CN217018656U - Practice thrift gang tool of sword position - Google Patents

Abstract

The utility model discloses a composite tool which saves tool positions, which comprises a tool handle, a fixed end and a drill body. One end of the tool handle is integrally connected with the fixed end by casting, and the two fixed ends are arranged at the circumferential edge of the end face of the tool handle and the two fixed ends are The end connecting line passes through the center of the end face, the fixed end is provided with an adjustable and replaceable milling cutter blade, the fastening direction of the milling cutter blade is perpendicular to the plane direction where the two fixed ends are located, and the milling cutter blade is perpendicular to the end face of the shank; The tool shank beside the fixed end is provided with a first chip removal groove; the tool shank is located at the center of the end face of the fixed end in the same direction and is screwed with the drill body, and the machining rotation direction of the drill body is opposite to the screw fixing direction of the drill body , the end of the drill body is provided with a drill edge, the end of the drill body to the middle of the drill body is provided with a second chip removal groove, and the middle of the drill body is provided with a tap. The combination of repairing and tapping functions saves more tool positions, and the replaceable milling cutter inserts can save processing costs.

Description

A composite tool that saves tool positions

technical field

The utility model particularly relates to a composite tool for saving tool positions, which belongs to the field of composite tool design.

Background technique

The use in machining plants is essential. The blank workpieces are processed into various molds for sale. The steps of washing, drilling, and tapping are frequently used in the processing steps. In traditional machine tools, the tool chuck is equipped with There are multiple tool positions, and multiple tools can be installed at the same time. This design is convenient for workers to process and also speeds up mechanical work efficiency and improves productivity. However, some workpiece processing programs have multiple steps or some tool positions are damaged. The number of tool positions cannot meet the demand, which sets up obstacles for the smooth processing of the workpiece. The existing composite tools also have a variety of processing tools, but there are defects.

The prior art CN210451028U discloses a composite cutter. A boring cutter head is protruded from the axial center of the front end of the composite cutter, and a milling cutter head is protruded from the non-axial center of the front end. The cutting part of the compound tool includes a boring head and a milling head. The boring head is used to process the center hole of the product. When the compound tool is cut, the milling head can rotate to cut the side of the product. The boring head and the milling cutter The heads cooperate with each other so that the tool of this embodiment can be used for multiple purposes. The tools provided in this utility model are all fixed, and only the tools can be replaced after long-term use. In addition, this design can only process workpieces with boring and washing steps at the same time. , when a function tool is used alone, the machining process of this function tool will be affected by other function tools.

Utility model content

The utility model specifically solves the above-mentioned defects in the prior art, and now provides a composite tool with a simple structure and convenient use that saves tool positions.

The technical scheme of the utility model is realized in the following way: a composite cutting tool that saves tool positions, which is characterized by comprising a tool handle, a fixed end and a drill body.

One end of the handle is integrally cast and connected with the two fixed ends, the two fixed ends are arranged at the circumferential edge of the end face of the handle, and the connecting line of the two fixed ends passes through the center of the end face, and the fixed end is provided with an adjustable and replaceable milling cutter blade, The fastening direction of the milling cutter blade is perpendicular to the plane direction where the two fixed ends are located, and the milling cutter blade is perpendicular to the end face of the tool handle; the tool handle beside the fixed end is provided with a first chip removal groove;

The drill body and the shank are screwed together at the center of the end face in the same direction as the fixed end, and the machining rotation direction of the drill body is opposite to the screw fixing direction of the drill body. The end of the drill body is provided with a drill edge, and the drill body The end to the middle of the drill body is provided with a second chip removal groove, and the middle part of the drill body is provided with a tap, the chip removal groove on the tap is communicated with the second chip removal groove, and the groove edge of the second chip removal groove is on the edge There is a finishing blade, and the curve of the finishing blade is set according to the groove edge of the second chip removal groove.

Further, the fixed end is provided with a first threaded hole and a second threaded hole, the second threaded hole is evenly and circumferentially distributed around the first threaded hole, and the bolt passes through the milling cutter blade installation hole, the first threaded hole or the first threaded hole. The second threaded hole makes the milling cutter insert fixed.

Further, the diameter of the connecting end of the drill body tail is larger than the diameter of the processing section of the drill body.

Further, the length of the finishing blade section on the drill body is longer than the length of the drill blade section.

Further, the diameter of the rotating circumference of the finishing cutting edge is 0.01 mm larger than the maximum rotating circumference diameter of the drilling edge.

