CN211966071U - Detachable multi-section corn milling cutter - Google Patents
Detachable multi-section corn milling cutter Download PDFInfo
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- CN211966071U CN211966071U CN202020144635.XU CN202020144635U CN211966071U CN 211966071 U CN211966071 U CN 211966071U CN 202020144635 U CN202020144635 U CN 202020144635U CN 211966071 U CN211966071 U CN 211966071U
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Abstract
The utility model belongs to the technical field of the machining equipment of great plane, especially, relate to a but multistage formula maize milling cutter of split, including the cutter body, the handle of a knife of being connected with the cutter body, blade, be equipped with a plurality of chip groove on the cutter body, the blade is fixed in the chip groove that has three locating surface by blade screw, and the cutter body is including dismantling the cutter body basis body, cutter body stack piece, cutter body terminal block that connect in proper order, and cutter body basis body and handle of a knife fixed connection are equipped with the blade of a group and the blade of B group that the alternating expression was installed in the chip groove on the cutter body basis body, cutter body stack piece, the cutter body terminal block respectively. The utility model has the advantages that: adopt split type design, confirm the quantity that needs the installation cutter body stack piece according to the actual processing condition, avoid the user once only to purchase the maize milling cutter of multiple specification performance the same, prevent to appear in the use because of the condition emergence of local damaged whole cutter of loss, improved economical and practical nature, adaptation present market demand.
Description
Technical Field
The utility model belongs to the technical field of the machining equipment in great plane, especially, relate to a but multistage formula corn milling cutter of split.
Background
The milling cutter is a rotary cutter with one or more cutter teeth for milling, and each cutter tooth cuts off the allowance of a workpiece in sequence and intermittently during operation. The milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting workpieces and the like on a milling machine. The corn milling cutter has outstanding advantages mainly in the field of processing of large planes. The cutting area is large due to the fact that the number of the installed blades is large, and therefore machining efficiency can be effectively improved when a large plane is milled at a high speed.
Although the traditional corn milling cutter can greatly improve the processing efficiency, the high price of the traditional corn milling cutter can be prohibitive for many users. Traditional corn milling cutter belongs to the shaping cutter, and to specific work piece and customization, just so cause the customer when using, need prepare a plurality of traditional corn milling cutter to different processing operating modes, intangibly increased the processing cost. How to reduce the cost and improve the economic practicability of the corn milling cutter becomes the problem to be solved urgently by various large cutter manufacturers.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of above-mentioned prior art, the utility model provides a but multistage formula maize milling cutter of split adopts split type design, confirms the quantity that needs installation cutter body stack piece according to the actual processing condition, has avoided the user once only to purchase the maize milling cutter of multiple specification performance the same, has prevented to appear in the use because of the condition emergence of the whole cutter of local damage loss, has saved the spending, has improved economical and practical, can adapt to present market demand.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the detachable multi-section corn milling cutter is characterized in that the cutter body comprises a cutter body base body, a cutter body superposition block and a cutter body terminal block which are sequentially detachably connected, the cutter body base body is fixedly connected with the cutter handle, the cutter body base body, the cutter body superposition block and the cutter body terminal block are respectively provided with an A group of blades and a B group of blades which are installed in the chip discharge grooves in a staggered mode, and the A group of blades and the B group of blades make up blade edge vacancy mutually, wherein the blade vacancy can reduce the impact on the blades and reduce the cutting resistance.
Preferably, the center of the upper end face of the cutter body stacking block is provided with a first boss, and a first accommodating cavity matched with the first boss is formed in the center of the lower end face of the cutter body stacking block.
Preferably, a first eccentric key block is arranged between the first boss and the upper end face of the cutter body stacking block, a first eccentric key groove connected with the first accommodating cavity and close to the lower end face of the cutter body stacking block is formed in the center of the lower end face of the cutter body stacking block, and the first eccentric key groove is matched with the first eccentric key block in shape.
Preferably, the lower end of the cutter body base body is provided with a second containing cavity and a second eccentric key groove which are matched with the first boss and the first eccentric key block of the cutter body overlapping block, and the upper end of the cutter body terminal block is provided with a second boss and a second eccentric key block which are matched with the first containing cavity and the first eccentric key groove of the cutter body overlapping block.
