Numerical control machining cutter with correction function

Abstract

The utility model discloses a numerical control machining tool with a correction function, and relates to the technical field of machining, the numerical control machining tool with the correction function comprises a fixing assembly and a correction assembly, the fixing assembly comprises a fixed tool bar and a cutting turning tool detachably arranged on the top face of the end of the fixed tool bar, and the correction assembly is arranged on the fixed tool bar. A tool edge of the cutting turning tool protrudes towards the side of the fixed tool bar; the calibration assembly comprises a workpiece abutting rod and an elastic reset unit, the workpiece abutting rod is arranged on the side wall of the end, close to the cutting turning tool, of the fixed tool bar and protrudes in the direction away from the fixed tool bar, and the elastic reset unit is embedded in the fixed tool bar and connected with the end, close to the fixed tool bar, of the workpiece abutting rod. And the rod body limiting unit is arranged at the joint of the workpiece abutting rod and the elastic reset unit, so that when the to-be-machined workpiece gets close to the cutting turning tool, the to-be-machined workpiece can be pushed, the clamping gap is reduced, the calibration procedure is omitted, and the machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field, concretely relates to a numerical control processing cutter with correction function. BACKGROUND

[0002] In metal cutting, turning tools play a vital role, turning tools are used for turning tools, with a cutting part, mainly used on various lathe, processing outer circle, hole, end face, thread, groove, etc., in the automatic loading and unloading numerical control lathe machining process, the main shaft chuck is often used for automatic loading, the workpiece is clamped in the fixed hole at the main shaft chuck shaft center, and is displaced to the turning tool cutting edge, but the main shaft chuck and the workpiece often do not clamp in place, that is, there is a clamping gap between the tail end of the workpiece and the main shaft chuck, at this time, the workpiece needs to be corrected by using a correction component to make the tail end of the workpiece fit the main shaft chuck, but the correction component and the related action of the correction component need to occupy the limited tool position of the numerical control lathe and production time. SUMMARY

[0003] The present application provides a numerical control processing cutter with correction function, which can solve the technical problem of existing technology that there is a clamping gap between the main shaft chuck and the workpiece during automatic loading of the main shaft chuck, and the additional separate correction component occupies the limited tool position of the numerical control lathe and production time.

[0004] The present application provides a numerical control processing cutter with correction function, which can solve the technical problem of existing technology that there is a clamping gap between the main shaft chuck and the workpiece during automatic loading of the main shaft chuck, and the additional separate correction component occupies the limited tool position of the numerical control lathe and production time.

[0005] The fixed component includes a fixed tool bar and a cutting turning tool detachably arranged on the top surface of the end of the fixed tool bar, and the cutting turning tool cutting edge protrudes to the side of the fixed tool bar;

[0006] The calibration component includes a workpiece abutting rod arranged on the side wall of the fixed tool bar near one end of the cutting turning tool and protruding away from the fixed tool bar, and an elastic reset unit embedded in the fixed tool bar and connected to the workpiece abutting rod near one end of the fixed tool bar, the protruding direction of the workpiece abutting rod is consistent with the cutting turning tool, and a rod body limiting unit is arranged at the connection between the workpiece abutting rod and the elastic reset unit.

[0007] In one embodiment, the fixed tool bar includes a rod body part and an installation part at the end of the rod body part, and the cutting turning tool is arranged in the installation part.

[0008] In one embodiment, the top of the installation part is provided with a turning tool containing groove for arranging the cutting turning tool, and the cross section of the turning tool containing groove is smaller than the cross section area of the cutting turning tool.

[0009] In one embodiment, the mounting portion is further provided with a pressing plate, one end of the pressing plate is detachably arranged on the top surface of the mounting portion, and the other end horizontally extends to the top of the cutting tool.

[0010] In one embodiment, the cutting tool is provided with a fixed rotating shaft longitudinally penetrating the cutting tool and the mounting portion.

[0011] In one embodiment, the elastic reset unit comprises a cylindrical shell, one end of the cylindrical shell is embedded in the fixed tool rod, and the other end is flush with the side wall of the fixed tool rod.

[0012] In one embodiment, one end of the workpiece abutting rod is embedded in the cylindrical shell, and the other end extends away from the fixed tool rod.

