Fine adjustment replaceable tool apron

Abstract

The utility model discloses a fine-tuning replaceable cutter holder, which comprises a fixed seat, a fixed bottom plate arranged at the bottom of the fixed seat and a cover plate arranged at the upper end of the fixed seat, a sliding cutter bar is arranged in the fixed seat, a replaceable cutter bar is arranged at the end part of the sliding cutter bar, the sliding cutter bar penetrates into the fixed seat and slides in the fixed seat, and the replaceable cutter bar is arranged at the upper end of the fixed seat. A pull rod is arranged at the left end of the fixed seat, a guide sleeve is arranged at the left end of the fixed seat, an adjusting nut in threaded connection with the guide sleeve is arranged on the guide sleeve, the pull rod penetrates through the guide sleeve and then is connected with the sliding cutter bar, a clamping groove is formed in the left end of the pull rod, and an annular protrusion matched with the clamping groove is arranged at the left end of the adjusting nut. The adjusting pull rod is rotated through the adjusting nut at the rear end to push the sliding cutter bar to move in the fixing base, the sliding cutter bar drives the replaceable cutter bar installed at the end to move so as to adjust the cutter, meanwhile, the replaceable cutter bar can be manufactured into different sizes and models according to different machining requirements, dismounting of a cutter body is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of machining, in particular to a fine-tunable and replaceable tool holder. Background Art

[0002] As the requirements for multi-station processing of CNC machine tools continue to increase, the requirements for tool holders arranged on the slides of machine tools are also increasing. There are fixed single-piece tool holders, multi-station rotary tool holders, multi-station rotary turrets, etc. The comprehensive application and processing of these tools not only improves processing efficiency but also relatively saves processing costs. When encountering special parts processing requirements during the application of fixed single-piece tool holders, the application of tool holders is particularly important. In particular, when two tools are used to process shaft parts on the positive and negative sides of the shaft at the same time, it is particularly convenient to adjust the tool when there is a spacing requirement for the Z-direction tool tip distance of the two tools. Utility Model Content

[0003] The utility model aims to solve the above problems and provide a fine-tuning replaceable tool holder. When the tool tip spacing is required in the Z direction, the tool can be fine-tuned, reducing the disassembly of the tool body and improving work efficiency.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A fine-tuning and replaceable knife seat comprises a fixed seat, a fixed base plate arranged at the bottom of the fixed seat, and a cover plate arranged at the upper end of the fixed seat. A sliding knife rod is arranged in the fixed seat, and a replaceable knife rod is arranged at the end of the sliding knife rod. The sliding knife rod penetrates into the fixed seat and slides in the fixed seat. A pull rod is arranged at the left end of the fixed seat, and a guide sleeve is arranged at the left end of the fixed seat. An adjusting nut threadedly connected to the guide sleeve is arranged on the guide sleeve. The pull rod is connected to the sliding knife rod after passing through the guide sleeve. A slot is arranged at the left end of the pull rod, and an annular protrusion matching the slot is arranged at the left end of the adjusting nut.

[0006] Furthermore, a pressure cover is provided at the left end of the fixing seat, and the guide sleeve is installed on the pressure cover.

[0007] Furthermore, a groove is provided at the left end of the sliding knife rod, and the right end of the pull rod penetrates into the groove and is connected to the threaded hole at the bottom of the groove.

[0008] Furthermore, a compression spring is sleeved on the pull rod, the right end of the compression spring penetrates into the groove and contacts the bottom of the groove, and the left end of the compression spring contacts the pressure cover.

[0009] Furthermore, a guide groove is provided on the fixed bottom plate, and a guide key cooperating with the guide groove is provided on the outer cylindrical surface of the sliding knife rod.

[0010] The beneficial effects of the utility model are:

[0011] 1. The utility model includes a fixed seat, a fixed bottom plate arranged at the bottom of the fixed seat, and a cover plate arranged at the upper end of the fixed seat. A sliding knife rod is arranged in the fixed seat, and a replaceable knife rod is arranged at the end of the sliding knife rod. The sliding knife rod goes deep into the fixed seat and slides in the fixed seat. A pull rod is arranged at the left end of the fixed seat, and a guide sleeve is arranged at the left end of the fixed seat. An adjusting nut threadedly connected to the guide sleeve is arranged on the guide sleeve. The pull rod is connected to the sliding knife rod after passing through the guide sleeve. A card slot is arranged at the left end of the pull rod, and an annular protrusion matching the card slot is arranged at the left end of the adjusting nut. The adjusting pull rod is rotated by the adjusting nut at the rear end to push the sliding knife rod to move inside the fixed seat, and the sliding knife rod drives the replaceable knife rod installed at the end to move so as to adjust the tool. When the distance between the tool tips is required in the Z direction, the tool can be fine-tuned. At the same time, the replaceable knife rod can be made into different sizes and models according to different processing requirements, and can be disassembled and replaced at the end of the knife rod, thereby reducing the disassembly of the knife body and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a cross-sectional view of the utility model.

