Eccentric hole machining device

Abstract

The utility model provides an eccentric hole machining device, which relates to the technical field of machining and comprises a cylinder, first grooves are symmetrically arranged on the side wall of the cylinder, and a cavity is arranged in the cylinder. The fixing device comprises two supporting plates which are both vertically connected to the bottom plate and are arranged in parallel oppositely. The two sliding assemblies are connected to the bottom plate in a sliding mode, and the two sliding assemblies are oppositely arranged in parallel and located between the two supporting plates; the two connecting rods are in threaded connection with the two supporting plates correspondingly, and the opposite ends of the two connecting rods are rotationally connected with the sliding assemblies correspondingly; the ends, away from the sliding assembly, of the two connecting rods are connected with handles correspondingly. According to the eccentric hole machining device, machining can be conducted on a common lathe, the machining efficiency is improved, and the use cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to an eccentric hole processing device. Background Art

[0002] An eccentric hole is a hole whose centerline does not coincide with the centerline of the workpiece. This type of hole is very necessary in machining. For example, in certain transmission devices, cam mechanisms, or applications that require a specific motion trajectory, it is necessary to process eccentric holes.

[0003] The existing eccentric hole processing method uses a manual method of marking and then drilling with a drill. This method is inefficient, but the cost of using CNC machine tools is too high. Using an ordinary lathe, the tailstock cannot move and the drill can only be fixed in one position, which makes it impossible to process the eccentric hole. Utility Model Content

[0004] The purpose of the present invention is to provide an eccentric hole processing device to address the deficiencies in the above-mentioned prior art, so that processing can be performed on an ordinary lathe, thereby improving processing efficiency compared with manual methods and reducing usage costs compared with CNC machine tool processing methods.

[0005] To achieve the above objectives, the technical solutions adopted in the embodiments of the present invention are as follows:

[0006] A device for processing an eccentric hole comprises: a cylinder, a first groove body is symmetrically arranged on the side wall of the cylinder, and a cavity is arranged in the cylinder; a fixing device comprises: two support plates, the two support plates are vertically connected to the base plate, and the two support plates are relatively parallel; two sliding assemblies are both slidably connected to the base plate, the two sliding assemblies are relatively parallel and located between the two support plates; two connecting rods are respectively threadedly connected to the two support plates, and the facing ends of the two connecting rods are respectively rotatably connected to the sliding assemblies; the ends of the two connecting rods away from the sliding assemblies are respectively connected to handles; the cylinder is detachably connected between the two sliding assemblies.

[0007] Furthermore, in the present invention, a first through groove is provided at the connection between the base plate and the two support plates, and the first through groove runs through the entire length direction of the base plate, and ridges are provided on the inner walls on both sides of the opposite sides of the first through groove; the two sliding components include: a sliding plate, a second groove body is provided on both sides of the lower part of the sliding plate, the bottom of the sliding plate is located in the first through groove, and the ridges are slidably connected to the second groove body; the end of the connecting rod is rotatably connected to the sliding plate; and a fixing rod is connected to the opposite side walls of the two sliding plates.

[0008] Furthermore, in the present invention, a plurality of fixing plates are connected to the bottom plate, and a second through hole is formed on the plurality of fixing plates.

[0009] Furthermore, in the present invention, the fixing device includes: being used alone or being used together in plurality.

[0010] Beneficial effects: The technical solution of this application has the following technical effects:

[0011] The utility model is an eccentric hole processing device, which first fixes the eccentric hole processing device on an ordinary lathe, then places the part to be processed into a cylinder, and then rotates the handle to adjust the position of the sliding component. After determining the distance that the part to be processed needs to be offset, the cylinder is placed between two sliding components, and the sliding component is fixed to the first groove body, so that the eccentric hole can be processed. Compared with the manual method, the efficiency is improved, and compared with CNC machine tool processing, the cost is effectively reduced.

[0012] It should be appreciated that all combinations of the foregoing concepts, as well as additional concepts described in greater detail below, may be considered to be part of the inventive subject matter of this disclosure, provided such concepts are not mutually inconsistent.

