CN216126572U

CN216126572U - Chamfer cutter for deburring thrust surface bearing cap of cylinder body

Info

Publication number: CN216126572U
Application number: CN202121624226.0U
Authority: CN
Inventors: 薛飞; 王鸣; 李春雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-03-25
Anticipated expiration: 2031-07-16

Abstract

The utility model provides a chamfering tool for deburring a bearing cover of a thrust surface of a cylinder body, and relates to the technical field of chamfering tools. According to the utility model, the tool holder is placed in the boring tool bar, the positioning block on the tool holder is additionally provided with the blade after the tool holder is fixed, the blade is fixed by the bolt until the bolt cannot rotate, the other tool holder is additionally arranged in the boring tool bar, the other blade is fixed by the bolt, the tool can be used after the fixing is finished, and the two blades are additionally arranged on the boring tool bar, so that the device can improve the cleanness of burrs when in use, the processing and production effects of products are improved, and the practicability of the device is further improved.

Description

Chamfer cutter for deburring thrust surface bearing cap of cylinder body

Technical Field

The utility model relates to the technical field of a chamfer cutter, in particular to a chamfer cutter for deburring a thrust surface bearing cap of a cylinder body.

Background

The thrust surface of the cylinder block is an axial positioning reference surface for mounting the crankshaft in the cylinder block. Determines the position and axial clearance of the crankshaft in the cylinder block. The thrust surface is an important dimension on the cylinder block. The existing machining process of the thrust surface of the cylinder body adopts a machining process of 'rough boring, broaching and machining a cylinder body bearing, drilling and tapping a bearing cover connecting threaded hole, installing a bearing cover, semi-fine boring and fine boring'. However, the end face of the bearing cap is not chamfered after boring. Along with the passivation of the cutter in the machining process, the extrusion effect in the cutting process is increased, and burrs are generated on the thrust surface and the edge of the crankshaft hole.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, two blades are additionally arranged on the boring cutter bar on the device in use, the working efficiency of the device for removing burrs by using a chamfering cutter is improved, and the magnet block with the detachable characteristic is additionally arranged on the boring cutter bar, so that the burrs are adsorbed by the magnet block, the difficulty in cleaning the burrs is reduced, and the practicability of the device is further improved.

In order to achieve the purpose, the utility model adopts the following technical scheme: a chamfering tool for deburring a bearing cover of a thrust surface of a cylinder body comprises a boring tool bar, wherein the top of the boring tool bar is movably connected with a tool holder, the top of the tool holder is fixedly connected with a positioning block, the front surface of the positioning block is fixedly connected with a blade, the front surface of the blade is in threaded connection with a bolt, the inside of the boring tool bar is fixedly connected with a first fixed block, one side of the boring tool bar, which is close to the first fixed block, is fixedly connected with a second fixed block, the bottom of the boring tool bar is movably connected with a magnet block, the bottom of the magnet block is fixedly connected with a fixed plate, one side of the boring tool bar, which is close to the fixed plate, is fixedly connected with a third fixed block, the bottom of the boring tool bar is fixedly connected with a connecting plate, an extension spring is welded in the connecting plate, a limiting plate is welded at the bottom end of the extension spring, and a connecting rod is fixedly connected with the limiting plate, which is far away from one side of the extension spring, the one end that the limiting plate was kept away from to the connecting rod is rotated through the bearing and is connected with the baffle, one side fixedly connected with who keeps away from the connecting rod of baffle draws the button.

Preferably, the top of the boring cutter rod is provided with a placing groove matched with the cutter holder, and the bottom of the first fixing block and the bottom of the second fixing block are fixedly connected to the bottom surface of the inner wall of the placing groove.

Preferably, the bottom surfaces of the tool holders are provided with insertion holes matched with the first fixing block and the second fixing block.

Preferably, the bolt is threaded through both the face surface of the blade and the face surface of the locating block.

Preferably, the connecting plate is internally provided with a limiting groove matched with the limiting plate, and one end of the connecting rod, which is far away from the limiting plate, penetrates through the bottom surface of the inner wall of the limiting groove in a sliding manner.

Preferably, the top of the fixing plate is provided with through grooves matched with the third fixing block and the baffle, and the top of the baffle is contacted with the bottom of the fixing plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the tool holder is placed in the boring tool bar, the positioning block on the tool holder is additionally provided with the blade after the tool holder is fixed, the blade is fixed by the bolt until the bolt cannot rotate, the other tool holder is additionally arranged in the boring tool bar, the other blade is fixed by the bolt, the tool can be used after the fixing is finished, and the two blades are additionally arranged on the boring tool bar, so that the device can improve the cleanness of burrs when in use, the processing and production effects of products are improved, and the practicability of the device is further improved.

