Shaft sleeve forming device with two chamfered faces

Abstract

The utility model provides a shaft sleeve forming device with two chamfered faces, and relates to the field of shaft sleeve forming, a transverse groove with the left side and the right side closed bidirectionally is further formed in a bracket, a side plate is fixedly connected to the bottom end face of the bracket, the side plate is perpendicular to the bottom end face of the bracket, and a first driver is assembled on the left side of the side plate through a bolt; the problems that in the prior art, machining of different angles of the two faces of a shaft sleeve can be achieved only through corresponding tool changing operation, so that the shaft sleeve needs to be repeatedly disassembled and assembled, the concentricity of the shaft sleeve is prone to deviation, and then the machining precision of follow-up chamfering is affected are solved. The bevel gear A can be rotationally driven by starting the first driver mounted on the outer side of the side plate, and the vertical frame is driven to rotate together with a workpiece through meshing transmission of the bevel gear A and the bevel gear B, so that the purpose of all-directional rapid machining is achieved.

Description

Technical Field

[0001] The utility model belongs to the field of shaft sleeve molding, in particular to a shaft sleeve molding device with double-sided chamfering. Background Art

[0002] The sleeve is a cylindrical mechanical part that is sleeved on the rotating shaft and is a component of the sliding bearing. Generally speaking, the sleeve and the bearing seat adopt an interference fit, and the shaft adopts a clearance fit. In order to better assemble with other parts through interference fit, the sleeve generally needs to be chamfered on the upper and lower end faces of the sleeve for use. When the chamfer is opened, it is mostly formed by grinding and cutting. However, when the sleeve is formed, because the two end faces sometimes need to be processed at different inclination angles, not only does it need to be reversing the workpiece, but it also needs to rely on the corresponding tool change operation to achieve double-sided processing of the sleeve at different angles. Therefore, the sleeve needs to be repeatedly disassembled and assembled, which is easy to cause the concentricity of the sleeve to deviate, which will affect the subsequent chamfering processing accuracy.

[0003] Therefore, in view of the shortcomings of the above-mentioned scheme in actual production and implementation, it has been modified and improved. At the same time, in the spirit and concept of seeking excellence, with the assistance of professional knowledge and experience, and after many ingenuity and experiments, the present utility model was created, and a double-sided chamfered sleeve forming device is provided to solve the problem. Utility Model Content

[0004] The utility model proposes a double-sided chamfered shaft sleeve forming device, which solves the problem in the prior art that, because the two end faces sometimes need to be processed at different inclination angles, not only is it necessary to perform reversal processing on the workpiece, but also it is necessary to rely on corresponding tool changing operations to achieve double-sided different angle processing of the shaft sleeve. Therefore, the shaft sleeve needs to be repeatedly disassembled and assembled, which easily causes deviations in the concentricity of the shaft sleeve, thereby affecting the subsequent chamfering processing accuracy.

[0005] The technical solution of the utility model is implemented as follows: a double-sided chamfered shaft sleeve forming device comprises a workbench, a bracket is fixedly connected to the bottom end surface of the workbench, the bracket is provided at four places, and the four brackets are fixedly connected to the bottom end surface of the workbench in a circular array, the four brackets are all frame structures, and the inside of the workbench is also fixedly connected to a bracket, the main body of the bracket is a cross-shaped structure, and the length of the transverse member in the bracket is greater than the length of the workbench, and the workbench is extended outward, and the inside of the bracket is also provided with a transverse groove closed in both directions on the left and right sides, a side plate is fixedly connected to the bottom end surface of the bracket, the side plate and the bottom end surface of the bracket are vertically arranged, and the left side of the side plate is equipped with a first driver by bolts

[0006] As a preferred embodiment, a slider is fixedly connected to the outer side of the movable frame, and the slider is symmetrically fixedly connected to the outer side of the movable frame, and a cross beam is fixedly connected to the top surface of the movable frame, the cross beam and the movable frame are vertically arranged, and a connecting plate is fixedly connected to one side of the cross beam close to the table top, wherein every two longitudinally adjacent connecting plates form a group, and the two groups of connecting plates are fixedly connected to one end surface of the cross beam in a linear array, and a second driver is also arranged on the outer side of the connecting plate.

