Triangular structure cross beam of crown block
By designing a triangular beam structure and combining it with a lead screw connection and a guide rail slider, the problems of large beam weight and inertia in existing technologies have been solved, achieving stability and lightweighting, and making it suitable for the processing of small parts.
Patent Information
- Application Number
- CN202520261899.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-19
AI Technical Summary
The existing five-axis machining mechanism for overhead crane cradles has a large beam structure with high weight and inertia, which affects operational stability and is not suitable for machining small parts.
The design employs a triangular beam structure, combined with a lead screw connection and a guide rail slider, to maintain stability using triangular support and reduce weight by minimizing material usage.
It improves the operational stability and lightweight design of the crossbeam, adapts to the processing needs of small parts, and reduces the effects of inertia.
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Figure CN223820079U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to machine tool equipment technical field, in particular to a crown block triangular structure crossbeam. BACKGROUND
[0002] Five-axis machining center has five degrees of freedom, can realize the multi-angle processing of workpiece, five degrees of freedom is by the degree of freedom of tooling workpiece movement or rotation degree of freedom and realizes, for example Figure 5 A crown block type cradle five-axis machining mechanism is shown in the figure. Most of the current crown block type cradle five-axis machining mechanisms are set for large parts, and the machining space of the machine tool is required to be large, and the tooling stroke is large, so the crossbeam and other devices for installing the tooling also have a large volume. The cross section of the existing crown block crossbeam structure is square, the overall weight is heavy, the inertia is large when moving, and the running stability of the crossbeam is easily affected. SUMMARY
[0003] Therefore, in view of the above problems, the utility model provides a crown block triangular structure crossbeam.
[0004] The utility model adopts the following scheme to realize:
[0005] The utility model provides a crown block triangular structure crossbeam, the crossbeam includes first end, second end and transition section connecting the first end and the second end, the crossbeam is triangular structure as a whole, and the second end is at the vertex of the triangular structure of the crossbeam.
[0006] Among them, in an embodiment, the crossbeam is used for being displaceably installed on the top of the machine base, the second end is provided with a screw rod connecting part, the screw rod connecting part is used for being connected with a screw rod mechanism, the bottom surface of the first end and the second end is respectively provided with a first guide rail support block and a second guide rail support block, the first guide rail sliding block and the second guide rail sliding block are both provided with two, the first guide rail sliding block and the second guide rail sliding block are respectively matched with the first sliding rail and the second sliding rail provided on the top of the machine base, and two second guide rail sliding blocks are respectively located on the two sides of the screw rod connecting part.
[0007] Among them, in an embodiment, the transition section includes a plurality of triangular support plates, a plurality of the triangular support plates are arranged along the vertical direction, and a plurality of the triangular support plates are connected to the first end in a radial manner from the second end, so as to form the triangular structure of the crossbeam.
[0008] Among them, in an embodiment, the triangular support plate is a plate structure in the shape of a right triangle, the first right angle side of the triangular support plate is connected with the first end, and the second right angle side is arranged along the horizontal direction, so that the crossbeam is triangular from the side view direction and from the top view direction.
[0009] In one embodiment, the crossbeam is provided with a bottom plate, the second straight side of the triangular support plate arranged in the horizontal direction is connected to the bottom plate, and the hypotenuse of the triangular support plate is connected to the inclined plane plate.
[0010] In one embodiment, the side surface and the top surface of the first end are provided with a side plate and a top plate, and the side plate, the top plate, and the bottom plate enclose the first end of the crossbeam.
[0011] In one embodiment, process holes are provided on the side plate, the top plate, the bottom plate, the triangular support plate, and the inclined plane plate.
[0012] The technical scheme provided by the utility model has the following technical effects:
[0013] 1. The utility model provides a kind of crown block triangular structure crossbeam, the crossbeam includes first end, second end and the transition section connecting the first end with the second end, the crossbeam is overall triangular structure, the second end is at the apex of the triangular structure of the crossbeam, so that it can be supported by triangle, keep the stability of crossbeam as a whole;And the crossbeam of triangular structure uses less material, weight is reduced, inertia when crossbeam moves is reduced, further improve the stability of crossbeam operation.