[0013] In one embodiment, the elastic reset unit further comprises a reset spring, one end of the reset spring is connected to the inner wall of the end of the cylindrical shell, and the other end is connected to the rod limiting unit.

[0014] In one embodiment, the rod limiting unit comprises a clamping end located at the end of the workpiece abutting rod embedded in the cylindrical shell, and the diameter of the clamping end is greater than the diameter of the workpiece abutting rod.

[0015] In one embodiment, the rod limiting unit further comprises a matching step arranged on the inner wall of the cylindrical shell and matched with the clamping end.

[0016] The technical scheme provided by the embodiments of the present application has the following beneficial effects:

[0017] By arranging the workpiece abutting rod on the side wall of the fixed tool rod, which is consistent with the direction of the cutting edge of the cutting tool, and cooperating with the elastic reset unit at one end of the workpiece abutting rod, an outward pushing force can be applied to the workpiece to be machined while the workpiece to be machined is close to the fixed tool rod, thereby reducing the gap between the workpiece to be machined and the tail end of the main shaft chuck, without occupying additional machining positions, and without the need for an additional workpiece positioning process, and the overall structure is simple, which can greatly improve the efficiency of machining operation and reduce the investment of enterprises. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1A top view of the tool with correction function for numerical control machining provided by the embodiment of the application;

[0020] Figure 2 A fixed tool bar structure schematic diagram in the tool with correction function for numerical control machining provided by the embodiment of the application;

[0021] Figure 3 A calibration assembly structure schematic diagram in the tool with correction function for numerical control machining provided by the embodiment of the application.

[0022] In the figure: 1, fixed tool bar; 101, bar body part; 102, mounting part; 103, turning tool accommodating groove; 104, pressing plate; 105, fixed rotating shaft; 106, tool pad; 2, cutting turning tool; 3, workpiece abutting rod; 4, elastic reset unit; 401, cylindrical shell; 402, reset spring; 403, limiting ring; 5, bar body limiting unit; 501, clamping end; 502, matching step. DETAILED DESCRIPTION

[0023] In order for those skilled in the art to better understand the scheme of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] The embodiment of the present application provides a tool with correction function for numerical control machining, which can solve the technical problem that there is a clamping gap between the spindle chuck and the workpiece when the spindle chuck is automatically fed, and if a correction component is additionally and separately arranged, the limited tool position of the numerical control lathe and the production working hours are occupied.

[0025] The tool with correction function for numerical control machining in the present application includes a fixed assembly and a calibration assembly located on the fixed assembly. The fixed assembly is fixedly arranged on a machine tool and is used for cutting a workpiece to be machined. The calibration assembly is arranged at one end of the fixed assembly close to the workpiece to be machined and protrudes from the surface of the fixed assembly. When the workpiece to be machined is clamped by the spindle chuck and approaches the fixed assembly, the calibration assembly will first contact the workpiece to be machined. The calibration assembly has a certain elastic potential and can exert a certain pushing force on the workpiece to be machined under the premise of not affecting the action of the workpiece to be machined approaching the fixed assembly, so as to displace the workpiece to be machined in the direction of the tail end of the spindle chuck, thereby reducing the gap between the tail end of the spindle chuck and the workpiece to be machined, and completing the calibration of the workpiece to be machined.

[0026] Specifically, Figure 1A plan view of the cutting tool with correction function for numerical control machining provided by the embodiment of the present application is shown in Figure 1 The fixed assembly includes a fixed tool bar 1 and a cutting tool 2 detachably arranged on the top surface of the end of the fixed tool bar 1, and the cutting edge of the cutting tool 2 protrudes towards the side of the fixed tool bar 1. The fixed tool bar 1 serves as the support part of the whole assembly, has a stable structure and sufficient strength, is installed on the lathe, and the cutting tool 2 is usually made of high-strength materials such as hard alloy and ceramic, has high wear resistance, and the cutting tool 2 is detachably installed on one side of the top of one end of the fixed tool bar 1. The cutting edge of the cutting tool 2 protrudes from the fixed tool bar 1, so that the cutting tool 2 can effectively contact the workpiece to be machined during work and perform cutting operation. The detachability of the cutting tool 2 also allows the cutting tool 2 to be conveniently replaced when it is worn or damaged.

