Large ellipse sleeving rounding device

Abstract

The utility model provides a large ellipse nesting rounding device which comprises a working table, a positioning groove is formed in the top of the working table, a clamping sleeve is placed at the top of the positioning groove, clamping plates are symmetrically arranged at the notch of the clamping sleeve and connected with locking screws, a sliding groove is formed in one side of the positioning groove, a clamping mechanism is arranged in the sliding groove, and the locking screws are connected with the clamping mechanism. The piston ring compression device is used for solving the technical problems that due to the fact that pressure generated when a large piston ring is opened is large, if a manual compression mode is adopted, the requirement for physical strength of workers is large, the number of perfect circles compressed at a time is limited, and the large piston ring is difficult to be placed on an axial clamping device after being subjected to perfect circle compression.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of elliptical sleeve processing, and specifically relates to a device for fitting a large elliptical sleeve into a perfect circle. Background Art

[0002] The piston, as a key component of the engine, is ingeniously designed, and most of them adopt elliptical pistons. The elliptical shape is to resist the lateral extrusion force that may occur during the working process, avoid the expansion of the piston pin axis due to pressure, and ensure that the piston size will not shrink due to thermal expansion, maintaining a uniform fit clearance with the cylinder in the hot state, and achieving this goal through the elliptical design.

[0003] The piston ring is a metal ring used to be embedded inside the piston groove. The piston rings are divided into two types: compression rings and oil rings. The compression ring can be used to seal the combustible mixture in the combustion chamber; the oil ring is used to scrape off the excess oil on the cylinder, and generally also adopts an elliptical shape to cooperate with the piston.

[0004] During the processing of the inner and outer end faces of the piston ring, it is necessary to compress the piston ring into a perfect circle, and then apply pressure to fix both ends of the perfect circular piston ring to facilitate subsequent grinding and processing operations.

[0005] The inventor found the following defects during the operation of specific embodiments:

[0006] Due to the large pressure when the large piston ring expands, if the manual compression method is used, it requires a large amount of physical strength from the staff, and the number of perfect circles that can be compressed at one time is limited. It is difficult to place the large piston ring in the axial clamping device after compressing it into a perfect circle.

[0007] It should be noted that the above content belongs to the technical cognition scope of the inventor. Due to the vast and complex technical content in this field, the above content of this application does not necessarily constitute the prior art. Summary of the Utility Model

[0008] 1. Technical problems to be solved by the utility model:

[0009] The utility model provides a device for fitting a large elliptical sleeve into a perfect circle to solve the technical problems existing in the above background art.

[0010] 2. Technical solutions:

[0011] To achieve the above object, the technical solution provided by the present utility model is: a large elliptical nested circular device, including a workbench, a positioning groove is opened at the top of the workbench, a clamping sleeve is placed on the top of the positioning groove, clamping plates are symmetrically arranged at the notch of the clamping sleeve, the clamping plates are connected with locking screws, a sliding groove is opened on one side of the positioning groove, and a clamping mechanism is arranged in the sliding groove. When the device works, the elliptical piston ring to be made circular is placed in the clamping sleeve. The clamping sleeve can hold multiple elliptical piston rings at one time. Subsequently, the clamping mechanism on the side will drive the two clamping plates to move towards the middle, thereby closing the opening position of the clamping sleeve. After closing, it is connected through the locking screw to keep the clamping sleeve in a circular state at all times, and thus the piston ring inside is in a circular state. Then, the entire clamping sleeve is placed in the axial clamping device to compress and position both ends, and then the clamping sleeve is taken out. The positioning groove at the top can facilitate the quick placement of the clamping sleeve. The axial clamping device is an existing technology and will not be elaborated.

[0012] Further, threaded holes are symmetrically opened on the clamping plates, and the threaded holes are matingly connected with the locking screws.

[0013] Further, the clamping mechanism includes symmetrically arranged clamping moving plates, the clamping moving plates are matingly connected with the sliding groove, a rotating lead screw is arranged in the sliding groove, the rotating lead screw is matingly connected with the clamping moving plates, and one side of the rotating lead screw is connected with a driving motor, and the driving motor is arranged on the workbench.

[0014] Further, a guiding block is arranged on the end face of the clamping moving plate in contact with the clamping plate, a guiding groove is arranged at the corresponding position of the clamping plate, and the guiding block is matingly connected with the guiding groove.

[0015] Further, inclined surfaces are opened on the inner end faces at both ends of the clamping sleeve.

[0016] 3. Beneficial effects:

[0017] Adopting the technical solution provided by the present utility model, compared with the prior art, it has the following beneficial effects:

[0018] The present utility model is reasonably designed. The clamping sleeve can hold multiple elliptical piston rings stacked at one time. After being placed, the driving motor can automatically move the two clamping plates closer, thereby forming a circle for the clamping sleeve. Finally, it is locked with screws, with a high degree of automation and reduced labor intensity of workers.

[0019] It should be noted that the structures not introduced in the present utility model are the same as the prior art or can be implemented by the prior art because they do not involve the design key points and improvement directions of the present utility model, and will not be elaborated here. Description of the Drawings

[0020] Figure 1It is a schematic structural diagram of the present utility model;

[0021] Figure 2 It is a schematic structural diagram when the clamping sleeve of the present utility model is taken out.

