Special clamp for relief grinding of relief angle of rose reamer on cylindrical grinding machine

Abstract

The utility model relates to the technical field of special fixtures, in particular to a special fixture for relief grinding of a relief angle of a rose reamer on a cylindrical grinding machine, which comprises a mounting frame, the mounting frame is of a hollow frame structure without a surface at the front end, a positioning disc is fixed on the inner side of the mounting frame, a positioning cylinder is fixed at the front end of the positioning disc, and the rose reamer is arranged in the positioning cylinder. Side fixing supports are arranged on the outer sides of the two ends of the positioning disc and comprise buckle plates and locking bolts arranged on the buckle plates, inner grooves are formed in the middles of the buckle plates, the locking bolts penetrate through the inner grooves to be fixedly connected with the mounting frame, and the positions of the locking bolts in the inner grooves can be adjusted through the locking bolt structures with springs in the inner grooves. A front fixing support structure is arranged at the front end of the positioning barrel, the effect of supporting the front end of the positioning barrel can be achieved through a combined structure of a bottom frame and a top frame, limiting is conducted through a V-shaped groove structure, and the effect of supporting the positioning barrel and the chamfering tool is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to special fixture technical field, concretely relates to special fixture of shovel grinding chamfer tool rear angle on cylindrical grinding machine. BACKGROUND

[0002] The chamfer tool is assembled on milling machine, drilling machine, planer, chamfering machine and other machine tools for processing 60-degree or 90-degree chamfer and taper hole of the chamfer tool, and the tool is a vertical milling cutter. The chamfer tool is also called chamfering device. The chamfer tool has wide application range, is suitable for chamfering of ordinary mechanical chamfer tool, and is more suitable for chamfering and deburring of precise difficult chamfer parts. For example, aviation, military industry, oil, gas and electric valve of automobile industry, engine cylinder body, cylindrical body, spherical through hole and inner wall hole.

[0003] The shovel grinding chamfer tool rear angle can make the tool grinding simple and easy (only the front angle needs to be ground), the grinding frequency is high, and the geometric angle and cutting performance of the tool are not changed after grinding, so the rear angle of the tool that needs to be ground is usually required to be processed by the shovel grinding mode during design. In the prior art, the machining of the chamfer has a numerical control machine tool machining mode and a traditional machining mode. The numerical control machine tool chamfer has high cost, and different chamfers may need multiple programming, which has great limitation. The traditional chamfering mode is to use a chamfer tool, place the workpiece to be machined on a machining table, manually control the rotating chamfer tool to move from top to bottom, and observe the size of the chamfer tool downward by naked eye to realize chamfering. However, this mode has the following problems: when batch machining, the axial movement of the chamfer tool is manually controlled, no accurate positioning is performed, the size of the chamfer is large or small, and accurate and unified chamfering cannot be achieved. CONTENT OF THE UTILITY MODEL

[0004] In view of the above-mentioned defects in the prior art, the utility model provides a special fixture for shovel grinding chamfer tool rear angle on cylindrical grinding machine, which can effectively solve the problem that the axial movement of the chamfer tool is manually controlled in the prior art, no accurate positioning is performed, the size of the chamfer is large or small, and accurate and unified chamfering cannot be achieved.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme:

[0006] The utility model provides a special fixture of post corner chamfering tool after the post corner grinding tool on the external cylindrical grinding machine, including installation frame, the installation frame is the hollow frame structure of no front end surface, the inboard of installation frame is fixed with the positioning disc, the front end of positioning disc is fixed with the positioning cylinder, be provided with chamfering tool in the positioning cylinder, the both ends outside of positioning disc is provided with side fixed support, the side fixed support includes the buckle plate and the locking bolt of setting on the buckle plate, the middle part of buckle plate is equipped with the inner groove, the locking bolt passes through the inner groove and is fixedly connected with the installation frame, the front end inboard wall of installation frame is provided with front fixed support, the front fixed support includes the chassis, the roof of setting on the chassis and the positioning bolt for the chassis, one end of chamfering tool passes through the installation frame and is transmission connection with the external power assembly.

[0007] Further, the positioning disc and the positioning cylinder are connected and fixed through the flange.

[0008] Further, the middle part of the locking bolt is provided with a spring, and the end of the locking bolt is provided with a locking nut.

[0009] Further, the middle part of the locking bolt is provided with a spring, and the end of the locking bolt is provided with a locking nut.

[0010] Further, the other end of the buckle plate is fixedly connected with the side wall of the installation frame through the locking bolt without spring.

[0011] Further, the side fixed support is oppositely provided with two groups on the positioning disc.

[0012] The technical scheme provided by the utility model has the following beneficial effects compared with the known prior art:

[0013] The utility model discloses a installation frame-positioning disc-positioning cylinder structure is set up, and chamfering tool is fixed and is positioned, and one end of chamfering tool can be transmission fixed with the power equipment of external connection, and the side fixed support structure that is provided with on the outside of positioning disc can be used for the limiting positioning disc structure, and the buckle plate structure can be fixedly connected with the installation frame through the locking bolt, then can be adjusted the position in the inner groove through the locking bolt structure with spring in the inner groove, and the front fixed support structure that is provided with on the front end of positioning cylinder can pass through the combination structure of chassis and roof and support the effect of the front end of positioning cylinder, and through the V type groove body structure, limiting, support the effect of positioning cylinder and chamfering tool. ACCURACY OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0015] Figure 1 The structure schematic diagram of the present application;

[0016] Figure 2 The structure schematic diagram of the mounting frame and the chamfering tool of the present application;

[0017] Figure 3 The structure exploded view of the positioning cylinder and the mounting frame in the present application;

[0018] Figure 4 The structure exploded view of the front fixed support in the present application;