[0027] Further, the calibration assembly includes a workpiece abutting rod 3 arranged on the side wall of the end of the fixed tool bar 1 close to the cutting tool 2 and protruding towards the direction away from the fixed tool bar 1, and an elastic reset unit 4 embedded in the fixed tool bar 1 and connected to the end of the workpiece abutting rod 3 close to the fixed tool bar 1. The workpiece abutting rod 3 is consistent with the protruding direction of the cutting tool 2, and the connection between the workpiece abutting rod 3 and the elastic reset unit 4 is provided with a rod body limiting unit 5.

[0028] That is, in the assembled working condition, the workpiece abutting rod 3 is arranged transversely towards the direction of the workpiece to be machined and close to the cutting tool 2. When the workpiece to be machined is clamped by the spindle chuck and approaches the cutting tool 2, the workpiece abutting rod 3 will first contact and abut the workpiece to be machined. The end of the workpiece abutting rod 3 connected to the elastic reset unit 4 is also arranged transversely, which can give the workpiece abutting rod 3 a certain supporting force and flexibility, so as to facilitate the workpiece to be machined to be subjected to a certain pushing force. The rod body limiting unit 5 can limit the transverse displacement of the workpiece abutting rod 3 within a certain range. The closer the workpiece to be machined approaches the cutting tool 2, the greater the compression of the elastic reset unit 4, and the greater the pushing force fed back to the workpiece abutting rod 3. The pushing force will be transmitted to the workpiece to be machined through the workpiece abutting rod 3, so as to eliminate the clamping gap between the workpiece to be machined and the tail end of the spindle chuck.

[0029] Further, Figure 2 A structure schematic diagram of the fixed tool bar 1 in the cutting tool with correction function for numerical control machining provided by the embodiment of the present application is shown in Figure 2 The fixed tool bar 1 includes a rod body part 101 and an installation part 102 at the end of the rod body part 101. The cutting tool 2 is arranged on the installation part 102. The rod body part 101 and the installation part 102 are both made of wear-resistant metal materials and are fixedly connected to form a whole. The rod body part 101 has a certain length. In the assembled working condition, the rod body part 101 is arranged horizontally on the machine tool, and the installation part 102 is arranged at the end of the rod body part 101 close to the workpiece to be machined.

[0030] Further, see Figure 2 The mounting part 102 has a tool receiving groove 103 at its top for mounting the cutting tool 2. The cross-section of the tool receiving groove 103 is smaller than the cross-sectional area of ​​the cutting tool 2. The tool receiving groove 103 is located at the end of the mounting part 102 away from the rod part 101 and is biased towards the workpiece to be processed. The depth of the tool receiving groove 103 is smaller than the thickness of the mounting part 102 and the cross-section of the tool receiving groove 103 is smaller than the cross-sectional area of ​​the top of the mounting part 102. The cutting tool 2 is placed in the tool receiving groove 103. In one possible embodiment, a tool pad 106 is also provided on the tool receiving groove 103. When the assembly is completed, the tool pad 106 is placed at the bottom of the cutting tool 2. The tool pad 106 has a certain degree of flexibility, which can absorb the vibration of the cutting tool 2 during operation, improve the cutting accuracy, and also prevent the rigid cutting tool 2 from directly contacting the rigid mounting part 102, thus protecting the overall structure.

[0031] Further, see Figure 2 The mounting part 102 is also provided with a pressure plate 104. One end of the pressure plate 104 is detachably mounted on the top surface of the mounting part 102, and the other end extends horizontally to the top of the cutting tool 2. As described above, the cross-section of the cutting tool receiving groove 103 is smaller than the cross-sectional area of ​​the top of the mounting part 102. Therefore, one end of the pressure plate 104 is fixed to the top surface of the mounting part 102 where the cutting tool receiving groove 103 is not provided via a fastener, and the other end extends to the top of the cutting tool 2 and presses the cutting tool 2 to firmly fix the cutting tool 2 on the mounting part 102. This ensures that the cutting tool 2 remains stable during the machining process, which helps to reduce errors caused by the shaking of the cutting tool 2, thereby improving machining accuracy and surface quality.