[0007] As a preferred embodiment, the upper part of the bracket extending from the rotating shaft is fixedly connected to a table plate, the main body of the table plate is a circular structure, and a cylinder is installed inside the transverse groove opened in the bracket. There are two cylinders in total, and the two cylinders are symmetrically installed in the transverse groove opened in the bracket. A movable frame is installed on the output end of the two cylinders, and the movable frame is located in the transverse groove opened in the bracket.

[0008] As a preferred embodiment, an output shaft is provided on one side of the second driver close to the connecting plate, and a chamfering assembly is installed on the output shaft. The chamfering assembly is a conical structure, and the chamfering assembly and the second driver together constitute a chamfering structure, and a vertical frame is fixedly connected to the top surface of the table plate, and the vertical frame and the table plate are vertically arranged.

[0009] As a preferred embodiment, an output shaft is provided on the right side of the first driver, and a bevel gear A is installed on the output shaft. The first driver and the bevel gear A together constitute a driving structure, and a through hole is opened at the center position of the bracket, a bearing seat is installed inside the through hole, and a rotating shaft is installed through the bearing seat, the upper and lower ends of the rotating shaft both extend out of the main position of the bracket, and the bottom end of the rotating shaft is interference fit with a bevel gear B, and the bevel gear B and the bevel gear A arranged on the right side of the first driver are meshing transmission, and together constitute a transmission structure.

[0010] As a preferred embodiment, an air supply pump is fixedly connected to the front end face of the stand, and the air supply pump is used to draw air from the outside and supply air to the inside of the airbag. A through hole is opened inside the stand, and an annular airbag is embedded in the through hole. The airbag is connected to the air supply pump through a hose, and a workpiece is clamped and limited inside the airbag, and the workpiece is a shaft sleeve.

[0011] After using the above technical solution, the beneficial effects of the utility model are:

[0012] 1. In the utility model, a stand is provided with an airbag fixedly connected to the inside thereof, and a ball is rotatably connected to the inner wall of the airbag. Therefore, when the workpiece (i.e., the shaft sleeve) is assembled into the inside of the airbag, not only can the workpiece be clamped and limited by inflating the inside of the airbag, but the workpiece can also be rotated normally by utilizing the setting of the ball, thus making it more convenient for subsequent processing.

[0013] 2. In the utility model, a table that can rotate around the bracket is provided, so that when the workpiece is clamped and limited inside the vertical frame, if it is necessary to perform reversing processing on both ends of the workpiece, the bevel gear A can be driven to rotate by starting the first driver installed on the outer side of the side plate, and the vertical frame and the workpiece can be driven to rotate through the meshing transmission of the bevel gear A and the bevel gear B, so as to achieve the purpose of all-round rapid processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a schematic diagram of the axial side view of a part of the structure of the utility model in a half-section state;

[0016] Figure 2 It is a schematic diagram of the assembly structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the moving direction structure of the mobile frame of the utility model;

[0018] Figure 4 This is a schematic diagram of the meshing structure of the helical gear A and the helical gear B of the utility model;

[0019] Figure 5 This is a schematic diagram of the assembly structure of the airbag and the workpiece of the utility model;

[0020] Figure 6 It is a left-side structural schematic diagram of the utility model;