[0022] Reference numerals:

[0023] 1. Workbench; 2. Positioning groove; 3. Clamping sleeve; 31. Inclined surface; 4. Clamping plate; 41. Threaded hole; 5. Locking screw; 6. Sliding groove; 7. Clamping mechanism; 71. Clamping moving plate; 72. Rotating lead screw; 73. Driving motor; 74. Guide block; 75. Guide groove. Specific embodiments

[0024] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model 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 thus cannot be understood as a limitation to the present utility model.

[0026] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more unless otherwise specifically defined.

[0027] In the present utility model, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected", "fixed", "provided with", "provided in", etc. 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 utility model can be understood according to specific circumstances. Embodiment

[0028] Refer to the attached Figure 1-2 , a large elliptical nesting circular device, including a workbench 1, a positioning groove 2 is opened at the top of the workbench 1, a clamping sleeve 3 is placed on the top of the positioning groove 2, clamping plates 4 are symmetrically arranged at the notch of the clamping sleeve 3, the clamping plates 4 are connected with locking screws 5, a sliding groove 6 is opened on one side of the positioning groove 2, a clamping mechanism 7 is arranged in the sliding groove 6. When the device works, an elliptical piston ring to be made circular is placed into the clamping sleeve 3. The clamping sleeve 3 can hold multiple elliptical piston rings at one time. Subsequently, the clamping mechanism 7 on the side will drive the two clamping plates 4 to move towards the middle, thereby closing the opening position of the clamping sleeve 3. After closing, it is connected through the locking screw 5, so that the clamping sleeve 3 is always in a circular state, and thus the internal piston ring is in a circular state. Then, the entire clamping sleeve 3 is placed into the axial clamping device to compress and position both ends, and then the clamping sleeve 3 is taken out. The positioning groove 2 at the top can facilitate the quick placement of the clamping sleeve 3. The axial clamping device is an existing technology and will not be elaborated here.

[0029] Threaded holes 41 are symmetrically opened on the clamping plates 4, and the threaded holes 41 are matingly connected with the locking screws 5. After the clamping mechanism 7 closes the clamping plates 4, the locking screws 5 are screwed into the threaded holes 41 to connect the two clamping plates 4 together.

[0030] The clamping mechanism 7 includes symmetrically arranged clamping moving plates 71, the clamping moving plates 71 are matingly connected with the sliding groove 6, a rotating lead screw 72 is arranged in the sliding groove 6, the rotating lead screw 72 is matingly connected with the clamping moving plates 71, one side of the rotating lead screw 72 is connected with a driving motor 73, and the driving motor 73 is arranged on the workbench 1. The end of the clamping moving plate 71 abuts against the clamping plate 4. When it is necessary to close and clamp the clamping sleeve 3, the driving motor 73 works, thereby driving the rotating lead screw 72 to rotate. The rotation of the rotating lead screw 72 will drive the clamping moving plates 71 in the sliding groove 6 to approach each other, thereby pressing the two clamping plates 4 tightly together.

[0031] A guiding block 74 is arranged on the end face of the clamping moving plate 71 in contact with the clamping plate 4, a guiding groove 75 is arranged at the corresponding position of the clamping plate 4, and the guiding block 74 is matingly connected with the guiding groove 75. When the clamping moving plates 71 approach each other, the guiding block 74 will insert into the guiding groove 75 to prevent sliding between the clamping moving plate 71 and the clamping plate 4 and ensure the smooth merging of the clamping moving plates 71.

[0032] Inclined surfaces 31 are opened on the inner end faces at both ends of the clamping sleeve 3. The inclined surfaces 31 facilitate the placement of the piston ring and also facilitate the pressing plate of the subsequent axial clamping device to enter the clamping sleeve 3.

[0033] The above-described embodiments merely represent certain implementation manners of the present utility model. The description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the patent of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all fall within the protection scope of the present utility model. Therefore, the protection scope of the patent of the present utility model shall be subject to the appended claims.

Claims

1. A large elliptical nesting circular device, characterized in that: It includes a workbench (1). A positioning groove (2) is formed at the top of the workbench (1). A clamping sleeve (3) is placed on the top of the positioning groove (2). Clamping plates (4) are symmetrically arranged at the notch of the clamping sleeve (3). The clamping plates (4) are connected to locking screws (5). A sliding groove (6) is formed on one side of the positioning groove (2). A clamping mechanism (7) is arranged in the sliding groove (6).

2. The large elliptical nesting circular device according to claim 1, wherein: Threaded holes (41) are symmetrically formed on the clamping plates (4). The threaded holes (41) are matingly connected to the locking screws (5).

3. A large elliptical nesting circular device according to claim 1, characterized in that: The clamping mechanism (7) includes symmetrically arranged clamping moving plates (71). The clamping moving plates (71) are matingly connected to the sliding groove (6). A rotating lead screw (72) is arranged in the sliding groove (6). The rotating lead screw (72) is matingly connected to the clamping moving plates (71). One side of the rotating lead screw (72) is connected to a driving motor (73). The driving motor (73) is arranged on the workbench (1).

4. A large elliptical nesting circular device according to claim 3, characterized in that: A guiding block (74) is arranged on the end face of the clamping moving plate (71) in contact with the clamping plate (4). A guiding groove (75) is arranged at the corresponding position of the clamping plate (4). The guiding block (74) is matingly connected to the guiding groove (75).

5. A large elliptical nesting circular device according to claim 1, characterized in that: Inclined surfaces (31) are formed on the inner end faces at both ends of the clamping sleeve (3).

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