[0032] Further, see Figure 2 The cutting tool 2 is provided with a fixed rotating shaft 105 that runs longitudinally through the cutting tool 2 and the mounting part 102. In one possible embodiment of this application, the cutting tool 2 is square, with a cutting edge on each side. Each cutting edge has precise geometric parameters and a cutting edge. The fixed rotating shaft 105 not only ensures the stable connection between the cutting tool 2 and the mounting part 102, but also ensures the horizontal rotation of the cutting tool 2 on the mounting part 102. High-precision machining can be achieved by adjusting the cutting angle and position. At the same time, since the cutting tool 2 can be indexed, the downtime caused by tool replacement is reduced, thereby improving machining efficiency. It also avoids the increase in cutting force and cutting temperature caused by cutting edge wear, thereby protecting the machine tool and workpiece from damage.

[0033] Furthermore, Figure 3 A schematic diagram of a calibration component in a CNC machining tool with calibration function provided in this application embodiment is shown below.Figure 3 The elastic reset unit 4 comprises a cylindrical shell 401, one end of which is embedded in the fixed blade rod 1, and the other end is flush with the side wall of the fixed blade rod 1. The cylindrical shell 401 is arranged at one end of the rod body part 101 of the fixed blade rod 1 close to the mounting part 102. A mounting hole with a length greater than the axial length of the cylindrical shell 401 is formed on the rod body part 101. The cylindrical shell 401 is completely embedded in the mounting hole, and one end of the cylindrical shell 401 is open and the other end is closed. The workpiece abutting rod 3, the elastic reset unit 4, and the rod body limiting unit 5 are all arranged in the cylindrical shell 401 through the open end.

[0034] In a possible implementation, a limiting ring 403 is arranged on the outer periphery of the end of the cylindrical shell 401 away from the rod body part 101, that is, the outer periphery of the open end of the cylindrical shell 401. The diameter of the limiting ring 403 is greater than the inner diameter of the mounting hole formed on the rod body part 101, so as to limit the installation depth of the cylindrical shell 401, facilitating the replacement of the cylindrical shell 401 in the later stage.

[0035] Further, one end of the workpiece abutting rod 3 is embedded in the cylindrical shell 401, and the other end extends away from the fixed blade rod 1. The elastic reset unit 4 further comprises a reset spring 402, one end of which is connected to the inner wall of the closed end of the cylindrical shell 401, and the other end is connected to the rod body limiting unit 5. The diameter of the open end of the cylindrical shell 401 is greater than the outer diameter of the workpiece abutting rod 3, and the end of the workpiece abutting rod 3 entering the cylindrical shell 401 is fixedly connected to part of the structure of the rod body limiting unit 5.

[0036] Further, see Figure 3 The rod body limiting unit 5 comprises a clamping end 501 located at the end of the workpiece abutting rod 3 embedded in the cylindrical shell 401, and the diameter of the clamping end 501 is greater than the diameter of the workpiece abutting rod 3. The rod body limiting unit 5 further comprises a matching step 502 arranged on the inner wall of the cylindrical shell 401 and matched with the clamping end 501.

[0037] The rod body limiting unit 5 and the clamping end 501 form a transversely arranged T-shaped structure. The arrangement of the matching step 502 means that the cavity of the cylindrical shell 401 comprises two parts with different diameters. The part with a larger diameter is arranged inwardly to accommodate the reset spring 402 and the clamping end 501. The part with a smaller diameter is arranged outwardly to accommodate part of the rod part of the workpiece abutting rod 3 entering the cylindrical shell 401.

[0038] The action mechanism of the numerical control machining tool with correction function in the application is as follows: under the assembled working condition, the cutting edge of the cutting tool 2 is consistent with the orientation of the workpiece abutting rod 3, and both are oriented towards the workpiece to be machined, and the protruding length of the workpiece abutting rod 3 is greater than the protruding length of the cutting edge of the cutting tool 2; when the workpiece to be machined approaches the fixed tool rod 1 under the driving of the main shaft chuck, the workpiece abutting rod 3 first abuts against the workpiece to be machined; as the workpiece to be machined continuously approaches, the reset spring 402 is squeezed, thereby feeding a pushing force towards the tail end of the main shaft chuck to the workpiece to be machined, so as to reduce the gap between the tail end of the main shaft chuck and the workpiece to be machined, and assist the workpiece to be machined to be positioned; after the machining is completed, the workpiece abutting rod 3 is reset under the pushing of the reset spring 402.