[0021] In the figure, 1, workbench; 101, bracket; 102, bracket; 2, side panel; 201, first driver; 202, bevel gear A; 203, rotating shaft; 204, bevel gear B; 205, table; 3, cylinder; 301, moving frame; 302, slider; 303, beam; 304, connecting plate; 305, second driver; 306, chamfering assembly; 4, stand; 401, air supply pump; 402, air bag; 403, workpiece. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-Figure 6 As shown, a double-sided chamfered sleeve forming device comprises: a workbench 1, a bracket 101 is fixedly connected to the bottom end surface of the workbench 1, the bracket 101 is provided at four locations, and the four brackets 101 are fixedly connected to the bottom end surface of the workbench 1 in a circular array, the four brackets 101 are all frame structures, and the inside of the workbench 1 is also fixedly connected to a bracket 102, the main body of the bracket 102 is a cross-shaped structure, and the length of the transverse member in the bracket 102 is greater than the length of the workbench 1, and extends outward from the workbench 1, and the inside of the bracket 102 is also provided with a left and right two-way closed A horizontal groove is provided, and a side plate 2 is fixedly connected to the bottom end surface of the bracket 102, and the side plate 2 and the bottom end surface of the bracket 102 are vertically arranged, and a first driver 201 is assembled on the left side of the side plate 2 by bolts, and an air supply pump 401 is fixedly connected to the front end surface of the stand 4, and the air supply pump 401 is used to draw air from the outside and supply air to the inside of the airbag 402, and a through hole is opened inside the stand 4, and an annular airbag 402 is embedded in the through hole, and the airbag 402 is connected to the air supply pump 401 through a hose, and the airbag 402 is internally clamped and limited with a workpiece 403, and the workpiece 403 is a shaft sleeve.

[0024] An output shaft is arranged on the right side of the first driver 201, and a bevel gear A202 is installed on the output shaft. The first driver 201 and the bevel gear A202 together form a driving structure, and a through hole is opened at the center of the bracket 102, and a bearing seat is installed inside the through hole, and a rotating shaft 203 is installed through the bearing seat. The upper and lower ends of the rotating shaft 203 extend out of the main body of the bracket 102, and the bottom end of the rotating shaft 203 is interference-fitted with a bevel gear B204, and the bevel gear B204 is arranged on the first driver 2 The bevel gear A202 on the right side of 01 is a meshing transmission and together constitutes a transmission structure. The upper part of the bracket 102 extending from the rotating shaft 203 is fixedly connected with a table plate 205. The main body of the table plate 205 is a circular structure, and a cylinder 3 is installed inside the transverse groove opened in the bracket 102. There are two cylinders 3 in total, and the two cylinders 3 are symmetrically installed in the transverse groove opened in the bracket 102. A movable frame 301 is installed on the output end of the two cylinders 3, and the movable frame 301 is located in the transverse groove opened in the bracket 102.

[0025] Among them, a slider 302 is fixedly connected to the outer side of the movable frame 301, and the slider 302 is symmetrically fixedly connected to the outer side of the movable frame 301, and a crossbeam 303 is fixedly connected to the top surface of the movable frame 301, the crossbeam 303 and the movable frame 301 are vertically arranged, and a connecting plate 304 is fixedly connected to one side of the crossbeam 303 close to the table 205, wherein every two longitudinally adjacent connecting plates 304 form a group, and the two groups of connecting plates 304 are fixedly connected to one end surface of the crossbeam 303 in a linear array, and a second driver 305 is also arranged on the outer side of the connecting plate 304, and an output shaft is arranged on the side of the second driver 305 close to the connecting plate 304, and a chamfering component 306 is installed on the output shaft, the chamfering component 306 is a conical structure, and the chamfering component 306 and the second driver 305 together constitute a chamfering structure, and a vertical frame 4 is fixedly connected to the top surface of the table 205, and the vertical frame 4 and the table 205 are vertically arranged.

[0026] When in use, when the workpiece 403 (i.e., the shaft sleeve) needs to be chamfered, the workpiece 403 can be passed through the through hole provided in the stand 4, and the air supply pump 401 installed on the outside of the stand 4 is started to supply air to the inside of the air bag 402 provided in the stand 4, and the workpiece 403 can be clamped and limited by the expansion of the air bag 402. After the clamping is completed, the chamfering assembly 306 of suitable specifications can be assembled to the output shaft of the second driver 305 provided on the outside of the connecting plate 304 according to the different specifications of the chamfer, and the second driver 305 can be started synchronously to drive the chamfering assembly 306 to rotate.