[0014] 2. The crossbeam is used for being displaceably installed on the top of the machine base, the second end is provided with screw rod connecting portion, and the screw rod connecting portion is used to be connected with screw rod mechanism;The bottom surface of the first end and the second end is respectively provided with first guide rail support block and second guide rail support block, and the first guide rail slider and the second guide rail slider are both provided with two;The first guide rail slider and the second guide rail slider are respectively matched with first slide rail and second slide rail provided on the top of the machine base, and two second guide rail sliders are respectively located on the two sides of the screw rod connecting portion, since the second end is at the apex of the triangular structure of the crossbeam, so that two second guide rail sliders are close to screw rod connecting portion, and the stability of crossbeam movement is further improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the perspective view of the crown block triangular structure crossbeam of the utility model embodiment;
[0016] Figure 2 It is the perspective view of another direction of the crown block triangular structure crossbeam of this embodiment;
[0017] Figure 3 It is the perspective view of the crown block triangular structure crossbeam of this embodiment, and the side plate, the top plate and the inclined plane plate are hidden;
[0018] Figure 4This is a perspective view of the overhead crane triangular structure beam in this embodiment, with the side plates, top plate, and inclined plate hidden.
[0019] Figure 5 This is a perspective view of the five-axis machining mechanism for the overhead crane cradle in this embodiment. Detailed Implementation
[0020] To further illustrate the various embodiments, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention and are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these drawings, those skilled in the art should be able to understand other possible implementations and the advantages of the present invention. Components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.
[0021] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.
[0022] Reference Figures 1-5 This embodiment provides a triangular crossbeam 1 for use in a five-axis machining mechanism for a crane-type cradle. (Refer to...) Figure 5 The cradle-type five-axis machining mechanism also includes a base 5, and a first slide rail 4, a second slide rail 2, and a lead screw mechanism 3 located on the top of the base 5. The crossbeam 1 is movable and mounted on the top of the base 5 via the first slide rail 4 and the second slide rail 2. The lead screw mechanism 3 drives the crossbeam 1, thereby providing force for the displacement of the crossbeam 1 relative to the base 5.
[0023] The crossbeam 1 includes a first end 10, a second end 30, and a transition section 20 connecting the first end 10 and the second end 30. The first end 10 is significantly larger than the second end 30, thus the crossbeam 1 has an overall triangular structure. The first end 10 is used to install tool connection structures, etc. The second end 30 is provided with a lead screw connection part 31, which is used to connect with a lead screw mechanism 3. Thus, the lead screw mechanism 3 acts on the crossbeam 1 through the lead screw connection part 31 to apply a force to the crossbeam 1, causing the crossbeam 1 to displace relative to the machine base 5. The overall triangular structure of the crossbeam 1 allows for triangular support, maintaining the overall stability of the crossbeam 1. Furthermore, the triangular structure of the crossbeam 1 uses less material, reducing its weight and decreasing the inertia during movement, further improving the stability of the crossbeam 1 during operation.
[0024] The second end 30 is located at the apex of the triangular structure of the crossbeam 1. The bottom surfaces of the first end 10 and the second end 30 are respectively provided with a first guide rail support block 12 and a second guide rail support block 32. Two first guide rail sliders 12 and two second guide rail sliders 32 are provided. The first guide rail sliders 12 and the second guide rail sliders 32 cooperate with the first slide rail 4 and the second slide rail 2, respectively, allowing the crossbeam 1 to be displaceably mounted on the top of the base 5. The two second guide rail sliders 32 are located on both sides of the lead screw connection 31. Since the second end 30 is located at the apex of the triangular structure of the crossbeam 1, the two second guide rail sliders 32 are close to the lead screw connection 31, further improving the stability of the crossbeam 1's movement.
