Adjustable liquid expansion tool clamp
By introducing hydraulic cylinders and limit blocks into the tooling fixtures, the liquid expansion adjustment and tightening effect of pipes of different diameters is achieved, which solves the problem that existing tooling fixtures cannot achieve liquid expansion adjustment and improves processing efficiency.
Patent Information
- Application Number
- CN202422172996.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-05
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-09-05
AI Technical Summary
Existing tool fixtures cannot achieve liquid swelling adjustment, resulting in inconvenient clamping of pipes of different diameters.
An adjustable liquid swelling tool clamp is designed to adjust the liquid swelling of the first arc clamp and the second arc clamp through the extension and recovery of the hydraulic cylinder, and to achieve the fastening effect through the resistance between the limiting block and the movable cavity.
It realizes convenient clamping and processing operations of pipes of different diameters, and improves processing efficiency.
Smart Images

Figure CN222971592U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of adjustable hydro-expansion jigs, in particular to an adjustable hydro-expansion tooling jig. Background Art
[0002] Tooling, that is, process equipment: refers to the general term for various tools used in the manufacturing process. It includes cutting tools / jigs / molds / measuring tools / inspection tools / auxiliary tools / fitter tools / station tools, etc. Tooling is its general abbreviation.
[0003] The existing tooling jigs adopt adjustable structures during use, but they cannot achieve hydro-expansion adjustment during use, resulting in a single-function problem. When clamping the structure of a pipeline, it is necessary to achieve hydro-expansion adjustment for different diameters, which is inconvenient to use. Summary of the Utility Model
[0004] The purpose of the utility model is to provide an adjustable hydro-expansion tooling jig. By extending the hydraulic cylinder, the movement of the limiting block inside the inner moving cavity of the piston rod and the first arc-shaped jig can be completed, so as to achieve telescopic movement, and thus the hydro-expansion adjustment of the first arc-shaped jig and the second arc-shaped jig can be realized. When the clamped tubular component is within the clamping inner ring, by retracting the hydraulic cylinder, the limiting block abuts against the moving cavity, and the fastening function can be realized.
[0005] To achieve the above purpose, an adjustable hydro-expansion tooling jig is provided, including: a fixed base, characterized in that a chute is opened at the rear side above the fixed base, two moving side plates are arranged inside the chute, one moving side plate is fixedly connected to the inner wall of the chute, and the other moving side plate is slidably matched with the chute. The first arc-shaped jig and the second arc-shaped jig are respectively arranged inside the upper sides of the moving side plates. Through holes are respectively opened at both ends inside the first arc-shaped jig, a telescopic cavity is opened inside the through holes, a moving cavity is opened at one end of the telescopic cavity, and a hydraulic cylinder is arranged inside the moving cavity.
[0006] According to the described adjustable hydro-expansion tooling jig, the extending end of the hydraulic cylinder is telescopically matched with a piston rod, and a limiting block is fixedly connected to one end of the piston rod.
[0007] According to the described adjustable hydro-expansion tooling jig, the limiting block is sleeved inside the moving cavity.
[0008] According to the described adjustable hydro-expansion tooling jig, a clamping inner ring is fixedly connected to the inner rings of the first arc-shaped jig and the second arc-shaped jig.
[0009] According to the described adjustable hydro-expansion tooling jig, a plurality of mounting holes are opened on the outer sides of the inner rings of the first arc-shaped jig and the second arc-shaped jig, and a bolt block penetrates between the mounting holes and the moving side plates.
[0010] According to the adjustable hydro-expansion tooling fixture described above, mounting blocks are fixedly connected to both sides of the fixed base.
[0011] According to the adjustable hydro-expansion tooling fixture described above, through holes are provided at both ends of the second arc-shaped fixture, and the through holes are in through-fit with the piston rod.
