Inner hole chamfering device

Abstract

The utility model relates to the technical field of machining, in particular to an inner hole chamfering device which comprises a supporting mechanism used for movably supporting box type parts, and a chamfering mechanism used for adaptively adjusting end face holes of the box type parts is arranged on the supporting mechanism. Through the arrangement of the lifting assembly and the chamfering assembly of the chamfering mechanism, the left spiral lead screw and the right spiral lead screw rotate to push the adjusting bases to move relatively, the requirements of different hole diameters can be met conveniently, then an adjusting nut on an adjusting cylinder is rotated according to the needed chamfering amount, and the length, extending out of the adjusting cylinder, of an adjusting screw rod is adjusted; the included angle between the chamfering tool and the adjusting seat is changed, then the motor works to drive the supporting frame to rotate integrally, the hydraulic telescopic column extends to push the mounting frame to move downwards integrally, the rotating chamfering tool conducts chamfering treatment on inner holes, the inner holes of different specifications in the end face of the box body can be adjusted and used conveniently, the use amount of tools is reduced, 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 inner hole chamfering device. Background Art

[0002] Chamfering refers to the process of cutting the edges and corners of a workpiece into a certain slope. Chamfering is to remove burrs on parts caused by machining, and to facilitate part assembly. Generally, chamfers are made at the ends of parts. When processing the inner chamfer of the cavity on the end face of the shell, due to the different sizes of the inner holes, chamfering needs to be performed one by one. The existing chamfering device needs to adjust the tool according to the specifications of the inner hole, which increases the inventory of tools and increases the cost of use. Utility Model Content

[0003] The purpose of the utility model is to provide an inner hole chamfering device in order to solve the above problems.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] A device for chamfering an inner hole comprises a supporting mechanism for movably supporting box-type parts, the supporting mechanism being provided with a chamfering mechanism for adapting and adjusting the end surface holes of the box-type parts; the chamfering mechanism comprises a lifting assembly arranged on the supporting mechanism, the lower end of the lifting assembly is connected to a power member, and the lower end of the power member is connected to the chamfering assembly; the chamfering assembly comprises a supporting frame, the lower end of the supporting frame is provided with a groove, the supporting frame is provided with left and right spiral screws, the left and right spiral screws are connected to two adjustment seats, the lower end of the adjustment seat is provided with a chamfering knife, and the adjustment seat and the side wall of the chamfering knife are provided with adjustment assemblies.

[0006] Further configuration: the adjustment assembly includes an adjustment cylinder rotatably connected to the adjustment seat, the adjustment cylinder is connected to an adjustment screw, an adjustment nut is rotatably provided at the end of the adjustment cylinder, the adjustment nut is threadedly connected to the adjustment screw, and the other end of the adjustment screw is connected to the chamfering cutter pin.

[0007] It is further configured that the left and right spiral screws are threadedly connected to the adjustment seat, and the left and right spiral screws are rotatably connected to the support frame.

[0008] It is further configured that the lifting assembly includes a vertically arranged hydraulic telescopic column, a guide column is arranged on one side of the hydraulic telescopic column, and a mounting frame is fixed to the lower ends of the hydraulic telescopic column and the guide column.

[0009] It is further configured that: rotating caps are respectively provided at both ends of the left and right spiral screws, and the output end of the power member is located in the middle position of the support frame.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] Through the setting of the lifting component and the chamfering component of the chamfering mechanism, the left and right spiral screws are rotated to promote the relative movement between the adjustment seats, so as to adapt to the needs of different apertures. Then, according to the required chamfering amount, the adjusting nut on the adjusting cylinder is rotated to adjust the length of the adjusting screw extending out of the adjusting cylinder, thereby changing the angle between the chamfering knife and the adjustment seat, and then the motor is driven to rotate the supporting frame as a whole, the hydraulic telescopic column is extended to push the installation frame downward as a whole, and the rotating chamfering knife chamfers the inner hole, which is convenient for adjusting and using inner holes of different specifications on the end face of the box body, saving the use of cutting tools and reducing the use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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.

[0013] Figure 1 It is an axonometric view of an inner hole chamfering device described in the utility model;

[0014] Figure 2 It is a structural schematic diagram of another viewing angle of an inner hole chamfering device of the utility model;

[0015] Figure 3 It is a structural schematic diagram of a chamfering mechanism of an inner hole chamfering device described in the utility model;

[0016] Figure 4 It is a structural schematic diagram of a chamfering mechanism of an inner hole chamfering device described in the utility model in an exploded state.

[0017] The following are the descriptions of the reference numerals:

[0018] 1. Support mechanism; 11. Support box; 12. Moving platform; 13. Beam frame; 2. Chamfering mechanism; 21. Lifting assembly; 211. Hydraulic telescopic column; 212. Guide column; 213. Mounting frame; 22. Motor; 23. Chamfering assembly; 231. Support frame; 232. Left and right spiral screws; 233. Adjustment seat; 234. Chamfering knife; 235. Adjustment cylinder; 236. Adjustment screw. DETAILED DESCRIPTION

[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions 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 addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] like Figure 1-Figure 4 As shown, an inner hole chamfering device comprises a support mechanism 1 for movably supporting a box-like part, and a chamfering mechanism 2 for adaptively adjusting the end hole of the box-like part is arranged on the support mechanism 1;

[0023] In the present embodiment: the support mechanism 1 comprises a support box 11, and a moving platform 12 is connected to the support box 11 via a transverse moving component and a longitudinal moving component. A fixing groove is provided on the moving platform 12, and a beam frame 13 is provided on the support box 11. The transverse moving component and the longitudinal moving component are motors arranged vertically in an interlaced manner to drive the lead screw to rotate and push the moving platform 12 to move transversely and longitudinally. This is common knowledge for those skilled in the art and will not be elaborated on herein.

