Clamping mechanism for special-shaped pipe fitting machining

Abstract

The utility model discloses a clamping mechanism for special-shaped pipe fitting processing, which relates to the technical field of special-shaped pipe fitting clamping appliances and comprises a double-layer supporting table, two shells are mounted at the upper end of the supporting table, hydraulic grooves are longitudinally mounted at close ends of one sides of the two shells, a plurality of hydraulic pipes are mounted in the hydraulic grooves, and sliding strips are mounted at two ends of the shells respectively. According to the flexible clamping device, through cooperation between the rubber plate and the push table, flexible clamping is achieved, the problems that traditional special-shaped surface contact is prone to causing stress concentration or slipping, and clamping damage or indentation can be caused are solved, clamping stability is improved, and the metal surface is protected; and through cooperation of the spring, the push table and the rubber plate, the clamping mechanism adapts to multiple specifications and sizes, the problem that the clamp customization cost is increased due to the fact that a traditional clamping mechanism cannot be compatible with the multiple specifications and sizes is solved, and the product compatibility is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of clamping tools for irregular pipe fittings, and in particular to a clamping mechanism for processing irregular pipe fittings. Background Technology

[0002] Traditional clamping mechanisms for irregularly shaped pipe fittings mostly employ a rigid contact method, applying pressure directly to the pipe fitting surface via a mechanical clamping device. Under this clamping method, stress concentration easily occurs when the rigid clamp contacts the irregular surface of the pipe fitting, leaving not only clamping marks and indentations on the surface, affecting product appearance and quality, but also potential stress hazards inside the pipe fitting, weakening its mechanical properties and service life. Simultaneously, rigid clamping is difficult to conform to complex contours, easily leading to slippage and displacement of the pipe fitting during processing, severely affecting machining accuracy. Furthermore, traditional clamping mechanisms have poor versatility, making it difficult to accommodate various pipe fitting specifications. Enterprises must customize special clamps for each specification, significantly increasing production costs. Therefore, improvements are needed to address these issues. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a clamping mechanism for processing irregularly shaped pipe fittings.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a clamping mechanism for processing irregularly shaped pipe fittings, comprising a double-layer support platform, two outer shells mounted on the upper end of the support platform, hydraulic grooves longitudinally mounted on one side of the two outer shells, multiple hydraulic pipes installed in the hydraulic grooves, and sliding strips mounted on both ends of the outer shells, with screws mounted on the upper and lower ends of the sliding strips, and gas filling the sliding strips; multiple abutments are provided inside the outer shells, the abutments dividing the interior of the outer shells into multiple identical cavities, springs installed in the cavities, and pushers mounted on the upper ends of the springs, the pushers being T-shaped, with the lower ends of the pushers abutting against the cavities; a memory rubber plate is hinged to the upper end of the pushers, and a hydraulic port corresponding to the hydraulic pipes is opened at the upper end of the cavities.

[0005] Preferably, an air pump is installed in the middle layer of the support platform.

[0006] Preferably, an oil tank is installed on one side of the air pump.

[0007] Preferably, the sliding bar is divided into upper and lower ends, and the inner wall of the lower end of the sliding bar has sliding grooves on both sides, and the upper end of the sliding bar is slidably connected to the sliding grooves through the two outer sliding bars.

[0008] Preferably, each of the two gas inflators is equipped with an inflation port, which is fixed to the outside of the through hole at the lower end of the sliding bar, and the two gas inflators are connected to an inflation pump through an inflation pipe.

[0009] Preferably, the two hydraulic tanks are connected to an oil tank via hydraulic pipes, and a hydraulic pump is installed inside the oil tank.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model achieves flexible clamping through the cooperation between the rubber plate and the push table, solving the problem that traditional irregular surface contact easily leads to stress concentration or slippage, and can cause pinching or indentation, thus improving clamping stability and protecting the metal surface; through the cooperation between the spring, the push table, and the rubber plate, it adapts to multiple specifications and sizes, solving the problem that traditional clamping mechanisms cannot be compatible with multiple specifications and sizes, increasing the cost of fixture customization, and improving product compatibility; through the cooperation between the oil tank, air pump, gas filling, push table, and rubber plate, it solves the problem that traditional manual clamps are too time-consuming to meet the needs of automated production lines, thus improving production efficiency. Attached Figure Description

[0011] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0012] Figure 1 This is a schematic diagram of the overall structure proposed in this utility model;

[0013] Figure 2 This is a schematic diagram of the outer shell proposed in this utility model;

[0014] Figure 3 This is a cross-sectional view of the shell structure proposed in this utility model;

[0015] Figure 4 This is a schematic diagram of the sliding bar and the gas filling mechanism proposed in this utility model;

[0016] Figure 5 This is a schematic diagram of the sliding bar proposed in this utility model.

[0017] The following are the components listed in the diagram: 1. Support platform; 2. Outer shell; 3. Hydraulic groove; 4. Sliding bar; 5. Screw; 6. Gas inflator; 7. Rubber plate; 8. Push platform; 9. Spring; 10. Support plate; 11. Air pump; 12. Oil tank. 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 of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] Example: See Figure 1-5This utility model discloses a clamping mechanism for processing irregularly shaped pipe fittings, comprising a double-layer support platform 1 for easy installation of parts; two outer shells 2 are mounted on the upper end of the support platform 1 for providing support for the processed pipe fittings; hydraulic grooves 3 are longitudinally mounted on adjacent ends of the two outer shells 2 for unified entry of hydraulic oil; multiple hydraulic pipes are installed in the hydraulic grooves 3, and sliding strips 4 are installed at both ends of the outer shells 2 for easy fixing of the gas filling 6; screws 5 are installed at the upper and lower ends of the sliding strips 4, and gas filling 6 is installed inside the sliding strips 4 for auxiliary clamping of the pipe fittings; an air pump 11 is installed in the middle layer of the support platform 1 for providing the air source for the gas filling 6; an oil tank 12 is installed on one side of the air pump 11 for providing hydraulic oil to the hydraulic grooves 3.