[0013] The foregoing and other aspects, embodiments, and features of the present invention will be more fully understood from the following description in conjunction with the accompanying drawings. Other additional aspects of the present invention, such as the features and / or beneficial effects of the exemplary embodiments, will become apparent from the following description or through practice of specific embodiments according to the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are not intended to be drawn to scale. In the accompanying drawings, each identical or nearly identical component shown in various figures may be represented by the same reference numeral. For the sake of clarity, not every component is labeled in every figure. Embodiments of various aspects of the present invention will now be described by way of example and with reference to the accompanying drawings, in which:

[0015] Figure 1 A structural diagram of an eccentric hole machining device provided in one embodiment of the present utility model;

[0016] Figure 2 A structural diagram of a fixing device for an eccentric hole machining device provided in one embodiment of the present utility model;

[0017] Figure 3 A side view of an eccentric hole machining device provided by one embodiment of the present utility model;

[0018] Figure 4 A structural diagram of an eccentric hole machining device provided in one embodiment of the present utility model;

[0019] In the figure, the meanings of the various reference numerals are as follows: 1-cylinder; 2-inner cavity; 3-fixing device; 31-support plate; 32-bottom plate; 33-sliding assembly; 34-connecting rod; 35-handle; 36-first through groove; 37-convex ridge; 331-sliding plate; 332-fixing rod; 38-fixing plate; 39-second through hole. DETAILED DESCRIPTION

[0020] In order to better understand the technical content of the present invention, specific embodiments are given and described as follows in conjunction with the accompanying drawings. Various aspects of the present invention are described in this disclosure with reference to the accompanying drawings, in which many illustrative embodiments are shown. The embodiments of the present disclosure are not necessarily defined to include all aspects of the present invention. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in the present invention are not limited to any implementation method. In addition, some aspects disclosed in the present invention can be used alone or in any appropriate combination with other aspects disclosed in the present invention.

[0021] like Figures 1-4 As shown, an eccentric hole processing device, a cylinder 1, a first groove body is symmetrically arranged on the side wall of the cylinder 1, and a cavity 2 is arranged in the cylinder 1; the fixing device 3 includes: two support plates 31, the two support plates 31 are vertically connected to the bottom plate 32, and the two support plates 31 are relatively parallel; two sliding components 33, both slidably connected to the bottom plate 32, the two sliding components 33 are relatively parallel and located between the two support plates 31; two connecting rods 34 are respectively threadedly connected to the two support plates 31, and the facing ends of the two connecting rods 34 are respectively rotatably connected to the sliding components 33; the ends of the two connecting rods 34 away from the sliding components 33 are respectively connected to handles 35; the cylinder 1 is detachably connected between the two sliding components 33.

[0022] In this application, the parts to be processed can be eccentric tubes, eccentric shafts, eccentric wheels, etc. The cylinder 1 is provided to protect the parts to be processed from wear. The shape of the inner cavity 2 can be selected according to the actual parts to be processed. The cylinder 1 with a circular inner cavity 2 is used as an example for explanation. Both ends of the cylinder 1 are open structures, and the opening diameter of the front end is larger than the opening diameter of the rear end, so that the parts to be processed can be fixed in the cylinder 1 and the drill bit can pass through the cylinder 1. The outer wall of the part to be processed abuts against the inner wall of the cavity 2. The position of the two sliding components 33, that is, the offset of the eccentric hole, can be adjusted by rotating the handles 35 at both ends, and the cylinder 1 is located above the base plate 32.

[0023] Furthermore, a first through groove 36 is provided at the connection between the bottom plate 32 and the two support plates 31, and the first through groove 36 runs through the entire length direction of the bottom plate 32, and ridges 37 are provided on the inner walls on both sides of the opposite sides of the first through groove 36; the two sliding components 33 each include: a sliding plate 331, a second groove body is provided on both sides of the lower part of the sliding plate 331, the bottom of the sliding plate 331 is located in the first through groove 36, and the ridges 37 are slidably connected to the second groove body; the end of the connecting rod 34 is rotatably connected to the sliding plate 331; a fixing rod 332 is connected to the opposite side walls of the two sliding plates 331, the other end of the fixing rod 332 extends into the first groove body, and the shape of the fixing rod 332 matches the shape of the first groove body.