[0027] And when the chamfering component 306 rotates, the two cylinders 3 installed in the bracket 102 can be started synchronously to drive the two movable frames 301 toward the inside, and when the two movable frames 301 move inward, the chamfering component 306 set in the connecting plate 304 can be in contact with the workpiece 403 set in the airbag 402. Since spherical balls are provided on the inner wall of the airbag 402, after the airbag 402 clamps the workpiece 403 to a limit, the workpiece 403 can still rotate. At this time, the chamfering operation can be quickly performed on it by utilizing the contact between the chamfering component 306 and the workpiece 403.

[0028] In the description of the present utility model, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are 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 therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A double-sided chamfered sleeve forming device, characterized in that: The invention comprises a workbench (1), wherein a bracket (101) is fixedly connected to the bottom end surface of the workbench (1), the bracket (101) is provided at four locations, and the four brackets (101) are fixedly connected to the bottom end surface of the workbench (1) in a circular array, the four brackets (101) are all frame structures, and a bracket (102) is also fixedly connected to the inside of the workbench (1), the main body of the bracket (102) is a cross-shaped structure, and the length of the transverse member in the bracket (102) is greater than the length of the workbench (1) and extends outward from the workbench (1), and the inside of the bracket (102) is also provided with a transverse groove closed in both directions on the left and right sides, and a side plate (2) is fixedly connected to the bottom end surface of the bracket (102), the side plate (2) and the bottom end surface of the bracket (102) are vertically arranged, and the left side of the side plate (2) is assembled with a first driver (201) by bolts; An output shaft is arranged on the right side of the first driver (201), and a bevel gear A (202) is installed on the output shaft. The first driver (201) and the bevel gear A (202) together form a driving structure. A through hole is opened at the center of the bracket (102), and a bearing seat is installed inside the through hole. A rotating shaft (203) is installed through the bearing seat. The upper end and the lower end of the rotating shaft (203) both extend out of the main body of the bracket (102), and a bevel gear B (204) is interference-fitted at the bottom end of the rotating shaft (203). The bevel gear B (204) and the bevel gear A (202) arranged on the right side of the first driver (201) are meshed and driven, and together form a transmission structure. The upper part of the rotating shaft (203) extending out of the bracket (102) is fixedly connected with a table plate (205), the main body of the table plate (205) is a circular structure, and a cylinder (3) is installed inside the transverse groove opened in the bracket (102), the cylinder (3) is provided at two locations, and the two cylinders (3) are symmetrically installed in the transverse groove opened in the bracket (102), and the output ends of the two cylinders (3) are both installed with a movable frame (301), and the movable frame (301) is located in the transverse groove opened in the bracket (102); The outer side of the movable frame (301) is fixedly connected with a slider (302), the slider (302) is symmetrically fixedly connected to the outer side of the movable frame (301), and the top surface of the movable frame (301) is fixedly connected with a crossbeam (303), the crossbeam (303) and the movable frame (301) are arranged vertically, and a connecting plate (304) is fixedly connected to one side of the crossbeam (303) close to the table (205), wherein every two longitudinally adjacent connecting plates (304) form a group, and the two groups of connecting plates (304) are fixedly connected to one end surface of the crossbeam (303) in a linear array, and a second driver (305) is also arranged on the outer side of the connecting plate (304); An output shaft is arranged on one side of the second driver (305) close to the connecting plate (304), and a chamfering assembly (306) is installed on the output shaft. The chamfering assembly (306) is a conical structure, and the chamfering assembly (306) and the second driver (305) together form a chamfering structure. A stand (4) is fixedly connected to the top surface of the table (205), and the stand (4) and the table (205) are arranged vertically. An air supply pump (401) is fixedly connected to the front end surface of the stand (4), and the air supply pump (401) is used to draw air from the outside and supply air to the inside of the airbag (402). A through hole is opened inside the stand (4), and an annular airbag (402) is embedded in the through hole. The airbag (402) is connected to the air supply pump (401) through a hose, and a workpiece (403) is clamped and limited inside the airbag (402), and the workpiece (403) is a shaft sleeve.

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