Efficient compound tool for cutting machining of sleeve turning

Abstract

The utility model relates to a compound tool, in particular to an efficient compound tool for cutting machining of a sleeve lathe. Comprising a cutter body, a turning hole is formed in the end face of one side of the cutter body, and a Morse taper shank is arranged on the end face of the other side. An outer circle turning chip groove and an outer circle turning PCD blade located in the outer circle turning chip groove are formed in the end face, close to one side of the trepanning hole, of the cutter body; a transmission pin shaft is rotationally installed on the cutter body in the axial direction, the two ends of the transmission pin shaft penetrate through the end faces of the two sides of the cutter body respectively, a cut-off cutter body is arranged on the end face of the side, close to the sleeving hole, of the transmission pin shaft, a driving connecting rod is arranged on the end face of the side, close to the Morse taper shank, of the transmission pin shaft, and the driving connecting rod is connected with a hydraulic connecting rod of a machine tool. A positioning piece is arranged between the cut-off tool body and the tool body, and a cut-off edge is arranged on one side of the cut-off tool body close to the center shaft of the trepanning hole. Workpieces can be machined without tool changing operation in the machining process, the machining time can be effectively shortened, and the machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a compound tool, specifically relates to a high -efficient compound tool for sleeve car cutting processing. BACKGROUND

[0002] With the rapid development and continuous progress of the mechanical industry, more strict and specific requirements are put forward for processing efficiency, manufacturing cost and structure design of the tool. Especially in the automobile manufacturing industry, this trend is particularly evident. Due to the diversity and complexity of the structure of automobile parts, many parts need to be cut after completing the main body processing to achieve the final shape and size requirements.

[0003] However, the traditional step-by-step processing method, that is, changing the tool for cutting after completing the main body processing, not only significantly increases the processing time, but also seriously affects the production rhythm due to frequent tool changing operation; this processing method not only is inefficient, but also increases the production cost, reduces the overall production efficiency and cost control ability. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the technical problem of low processing efficiency of the existing processing method, and provides a high -efficient compound tool for sleeve car cutting processing.

[0005] To solve the above technical problems, the technical solution provided by the utility model is as follows:

[0006] A high -efficient compound tool for sleeve car cutting processing, including the cutter body, the side end face of the cutter body is provided with a sleeve hole, the other side end face is equipped with morse taper handle;

[0007] The end face of the cutter body near the sleeve hole side is provided with an external turning chip removal groove, and an external turning PCD blade located in the external turning chip removal groove;

[0008] The transmission pin shaft is rotatably installed on the cutter body along the axial direction, the both ends of the transmission pin shaft respectively penetrate the two side end faces of the cutter body, and the end face of the transmission pin shaft near the sleeve hole side is provided with a cutting body, the end face of the transmission pin shaft near the morse taper handle side is provided with a driving connecting rod, and the driving connecting rod is connected with the hydraulic connecting rod of the machine tool;

[0009] The cutting body and the cutter body are provided with a positioning element, and the cutting body is provided with a cutting edge near the center axis of the sleeve hole.

[0010] Further, the positioning element includes a shell fixed on the end face of the cutter body;

[0011] The shell is provided with a steel ball, and the side of the shell near the cutting body is provided with a reverse tapered through hole matched with the steel ball;

[0012] The cutting-off cutter body is provided with a positioning hole matched with the steel ball.

[0013] Further, the Morse taper shank comprises a mounting portion and a connecting portion.

[0014] The connecting portion is connected with the main shaft of the machine tool.

[0015] The mounting portion is connected with the cutter body through a plurality of screws.

[0016] Further, a flat key is arranged between the mounting portion and the cutter body.

[0017] Further, two inner circle turning chip removal grooves are arranged on the end face of the cutter body close to the sleeve turning hole, and inner circle turning PCD inserts are arranged in the inner circle turning chip removal grooves.