[0019] Figure 5 The structure schematic diagram of the present application; Figure 4 The structure schematic diagram of the present application;

[0020] Explanation of the reference signs:

[0021] 1, mounting frame; 2, positioning disc; 3, chamfering tool; 4, front fixed support; 41, bottom frame; 42, top frame; 43, positioning bolt; 5, side fixed support; 51, buckle plate; 511, inner groove; 52, locking bolt; 53, spring; 6, positioning cylinder. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0023] The special fixture for shoveling the back angle of the chamfering tool on the external grinding machine, referring to the attached Figure 1 -attached Figure 5, including installation frame 1, the installation frame 1 is the hollow frame structure of the front end without surface, the inner side of the installation frame 1 is fixed with the positioning disc 2, the front end of the positioning disc 2 is fixed with the positioning cylinder 6, the positioning cylinder 6 is provided with the chamfering tool 3, the both ends of the outer side of the positioning disc 2 are provided with side fixed support 5, the side fixed support 5 includes buckle plate 51 and locking bolt 52 arranged on the buckle plate 51, the middle part of the buckle plate 51 is provided with inner groove 511, the locking bolt 52 is fixedly connected with the installation frame 1 through the inner groove 511, the front end inner side wall of the installation frame 1 is provided with front fixed support 4, the front fixed support 4 includes base 41, top frame 42 arranged on the base 41 and positioning bolt 43 for the base 41, one end of the chamfering tool 3 is fixedly connected with the external power assembly through the installation frame 1;

[0024] The positioning disc 2 and the positioning cylinder 6 are connected and fixed through flanges.

[0025] The middle part of the locking bolt 52 is provided with spring 53, and the end of the locking bolt 52 is sleeved with a locking nut, and the inner groove 511 is a long strip-shaped circular slot structure; The middle part of the top frame 42 is provided with a V-shaped groove, and the front end of the positioning cylinder 6 is arranged in the V-shaped groove, and the both sides of the base 41 are fixedly connected with the installation frame 1 through the positioning bolt 43; The other end of the buckle plate 51 is fixedly connected with the side wall of the installation frame 1 through the locking bolt 52 without spring 53; The side fixed support 5 is oppositely arranged with two groups on the positioning disc 2; The chamfering tool 3 is fixed and limited through the installation frame 1-positioning disc 2-positioning cylinder 6 structure, and one end of the chamfering tool 3 can be fixedly connected with the external power equipment, the side fixed support 5 structure arranged on the outer side of the positioning disc 2 can be used for limiting the positioning disc 2 structure, wherein the buckle plate 51 structure can be fixedly connected with the installation frame 1 through the locking bolt 52, then the position of the locking bolt 52 structure with spring 53 in the inner groove 511 can be adjusted, and the front fixed support 4 structure arranged on the front end of the positioning cylinder 6 can play the effect of supporting the front end of the positioning cylinder 6 through the combined structure of the base 41 and the top frame 42, and the effect of supporting the positioning cylinder 6 and the chamfering tool 3 is played through the V-shaped groove structure.

[0026] The above examples are only used to illustrate the technical scheme of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical scheme recorded in the foregoing examples can be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical scheme deviate from the protection scope of the technical scheme of each embodiment of the present application.

Claims

1. A special fixture for clamping the tool corner of a chamfering tool after the corner is ground on a cylindrical grinder, characterized in that, The application relates to a positioning device, which comprises a mounting frame (1), wherein the mounting frame (1) is a hollow frame structure without a front end, the inner side of the mounting frame (1) is fixed with a positioning disc (2), the front end of the positioning disc (2) is fixed with a positioning cylinder (6), the positioning cylinder (6) is provided with a chamfering cutter (3), the outer side of both ends of the positioning disc (2) is provided with a side fixing support (5), the side fixing support (5) comprises a buckle plate (51) and locking bolts (52) arranged on the buckle plate (51), a inner groove (511) is formed in the middle of the buckle plate (51), the locking bolts (52) penetrate through the inner groove (511) and are fixedly connected with the mounting frame (1), a front fixing support (4) is arranged on the inner side wall of the front end of the mounting frame (1), the front fixing support (4) comprises a bottom frame (41), a top frame (42) arranged on the bottom frame (41) and positioning bolts (43) for the bottom frame (41), one end of the chamfering cutter (3) penetrates through the mounting frame (1) and is drivingly connected with an external power assembly.

2. The special fixture for chamfering the relief angle of a chamfering tool on a cylindrical grinder as claimed in claim 1, characterized in that, The positioning disc (2) and the positioning cylinder (6) are fixedly connected through flanges.

3. The special fixture for chamfering the relief angle of a chamfering tool on a cylindrical grinder as claimed in claim 1, wherein, The middle part of the locking bolt (52) is provided with a spring (53), and the end of the locking bolt (52) is sleeved with a locking nut, the inner groove (511) is a long strip-shaped circular slot structure.

4. The special fixture for chamfering the relief angle of a chamfering tool on a cylindrical grinder as claimed in claim 1, wherein, A V-shaped groove is formed in the middle of the top frame (42), the front end of the positioning cylinder (6) is arranged in the V-shaped groove, and the two sides of the bottom frame (41) are fixedly connected with the mounting frame (1) through the positioning bolts (43).

5. The special fixture for chamfering the relief angle of a chamfering tool on a cylindrical grinder as claimed in claim 4, wherein, The other end of the buckle plate (51) is fixedly connected with the side wall of the mounting frame (1) through the locking bolt (52) without the spring (53).

6. The special fixture for chamfering the relief angle of a back gouging tool on a cylindrical grinder as claimed in claim 1, wherein, The side fixing supports (5) are oppositely arranged in two groups on the positioning disc (2).

Images