[0024] In the present application, when the connecting rod 34 rotates, the second groove on the sliding plate 331 cooperates with the ridge 37 on the bottom plate to drive the sliding plate 331 to move left and right along the length direction of the bottom plate 32.

[0025] Furthermore, a plurality of fixing plates 38 are connected to the bottom plate 32 , and second through holes 39 are formed in the plurality of fixing plates 38 .

[0026] In the present application, the bolts are passed through the second through holes 39 on the fixing plate 38 and then fixed to the machine tool.

[0027] Furthermore, the fixing device 3 includes: being used alone or being used together in plurality.

[0028] In this application, the number of fixing devices 3 used can be determined according to the actual length of the parts to be processed, such as eccentric tubes, eccentric shafts, eccentric wheels, etc. If the length is short, one fixing device 3 can be used to fix the cylinder 1. If the length is long, multiple fixing devices 3 can be used to fix the cylinder.

[0029] The use process of the eccentric hole processing device is as follows:

[0030] First, place the fixing device 3 in front of the lathe fixture, and then pass the bolt through the second through hole 39 on the fixing plate 38 to fix the fixing device 3 to the lathe. Then, according to the parts to be processed, that is, eccentric tubes, eccentric shafts, eccentric wheels, etc., select the cylinder 1 corresponding to the inner cavity 2, and place the parts to be processed into the cylinder 1. Then turn the handle 35 to adjust the position of the sliding assembly 33. After determining the displacement that the parts to be processed need to be offset, fix the rear end of the cylinder 1 on the lathe fixture, and place the other end between the two sliding assemblies 33, and fix the sliding assembly 33 to the first groove body. At this time, you can open the drill bit on the machine tool to complete the processing of the eccentric hole on the part.

[0031] The standard parts used in this application document can all be purchased from the market, and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology. The control method is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by technicians in this field, which is common knowledge in this field. In addition, this application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0032] While the present invention has been described above with reference to preferred embodiments, this is not intended to limit the present invention. Persons skilled in the art will readily appreciate that various modifications and variations may be made without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the claims.

Claims

1. An eccentric hole processing device, characterized in that: include: A cylinder (1), wherein a first groove is symmetrically arranged on a side wall of the cylinder (1), and a cavity (2) is arranged inside the cylinder (1); The fixing device (3) comprises: Two support plates (31), both of the support plates (31) are vertically connected to the bottom plate (32), and the two support plates (31) are relatively parallel and arranged; Two sliding assemblies (33) are both slidably connected to the bottom plate (32), and the two sliding assemblies (33) are relatively parallel and located between the two support plates (31); Two connecting rods (34) are respectively threadedly connected to the two support plates (31), and the facing ends of the two connecting rods (34) are respectively rotatably connected to the sliding assembly (33); The ends of the two connecting rods (34) away from the sliding assembly (33) are respectively connected to handles (35); The cylinder (1) is detachably connected between the two sliding assemblies (33).

2. The eccentric hole processing device according to claim 1, characterized in that: A first through groove (36) is provided at the connection between the bottom plate (32) and the two support plates (31), and the first through groove (36) runs through the entire length direction of the bottom plate (32), and ridges (37) are provided on the inner walls on both sides of the first through groove (36); The two sliding assemblies (33) each comprise: A sliding plate (331), wherein second grooves are provided on both sides of the lower portion of the sliding plate (331), the bottom of the sliding plate (331) is located in the first through groove (36), and the ridge (37) is slidably connected to the second groove; The end of the connecting rod (34) is rotatably connected to the sliding plate (331); The facing side walls of the two sliding plates (331) are both connected with fixing rods (332).

3. The eccentric hole machining device according to claim 2, characterized in that: The bottom plate (32) is also connected to a plurality of fixing plates (38), and the plurality of fixing plates (38) are provided with second through holes (39).

4. The eccentric hole machining device according to claim 1, characterized in that: The fixing device (3) includes: one used alone or multiple used together.

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