[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0013] The present utility model is provided with a piston rod, a first arc-shaped fixture, a second arc-shaped fixture, a movable cavity and a piston rod. By the extension of the hydraulic cylinder, the movement of the limiting block inside the movable cavity of the piston rod and the first arc-shaped fixture is completed, so as to achieve the movable telescopic function, and thus the hydro-expansion adjustment of the first arc-shaped fixture and the second arc-shaped fixture can be realized. When the clamped tubular component is within the clamping inner circle, through the retraction of the hydraulic cylinder, the limiting block abuts against the movable cavity, and the fastening function can be realized. With this structure, it is convenient to clamp according to pipes with different diameters for processing operations.
[0014] Additional aspects and advantages of the present utility model will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The present utility model will be further described below in conjunction with the drawings and embodiments;
[0016] Figure 1 is a three-dimensional structural diagram of an adjustable hydro-expansion tooling fixture of the present utility model;
[0017] Figure 2 is an enlarged structural diagram of the first arc-shaped fixture and the second arc-shaped fixture of an adjustable hydro-expansion tooling fixture of the present utility model;
[0018] Figure 3 is a split diagram of the first arc-shaped fixture and the second arc-shaped fixture of an adjustable hydro-expansion tooling fixture of the present utility model;
[0019] Figure 4 is a top view of the cross-section of the first arc-shaped fixture and the second arc-shaped fixture of an adjustable hydro-expansion tooling fixture of the present utility model;
[0020] Figure 5 is of the present utility model Figure 4 The enlarged view at A in.
[0021] In the figure: 1. Fixed base; 2. Mounting block; 3. First arc-shaped clamp; 4. Bolt block; 5. Movable side plate; 6. Chute; 7. Second arc-shaped clamp; 8. Clamping inner ring; 9. Through hole; 10. Penetrating hole; 11. Limit block; 12. Piston rod; 13. Hydraulic cylinder; 15. Activity cavity; 16. Telescopic cavity; 17. Mounting hole. Detailed implementation manner
[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0023] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection" 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 a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
[0024] Please refer to Figures 1-5The utility model provides a technical solution: an adjustable liquid expansion fixture, which includes: a fixed base 1, a slide groove 6 is opened on the upper rear side of the fixed base 1, and the slide groove 6 structure can slide with the movable side plate 5 on one side, which is convenient for the movement and coordination of position extension and recovery. Two movable side plates 5 are arranged inside the slide groove 6, and the movable side plate 5 on one side is fixedly connected to the inner wall of the slide groove 6, and the movable side plate 5 on the other side is slidably matched with the slide groove 6. The first arc-shaped clamp 3 and the second arc-shaped clamp 7 are respectively arranged on the inner side of the upper side of the movable side plate 5, and through holes 9 are opened at both ends of the first arc-shaped clamp 3, and a telescopic cavity 16 is opened inside the through hole 9. The contraction chamber 16 can have an extension and retraction effect on the piston rod 12. An active chamber 15 is provided at one end of the extension and retraction chamber 16. A hydraulic cylinder 13 is arranged inside the active chamber 15. The liquid expansion effect of the hydraulic cylinder 13 can extend and retract the first arc clamp 3 and the second arc clamp 7, which is convenient for the liquid expansion clamping effect of the pipeline material by clamping the inner ring 8, thereby improving the processing efficiency. A plurality of mounting holes 17 are provided on the outer sides of the inner rings of the first arc clamp 3 and the second arc clamp 7. A bolt block 4 is penetrated between the mounting hole 17 and the movable side plate 5. The bolt block 4 is penetrated through the internal mounting holes 17 of the first arc clamp 3 and the second arc clamp 7 to be fastened and installed.
