Sleeve boring cutter for machining outer circle of engine

Abstract

The sleeve boring cutter for machining the outer circle of the engine comprises a sleeve frame, an external connection block and an inclined sliding groove, the external connection block is installed on the inner wall of the sleeve frame, the inclined sliding groove is formed in the bottom end of the external connection block, a T-shaped positioning rod is arranged in the inclined sliding groove, a blade is arranged on the outer wall of the T-shaped positioning rod, and the blade is arranged on the outer wall of the T-shaped positioning rod. The outer wall of the T-shaped positioning rod is sleeved with a fixing lantern ring, a limiting mechanism used for avoiding thread slipping is arranged in the fixing lantern ring, the device has the function of fixing the position of the fixing lantern ring in the T-shaped positioning rod, a blade can be rapidly installed and fixed through the structure, and due to the fact that a bolt and a nut are adopted for fixing in the prior art, the blade cannot be damaged along with long-time shaking. According to the structure, on the basis of rapid installation, the situation of thread slipping is avoided, and the installation stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of boring cutters, in particular to a sleeve boring cutter for machining the outer circle of an engine. Background Art

[0002] Boring cutters are a type of boring tool, usually with round shanks, but also with square shanks for larger workpieces. The most common applications are boring internal hole processing, hole expansion, profiling, etc. A tool with one or two cutting parts, specifically used for roughing, semi-finishing or finishing existing holes. Boring cutters can be used on boring machines, lathes or milling machines.

[0003] In contrast, a rough boring tool for the outer circle of a cylinder hole of CN215941530U belongs to the technical field of boring tools. The rough boring tool for the outer circle of a cylinder hole comprises a blade and a boring tool fixing assembly. The boring tool fixing assembly comprises a cylinder, a motor spindle and a connecting piece. Notches are equidistantly provided on the side wall of the cylinder. A blade adjusting piece is connected to each of the notches. The number of the blade adjusting pieces is the same as the number of the blades. Each of the blades is respectively connected to the corresponding blade adjusting piece. The motor spindle is fixed to the cylinder through the connecting piece. In the present application, the connecting piece is used to facilitate the quick and stable installation of the cylinder and the motor spindle without the aid of external tools, thereby increasing the efficiency and convenience of the installation and disassembly of the boring tool. The blade adjusting piece is used to facilitate the fine adjustment of the installation position of the blade, so that the blade can be suitable for processing the outer circle of cylinder holes with different outer diameters, thereby improving the versatility.

[0004] However, the existing boring tool for machining the outer circle of the engine has the following problems during use: bolts and nuts are used to adjust the installation position of the blade, and bolts and nuts are used to fix it. With long-term shaking, it is easy to slip the thread, which in turn causes the blade to shift and fall off. Utility Model Content

[0005] The utility model aims to provide a boring tool for machining the outer circle of an engine, so as to solve the related problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sleeve boring tool for processing the outer circle of an engine, comprising a sleeve rack, an external block and an inclined slide groove, the inner wall of the sleeve rack is installed with an external block, and the bottom end of the external block is provided with an inclined slide groove, a T-shaped positioning rod is arranged inside the inclined slide groove, and a blade is arranged on the outer wall of the T-shaped positioning rod, a fixing ring is sleeved on the outer wall of the T-shaped positioning rod, and a limiting mechanism for avoiding thread slippage is arranged inside the fixing ring.

[0007] The technical solution provides a boring tool for machining the outer circle of an engine, wherein the outer wall of the T-shaped positioning rod is provided with a sealing gasket, and the sealing gasket is tightly fitted with the outer wall of the blade and the fixed collar respectively.

[0008] The technical solution provides a boring tool for machining the outer circle of an engine, wherein the limiting mechanism includes a movable slide rail and a pull rod, movable slide rails are installed on both sides of the inner wall of the fixed collar, and a pull rod is arranged inside the movable slide rail, and a sliding structure is formed between the pull rod and the movable slide rail.

[0009] The technical solution provides a boring tool for machining the outer circle of an engine, wherein the outer wall of the T-shaped positioning rod is provided with a plurality of grooves, and an insert block penetrating the grooves is installed at the bottom end of the pull rod.

[0010] The technical solution provides a sleeve boring tool for machining the outer circle of an engine, wherein the outer wall of the pull rod is sleeved with a spring, and the inner wall of the spring is connected to the inner wall of the fixed collar.

[0011] Compared with the prior art, the utility model provides a sleeve boring tool for machining the outer circle of an engine, which has the following beneficial effects:

[0012] 1. The utility model squeezes the sealing gasket position, aligns the position of the plug at the pull rod, loosens the pull rod, and drives the plug into the groove under the elastic force of the spring itself, thereby fixing the position of the fixing ring in the T-shaped positioning rod. This structure facilitates the rapid installation and fixation of the blade and improves the installation stability.

[0013] 2. The utility model uses a T-shaped positioning rod to penetrate the blade and slide up and down in the inclined slide groove, so that the position of the blade and the external workpiece is adjusted. This structure is easy to adjust the position between the blade and the workpiece, making the adjustment more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0016] Figure 3 It is a schematic diagram of the left side cross-sectional structure of the blade and T-shaped positioning rod of the utility model;

[0017] Figure 4 It is a left-side structural schematic diagram of the blade and T-shaped positioning rod of the utility model;

[0018] Figure 5 For the utility model Figure 1 A is an enlarged structural diagram of FIG.

[0019] In the figure: 1. sleeve rack; 2. external block; 3. inclined slide groove; 4. blade; 5. T-shaped positioning rod; 6. fixed collar; 7. sealing gasket; 8. groove; 9. movable slide rail; 10. pull rod; 11. spring; 12. plug-in block. DETAILED DESCRIPTION

[0020] 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 in 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.

