A device for machining a bellows interface

Abstract

The utility model discloses a kind of processing devices of bellows interface, belong to bellows processing technical field.A kind of processing device of bellows interface, including cylinder, further including fixedly arranged in knock wave head one end fixed rod, knock wave head other end is opened with accommodating groove, and punch of the circular table shape structure is arranged in accommodating groove and is lifted, and the one end of punch in accommodating groove is fixedly arranged with adjusting screw, adjusting screw outer wall is connected with fixed rod internal thread, when knock wave head is flattened to bellows interface, punch side bevel and bellows mouth portion are in abutment;The utility model can be arranged in punch when knock wave head is lifted on knock wave head, when knock wave head is flattened to bellows interface, knock wave head carries punch and reciprocates to bellows, the bevel of punch will extend to bellows, the section of interface is pushed into bellows, reduce the burr on section outward or to bellows axis direction protrude, reduce the scratch to sealing ring or worker's finger, improve use effect.

Description

Technical Field

[0001] This utility model relates to the field of corrugated pipe processing technology, and in particular to a processing device for corrugated pipe interfaces. Background Technology

[0002] Metal corrugated pipes are thin-walled pipes with multiple transverse corrugations. Due to their unique structural characteristics, they are widely used in aerospace, petrochemical, power transmission, and machinery manufacturing industries. Metal corrugated pipes can withstand high pressure and temperature changes, and also possess good flexibility and compensation capabilities, making them suitable for absorbing thermal expansion and contraction, mechanical vibration, and installation errors in piping systems.

[0003] When connecting a bellows to an electronic expansion valve or condenser, the bellows interface needs to be processed. Pre-processed bellows are usually available on the market, with length specifications such as 0.5 meters, 1 meter, and 2 meters. In use, the connector at the bellows interface is directly connected to the pipe interface of the electronic expansion valve or condenser. However, since the length specifications are relatively fixed, different lengths of bellows are often used on the construction site according to actual needs. In this case, the bellows is cut to the required length, and then the end face of the bellows needs to be flattened to facilitate the connection of the bellows to the corresponding pipe fittings. Flattening the end face of the bellows is usually done using a bellows beater.

[0004] While existing knockers can flatten the bellows interface face during use, the burrs at the interface can easily scratch the sealing gasket or cut fingers, affecting the user experience. Utility Model Content

[0005] The purpose of this invention is to solve the problem that it is inconvenient to clean the burrs at the interface when using a knocking device to knock the bellows interface in the prior art, and to propose a processing device for bellows interface.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A processing device for a bellows interface includes a cylindrical body, a slidably disposed bellows head inside the cylindrical body, a first semi-cavity fixedly disposed at one end of the cylindrical body, a second semi-cavity rotatably disposed on the side wall of the first semi-cavity, and a fixing rod fixedly disposed at one end of the bellows head. The other end of the bellows head is provided with a receiving groove, and a punch with a frustum-shaped structure is raised and lowered in the receiving groove. An adjusting screw is fixedly disposed at one end of the punch located in the receiving groove. The outer wall of the adjusting screw is threadedly connected to the fixing rod. When the bellows head is leveled against the bellows interface, the inclined side of the punch abuts against the opening of the bellows.

[0008] To facilitate the rotation of the adjusting screw, preferably, the end of the fixed rod away from the punch head has a through hole, and the end of the adjusting screw away from the punch head has an adjusting groove with a hexagonal prism structure, the adjusting groove corresponding to the through hole.

[0009] In order to enable the rotating fixed rod to flatten the bellows interface with the tapping head, preferably, a limiting sleeve is provided inside the cylinder, the outer wall of the fixed rod is threadedly connected to the inner wall of the limiting sleeve, and a fixing member for fixing the limiting sleeve is provided on the cylinder.

[0010] To facilitate the fixing of the limiting sleeve, the fixing component further includes a bolt threadedly connected to the circumference of the cylindrical body, and a plurality of limiting holes evenly distributed in a circle are opened on the circumference of the limiting sleeve, and one end of the bolt is threadedly connected to the limiting hole.

[0011] Furthermore, a knob is fixedly provided at the end of the fixing rod away from the tapping head.

[0012] Preferably, the inner walls of the first and second semi-cavities are provided with fixing holes, and a retaining ring is fixedly provided on the inner wall of the fixing hole. The other end of the tapping head abuts against the end face of the retaining ring, and the retaining ring engages with the trough of the bellows. Furthermore, the outer walls of the first and second semi-cavities are provided with anti-slip textures.

[0013] Compared with the prior art, the present invention provides a processing device for bellows interfaces, which has the following advantages:

[0014] 1. The processing device for the bellows interface, by raising and lowering the punch on the bellows head, can level the bellows interface with the bellows head, and the bellows head moves back and forth with the punch towards the bellows. The inclined surface of the punch will extend into the bellows, pushing the cross-section at the interface into the bellows, reducing the burrs on the cross-section from protruding outward or towards the axis of the bellows, reducing scratches on the sealing ring or workers' fingers, and the extension length of the punch can be adjusted by rotating the adjusting screw, improving the performance.