[0024] In this embodiment: the chamfering mechanism 2 includes a lifting assembly 21 arranged on the supporting mechanism 1, the lifting assembly 21 includes a vertically arranged hydraulic telescopic column 211, a guide column 212 is arranged on one side of the hydraulic telescopic column 211, and a mounting frame 213 is fixed to the lower ends of the hydraulic telescopic column 211 and the guide column 212; the lower end of the mounting frame 213 is connected to the motor 22, and the lower end of the motor 22 is connected to the chamfering assembly 23; the chamfering assembly 23 includes a supporting frame 231, and the lower end of the supporting frame 231 is provided with a groove, and the supporting frame 231 is penetrated by left and right spiral screws 232, and two adjustment seats 233 are connected to the left and right spiral screws 232, and a chamfering knife 234 is arranged at the lower end of the adjusting seat 233, and an adjustment assembly is arranged on the side walls of the adjusting seat 233 and the chamfering knife 234; the adjustment assembly includes an adjustment cylinder 235 rotatably connected to the adjusting seat 233, and the adjusting cylinder 235 is connected to an adjustment screw 236, and the end of the adjusting cylinder 235 is rotatably provided with an adjustment nut, The adjusting nut is threadedly connected with the adjusting screw 236, and the other end of the adjusting screw 236 is connected with the pin of the chamfering knife 234; the left and right spiral screws 232 are threadedly connected with the adjusting seat 233, and the left and right spiral screws 232 are rotatably connected with the support frame 231; the left and right spiral screws 232 are respectively provided with rotating caps at both ends, and the output end of the motor 22 is located in the middle position of the support frame 231. The left and right spiral screws 232 are rotated to make the left and right spiral screws 232 push the adjusting seat 233 to move relative to each other to meet the needs of different apertures. Then, according to the required chamfering amount, the adjusting nut on the adjusting cylinder 235 is rotated to adjust the length of the adjusting screw 236 extending out of the adjusting cylinder 235, thereby changing the angle between the chamfering knife 234 and the adjusting seat 233, and then the motor 22 is driven to drive the support frame 231 to rotate as a whole, the hydraulic telescopic column 211 is extended to push the mounting frame 213 downward as a whole, and the rotating chamfering knife 234 chamfers the inner hole.

[0025] The working principle and use process of the utility model are as follows: the end surface of the box-like parts are placed on the moving platform 12 with the hole facing upward, and the moving platform 12 is moved to the lower side of the chamfering mechanism 2, and the hydraulic telescopic column 211 of the lifting assembly 21 is extended to push the installation frame 213 as a whole to move downward under the limit of the guide column 212, and the left and right spiral screws 232 of the chamfering assembly 23 are rotated to make the left and right spiral screws 232 push the adjustment seat 233 to move relative to each other to meet the needs of different apertures. Then, the hydraulic telescopic column 211 is lifted upward, and the adjusting nut on the adjusting cylinder 235 is rotated according to the required chamfering amount, so that the adjusting screw 236 extends out of the adjusting cylinder 235 to adjust the length of the adjusting screw 236 to change the angle between the chamfering knife 234 and the adjusting seat 233, and then the motor 22 works to drive the support frame 231 to rotate as a whole, and the hydraulic telescopic column 211 is extended to push the installation frame 213 as a whole downward, so that the chamfering knife 234 chamfers the inner hole.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An inner hole chamfering device, comprising a support mechanism (1) for movably supporting a box-like part, characterized in that: The support mechanism (1) is provided with a chamfering mechanism (2) for adapting and adjusting the end surface of a box-type part; the chamfering mechanism (2) comprises a lifting assembly (21) arranged on the support mechanism (1); the lower end of the lifting assembly (21) is connected to a power member; the lower end of the power member is connected to a chamfering assembly (23); the chamfering assembly (23) comprises a support frame (231); the lower end of the support frame (231) is provided with a groove; the support frame (231) is provided with left and right spiral screws (232); the left and right spiral screws (232) are connected to two adjustment seats (233); the lower end of the adjustment seat (233) is provided with a chamfering knife (234); the adjustment seat (233) and the side wall of the chamfering knife (234) are provided with an adjustment assembly.

2. An inner hole chamfering device according to claim 1, characterized in that: The adjustment assembly comprises an adjustment cylinder (235) rotatably connected to the adjustment seat (233); an adjustment screw (236) is connected to the adjustment cylinder (235); an adjustment nut is rotatably provided at the end of the adjustment cylinder (235); the adjustment nut is threadedly connected to the adjustment screw (236); and the other end of the adjustment screw (236) is pin-connected to the chamfering cutter (234).

3. The inner hole chamfering device according to claim 1, characterized in that: The left and right spiral screws (232) are threadedly connected to the adjustment seat (233), and the left and right spiral screws (232) are rotationally connected to the support frame (231).

4. The inner hole chamfering device according to claim 1, characterized in that: The lifting assembly (21) comprises a vertically arranged hydraulic telescopic column (211), a guide column (212) being arranged on one side of the hydraulic telescopic column (211), and a mounting frame (213) being fixed at the lower ends of the hydraulic telescopic column (211) and the guide column (212).

5. The inner hole chamfering device according to claim 1, characterized in that: Rotating caps are respectively provided at both ends of the left and right spiral screws (232), and the output end of the power component is located in the middle of the support frame (231).

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