Preferably, the number of the A group of blades or the B group of blades on the cutter body base body, the cutter body stacking block and the cutter body terminal block is at least two.
Preferably, the side edges of the blades are all 90 ° and all are in a straight line.
Preferably, the side edges of the blades in the group A and the blades in the group B are in the same plane, so that each blade is stressed to be smaller.
Preferably, the cutter body base body and the cutter handle are of an integral structure, and the cutter handle is a BT50 cutter handle.
Preferably, in order to prevent the chip stacking phenomenon, the chip grooves are spiral pin grooves, and the number of the chip grooves is 4.
Preferably, the minimum cutting depth of the blade is 25mm, and the maximum cutting depth is 150 mm.
Preferably, the blade is a hard alloy blade.
The utility model has the advantages that: the group A blades and the group B blades are installed in a staggered mode, the number of installed blades is large, the generated cutting force is small, the deformation generated by a workpiece is small, the stress is small, and the durability and the machining efficiency of the cutter are improved. The cutter body has a large diameter, high cutting speed can be obtained at a lower rotating speed, the chip removal grooves adopt a spiral chip groove design and are matched with a screw high-strength clamping mode, high-stability cutting is realized under a high-load condition, and the phenomenon of chip stacking is effectively prevented. The cutter can be according to the actual conditions of processing scene, and the quantity of cutter body stack piece suitably increases or reduces, only needs to be equipped with the cutter body stack piece always, can realize different processing circumstances, and the cost is reduced maximizes economic practicality. The cutter is fixed with the machine tool through the BT50 cutter handle, the cutter is convenient to replace, the repeated positioning precision is high, all side edges can effectively reduce the generation of part burrs on the same straight line, and the surface quality after machining is very high. The cutter body adopts split type design, confirms the quantity that needs the installation cutter body stack piece according to the actual processing condition, avoids the user once only to purchase the maize milling cutter of multiple specification isosexual ability, prevents that the condition of appearing losing whole cutter because of local damage from taking place in the use, has saved the spending, has improved economic practicality, can adapt to market demand.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a cross-sectional structural view of the present invention;
FIG. 3 is an exploded view of the present invention;
fig. 4 is a structural diagram of the cutter body stacking block of the utility model;
shown in fig. 1, 2, 3, 4: 1. the cutter comprises blades, 2, a positioning surface, 3, a chip groove, 4, a cutter body base body, 5, a cutter body stacking block, 6, a cutter body terminal block, 7, a BT50 cutter handle, 8, a blade screw, 11, a group A of blades, and 12 and a group B of blades.
Detailed Description
The present invention will be described in further detail with reference to the drawings, which are only used for explaining the present invention, and are schematic illustrations of the embodiments of the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the totality can be divided into the triplex, and the first part is the cutter body foundation body to traditional BT50 handle of a knife is the carrier, and there are two sets of effective cutting edges in the cutter body foundation body, and the second part is the cutter body stack piece of removable branch, possess two sets of effective cutting edges equally, in the in-service use, can select the quantity of cutter body stack piece as required in order to satisfy the processing operating mode, and the third part is the cutter body terminal block of removable branch, possess two sets of effective cutting edges equally for fixed cutter body stack piece and cutter body foundation body. The positioning between the cutter body stacking blocks adopts the double matching of the mandrel and the eccentric key block, and the high-precision matching can be ensured. The design can be matched randomly according to the use condition of a user, and at least two groups of effective cutting edges on the cutter body stacking block can be stacked to 12 groups at most. Even if in the use, the cutter body collides with the work piece, the emergence accident, and the customer only need change corresponding cutter body stack piece to reduce the processing cost, effectively improve corn milling cutter's economical and practical. The specific structure is described below.
As shown in fig. 1, fig. 2, fig. 3, and fig. 4, the detachable multi-section corn milling cutter provided by the present invention comprises a blade 1, a positioning surface 2, a chip groove 3, a cutter body, a BT50 handle 7, and a blade screw 8. The cutter body is fixedly connected with a BT50 cutter handle 7, the blades 1 are fixed in the chip-removing grooves 3 by blade screws 8, each chip-removing groove 3 is provided with three positioning surfaces 2, and the number of the positioning surfaces 2 is three times that of the blades 1.