[0018] The two inner circle turning PCD inserts are different in distance from the center of the sleeve turning hole.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] 1. The high-efficiency composite cutter for sleeve turning and cutting-off machining is provided, the outer circle turning PCD insert and the cutting-off blade are integrated on the cutter body, the cutting-off cutter body is rotated around the transmission pin shaft to cut off the workpiece after the outer circle turning PCD insert finishes machining the outer edge of the workpiece, the machining of the workpiece can be completed without tool changing in the machining process, the machining time can be effectively shortened, and the machining efficiency is improved.

[0021] 2. The high-efficiency composite cutter for sleeve turning and cutting-off machining is connected to the machine tool through the Morse taper shank, the stability of the connection and the continuity of the torque transmission of the machine tool are ensured, three groups of diamond inserts are used to simultaneously machine the inner hole and the outer circle, and finally the cutting-off blade of the cutting-off cutter body is used for cutting-off processing, so that the production efficiency is greatly improved, and the efficiency waste caused by the layer-by-layer turning machining in the prior art is avoided. DRAWINGS

[0022] Figure 1 It is a structural schematic view of the utility model embodiment;

[0023] Figure 2 It is a structural schematic view of the Morse taper shank in the utility model embodiment;

[0024] Figure 3 It is a structural schematic view of the positioning member in the utility model embodiment;

[0025] Figure 4 It is a sectional view structural schematic view of the utility model embodiment; Figure 3

[0026] Figure 5 ​The structure schematic view of the cutting-off cutter body in the embodiment of the utility model.

[0027] Mark explanation: 1-cutter body, 2-sleeve hole, 3-Morse taper shank, 4-outer circle turning chip removal groove, 5-outer circle turning PCD blade, 6-transmission pin shaft, 7-cutting-off cutter body, 8-driving connecting rod, 9-positioning part, 10-cutting-off edge, 11-housing, 12-steel ball, 13-positioning hole, 14-mounting part, 15-connecting part, 16-screw, 17-flats, 18-inner circle turning chip removal groove, 19-inner circle turning PCD blade. DETAILED DESCRIPTION

[0028] The technical solutions in the utility model will be clearly and completely described below with reference to the drawings, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0029] As Figure 1 shown, a kind of high-efficiency composite cutting tool for sleeve cutting-off machining, including cutter body 1, sleeve hole 2 is set on the one side end face of cutter body 1, and Morse taper shank 3 is arranged on the other side end face;Morse taper shank 3 includes mounting part 14 and connecting part 15;Connecting part 15 is connected with machine tool spindle;As Figure 2 shown, mounting part 14 is connected with cutter body 1 by multiple screws 16. To increase the connecting strength between Morse taper shank 3 and cutter body 1, flats 17 are arranged between mounting part 14 and cutter body 1.

[0030] To realize sleeve machining to outer circle, as Figure 1 shown, outer circle turning chip removal groove 4 is set on the end face of cutter body 1 near sleeve hole 2 side, and outer circle turning PCD blade 5 is located in outer circle turning chip removal groove 4;

[0031] As Figure 1 shown, transmission pin shaft 6 is rotationally installed on cutter body 1 along axial direction, both ends of transmission pin shaft 6 are respectively penetrated through both sides of the end face of cutter body 1, and cutting-off cutter body 7 is arranged on the end face of transmission pin shaft 6 near sleeve hole 2 side, driving connecting rod 8 is arranged on the side end face of transmission pin shaft 6 near Morse taper shank 3, and driving connecting rod 8 is connected with the hydraulic connecting rod of machine tool;Positioning part 9 is arranged between cutting-off cutter body 7 and cutter body 1, and cutting-off edge 10 is arranged on the side of cutting-off cutter body 7 near the center axis of sleeve hole 2.

[0032] As Figure 1 and Figure 3 shown, positioning part 9 includes housing 11 fixed on the end face of cutter body 1;Steel ball 12 is arranged in housing 11, as Figure 4As shown, the housing 11 is provided with a reverse taper through hole matched with the steel ball 12 on the side close to the cutting-off cutter body 7. Figure 5 As shown, the cutting-off cutter body 7 is provided with a positioning hole 13 matched with the steel ball 12.

