CN216575742U - Tungsten steel coating round nose milling cutter - Google Patents

Abstract

The utility model discloses a tungsten steel coating round nose milling cutter, belonging to the technical field of milling cutters, the tungsten steel coating round nose milling cutter comprises a milling cutter handle part and a milling cutter blade part movably connected with the milling cutter handle part, the upper end of the milling cutter handle part is provided with a longitudinal sliding chute and a directional chute which are mutually communicated, the side wall of the milling cutter handle part is also provided with a pair of first threaded holes, the pair of first threaded holes are also communicated with the directional chute, the top end of the milling cutter blade part is fixedly connected with a milling cutter head, the left side wall and the right side wall of the milling cutter blade part, which are close to one end of the milling cutter handle part, are respectively and fixedly connected with a positioning block, the milling cutter blade part is in sliding connection with the longitudinal sliding chute, the pair of positioning blocks are respectively and slidably connected with the directional chute, the inner ends of the milling cutter blade part and the positioning blocks are respectively provided with a second threaded hole, so that personnel can rapidly replace the milling cutter head or the blade part of the round nose milling cutter after being worn, and effectively guarantee the precision and the size of a processed workpiece, the phase change improves the processing performance of the milling machine.

Description

A tungsten steel coated round nose milling cutter

technical field

The utility model relates to the technical field of milling cutters, in particular to a tungsten steel coating round nose milling cutter.

Background technique

A milling cutter is a rotary tool with one or more teeth for milling. Each tooth cuts off the allowance of the workpiece intermittently during operation. The milling cutter is mainly used for machining planes, steps and grooves on a milling machine. Slots, forming surfaces and cutting workpieces, etc., are divided into end mills, ball cutters, saw blade cutters, round nose cutters and other types according to the product type.

Bangsa and Lagolan in the United States developed a physical vapor deposition method to coat a hard layer of titanium carbide or titanium nitride on the surface of a cemented carbide or high-speed steel tool. The surface coating method combines the high strength and toughness of the base material with the The combination of high hardness and wear resistance of the surface layer makes this composite material have better cutting performance. The round nose milling cutter is one of the tools made of this material. The round nose milling cutter is mainly used for Milling the end face, inclined surface or groove and other related parts of the mechanical workpiece, and the cutting edge at the front end is used for cutting processing, which is widely used in the processing field of related mechanical workpieces. It is easy to wear and tear, and the continued use of the worn cutter head and blade will cause deviations in the accuracy and size of the machined workpiece, which will affect the machining performance of the milling machine. In order to ensure the machining accuracy of the parts, it is necessary to replace the milling cutter frequently. The knife is inconvenient for workers to replace, and it is time-consuming and laborious to operate.

Utility model content

1. Technical problems to be solved

In view of the problems existing in the prior art, the purpose of this utility model is to provide a tungsten steel coated round nose milling cutter, which can realize that the personnel can quickly carry out the milling operation after the cutter head or the cutting edge of the round nose milling cutter is worn out. It can effectively guarantee the accuracy and size of the processed workpiece, and improve the processing performance of the milling machine in disguised form.

2. Technical solutions

In order to solve the above problems, the present invention adopts the following technical solutions.

A tungsten steel coated round nose milling cutter, comprising a milling cutter handle and a milling cutter blade movably connected with it, the upper end of the milling cutter handle is provided with a longitudinal chute and an orientation groove that communicate with each other, and a pair of The orientation grooves are located on the left and right sides of the longitudinal chute respectively, and a pair of first threaded holes are also opened on the side walls of the milling cutter shank, and the pair of first threaded holes are also communicated with the orientation slots. A milling cutter head is fixedly connected to the top of the milling cutter, and positioning blocks are fixedly connected to the left and right side walls of the milling cutter blade near one end of the milling cutter handle. The milling cutter blade is slidably connected to the longitudinal chute, and a The positioning blocks are all slidably connected with the orientation grooves, the milling cutter blade and the inner end of the positioning block are both provided with second threaded holes, and a pair of first threaded holes and the second threaded holes are both threadedly connected with fixed threaded holes. Screws, the inner bottom end of the longitudinal chute is embedded with a first magnetic block, and the end of the milling cutter blade close to the longitudinal chute is embedded with a second magnetic block, so that personnel can use the cutter head of the round nose milling cutter. Or the blade can be replaced quickly after it is worn, which can effectively guarantee the accuracy and size of the workpiece, and improve the processing performance of the milling machine in disguised form.

