Machine tool grippers for holding wheel treads

Abstract

This utility model discloses a machine tool gripper for holding wheel treads, including a gripper base, a gripping part, and a positioning reference platform. The gripping part is disposed at the upper end of the gripper base, and the positioning reference platform is disposed at the lower end of the gripper base. The gripper base includes a gripping plate and a positioning plate, which are integrally formed in an L-shape. This utility model features a simple overall structure. The gripping part effectively improves the versatility of the gripper. The cooperation between the gripping part and the positioning reference platform effectively improves the stability of the gripper base assembly with the machine tool and the positioning accuracy of the workpiece, thereby effectively ensuring the safety of high-speed operation of the CNC machine tool spindle.

Description

Technical Field

[0001] This utility model belongs to the field of clamping technology, and in particular relates to a machine tool gripper for clamping wheel treads. Background Technology

[0002] The wheel tread is a critical component in contact between the train wheel and the rail. Its conical design (larger inside and smaller outside) and special functions are essential for train operation. During wheel machining, the conical or arc-shaped structure of the wheel tread needs to be clamped. In existing technology, a three-jaw hydraulic self-centering chuck is commonly used for clamping. To ensure the machining quality of the wheel, the CNC machine tool needs to operate at high speed. During production, the centrifugal force generated by the high-speed rotation of the machine tool spindle can cause under-positioning of the wheel clamping, resulting in movement and compromising production safety and machining quality stability. Utility Model Content

[0003] To address some or all of the technical problems existing in the prior art, this utility model provides a machine tool jaw for clamping wheel treads. The machine tool jaw for clamping wheel treads is mounted on a three-jaw hydraulic self-centering chuck and includes a jaw base, a clamping part, and a positioning reference platform. The clamping part is disposed at the upper end of the jaw base, and the positioning reference platform is disposed at the lower end of the jaw base, wherein:

[0004] The gripper base includes a clamping plate and a positioning plate, wherein the clamping plate and the positioning plate are integrally formed and arranged in an L-shape.

[0005] Furthermore, in the aforementioned machine tool gripper for clamping wheel treads, the clamping part includes a first clamping platform and a second clamping platform, the first clamping platform and the second clamping platform are symmetrically arranged on the upper end of the clamping plate, and the center lines of the first clamping platform and the second clamping platform form a 25-degree angle with the center line of the clamping plate.

[0006] Furthermore, in the aforementioned machine tool gripper for holding wheel treads, both the first gripping platform and the second gripping platform are arc-shaped bosses, and the upper and lower sides of the first gripping platform and the second gripping platform are inclined arc surfaces.

[0007] Furthermore, in the aforementioned machine tool gripper for holding wheel treads, the positioning reference platform and the positioning plate are integrally formed in a U-shape, and the distance from the inner side of the gripping plate to the center point of the positioning reference platform is equal to the distance from the inner side of the positioning reference platform to the center point of the first gripping platform or the second gripping platform.

[0008] Furthermore, in the aforementioned machine tool chuck for holding wheel treads, the bottom of the positioning plate is provided with a groove that matches the three-jaw hydraulic self-centering chuck.

[0009] The machine tool gripper for holding wheel treads of this utility model has the following advantages and beneficial effects:

[0010] This utility model has a simple overall structure. The clamping part effectively improves the versatility of the gripper. The cooperation between the clamping part and the positioning reference table can effectively improve the stability of the gripper seat and the machine tool assembly and the positioning accuracy of the workpiece, thereby effectively ensuring the safety of the CNC machine tool spindle during high-speed operation. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for further understanding of the embodiments of the present invention and constitute a part of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In the drawings:

[0012] Figure 1 This is a front view of the machine tool gripper for holding wheel treads according to this utility model;

[0013] Figure 2 This is a left view of the machine tool gripper for holding the wheel tread of this utility model.

[0014] Explanation of reference numerals in the attached figures:

[0015] 1: Gripper seat; 11: Clamping plate; 12: Positioning plate; 121: Slide groove

[0016] 2: Clamping section 21: First clamping platform 22: Second clamping platform

[0017] 3: Positioning reference platform. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0019] like Figures 1 to 2 As shown, the wheel tread clamping machine tool jaw of this utility model is mounted on a three-jaw hydraulic self-centering chuck. The wheel tread clamping machine tool jaw includes a jaw base 1, a clamping part 2, and a positioning reference platform 3. The clamping part 2 is located at the upper end of the jaw base 1, and the positioning reference platform 3 is located at the lower end of the jaw base 1.

[0020] The gripper base 1 includes a clamping plate 11 and a positioning plate 12, which are integrally formed and arranged in an L-shape.