[0015] In the figure: fixed seat 1, fixed base plate 2, cover plate 3, sliding knife rod 4, replaceable knife rod 5, pull rod 6, guide sleeve 7, adjusting nut 8, annular protrusion 9, pressure cover 10, groove 11, compression spring 12, guide groove 13, guide key 14. DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0017] like Figure 1As shown, a fine-tuning replaceable tool holder comprises a fixed seat 1, a fixed bottom plate 2 arranged at the bottom of the fixed seat 1, and a cover plate 3 arranged at the upper end of the fixed seat 1. A sliding knife rod 4 is arranged in the fixed seat 1, and a replaceable knife rod 5 is arranged at the end of the sliding knife rod 4. The replaceable knife rod is installed at the end of the sliding knife rod. The joint size of the end is a standard size, and knife rods of different lengths and specifications can be replaced to achieve quick replacement. The sliding knife rod 4 penetrates into the fixed seat 1 and slides in the fixed seat 1. A pull rod 6 is arranged at the left end of the fixed seat 1, and a guide sleeve 7 is arranged at the left end of the fixed seat 1. An adjusting nut 8 threadedly connected to the guide sleeve 7 is arranged on the guide sleeve 7, and the adjusting nut 8 is sleeved on the guide sleeve 7 and threadedly connected to the guide sleeve 7. The guide sleeve 7 is provided with an external thread. The pull rod 6 is connected to the sliding knife rod 4 after passing through the guide sleeve 7. A slot is arranged at the left end of the pull rod 6, and an annular protrusion 9 matching the slot is arranged at the left end of the adjusting nut 8. By rotating the adjusting rod 6 through the adjusting nut at the rear end, the sliding tool rod 4 is pushed to move inside the fixed seat 1. The sliding tool rod drives the replaceable tool rod installed at the end to move so as to adjust the tool. When there is a requirement for the tool tip spacing in the Z direction, the tool can be fine-tuned. At the same time, the replaceable tool rod can be made into different sizes and models according to different processing requirements. It can be disassembled and replaced at the end of the tool rod, which reduces the disassembly of the tool body and improves work efficiency.

[0018] like Figure 1 As shown, a gland 10 is provided at the left end of the fixing seat 1, and the gland 10 is fixed to the fixing seat 1 by screws. The guide sleeve 7 is installed on the gland 10, and the guide sleeve 7 is fixed to the gland 10 by screws.

[0019] like Figure 2 As shown, a groove 11 is provided at the left end of the sliding knife rod 4 , and the right end of the pull rod 6 penetrates into the groove 11 and is connected to the threaded hole at the bottom of the groove 11 .

[0020] like Figure 2 As shown, a compression spring 12 is sleeved on the pull rod 6, the right end of the compression spring 12 penetrates into the groove 11 and contacts the bottom of the groove 11, and the left end of the compression spring 12 contacts the pressure cover 10, and the gap between the pull rod and the movable knife rod is eliminated by the compression spring 12.

[0021] like Figure 2 As shown, the fixed base plate 2 is provided with a guide groove 13, and the outer cylindrical surface of the sliding knife rod 4 is provided with a guide key 14 that cooperates with the guide groove 13 to constrain the sliding direction and position of the knife rod.

[0022] In the description of the present invention, it should be noted that the terms "left", "right", "up", "down", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0023] 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, it can be an indirect connection through an intermediate medium, and 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 according to specific circumstances.

Claims

1. A fine-adjustable replaceable knife seat, comprising a fixed seat (1), a fixed bottom plate (2) arranged at the bottom of the fixed seat (1), and a cover plate (3) arranged at the upper end of the fixed seat (1), wherein a sliding knife rod (4) is arranged in the fixed seat (1), and a replaceable knife rod (5) is arranged at the end of the sliding knife rod (4), characterized in that: The sliding knife rod (4) penetrates into the fixed seat (1) and slides in the fixed seat (1); a pull rod (6) is provided at the left end of the fixed seat (1); a guide sleeve (7) is provided at the left end of the fixed seat (1); an adjusting nut (8) threadedly connected to the guide sleeve (7) is provided on the guide sleeve (7); the pull rod (6) passes through the guide sleeve (7) and is connected to the sliding knife rod (4); a slot is provided at the left end of the pull rod (6); and an annular protrusion (9) matching the slot is provided at the left end of the adjusting nut (8).

2. A fine-adjustable replaceable knife holder as claimed in claim 1, characterized in that: A pressure cover (10) is provided at the left end of the fixing seat (1), and the guide sleeve (7) is mounted on the pressure cover (10).

3. A fine-adjustable replaceable knife holder as claimed in claim 1, characterized in that: The left end of the sliding knife rod (4) is provided with a groove (11), and the right end of the pull rod (6) penetrates into the groove (11) and is connected to the threaded hole at the bottom of the groove (11).

4. The fine-adjustable replaceable tool holder according to claim 1, characterized in that: A compression spring (12) is sleeved on the pull rod (6), the right end of the compression spring (12) penetrates into the groove (11) and contacts the bottom of the groove (11), and the left end of the compression spring (12) contacts the pressure cover (10).

5. The fine-tunable replaceable tool holder according to claim 1, characterized in that: The fixed base plate (2) is provided with a guide groove (13), and the outer cylindrical surface of the sliding knife rod (4) is provided with a guide key (14) that matches the guide groove (13).

Images