Further, the number of the finishing blades is three.

The beneficial effects of adopting the technical scheme of the present utility model are as follows:

1. The utility model combines the milling, drilling, finishing and tapping of the cutter together, which saves a lot of tool positions. The cutter milling cutter adopts an adjustable and replaceable connection between the blade and the fixed end, and uses bolts to connect the milling cutter first. The insert is located at one end of the first threaded hole. Select a suitable turning and milling angle to fix the milling cutter insert at the second threaded hole. This design can not only adjust the machining angle of the milling cutter insert, but also facilitate the replacement of the failed milling cutter insert. Generally, the workpiece needs to be more In the long-term turning and milling process, the milling cutter blade wears greatly, and the cutter equipped with the replaceable milling cutter blade can save more cost than the cutter with the integrated blade and cutter body.

2. The screw connection of the drill body and the shank in the present utility model also facilitates the disassembly of the drill body at any time, prevents the tool from being disturbed by the drill body during the turning and milling process, and also facilitates the replacement of the drill body. In addition, the finishing blade provided on the drill body can be effectively repaired Drilling, so that the drilling can be processed at one time. If the threaded hole needs to be processed, the drill body is processed until the tap section enters the hole, and the drilled hole has been repaired by the finishing blade for many times, which can ensure the quality of the threaded hole processing.

Description of drawings

FIG. 1 is a schematic structural diagram of the present utility model.

FIG. 2 is a schematic view of the structure of the fixed end of the present invention.

FIG. 3 is a schematic view of the structure of the drill body in the present invention.

Figure 4 is a front view of the processing surface of the present invention.

Among them: 1 shank, 2 first chip flute, 3 milling cutter insert, 4 fixed end, 5 drill body, 6 second threaded hole, 7 first threaded hole, 8 tap, 9 finishing blade, 10 second row Chip flutes, 11 drill edges.

Detailed ways

In order to make the technical means, creation features, achievement goals and effects of the present invention easy to understand and understand, the present invention will be further described below with reference to the specific embodiments.

As shown in FIGS. 1 to 4 , the present invention mainly includes a tool handle 1 , a fixed end 4 and a drill body 5 . One end of the tool handle 1 is provided with an opposite fixed end 4 . Considering the large force of each component during tool processing , the fixed end 4 and the tool handle 1 are integrally cast, and the two fixed ends 4 are connected with a straight line passing through the center of the end face of the tool handle 1. Considering the cost saving of the tool and the large wear of the cutting edge during the turning and milling process of the tool, the fixed end 4 is installed with a Adjustable milling cutter blade 3, the two milling cutter blades 3 work in a circular shape, and the two milling cutter blades 3 chip in opposite directions, so the installation and tightening directions of the two milling cutter blades 3 are set to the opposite direction to ensure the smooth cutting of the tool It can also increase the cutting efficiency of the tool. The fixed end 4 is provided with a first chip removal groove 2 to facilitate the removal of waste chips generated during turning and milling of the composite tool. The end face of the tool handle 1 is also connected with a drill body 5. To prevent the drill body 5 from interfering with the composite tool for turning and milling work, the drill body 5 is screwed with the tool holder 1, and the end of the drill body 5 is provided with a drill edge 11; to further prevent the drill body 5 from falling off during processing, the drill body 5 is processed in the direction of rotation The screw fixing direction of the drill body 5 is set in the opposite direction. The setting of this structure can ensure the processing stability of the drill body 5, and also achieve the purpose of self-locking of the drill body 5. The combination of the milling cutter blade 3 and the drill body 5 realizes one cutter The purpose of multi-purpose is to reduce the use of tool positions. The end of the drill body 5 is provided with a second chip removal groove 10 from the middle of the drill body 5, and the middle of the drill body 5 is provided with a tap 8. The workpiece is processed by the drill edge 11 for installation. The normal installation holes need to be used with bolts, so the conventional installation holes need to be drilled and tapped before they can be used. In this composite tool, the tap 8 is set on the drill body 5, and the installation holes can be processed in one piece, reducing the step of changing the tool, thereby The machining error is reduced and the work efficiency is improved. The linear chip removal groove on the tap 8 is communicated with the second chip removal groove 10, and the connected chip removal groove can effectively remove the waste chips of each processing section. The second chip removal groove The edge of the groove 10 is provided with a finishing blade 9, and the curve of the finishing blade 9 is set according to the groove edge of the second chip removal groove 10. The finishing blade 9 can remove the burr of the installation hole opened on the workpiece, eliminating the need for holes Subsequent finishing steps within.