[0033] In order to process the inner circle of the workpiece, as shown, Figure 1 As shown, the end face of the cutter body 1 on the side close to the sleeve hole 2 is provided with two inner circle turning chip removal grooves 18, and the inner circle turning PCD blade 19 is arranged in the inner circle turning chip removal groove 18.

[0034] The utility model provides a high -efficient compound cutting tool for sleeve car cutting off processing, when using, drive connecting rod 8 is connected with machine tool hydraulic connecting rod, morse taper shank 3 is connected with machine tool main shaft.

[0035] When the outer wall of the workpiece is processed, the driving connecting rod 8 is rotated by the machine tool hydraulic connecting rod, and the cutting blade 10 on the cutting-off cutter body 7 cuts off the workpiece; after cutting, the machine tool hydraulic connecting rod drives the driving connecting rod 8 to rotate, and the cutting-off cutter body 7 returns to the initial position.

[0036] In other embodiments of the utility model, a spring can be arranged between the inner wall of the housing 11 and the steel ball 12, and the steel ball 12 is abutted in the reverse taper through hole of the housing 11 by the spring.

[0037] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any change or replacement within the technical range disclosed by the utility model should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited by the protection scope of the claims.

Claims

1. A high efficiency composite tool for cutting off machining of a sleeve, characterized by: Including the cutter body (1), the sleeve hole (2) is set up on one side end face of the cutter body (1), and the Morse taper shank (3) is set up on the other side end face; The outer circle turning chip removal groove (4) is set up on the end face of the cutter body (1) near the sleeve hole (2), and the outer circle turning PCD blade (5) is set up in the outer circle turning chip removal groove (4); The transmission pin shaft (6) is installed on the cutter body (1) along the axial direction, the transmission pin shaft (6) penetrates the two side end faces of the cutter body (1) respectively, and the cutting-off cutter body (7) is set up on the end face of the transmission pin shaft (6) near the sleeve hole (2), the driving connecting rod (8) is set up on the side end face of the transmission pin shaft (6) near the Morse taper shank (3), and the driving connecting rod (8) is connected with the hydraulic connecting rod of the machine tool; The positioning piece (9) is arranged between the cutting-off cutter body (7) and the cutter body (1), and the cutting-off blade (10) is arranged on the side of the cutting-off cutter body (7) near the central axis of the sleeve hole (2).

2. The high productivity index composite cutting tool for through cutting of a sleeve according to claim 1, characterized by: The positioning piece (9) includes the shell (11) fixed on the end face of the cutter body (1); The steel ball (12) is arranged in the shell (11), and the inverted conical through hole matched with the steel ball (12) is arranged on the side of the shell (11) near the cutting-off cutter body (7); The positioning hole (13) matched with the steel ball (12) is arranged on the cutting-off cutter body (7).

3. The high productivity index composite cutting tool for through cutting of a sleeve according to claim 1, characterized in that: The Morse taper shank (3) includes the mounting part (14) and the connecting part (15); The connecting part (15) is connected with the main shaft of the machine tool; The mounting part (14) is connected with the cutter body (1) through the plurality of screws (16).

4. The high productivity index composite tool for through cutting of a sleeve according to claim 3, characterized in that: The flat key (17) is arranged between the mounting part (14) and the cutter body (1).

5. The high efficiency indexable cutting tool for cutting off machining of a box part according to any one of claims 1 to 4, characterized in that: The two inner circle turning chip removal grooves (18) are arranged on the end face of the cutter body (1) near the sleeve hole (2), and the inner circle turning PCD blade (19) is arranged in the inner circle turning chip removal groove (18); The distances between the two inner circle turning PCD blades (19) and the center of the sleeve hole (2) are different.

Images