[0025] The transition section 20 includes multiple triangular support plates 21, which are arranged vertically. This vertical arrangement includes both strictly vertical and approximately vertical arrangements. The multiple triangular support plates 21 are radially connected from the second end 30 to the first end 10, thereby forming the triangular structure of the beam 1.
[0026] The triangular support plate 21 is a triangular plate structure, more specifically, a right-angled triangular plate structure, which is simple to manufacture. The first right-angled side of the triangular support plate 21 is connected to the first end 10, and the second right-angled side is set in the horizontal direction, so that the beam 1 can be viewed from the side (e.g., Figure 4 ) and from a bird's-eye view (such as Figure 3 All of them are triangular in shape, which further improves the lightweight of the crossbeam 1 and also improves the operational stability of the crossbeam 1.
[0027] The crossbeam 1 is provided with a base plate 14, and the second right-angled side of the triangular support plate 21, which is set in the horizontal direction, is connected to the base plate 14. The hypotenuse of the triangular support plate 21 is connected to the inclined panel 22, so that the inclined panel 22 and the base plate 14 are connected to the two ends of multiple triangular support plates 21, resulting in higher structural strength and a more aesthetically pleasing appearance.
[0028] Side plates 11 and top plates 13 are provided on the sides and top surface of the first end 10. The side plates 11, top plates 13 and bottom plates 14 enclose the first end 10 of the crossbeam 1, which increases the structural strength and improves the aesthetics.
[0029] Process holes are provided on the side plate 11, top plate 13, bottom plate 14, triangular support plate 21, and inclined plate 22, such as... Figures 1-4 As shown in reference numerals 111, 131, 141, 211 and 221, the setting of process holes has little effect on the structural strength and stiffness of beam 1, which can be almost ignored, and reduces the overall weight of beam 1, saving materials.
[0030] Although the present invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that various changes in form and detail may be made to the present invention without departing from the spirit and scope of the present invention as defined in the appended claims, and all such changes shall be within the scope of protection of the present invention.
Claims
1. A triangular crossbeam structure for an overhead crane, characterized in that, The crossbeam includes a first end, a second end, and a transition section connecting the first end and the second end. The crossbeam has a triangular structure as a whole, and the second end is located at the vertex of the triangular structure of the crossbeam.
2. The overhead crane triangular structural beam according to claim 1, characterized in that: The crossbeam is designed for movable installation on the top of the machine base. The second end is provided with a lead screw connection part, which is used to connect with the lead screw mechanism. The bottom surfaces of the first end and the second end are respectively provided with a first guide rail support block and a second guide rail support block. There are two of each of the first guide rail slider and the second guide rail slider. The first guide rail slider and the second guide rail slider are respectively engaged with the first slide rail and the second slide rail provided on the top of the machine base. The two second guide rail sliders are respectively located on both sides of the lead screw connection part.
3. The overhead crane triangular structural beam according to claim 1, characterized in that: The transition section includes multiple triangular support plates, which are arranged vertically and radially connected from the second end to the first end, thereby forming the triangular structure of the beam.
4. The overhead crane triangular structural beam according to claim 3, characterized in that: The triangular support plate is a plate-shaped structure in the shape of a right triangle. The first right-angled side of the triangular support plate is connected to the first end, and the second right-angled side is set in the horizontal direction, so that the beam is triangular in both the side view and the top view.
5. The overhead crane triangular structure beam according to claim 4, characterized in that: The crossbeam is provided with a base plate, the second right-angled side of the triangular support plate, which is arranged in the horizontal direction, is connected to the base plate, and the hypotenuse of the triangular support plate is connected to the inclined panel.
6. The overhead crane triangular structural beam according to claim 5, characterized in that: The first end has a side plate and a top plate on its side and top surface, and the side plate, the top plate and the bottom plate surround the first end of the crossbeam.
7. The overhead crane triangular structural beam according to claim 6, characterized in that: Process holes are provided on the side plate, the top plate, the bottom plate, the triangular support plate, and the inclined plate.