2. According to the utility model, more burrs can be adsorbed on the magnet block inside the boring cutter bar, the burr needs to be cleaned, the pull button is pulled to move and rotate, the pull button is loosened when the baffle rotates to the corresponding through groove on the fixed plate, the baffle is not in contact with the fixed plate any more, the fixed plate is taken down to separate the magnet block from the boring cutter bar and clean the magnet block, the magnet block with the detachable characteristic is additionally arranged on the boring cutter bar, the phenomenon that the adsorption of the magnet block to the burrs is reduced after the device is used for a long time is avoided, and the adsorption cleaning effect of the device to the burrs is improved when the device is used.

Drawings

FIG. 1 is a perspective view of a chamfer cutter for deburring a thrust surface bearing cap of a cylinder body according to the present invention;

FIG. 2 is a perspective view of a boring cutter bar of a chamfer cutter for deburring a thrust surface bearing cap of a cylinder body according to the present invention;

fig. 3 is a cross-sectional perspective view of a boring cutter bar of the chamfer cutter for deburring the thrust surface bearing cap of the cylinder body.

FIG. 4 is an assembly drawing of the chamfer cutter for deburring the thrust surface bearing cap of the cylinder body arranged on the boring cutter rod.

FIG. 5 is a diagram showing the relative positions of the tool and the cylinder during machining of the right chamfer of the thrust surface of the cylinder.

FIG. 6 is a partial enlarged view of a cutting point at the time of machining a right chamfer of a thrust surface of a cylinder block.

FIG. 7 is a diagram showing the relative positions of the tool and the cylinder when the left chamfer of the thrust surface of the cylinder is machined.

FIG. 8 is a partially enlarged view of a cutting point at the time of machining a left-side chamfer of a thrust surface of a cylinder block.

Illustration of the drawings:

1. boring a cutter bar; 2. a tool holder; 3. positioning blocks; 4. a blade; 5. a bolt; 6. a first fixed block; 7. a second fixed block; 8. a magnet block; 9. a fixing plate; 10. a third fixed block; 11. A connecting plate; 12. a tension spring; 13. a limiting plate; 14. a connecting rod; 15. a baffle plate; 16. and (6) pulling the button.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 8, the utility model provides a chamfering tool for deburring a bearing cover of a thrust surface of a cylinder body, which includes a boring tool bar 1, the boring tool bar 1 is arranged on the cylinder body, the top of the boring tool bar 1 is movably connected with a tool holder 2, the bottom surface of the tool holder 2 starts to be provided with insertion holes matched with a first fixing block 6 and a second fixing block 7, the top of the tool holder 2 is fixedly connected with a positioning block 3, the front surface of the positioning block 3 is fixedly connected with a blade 4, the front surface of the blade 4 is in threaded connection with a bolt 5, the bolt 5 is in threaded connection with the front surface of the blade 4 and the front surface of the positioning block 3, the inside of the boring tool bar 1 is fixedly connected with the first fixing block 6, one side of the boring tool bar 1 close to the first fixing block 6 is fixedly connected with the second fixing block 7, the top of the boring tool bar 1 is provided with a placement groove matched with the tool holder 2, and the bottom of the first fixing block 6 and the bottom of the second fixing block 7 are fixedly connected with the bottom surface of the placement groove inner wall.

The effect that its whole embodiment 1 reaches does, when the installation, at first place cutter holder 2 to the inside of boring cutter arbor 1, the jack on the cutter holder 2 overlaps the surface of first fixed block 6 and second fixed block 7 on the boring cutter arbor 1 respectively, fixed locating piece 3 on the cutter holder 2 is installed additional to fixed completion cutter holder 2 back adds installs blade 4, make blade 4 corresponding with the position of locating piece 3, and utilize bolt 5 to fix, until bolt 5 can not rotate, install another cutter holder 2 additional to the inside of boring cutter arbor 1 after that, and utilize bolt 5 to install another fixed blade 4 additional on another cutter holder 2, fix boring cutter arbor 1 on the cylinder body, alright use after fixed the completion.