[0015] 2. The processing device for the bellows interface uses a fixing component to fix the limiting sleeve inside the cylinder. Then, rotating the fixing rod moves the hammer head closer to the retaining ring, and rotating the fixing rod can flatten the bellows interface. This is suitable for situations where the operating space is limited and it is inconvenient to use a hammer to strike. When the fixing component is released, the limiting sleeve can slide inside the cylinder. At this time, a hammer can be used to strike the fixing rod to flatten the bellows interface, improving its usability.

[0016] All parts not mentioned in this device are the same as or can be implemented using existing technology. This utility model uses a punch that is raised and lowered on the tapping head. When the tapping head taps the bellows interface, the tapping head moves back and forth with the punch towards the bellows. The inclined surface of the punch extends into the bellows, pushing the cross-section at the interface into the bellows. This reduces the burrs on the cross-section protruding outward or towards the bellows axis, reduces scratches on the sealing ring or workers' fingers, and improves the performance. Attached Figure Description

[0017] Figure 1 This invention provides a schematic diagram of the structure of a processing device for a bellows interface. Figure 1 ;

[0018] Figure 2 This invention provides a schematic diagram of the structure of a processing device for a bellows interface. Figure 2 ;

[0019] Figure 3 This is a cross-sectional view of a bellows interface processing device proposed in this utility model;

[0020] Figure 4 This is a schematic diagram of the limiting sleeve of the processing device for a bellows interface proposed in this utility model.

[0021] In the diagram: 1. Cylindrical body; 101. Second half-cavity; 102. Fixing hole; 103. Snap ring; 104. First half-cavity; 2. Knob; 201. Fixing rod; 202. Knob; 203. Receiving groove; 3. Punch; 301. Adjusting screw; 302. Adjusting groove; 4. Limiting sleeve; 401. Limiting hole. Detailed Implementation

[0022] 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.

[0023] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] Example:

[0025] Reference Figures 1-4A processing device for a bellows joint includes a cylindrical body 1, a bellows head 2 slidably disposed inside the cylindrical body 1, a first semi-cavity 104 fixedly disposed at one end of the cylindrical body 1, and a second semi-cavity 101 rotatably disposed on the side wall of the first semi-cavity 104, matching the first semi-cavity 104. Fixing holes 102 are provided on the inner walls of both the first semi-cavity 104 and the second semi-cavity 101. A retaining ring 103 is fixedly disposed on the inner wall of the fixing hole 102. The other end of the bellows head 2 abuts against the end face of the retaining ring 103, engaging the retaining ring 103 with the trough of the bellows. In use, the bellows is placed in the fixing hole 102 in the first semi-cavity 104, causing the retaining ring 103 to engage with the trough of the bellows. At this point, two to four peaks remain at the end of the bellows near the striking head 2. Then, the second semi-cavity 101 is placed over the first semi-cavity 104, and both the first and second semi-cavities 104 and 101 are gripped tightly. A hammer is then used to strike the striking head 2. Under the action of the retaining ring 103 near the striking head 2 and the striking head 2 itself, the two to four peaks of the bellows can be flattened, facilitating subsequent use. Furthermore, anti-slip textures are provided on the outer walls of both the first and second semi-cavities 104 and 101. When gripping the first and second semi-cavities 104 and striking the striking head 2, this reduces the risk of slippage between the first and second semi-cavities 104 and the hand. To prevent slippage and improve usability, the outer circumferential wall of the hammer head 2 fits against the inner wall of the first half-cavity 104 and the second half-cavity 101 during mold closing. It also includes a fixed rod 201 fixedly mounted at one end of the hammer head 2, with the end of the fixed rod 201 extending out of the cylindrical body 1. A hammer can be used to strike the top of the fixed rod 201, achieving a flattening effect on the bellows interface using the hammer head 2. A receiving groove 203 is provided at the other end of the hammer head 2, within which a punch 3 with a frustum-shaped structure is raised and lowered. Here, the smaller end of the frustum-shaped structure is rounded. When the hammer head 2 flattens the bellows interface, the inclined surface of the punch 3 extends into the bellows. Pushing the cross-section at the bellows interface into the bellows reduces the outward or axial protrusion of burrs on the cross-section, minimizing scratches on the sealing ring or workers' fingers and improving safety. When not in use, punch 3 can be stored in the receiving groove 203. An adjusting screw 301 is fixedly installed at one end of punch 3 located in the receiving groove 203. The outer wall of the adjusting screw 301 is threaded to the inner thread of the fixed rod 201. By driving the adjusting screw 301 to rotate, punch 3 can be extended or stored out of the receiving groove 203. When the bellows 2 is leveled against the bellows interface, the inclined side of punch 3 abuts against the bellows opening. Under the action of the inclined side, the cross-section at the interface is pushed into the bellows.