[0021] Furthermore, in the machine tool gripper for clamping wheel treads of this utility model, the clamping part 2 includes a first clamping platform 21 and a second clamping platform 22. The first clamping platform 21 and the second clamping platform 22 are symmetrically arranged on the upper end of the clamping plate 11. The center lines of the first clamping platform 21 and the second clamping platform 22 form a 25-degree angle with the center line of the clamping plate 11, thereby effectively improving the positioning accuracy of the clamping part 2 and the wheel tread.

[0022] Furthermore, in the machine tool gripper for holding the wheel tread of this utility model, the first gripping platform 21 and the second gripping platform 22 are both arc-shaped bosses, and the upper and lower sides of the first gripping platform 21 and the second gripping platform 22 are both inclined arc surfaces, so that the gripping part 2 fits the wheel tread more closely.

[0023] Furthermore, in the machine tool gripper for clamping wheel treads of this utility model, the positioning reference platform 3 and the positioning plate 12 are integrally formed in a U-shape. The distance from the inner side of the clamping plate 11 to the center point of the positioning reference platform 3 is equal to the distance from the inner side of the positioning reference platform 3 to the center point of the first clamping platform 21 or the second clamping platform 22, thereby positioning and clamping the wheel treads and effectively preventing the wheel treads from moving when the CNC machine tool spindle is running at high speed.

[0024] Furthermore, in the wheel tread clamping machine tool jaw of this utility model, the bottom of the positioning plate 12 is provided with a sliding groove 121 that matches the three-jaw hydraulic self-centering chuck, thereby ensuring that the wheel tread clamping machine tool jaw and the three-jaw hydraulic self-centering chuck can be quickly connected, improving installation efficiency.

[0025] Specifically, when clamping the wheel tread, the three wheel tread clamping machine jaws are connected to the three-jaw hydraulic self-centering chuck through the slide groove 121. At this time, the wheel end face is positioned by the positioning reference table 3, and the wheel tread is clamped by the first clamping table 21 and the second clamping table 22. By utilizing the tilt angle and tilted arc surface of the first clamping table 21 and the second clamping table 22, the first clamping table 21 and the second clamping table 22 are made to fit tightly with the wheel tread, thereby performing positioning and clamping, effectively ensuring the stability of the wheel tread processing and improving safety.

[0026] In summary, compared with the prior art, the machine tool gripper for holding wheel treads of this utility model has the following advantages and beneficial effects:

[0027] This utility model has a simple overall structure. The clamping part effectively improves the versatility of the gripper. The cooperation between the clamping part and the positioning reference table can effectively improve the stability of the gripper seat and the machine tool assembly and the positioning accuracy of the workpiece, thereby effectively ensuring the safety of the CNC machine tool spindle during high-speed operation.

[0028] It should be noted that, unless otherwise expressly specified and limited, the term "connection" or its synonyms should be interpreted broadly in this document. For example, "connection" can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication of two elements or the interaction between two elements. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances. Furthermore, expressions such as "first" and "second" are merely used to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Meanwhile, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In addition, the terms "front," "rear," "left," "right," "upper," and "lower" in this document refer to the placement states shown in the accompanying drawings.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A machine tool gripper for holding wheel treads, wherein the machine tool gripper for holding wheel treads is mounted on a three-jaw hydraulic self-centering chuck, characterized in that, The machine tool gripper for holding the wheel tread includes a gripper base, a gripping part, and a positioning reference table. The gripping part is disposed at the upper end of the gripper base, and the positioning reference table is disposed at the lower end of the gripper base, wherein: The gripper base includes a clamping plate and a positioning plate, wherein the clamping plate and the positioning plate are integrally formed and arranged in an L-shape.

2. The machine tool gripper for holding wheel treads according to claim 1, characterized in that, The clamping part includes a first clamping platform and a second clamping platform, which are symmetrically arranged on the upper end of the clamping plate. The center lines of the first clamping platform and the second clamping platform form a 25-degree angle with the center line of the clamping plate.

3. The machine tool gripper for holding wheel treads according to claim 2, characterized in that, Both the first clamping platform and the second clamping platform are arc-shaped bosses, and the upper and lower sides of the first clamping platform and the second clamping platform are inclined arc surfaces.

4. The machine tool gripper for holding wheel treads according to claim 2, characterized in that, The positioning reference platform and the positioning plate are integrally formed in a U-shape, and the distance from the inner side of the clamping plate to the center point of the positioning reference platform is equal to the distance from the inner side of the positioning reference platform to the center point of the first clamping platform or the second clamping platform.

5. The machine tool gripper for holding wheel treads according to claim 4, characterized in that, The bottom of the positioning plate is provided with a sliding groove that matches the three-jaw hydraulic self-centering chuck.

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