Example 2, as shown in fig. 2-3, a magnet block 8 is movably connected to the bottom of a boring bar 1, a fixing plate 9 is fixedly connected to the bottom of the magnet block 8, through grooves matched with a third fixing block 10 and a baffle 15 are formed in the top of the fixing plate 9, the top of the baffle 15 is in contact with the bottom of the fixing plate 9, the third fixing block 10 is fixedly connected to one side of the boring bar 1 close to the fixing plate 9, a connecting plate 11 is fixedly connected to the bottom of the boring bar 1, a limiting groove matched with the limiting plate 13 is formed in the connecting plate 11, one end of the connecting rod 14 far away from the limiting plate 13 slides through the bottom surface of the inner wall of the limiting groove, a tension spring 12 is welded inside the connecting plate 11, the limiting plate 13 is welded at the bottom end of the tension spring 12, a connecting rod 14 is fixedly connected to one side of the limiting plate 13 far away from the tension spring 12, one end of the connecting rod 14 far away from the limiting plate 13 is rotatably connected to the baffle 15 through a bearing, a pull button 16 is fixedly connected to one side of the baffle 15 far away from the connecting rod 14.

The effect that its whole embodiment 2 reaches does, the cutter on the boring cutter arbor 1 lasts the burr on the clearance cylinder body, after long-term the use, just can adsorb more burr on the inside magnet piece 8 of boring cutter arbor 1, then need clear up it, the button 16 that draws of pulling boring cutter arbor 1 bottom removes and rotates, drive baffle 15 and rotate, loosen the button 16 when baffle 15 rotates the corresponding trough on the fixed plate 9, the inside extension spring 12 of connecting plate 11 just no longer receives the influence shape of external effort and recovers, the pulling baffle 15 removes to connecting plate 11, baffle 15 no longer contacts with fixed plate 9, it can to take off fixed plate 9 makes magnet piece 8 and boring cutter arbor 1 separation and clear up magnet piece 8.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides a chamfer sword of deburring of cylinder body thrust surface bearing cap, includes boring cutter pole (1), its characterized in that: the top of the boring cutter bar (1) is movably connected with a cutter holder (2), the top of the cutter holder (2) is fixedly connected with a positioning block (3), the front surface of the positioning block (3) is fixedly connected with a blade (4), the front surface of the blade (4) is in threaded connection with a bolt (5), the inside of the boring cutter bar (1) is fixedly connected with a first fixed block (6), one side of the boring cutter bar (1) close to the first fixed block (6) is fixedly connected with a second fixed block (7), the bottom of the boring cutter bar (1) is movably connected with a magnet block (8), the bottom of the magnet block (8) is fixedly connected with a fixed plate (9), one side of the boring cutter bar (1) close to the fixed plate (9) is fixedly connected with a third fixed block (10), the bottom of the boring cutter bar (1) is fixedly connected with a connecting plate (11), and the inside of the connecting plate (11) is welded with a tension spring (12), the welding of the bottom of extension spring (12) has limiting plate (13), one side fixedly connected with connecting rod (14) of extension spring (12) are kept away from limiting plate (13), the one end that limiting plate (13) were kept away from in connecting rod (14) is rotated through the bearing and is connected with baffle (15), one side fixedly connected with that connecting rod (14) were kept away from in baffle (15) draws button (16).

2. The chamfer cutter for deburring of the thrust surface bearing cap of the cylinder block as claimed in claim 1, wherein: the top of the boring cutter rod (1) is provided with a placing groove matched with the cutter holder (2), and the bottom of the first fixing block (6) and the bottom of the second fixing block (7) are fixedly connected to the bottom surface of the inner wall of the placing groove.

3. The chamfer cutter for deburring of the thrust surface bearing cap of the cylinder block as claimed in claim 1, wherein: the bottom surfaces of the tool holders (2) are provided with jacks matched with the first fixing block (6) and the second fixing block (7).

4. The chamfer cutter for deburring of the thrust surface bearing cap of the cylinder block as claimed in claim 1, wherein: and the bolts (5) penetrate through the front surface of the blade (4) and the front surface of the positioning block (3) in a threaded manner.

5. The chamfer cutter for deburring of the thrust surface bearing cap of the cylinder block as claimed in claim 1, wherein: the limiting groove matched with the limiting plate (13) is formed in the connecting plate (11), and one end, far away from the limiting plate (13), of the connecting rod (14) penetrates through the bottom surface of the inner wall of the limiting groove in a sliding mode.

6. The chamfer cutter for deburring of the thrust surface bearing cap of the cylinder block as claimed in claim 1, wherein: the top of the fixing plate (9) is provided with through grooves matched with the third fixing block (10) and the baffle (15), and the top of the baffle (15) is contacted with the bottom of the fixing plate (9).