adjusting studs 44.

[0020] First, the heat-resistant steel casting to be clamped is placed on the support platform 2. The width of the casting is scanned and detected by a pair of laser width measuring instruments 5. The controller controls the electric slide 3 to drive the U-shaped clamp 4 to descend to a suitable distance, so that the arc-shaped pressure plate 41 reaches the front and rear ends of the casting. At this time, the small hydraulic cylinder 45 pushes the arc-shaped pressure plate 41 to contact and press it on the surface of the casting with a certain pressure. Finally, the adjusting stud 44 is manually rotated so that the spherical pressure block 42 is also supported on the surface of the heat-resistant steel casting, thus achieving a multi-directional and multi-point pressing effect on the heat-resistant steel casting.

[0021] In this embodiment, an electric slide 3 and a guide shaft 31 are mounted on the front groove surface of the fixing frame 11; and the electric slide 3 and the guide shaft 31 are distributed left and right. Connecting plates 43 are welded to both the left and right ends of the U-shaped clamp 4. The surface of the electric slide 3 is connected to the left connecting plate 43 of the U-shaped clamp 4 via a slider. The linear bearing block of the guide shaft 31 is connected to the right connecting plate 43 of the U-shaped clamp 4.

[0022] In a preferred embodiment, the electric slide 3 drives the U-shaped clamp 4 to move up and down, lowering it to a suitable position so that the arc-shaped pressure plate 41 on the inner side of the U-shaped clamp 4 is positioned on the front and rear sides of the casting, allowing multiple arc-shaped pressure plates 41 to exert pressure on the casting. The guide shaft 31 assists the electric slide 3 in driving the U-shaped clamp 4 to slide up and down.

[0023] In this embodiment, laser width measuring instruments 5 are installed on the left side ends of both the U-shaped clamp 4 and the support platform 2. Arc-shaped pressure plates 41 and spherical pressure blocks 42 are arranged in a circumferential pattern on the inner end of the U-shaped clamp 4, and three sets of small hydraulic cylinders 45 are embedded in the surface of the U-shaped clamp 4. A pressure sensor 47 is embedded in the concave surface of the arc-shaped pressure plate 41, and the other flat end of the arc-shaped pressure plate 41 is connected to the piston rod of the small hydraulic cylinder 45. Protective wear-resistant pads 46 are adhered to the contact surfaces of the support platform 2, the arc-shaped pressure plate 41, and the spherical pressure blocks 42; and the surface of the protective wear-resistant pads 46 is provided with anti-slip textures.

[0024] In a preferred embodiment, a pair of laser width gauges 5 scan and calculate the approximate width and descent distance of the casting. A displacement sensor is installed on the inner wall of the U-shaped clamp 4 to facilitate the detection of its movement. Three sets of small hydraulic cylinders 45 independently push the corresponding arc-shaped pressure plates 41 to press against the casting surface. By manually adjusting the position of the spherical pressure block 42, it is also pressed against the casting surface, effectively preventing the heat-resistant steel casting from shifting in a certain direction under external impact, ensuring a firm clamping of the heat-resistant steel casting, and facilitating flexible clamping of conventional or irregularly shaped heat-resistant steel castings. A protective wear-resistant pad 46 ensures that the support platform 2, the arc-shaped pressure plate 41, and the spherical pressure block 42 can fit in close contact with the casting surface without damaging the clamped heat-resistant steel casting.

[0025] This utility model provides a clamping device for machining heat-resistant steel castings. It effectively solves the problem in the prior art where the rotating rod, which plays a role in adjusting shrinkage, is prone to rotation when subjected to external processing forces, leading to loosening of the fixed jaws in the shrinkage state and affecting the clamping effect. This device helps to prevent the heat-resistant steel castings subjected to external forces from shifting to a certain position, ensuring that the heat-resistant steel castings are firmly clamped. At the same time, it can easily and flexibly clamp conventional or irregularly shaped heat-resistant steel castings, improving the robustness and applicability of the clamping device. It is suitable for clamping devices used in the machining of heat-resistant steel castings.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A clamping device for machining heat-resistant steel castings, comprising: A casting clamping base (1), wherein a fixing frame (11) is welded to the upper end face of the casting clamping base (1), characterized in that: The casting clamping base (1) is screwed onto the upper surface of a material support platform (2). A U-shaped clamp (4) is provided on the upper end of the material support platform (2). Arc-shaped pressure plates (41) are evenly distributed on the inner side of the U-shaped clamp (4). The side end of the arc-shaped pressure plate (41) is connected to the U-shaped clamp (4) through a small hydraulic cylinder (45). Spherical pressure blocks (42) are provided at adjacent intervals of the arc-shaped pressure plates (41). The side end of the spherical pressure block (42) is connected to the U-shaped clamp (4) through an adjusting stud (44).

2. The clamping device for machining heat-resistant steel castings according to claim 1, characterized in that, The front groove of the fixed frame (11) is equipped with an electric slide (3) and a guide shaft (31); and the electric slide (3) and the guide shaft (31) are distributed on the left and right sides.

3. The clamping device for machining heat-resistant steel castings according to claim 2, characterized in that, The U-shaped clamp (4) has connecting plates (43) welded to both the left and right sides. The surface of the electric slide (3) is connected to the left connecting plate (43) of the U-shaped clamp (4) via a slider.

4. The clamping device for machining heat-resistant steel castings according to claim 3, characterized in that, The guide shaft (31) is connected to the linear bearing block on the shaft surface and the connecting plate (43) on the right side of the U-shaped clamp (4).

5. A clamping device for machining heat-resistant steel castings according to claim 1, characterized in that, Laser width measuring instruments (5) are installed on the left side of both the U-shaped clamp (4) and the material support platform (2).

6. A clamping device for machining heat-resistant steel castings according to claim 1, characterized in that, The arc-shaped pressure plate (41) and the spherical pressure block (42) are arranged in a circular pattern at the inner end of the U-shaped clamp (4), and three sets of small hydraulic cylinders (45) are embedded in the surface of the U-shaped clamp (4).

7. A clamping device for machining heat-resistant steel castings according to claim 6, characterized in that, A pressure sensor (47) is embedded in the concave surface of the arc-shaped pressure plate (41), and the flat end of the other side of the arc-shaped pressure plate (41) is connected to the piston rod of the small hydraulic cylinder (45).

8. A clamping device for machining heat-resistant steel castings according to claim 1, characterized in that, The contact surfaces of the material receiving platform (2), the arc-shaped pressure plate (41) and the spherical pressure block (42) are all bonded with protective wear-resistant pads (46); and the surface of the protective wear-resistant pads (46) is provided with anti-slip texture.

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