Further, the orientation groove is an arc-shaped orientation slot, the shape of the positioning block is matched with it, and the height of the positioning block is consistent with the groove depth of the orientation slot. The slot and the positioning block are convenient for aligning the first threaded hole and the second threaded hole, the diameters of the first threaded hole and the second threaded hole are the same, and the lower end of the milling cutter blade is located behind the inner bottom end of the longitudinal chute , the first threaded hole and the second threaded hole are on the same horizontal line to ensure that the fixing screw can be connected with the first threaded hole and the second threaded hole at the same time.

Further, the magnetic poles at one end of the first magnetic block and the second magnetic block that are close to each other are opposite, and the magnetic force between the first magnetic block and the second magnetic block attracts each other, so that the milling cutter blade is placed in the longitudinal chute. , it is easier to connect with the inner bottom end of the longitudinal chute, further ensuring that the first threaded hole and the second threaded hole are on the same horizontal line, and at the same time increasing the stability.

Further, the outer end of the screwing part of the fixing screw is sleeved with a rubber layer, and the rubber layer is engraved with anti-skid patterns, which increases the friction between the fingers of the person and the screwing part of the fixing screw, and wears on the edge of the milling cutter. When replacement is required, it takes less effort to turn the set screw.

3. Beneficial effects

Compared with the prior art, the advantages of the present utility model are:

(1) This solution can realize that personnel can quickly replace the cutter head or blade of the round nose milling cutter after it is worn out, effectively guarantee the precision and size of the workpiece, and improve the machining performance of the milling machine in disguised form.

(2) The orientation slot is an arc orientation slot, the shape of the positioning block matches it, and the height of the positioning block is consistent with the groove depth of the orientation slot. It is convenient to align the first threaded hole and the second threaded hole, the diameters of the first threaded hole and the second threaded hole are the same, and the lower end of the milling cutter blade is located behind the inner bottom end of the longitudinal chute, and the first threaded hole is the same as the second threaded hole. The second threaded holes are on the same horizontal line to ensure that the fixing screw can be connected with the first threaded hole and the second threaded hole at the same time.

(3) The magnetic poles at the end of the first magnetic block and the second magnetic block that are close to each other are opposite to each other, and the magnetic force between the first magnetic block and the second magnetic block attracts each other, so that after the milling cutter blade is put into the longitudinal chute, it is easier to It is connected with the inner bottom end of the longitudinal chute to further ensure that the first threaded hole and the second threaded hole are on the same horizontal line, and at the same time increase the stability.

(4) The outer end of the fixing screw is provided with a rubber layer, and the rubber layer is engraved with anti-slip lines to increase the friction between the personnel's fingers and the fixing screw. When the blade of the milling cutter needs to be replaced, Less effort is required when turning the set screw.

Description of drawings

Fig. 1 is the structural representation of the main body of the utility model;

Fig. 2 is an enlarged view at A of Fig. 1;

Figure 3 is a sectional view when the shank of the milling cutter is connected with the cutting edge of the milling cutter;

Fig. 4 is the top sectional view of the shank of the milling cutter;

FIG. 5 is a bottom cross-sectional view of the cutting edge of the milling cutter.

Description of the labels in the figure:

1 Milling tool shank, 11 Longitudinal sliding slot, 12 Orientation slot, 13 First threaded hole, 14 First magnetic block, 2 Milling cutter blade, 21 Milling cutter head, 22 Positioning block, 23 Second threaded hole, 24 The second magnetic block, 3 fixing screws.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. For example, based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top/bottom", etc. is based on the drawings shown in the drawings. The orientation or positional relationship is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limit. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "provided with", "sleeve/connection", "connection", etc., should be understood in a broad sense, such as "Connection" 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 or an indirect connection through an intermediate medium, and it can be two elements Internal connectivity. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Example 1:

Please refer to Fig. 1-5, a tungsten steel coated round nose milling cutter includes a milling cutter shank 1 and a milling cutter blade 2 movably connected with it. Slot 11 and orientation slot 12, and a pair of orientation slots 12 are located on the left and right sides of the longitudinal chute 11 respectively, a pair of first threaded holes 13 are also opened on the side wall of the milling cutter shank 1, and a pair of first threaded holes 13 is also communicated with the orientation groove 12, the top end of the milling cutter blade 2 is fixedly connected with a milling cutter head 21, the outer end of the milling cutter head 21 is coated with a tungsten steel coating, and the milling cutter blade 2 is close to the milling cutter handle. Positioning blocks 22 are fixedly connected to the left and right side walls of one end of the part 1. The milling cutter blade 2 is slidably connected to the longitudinal chute 11. A pair of positioning blocks 22 are both slidably connected to the orientation groove 12. The inner end of the block 22 is provided with a second threaded hole 23, and a pair of the first threaded hole 13 and the second threaded hole 23 are both screwed with a fixing screw 3, and the inner bottom end of the longitudinal slide groove 11 is embedded with a first threaded hole 23. In the magnetic block 14 , a second magnetic block 24 is embedded in one end of the milling cutter blade 2 close to the longitudinal sliding groove 11 .