[0020] In this invention, the outer shell 2 has multiple abutment plates 10 inside, which allow the chambers formed by the abutment plates 10 to extend and retract individually. The abutment plates 10 divide the interior of the outer shell 2 into multiple identical cavities, and springs 9 are installed in the cavities to provide driving force to the pushers 8. Pushers 8 are respectively installed on the upper ends of the springs 9, which provide driving force to the rubber plates 7. The pushers 8 are T-shaped, and the lower end of the pushers 8 abuts against the cavity. A memory rubber plate 7 is hinged to the upper end of the pushers 8, which facilitates clamping. The tube is of a different shape; and the upper end of the cavity is provided with a hydraulic port corresponding to the hydraulic pipe. The sliding bar 4 is divided into upper and lower ends, and the inner wall of the lower end of the sliding bar 4 is provided with sliding grooves on both sides. The upper end of the sliding bar 4 is slidably connected to the sliding grooves through the two outer ends of the sliding bar. The bottom ends of the two gas inflators 6 are respectively equipped with air inflators. The air inflators 6 are fixed to the outside of the through hole at the lower end of the sliding bar 4. The two gas inflators 6 are connected to the air pump 11 through an air inflator pipe. The interior of the two hydraulic grooves 3 is connected to the oil tank 12 through a hydraulic pipe. The oil tank 12 is equipped with a hydraulic pump.

[0021] Working principle: When this utility model is used, the gear pump inside the oil tank 12 is started by powering on, and hydraulic oil is delivered to the hydraulic tank 3 through the hydraulic pipeline. Then, the hydraulic oil flows through the upper interior of the outer shell 2. Due to the action of the hydraulic oil, the pusher 8 is pushed downward to compress the spring 9. When the compressing spring 9 reaches its maximum elastic force, the irregularly shaped tube passes through the middle of the two outer shells 2. Then, the hydraulic pump inside the oil tank 12 is stopped, and the pusher 8 moves upward under the self-driving force of the spring 9. Since the interior of the outer shell 2 is divided into multiple independent chambers by the back plate 10, and the end of the pusher 8 installed in each chamber is hinged. With the memory rubber plate 7 attached, it can clamp different concave and convex surfaces of irregularly shaped tubes. At the same time, the air pump 11 is started to send gas through the air pipe into the gas 6. Since the sliding bar 4 is connected to the outer shell 2 through the screw 5, when the upper outer shell 2 moves due to the irregularly shaped tube, the sliding bar 4 will also move accordingly. The gas 6 will hold the irregularly shaped tube tightly. After the irregularly shaped tube is processed, the air pump 11 is turned on to release the gas inside the gas 6. Then the gear pump inside the oil tank 12 is started to move the push table 8 down, and then the irregularly shaped tube can be taken out.

[0022] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A clamping mechanism for processing irregularly shaped pipe fittings, comprising a double-layer support platform (1), characterized in that: The support platform (1) has two outer shells (2) installed on its upper end. A hydraulic groove (3) is installed longitudinally on one side of the two outer shells (2) near each other. Multiple hydraulic pipes are installed in the hydraulic groove (3). Sliding strips (4) are installed at both ends of the outer shells (2). Screws (5) are installed at the upper and lower ends of the sliding strips (4). Gas (6) is installed inside the sliding strips (4). The outer shell (2) is provided with multiple abutment plates (10) inside, which divide the interior of the outer shell (2) into multiple identical cavities. Springs (9) are installed in the cavities. Pushers (8) are installed on the upper ends of the springs (9). The pushers (8) are T-shaped and their lower ends abut against the cavities. A memory rubber plate (7) is hinged to the upper end of the pushers (8), and a hydraulic port corresponding to the hydraulic pipe is opened at the upper end of the cavity.

2. The clamping mechanism for processing irregularly shaped pipe fittings according to claim 1, characterized in that: An air pump (11) is installed in the middle layer of the support platform (1), and an oil tank (12) is installed on one side of the air pump (11).

3. The clamping mechanism for processing irregularly shaped pipe fittings according to claim 1, characterized in that: The sliding bar (4) is divided into upper and lower ends, and the inner wall of the lower end of the sliding bar (4) has sliding grooves on both sides. The upper end of the sliding bar (4) is slidably connected to the sliding grooves through the outer two ends of the sliding bar.

4. The clamping mechanism for processing irregularly shaped pipe fittings according to claim 3, characterized in that: The bottom ends of the two gas inflators (6) are respectively equipped with air inlets. The air inlets of the gas inflators (6) are fixed to the outside of the through hole at the lower end of the sliding bar (4). The two gas inflators (6) are connected to the air pump (11) through an air inlet pipe.

5. The clamping mechanism for processing irregularly shaped pipe fittings according to claim 1, characterized in that: The two hydraulic tanks (3) are connected to the oil tank (12) via hydraulic pipes, and the oil tank (12) is equipped with a hydraulic pump.

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