In order to prolong the service life of the blade 1, share the cutting amount and increase the durability, four spiral chip flutes are arranged on the cutter body 4. The total 4 groups of blades 1 are arranged in four spiral chip flutes, so that the cutting amount shared on each blade 1 is not too large, the cutting amount is small, the service life of each blade 1 is naturally prolonged, the frequency of replacing the blades 1 is reduced, and the processing efficiency is improved. The minimum cutting depth of the blade 1 is 25mm, the maximum cutting depth is 150mm, and the high efficiency of processing is ensured; the blade 1 is made of the hard alloy blade 1, and the dry milling and the wet milling work well.
The chip groove 3 adopts a spiral chip groove design and is matched with a screw high-strength clamping mode, high-stability cutting is realized under a high-load condition, the chip stacking phenomenon is effectively prevented, and the weight is also large, so that the rotational inertia is large and the cutting is stable.
The cutter body comprises a cutter body base body 4, a cutter body stacking block 5 and a cutter body terminal block 6 which are detachably connected in sequence, the cutter body base body 4 is fixedly connected with the cutter handle, and the cutter body base body and the cutter handle are of an integral structure; in this embodiment, the cutter body base 4, the cutter body terminal block 6, and the cutter body stacking block 5 are all one, and the fastening screw is one, and the length of the fastening screw is determined according to the number of the cutter body stacking blocks 5. The cutter body base body 4 and the BT50 cutter handle 7 are of an integral structure. The BT50 cutter handle 7 is fixed with a machine tool, so that the cutter is convenient to replace, and the repeated positioning precision is high.
In order to make each connection position pinpoint, convenient the change, adopt dabber cooperation and eccentric key piece complex connected mode, the dabber cooperation can be accurate the axiality after each position installation of assurance, with the location of eccentric key piece, guarantees the position nature and the transmissibility of installation, plays the dual function in transmission and fixed position, changes convenient and fast more. The method specifically comprises the following steps:
set up first boss in cutter body stack 5's up end center department and regard as the dabber, set up the first cavity that holds that matches with first boss in cutter body stack 5 inside center department.
As the utility model discloses an optimal scheme sets up first eccentric key piece between cutter body stack 5's up end center department and first boss, and the terminal surface sets up the first eccentric keyway that meets with first holding cavity under cutter body stack 5, and first eccentric keyway matches with first eccentric key piece shape. Further preferably, a second accommodating cavity and a second eccentric key groove matched with the first boss and the first eccentric key groove of the cutter body superposition block 5 are arranged at the lower end of the cutter body base body 4, and a second boss and a second eccentric key block matched with the first accommodating cavity and the first eccentric key groove of the cutter body superposition block 5 are arranged at the upper end of the cutter body terminal block 6.
The cutter body base body 4, the cutter body superposition block 5 and the cutter body terminal block 6 are detachably connected through the first boss/second boss, the first containing cavity/second containing cavity matched with the first boss/second boss, the first eccentric key groove/second eccentric key groove and the first eccentric key block/second eccentric key block matched with the first eccentric key groove/second eccentric key groove.
The cutter body base body 4, the cutter body superposition block 5 and the cutter body terminal block 6 are respectively provided with an A group of blades 11 and a B group of blades 12 which are installed in the chip groove 3 in a staggered mode, the A group of blades 11 and the B group of blades 12 mutually make up for the vacancy of the cutting edge of the blade 1, and the vacancy of the blade 1 can reduce the impact on the blade 1 and reduce the cutting resistance. Preferably, the number of the group a blades 11 or the group B blades 12 on the cutter body base 4, the cutter body stacking block 5 and the cutter body terminal block 6 is at least two. In this embodiment, the number of each group of a group of blades 11 or each group of B group of blades 12 on the cutter body base 4, the cutter body stacking block 5, and the cutter body terminal block 6 is 2, each group of a group of blades 11 on the entire cutter body has 6, two groups in total, and each group of B group of blades 12 has 6, two groups in total.
Preferably, the side edges of the blade 1 are all 90 degrees and are all on a straight line, so that the generation of part burrs can be effectively reduced, and the quality of a processed surface can be very high.
Preferably, the side edges of the group a and group B blades 11 and 12 are in a plane, so that each blade 1 is less stressed.