Please refer to Fig. 3-5, the orientation slot 12 is an arc orientation slot, the shape of the positioning block 22 is matched with it, and the height of the positioning block 22 is consistent with the groove depth of the orientation slot 12. When replacing, it is convenient to align the first threaded hole 13 and the second threaded hole 23 through the orientation groove 12 and the positioning block 22. After the lower end is located at the inner bottom end of the longitudinal chute 11 , the first threaded hole 13 and the second threaded hole 23 are on the same horizontal line to ensure that the fixing screw 3 can be connected to the first threaded hole 13 and the second threaded hole 23 at the same time.

Referring to FIG. 1 , the magnetic poles at the ends of the first magnetic block 14 and the second magnetic block 24 that are close to each other are opposite to each other. After entering the longitudinal chute 11, it is easier to connect with the inner bottom end of the longitudinal chute 11, further ensuring that the first threaded hole 13 and the second threaded hole 23 are on the same horizontal line, and at the same time increasing the stability.

Please refer to Figure 1-2, the outer end of the fixing screw 3 is covered with a rubber layer, and the rubber layer is engraved with anti-slip patterns to increase the friction between the personnel's fingers and the fixing screw 3. When the part 2 is worn and needs to be replaced, it is more labor-saving to turn the fixing screw 3.

When in use, when installing, first align the positioning block 22 with the orientation groove 12, and press the milling cutter blade 2 downward. At this time, the magnetic force of the first magnetic block 14 and the second magnetic A threaded hole 13 and the second threaded hole 23 are on the same level, and then the first threaded hole 13 and the second threaded hole 23 are connected by the fixing screw 3 to complete the installation; When wear occurs during use, first, unscrew the fixing screw 3 from the first threaded hole 13 and the second threaded hole 23, then hold the end of the milling cutter blade 2 close to the milling cutter handle 1 and pull it upwards That is, compared with the prior art, the utility model can realize that the personnel can quickly replace the cutter head or the blade part of the round nose milling cutter after it is worn out, so as to provide an effective guarantee for the precision and size of the processed workpiece, and in a disguised form to improve the machining performance of the milling machine.

The above descriptions are only preferred specific embodiments of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its improvement concept, equivalently replaces or changes, should be covered within the protection scope of the present utility model.

Claims (5)

1. The utility model provides a tungsten steel coating round nose milling cutter, includes milling cutter stalk portion (1) and swing joint's milling cutter cutting part (2) with it, its characterized in that: the upper end of the milling cutter handle part (1) is provided with a longitudinal sliding groove (11) and a directional groove (12) which are communicated with each other, the pair of directional grooves (12) are respectively positioned at the left side and the right side of the longitudinal sliding groove (11), the side wall of the milling cutter handle part (1) is also provided with a pair of first threaded holes (13), the pair of first threaded holes (13) are also communicated with the directional grooves (12), the top end of the milling cutter blade part (2) is fixedly connected with a milling cutter head (21), the left side wall and the right side wall of one end, close to the milling cutter handle part (1), of the milling cutter blade part (2) are fixedly connected with positioning blocks (22), the milling cutter blade part (2) is slidably connected with the longitudinal sliding groove (11), the pair of positioning blocks (22) are slidably connected with the directional groove (12), the inner ends of the milling cutter blade part (2) and the positioning blocks (22) are respectively provided with second threaded holes (23), and the pair of first threaded holes (13) and the second threaded holes (23) are respectively screwed with fixing screws (3), the inner bottom end of the longitudinal sliding groove (11) is embedded with a first magnetic block (14), and one end of the milling cutter blade part (2) close to the longitudinal sliding groove (11) is embedded with a second magnetic block (24).

2. The tungsten steel coated nose mill according to claim 1, wherein: the orientation groove (12) is an arc-shaped orientation groove, the shape of the positioning block (22) is matched with the orientation groove, and the height of the positioning block (22) is consistent with the depth of the orientation groove (12).

3. The tungsten steel coated nose mill according to claim 1, wherein: the first threaded hole (13) is consistent with the second threaded hole (23) in aperture size, the lower end of the milling cutter blade part (2) is located behind the inner bottom end of the longitudinal sliding groove (11), and the first threaded hole (13) and the second threaded hole (23) are located on the same horizontal line.

4. The tungsten steel coated nose mill according to claim 1, wherein: the magnetic poles of the ends of the first magnetic block (14) and the second magnetic block (24) close to each other are opposite.

5. The tungsten steel coated nose mill according to claim 1, wherein: the outer end of the screwing part of the fixing screw (3) is sleeved with a rubber layer, and anti-skid grains are carved on the rubber layer.

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