[0026] In use, by raising and lowering the punch 3 on the tapping head 2, the tapping head 2 can be used to flatten the bellows interface. The tapping head 2 moves back and forth with the punch 3 towards the bellows. The inclined surface of the punch 3 extends into the bellows, pushing the cross-section at the interface into the bellows. This reduces the burrs on the cross-section protruding outward or towards the bellows axis, reducing scratches on the sealing ring or workers' fingers. Furthermore, by rotating the adjusting screw 301, the extension length of the punch 3 can be adjusted to improve the performance.

[0027] Reference Figure 3 and Figure 4 A through hole is provided at the end of the fixed rod 201 away from the hammerhead 2, and an adjustment groove 302 with a hexagonal prism structure is provided at the end of the adjusting screw 301 away from the punch 3. The adjustment groove 302 corresponds to the through hole. The size of the adjustment groove 302 matches the specifications of commonly used hex wrenches on the market. Moreover, the inner diameter of the through hole is much smaller than the outer diameter of the hammerhead. In use, by inserting the hex wrench into the through hole and extending it into the adjustment groove 302, the adjusting screw 301 can be rotated through the wrench to adjust the position of the punch 3.

[0028] Reference Figures 2-4 A limiting sleeve 4 is provided inside the cylindrical body 1. The outer wall of the fixing rod 201 is threadedly connected to the inner wall of the limiting sleeve 4. A fixing member for fixing the limiting sleeve 4 is provided on the cylindrical body 1. In use, the limiting sleeve 4 is fixed inside the cylindrical body 1 by using the fixing member. At this time, rotating the fixing rod 201 moves the bellows head 2 closer to the retaining ring 103. Rotating the fixing rod 201 can flatten the bellows interface. This is suitable for situations where the operating space is limited and it is inconvenient to use a hammer to strike. When the fixing member is released, the limiting sleeve 4 can slide inside the cylindrical body 1. At this time, a hammer can be used to strike the fixing rod 201 to flatten the bellows interface.

[0029] Reference Figures 2-4 Here, we design the fastener to have bolts threaded onto the circumference of the cylindrical body 1, and multiple circumferentially distributed limiting holes 401 are provided on the circumference of the limiting sleeve 4. There are two to twenty limiting holes 401, preferably eight. By connecting one end of the bolt to the internal thread of any limiting hole 401, the limiting sleeve 4 can be fixed inside the cylindrical body 1. In addition, a knob 202 is fixedly provided at the end of the fixing rod 201 away from the tapping head 2, which facilitates the rotation of the fixing rod 201 and improves the use effect.

[0030] 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 processing device for a bellows interface, comprising a cylindrical body (1), wherein a bellows head (2) is slidably disposed inside the cylindrical body (1), a first semi-shaped cavity (104) is fixedly disposed at one end of the cylindrical body (1), and a second semi-shaped cavity (101) is rotatably disposed on the side wall of the first semi-shaped cavity (104), characterized in that, It also includes a fixing rod (201) fixedly installed at one end of the tapping head (2). The other end of the tapping head (2) is provided with a receiving groove (203). A punch (3) with a frustum-shaped structure is raised and lowered in the receiving groove (203). An adjusting screw (301) is fixedly provided at one end of the punch (3) in the receiving groove (203). The outer wall of the adjusting screw (301) is threadedly connected to the fixing rod (201). When the tapping head (2) is leveled against the corrugated pipe interface, the inclined side of the punch (3) abuts against the corrugated pipe opening.

2. A device for processing a bellows interface according to claim 1, characterized in that The fixed rod (201) has a through hole at the end away from the hammer (2), and the adjusting screw (301) has an adjusting groove (302) with a hexagonal prism structure at the end away from the punch (3). The adjusting groove (302) corresponds to the through hole.

3. A device for processing a bellows interface as defined in claim 1, characterized in that The cylindrical body (1) is provided with a limiting sleeve (4), the outer wall of the fixing rod (201) is threadedly connected to the inner wall of the limiting sleeve (4), and the cylindrical body (1) is provided with a fixing member for fixing the limiting sleeve (4).

4. A device for processing a bellows interface according to claim 3, characterized in that The fastener includes a bolt threaded onto the circumference of the cylindrical body (1), and the circumference of the limiting sleeve (4) is provided with a plurality of circumferentially distributed limiting holes (401), one end of the bolt being threaded into the limiting hole (401).

5. A device for processing a bellows interface according to claim 4, characterized in that A knob (202) is fixedly installed at the end of the fixed rod (201) away from the tapping head (2).

6. The apparatus of claim 1, wherein, The inner walls of the first half-cavity (104) and the second half-cavity (101) are provided with fixing holes (102). A retaining ring (103) is fixedly installed on the inner wall of the fixing hole (102). The other end of the knocking head (2) abuts against the end face of the retaining ring (103). The retaining ring (103) engages with the trough of the corrugated pipe. The outer walls of the first half-cavity (104) and the second half-cavity (101) are provided with anti-slip textures.

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