The utility model has the advantages of reasonable design, the axial staggered teeth of A group blade 11 and B group blade 12 distributes, effectively reduces the cutting force, and the deformation that the work piece produced is little, and stress is little, has improved the incorruptibility of cutter, has improved the machined surface quality to machining efficiency has been improved.
The utility model discloses a split type design, cutter body basis body 4 is overall structure with BT50 handle of a knife 7, cutter body stack 5 a plurality of, when in actual use, confirm to install several cutter body stack 5 according to the actual processing condition, avoided the user once only to purchase the maize milling cutter of multiple specification performance the same, also prevented to appear in the use because of the condition emergence of the whole cutter of local damage loss, saved the spending, improved economical and practical, can adapt to present market demand.
The above description is illustrative of the embodiments of the present invention and is not intended to limit the invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a but multistage formula maize milling cutter of split, includes cutter body, handle of a knife, the blade of being connected with the cutter body, be equipped with a plurality of chip groove on the cutter body, the blade is fixed by blade screw in the chip groove that has three locating surface, the quantity of locating surface does the triple of blade quantity, its characterized in that the cutter body is including the cutter body basis body, cutter body stack piece, the cutter body terminal block that can dismantle the connection in proper order, the cutter body basis body with handle of a knife fixed connection, the cutter body basis body the cutter body stack piece be equipped with the alternating expression respectively on the cutter body terminal block and install A group's blade and B group's blade in the chip groove.
2. The multi-section corn milling cutter according to claim 1, wherein a first boss is provided at the center of the upper end surface of the cutter body stacking block, and a first receiving cavity matched with the first boss is provided inside the center of the lower end surface of the cutter body stacking block.
3. The multi-section corn milling cutter as claimed in claim 2, wherein a first eccentric key block is disposed between the first boss and the upper end surface of the cutter body stacking block, a first eccentric key slot connected to the first receiving cavity and located near the lower end surface of the cutter body stacking block is disposed in the center of the lower end surface of the cutter body stacking block, and the first eccentric key slot is matched with the first eccentric key block in shape.
4. The multi-sectional corn milling cutter according to claim 3, wherein the lower end of the cutter body base is provided with a second receiving cavity and a second eccentric key groove which are matched with the first boss and the first eccentric key groove of the cutter body stacking block, and the upper end of the cutter body terminal block is provided with a second boss and a second eccentric key groove which are matched with the first receiving cavity and the first eccentric key groove of the cutter body stacking block.
5. The multi-sectional corn milling cutter according to claim 1, wherein the number of the group a or the group B blades on the cutter body base, the cutter body stacking block, the cutter body terminal block is at least two.
6. The multi-sectional corn milling cutter according to claim 1, wherein the side edges of the blades are all 90 ° and are all in a straight line.
7. The multi-section corn milling cutter as set forth in claim 1, wherein the side edges of said group a blades and said group B blades are in a plane.
8. The multi-section corn milling cutter according to claim 1, wherein the cutter body base is of unitary construction with the shank, and the shank is a BT50 shank.
9. The multi-sectional corn milling cutter according to claim 1, wherein the flutes are helical flutes and the number of flutes is 4.
10. The multi-sectional corn milling cutter according to claim 1, wherein the minimum cutting depth of the blades is 25mm and the maximum cutting depth is 150 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020144635.XU CN211966071U (en) | 2020-01-22 | 2020-01-22 | Detachable multi-section corn milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020144635.XU CN211966071U (en) | 2020-01-22 | 2020-01-22 | Detachable multi-section corn milling cutter |
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| Publication Number | Publication Date |
|---|---|
| CN211966071U true CN211966071U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020144635.XU Active CN211966071U (en) | 2020-01-22 | 2020-01-22 | Detachable multi-section corn milling cutter |
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| CN (1) | CN211966071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118106541A (en) * | 2024-04-28 | 2024-05-31 | 赣州澳克泰工具技术有限公司 | Spiral cutting tool |
-
2020
- 2020-01-22 CN CN202020144635.XU patent/CN211966071U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118106541A (en) * | 2024-04-28 | 2024-05-31 | 赣州澳克泰工具技术有限公司 | Spiral cutting tool |
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