[0025] The extended end of the hydraulic cylinder 13 is telescopically matched with a piston rod 12. A limit block 11 at one end of the piston rod 12 is movable in the active chamber 15, and the liquid expansion extension space can be completed in the active chamber 15. One end of the piston rod 12 is fixedly connected to the limit block 11. The limit block 11 structure can contact with the active chamber 15 to achieve a limiting effect. After separation, the limit block 11 can complete the movable telescopic effect in the active chamber 15. The limit block 11 is sleeved inside the active chamber 15. The inner rings of the first arc clamp 3 and the second arc clamp 7 are fixedly connected with the clamping inner ring 8. When the clamped tubular component is in the clamping After holding the inner ring 8, the hydraulic cylinder 13 is extended and recovered to make the piston rod 12 and the inside of the through hole 9 collide with each other, which plays a limiting role, and the limiting block 11 is in conflict with the movable cavity 15 to achieve the tightening effect. The two sides of the fixed base 1 are fixedly connected with the mounting blocks 2, and the fixed base 1 is installed through the mounting block 2 structure. Through holes 10 are provided at both ends of the second arc clamp 7, and the piston rod 12 can be penetrated through the through holes 10 to facilitate extension and recovery, so as to realize the connection between the first arc clamp 3 and the second arc clamp 7 to achieve the effect of liquid expansion, and the through holes 10 and the piston rod 12 are penetrated and matched.
[0026] Working principle: When in use, first install and fasten the bolt block 4 through the internal mounting holes 17 of the first arc-shaped fixture 3 and the second arc-shaped fixture 7. Subsequently, extend the hydraulic cylinder 13, thereby completing the telescopic movement of the piston rod 12 and the limiting block 11 inside the internal movable cavity 15 of the first arc-shaped fixture 3, so as to be able to adjust the liquid expansion of the first arc-shaped fixture 3 and the second arc-shaped fixture 7. When the clamped tubular component is in the clamped inner ring 8, by retracting the hydraulic cylinder 13, the limiting block 11 abuts against the movable cavity 15, and the fastening function can be realized, which is convenient for clamping and processing operations according to different diameters of pipes.
[0027] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. An adjustable liquid expansion fixture, comprising: A fixed base (1), characterized in that a slide groove (6) is provided on the upper rear side of the fixed base (1), and two movable side plates (5) are arranged inside the slide groove (6), the movable side plate (5) and the inner wall of the slide groove (6) are fixedly connected on one side, and the movable side plate (5) and the slide groove (6) are slidably matched on the other side, and a first arc clamp (3) and a second arc clamp (7) are respectively arranged on the upper inner side of the movable side plate (5), through holes (9) are provided at both ends of the first arc clamp (3), a telescopic cavity (16) is provided inside the through hole (9), a movable cavity (15) is provided at one end of the telescopic cavity (16), and a hydraulic cylinder (13) is arranged inside the movable cavity (15).
2. An adjustable liquid expansion fixture as claimed in claim 1, characterized in that: The extended end of the hydraulic cylinder (13) is telescopically matched with a piston rod (12), and one end of the piston rod (12) is fixedly connected to a limiting block (11).
3. An adjustable liquid expansion fixture as claimed in claim 2, characterized in that: The limit block (11) is sleeved inside the active cavity (15).
4. The adjustable liquid expansion fixture according to claim 1, characterized in that: The inner rings of the first arc-shaped clamp (3) and the second arc-shaped clamp (7) are fixedly connected with a clamping inner ring (8).
5. The adjustable liquid expansion fixture according to claim 1, characterized in that: A plurality of mounting holes (17) are provided on the outer sides of the inner circles of the first arc-shaped clamp (3) and the second arc-shaped clamp (7), and a bolt block (4) passes through between the mounting holes (17) and the movable side plate (5).
6. The adjustable liquid expansion fixture according to claim 1, characterized in that: Both sides of the fixed base (1) are fixedly connected with mounting blocks (2).
7. The adjustable liquid expansion fixture according to claim 1, characterized in that: Both ends of the second arc-shaped clamp (7) are provided with through holes (10), and the through holes (10) and the piston rod (12) are in full cooperation with each other.