[0039] The numerical control machining tool with correction function in the application can apply a pushing force outward to the workpiece to be machined when the workpiece to be machined approaches the fixed tool rod 1, thereby reducing the gap between the workpiece to be machined and the tail end of the main shaft chuck, without occupying additional machining positions, and without additionally performing a workpiece positioning process, and the overall structure is simple, which can greatly improve the efficiency of machining operation and reduce the enterprise investment.

[0040] In the description of the application, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. Unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0041] It should be noted that, in the present application, the relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0042] The foregoing is merely illustrative of the principles of the application and various modifications can be made by those skilled in the art without departing from the spirit and scope of the application. The above embodiments are illustrative, and not restrictive, of the scope of the application.

Claims

1. A tool for numerical control machining with a correction function, characterized by comprising: a tool body; a tool tip; a correction mechanism for correcting a position of the tool tip; and a correction mechanism control unit for controlling the correction mechanism. The utility model relates to a cutting tool, which comprises: a fixed component, which comprises a fixed tool bar (1) and a cutting tool (2) detachably arranged on the top surface of the end of the fixed tool bar (1), and the cutting edge of the cutting tool (2) protrudes towards the side of the fixed tool bar (1); a calibration component, which comprises a workpiece abutting rod (3) arranged on the side wall of the fixed tool bar (1) near one end of the cutting tool (2) and protruding away from the fixed tool bar (1), and an elastic reset unit (4) embedded in the fixed tool bar (1) and connected to the workpiece abutting rod (3) near one end of the fixed tool bar (1), the protruding direction of the workpiece abutting rod (3) is consistent with that of the cutting tool (2), and a rod limiting unit (5) is arranged at the connection between the workpiece abutting rod (3) and the elastic reset unit (4).

2. The tool with correction function for numerical control machining according to claim 1, characterized in that, The fixed tool bar (1) comprises a rod body part (101) and a mounting part (102) at the end of the rod body part (101), and the cutting tool (2) is arranged on the mounting part (102).

3. The tool with correction function according to claim 2, wherein A tool accommodating groove (103) for arranging the cutting tool (2) is arranged on the top of the mounting part (102), and the cross section of the tool accommodating groove (103) is smaller than the cross section area of the cutting tool (2).

4. The tool with correction function according to claim 3, wherein A pressing plate (104) is further arranged on the mounting part (102), one end of the pressing plate (104) is detachably arranged on the top surface of the mounting part (102), and the other end extends horizontally to the top of the cutting tool (2).

5. The tool with correction function according to claim 4, wherein A fixed rotating shaft (105) longitudinally penetrating the cutting tool (2) and the mounting part (102) is arranged on the cutting tool (2).

6. The tool with correction function for numerical control machining according to claim 1, wherein The elastic reset unit (4) comprises a cylindrical shell (401), one end of the cylindrical shell (401) is embedded in the fixed tool bar (1), and the other end is flush with the side wall of the fixed tool bar (1).

7. The tool with correction function according to claim 6, wherein One end of the workpiece abutting rod (3) is embedded in the cylindrical shell (401), and the other end extends away from the fixed tool bar (1).

8. The tool with correction function according to claim 7, wherein The elastic reset unit (4) further comprises a reset spring (402), one end of the reset spring (402) is connected to the inner wall of the end of the cylindrical shell (401), and the other end is connected to the rod limiting unit (5).

9. The tool with correction function according to claim 6, wherein The rod limiting unit (5) comprises a clamping end (501) at the end of the workpiece abutting rod (3) embedded in the cylindrical shell (401), and the diameter of the clamping end (501) is greater than that of the workpiece abutting rod (3).

10. The tool with correction function for numerical control machining according to claim 9, wherein The rod limiting unit (5) further comprises a matching step (502) arranged on the inner wall of the cylindrical shell (401) and matched with the clamping end (501).

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