[0021] Embodiment 1, as Figure 1-2 As shown, the utility model provides a technical solution: a sleeve boring tool for processing the outer circle of an engine, comprising a sleeve frame 1, an external block 2 and an inclined slide groove 3, the inner wall of the sleeve frame 1 is installed with the external block 2, and the bottom end of the external block 2 is provided with an inclined slide groove 3, the interior of the inclined slide groove 3 is provided with a T-shaped positioning rod 5, and the outer wall of the T-shaped positioning rod 5 is provided with a blade 4, the outer wall of the T-shaped positioning rod 5 is provided with a sealing gasket 7, and the sealing gasket 7 is tightly fitted with the outer wall of the blade 4 and the fixed collar 6 respectively, the blade 4 is penetrated by the T-shaped positioning rod 5 and slides up and down in the inclined slide groove 3, so that the position of the blade 4 and the external workpiece is adjusted, and this structure is convenient for adjusting the position between the blade 4 and the workpiece, making the adjustment more convenient.

[0022] Embodiment 2, as Figure 1-5As shown, the utility model provides a technical solution: a sleeve boring tool for machining the outer circle of an engine, comprising a T-shaped positioning rod 5, the outer wall of which is sleeved with a fixed collar 6, and a limiting mechanism for avoiding thread slipping is arranged inside the fixed collar 6, the limiting mechanism comprises a movable slide rail 9 and a pull rod 10, movable slide rails 9 are installed on both sides of the inner wall of the fixed collar 6, and a pull rod 10 is arranged inside the movable slide rail 9, and a sliding structure is formed between the pull rod 10 and the movable slide rail 9, a plurality of grooves 8 are opened on the outer wall of the T-shaped positioning rod 5, an insert block 12 penetrating the grooves 8 is installed at the bottom end of the pull rod 10, a spring 11 is sleeved on the outer wall of the pull rod 10, and the inner wall of the spring 11 is connected to the inner wall of the fixed collar 6, and the insert block 12 is driven to move with the groove 8 by pulling the pull rod 10 The spring 11 is tightened at this time, and then the fixing ring 6 is taken out from the T-shaped positioning rod 5, and the position of the moving blade 4 can be moved. When it is moved to the appropriate position, the sealing gasket 7 can be squeezed. At this time, the position of the plug 12 at the pull rod 10 is aligned, and the pull rod 10 is released. The plug 12 is driven to be inserted into the groove 8 under the elastic force of the spring 11 itself, and then the fixing ring 6 is fixed in the position of the T-shaped positioning rod 5. This structure is convenient for quickly installing and fixing the blade 4. The existing bolts and nuts are used for fixing. With long-term shaking, it is easy to slip the thread, which causes the blade 4 to shift and fall off. This structure avoids the slippage on the basis of quick installation and improves the installation stability.

[0023] Working principle: First, the operator pulls the pull rod 10 to drive the plug block 12 to separate from the groove 8. At this time, the spring 11 is tightened, and then the fixing ring 6 is removed from the T-shaped positioning rod 5, and the position of the moving blade 4 can be moved. When it is moved to the appropriate position, the sealing gasket 7 can be squeezed. At this time, the position of the plug block 12 at the pull rod 10 is aligned, and the pull rod 10 is released. Under the action of the spring 11's own elastic force, the plug block 12 is driven to be inserted into the groove 8, and then the fixing ring 6 is fixed in the T-shaped positioning rod 5. This structure is convenient for quickly installing and fixing the blade 4. Due to the existing use of bolts and nuts for fixing, it is easy to slip with long-term shaking, which in turn causes the blade 4 to shift and fall. This structure avoids slippage on the basis of quick installation and improves installation stability.

[0024] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A sleeve boring tool for machining the outer circle of an engine, comprising a sleeve holder (1), an external block (2) and an inclined slide groove (3), characterized in that: An external block (2) is installed on the inner wall of the sleeve rack (1), and an inclined slide groove (3) is provided at the bottom end of the external block (2), a T-shaped positioning rod (5) is provided inside the inclined slide groove (3), and a blade (4) is provided on the outer wall of the T-shaped positioning rod (5), a fixing ring (6) is sleeved on the outer wall of the T-shaped positioning rod (5), and a limiting mechanism for preventing thread slippage is provided inside the fixing ring (6).

2. A boring tool for machining the outer circle of an engine according to claim 1, characterized in that: The outer wall of the T-shaped positioning rod (5) is provided with a sealing gasket (7), and the sealing gasket (7) is tightly fitted with the outer walls of the blade (4) and the fixing ring (6), respectively.

3. A boring tool for machining the outer circle of an engine according to claim 1, characterized in that: The limiting mechanism comprises a movable slide rail (9) and a pull rod (10); the movable slide rails (9) are installed on both sides of the inner wall of the fixed collar (6); and the pull rod (10) is arranged inside the movable slide rail (9); a sliding structure is formed between the pull rod (10) and the movable slide rail (9).

4. A boring tool for machining the outer circle of an engine according to claim 3, characterized in that: The outer wall of the T-shaped positioning rod (5) is provided with a plurality of grooves (8), and an insert block (12) penetrating the grooves (8) is installed at the bottom end of the pull rod (10).

5. A boring tool for machining the outer circle of an engine according to claim 3, characterized in that: The outer wall of the pull rod (10) is sleeved with a spring (11), and the inner wall of the spring (11) is connected to the inner wall of the fixing ring (6).

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