As shown in Figure 2: the utility model designs an adjustable milling cutter insert 3, the fixed end 4 is provided with a first threaded hole 7, a second threaded hole 6, the second threaded hole 6 around the first threaded hole 7 Evenly and circumferentially distributed, the bolts pass through the mounting hole of the milling cutter insert 4, the first threaded hole 7 or the second threaded hole 6, selecting the appropriate second threaded hole 6 can limit the installation angle of the milling cutter insert 4, the second threaded hole 6 The fan-shaped arrangement makes the angle adjustment smoother.

Further: the connecting end of the drill body 5 is provided with a larger diameter, and the machining section of the drill body 5 has a smaller diameter, which makes the drill body 5 more stable during processing. The installation hole is in the finishing section to ensure the finishing quality. The diameter of the rotating circle of finishing blade 9 is 0.01 mm larger than the maximum rotating circle diameter of drilling blade 11, and the number of finishing blade 9 is 3, so that finishing blade 9 can play The finishing function also ensures the service life of the finishing blade 9 .

Specific operation: The composite cutter milling cutter adopts a detachable milling cutter blade 4. First, install one end of the first threaded hole 7, determine the turning and milling angle of the cutting edge, and select a suitable second threaded hole 6 to install and fix, and then perform turning and milling. When the tool needs drilling, screw the drill body 5 directly on the tool holder 1, and then the workpiece can be drilled; the drill body 5 is provided with a drilling end and a finishing section to realize drilling It can reduce the error caused by ordinary tool replacement to the processing results. If the drilling requires further tapping process, continue to drill down after the drilling finishing period ends until the tap 8 completely enters the drilling. In the above processing period, the waste chips can be removed from their respective chip flutes. This composite tool combines several common tools in workpiece processing. This design can save multiple tool positions and reduce processing time.

It can be known from the technical common sense that the present invention can be realized by other embodiments without departing from its spirit or essential characteristics. Accordingly, the above-disclosed embodiments are, in all respects, illustrative and not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims (6)

1. The utility model provides a practice thrift gang tool of position, characterized by: comprises a knife handle (1), a fixed end (4) and a drill body (5);

one end of the cutter handle (1) is integrally cast and connected with the two fixed ends (4), the two fixed ends (4) are arranged at the circumferential edge of the end face of the cutter handle (1), the connecting line of the two fixed ends (4) passes through the circle center of the end face, adjustable and replaceable milling cutter blades (3) are arranged on the fixed ends (4), the fastening direction of the milling cutter blades (3) is vertical to the plane direction of the two fixed ends (4), and the milling cutter blades (3) are vertical to the end face of the cutter handle (1); a first chip removal groove (2) is formed in the cutter handle (1) beside the fixed end (4);

bore body (5) and handle of a knife (1) and be located stiff end (4) syntropy end center department screw connection, and bore body (5) processing direction of rotation and bore body (5) spiral fixed direction opposite, bore body (5) end and be equipped with drill blade (11), bore body (5) end to bore body (5) middle part and be equipped with second chip groove (10), and be equipped with screw tap (8) in the middle part of boring body (5), chip groove and second chip groove (10) intercommunication on screw tap (8), be equipped with finish cutting edge (9) on the trough rim of two chip grooves (10), finish cutting edge (9) curve is in accordance with the trough rim setting of second chip groove (10).

2. The compound tool for saving tool space of claim 1, wherein: be equipped with first screw hole (7), second screw hole (6) on stiff end (4), second screw hole (6) are around first screw hole (7) even, circumference distribution, and the bolt passes milling cutter blade (3) mounting hole, first screw hole (7) or second screw hole (6), makes milling cutter blade (3) fixed.

3. The compound tool for saving tool space of claim 1, wherein: the diameter of the tail connecting end of the drill body (5) is larger than that of the machining section of the drill body (5).

4. The tool position saving compound tool according to claim 1, wherein: the length of the section of the finishing cutting edge (9) on the drill body (5) is longer than that of the section of the drill edge (11).

5. The tool position saving compound tool according to claim 1, wherein: the diameter of the rotating circumference of the finishing cutting edge (9) is 0.01 mm larger than the diameter of the largest rotating circumference of the drill edge (11).

6. The compound tool for saving tool space of claim 5, wherein: the number of the fine trimming blades (9) is 3.

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