CN211939168U - Three-link phase cutting hole machining tool assembly for copper cooling wall - Google Patents
Three-link phase cutting hole machining tool assembly for copper cooling wall Download PDFInfo
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- CN211939168U CN211939168U CN201921725326.5U CN201921725326U CN211939168U CN 211939168 U CN211939168 U CN 211939168U CN 201921725326 U CN201921725326 U CN 201921725326U CN 211939168 U CN211939168 U CN 211939168U
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Abstract
The utility model discloses a three-link cutting hole machining tool assembly for copper cooling walls, which is characterized in that a guide groove is arranged on a drill bit body, the guide groove can realize the guide of the drill bit body during deep hole machining, and meanwhile, when machining is carried out on a deep area, a drill bit extension bar is additionally arranged on the drill bit body, a plurality of guide bulges are machined on the outer wall of the drill bit extension bar, through the structure arrangement, the drill bit body adopts the appearance design with a spiral guide groove, the guide function of the spiral guide groove is to reduce the vibration of the drill bit body at an inlet, the guide capacity of the drill bit body is improved, and the hole deflection is reduced; when a deep hole is machined, the guide protrusions on the outer wall of the drill extension rod can effectively achieve extension guide, and further stability during machining of the middle hole is guaranteed.
Description
Technical Field
The utility model relates to a processing technology field that copper cooling wall three links cut the hole mutually specifically discloses a copper cooling wall three links cut hole processing cutter subassembly mutually.
Background
At present, in the technical field of iron and steel smelting, in order to achieve a better physical cooling effect, a cooling device is generally arranged in a blast furnace, and a three-link cutting hole of a copper cooling wall is widely used in the industry as a component with higher heat dissipation efficiency, and the specific structure of the three-link cutting hole of the copper cooling wall is shown in fig. 1 and consists of three connected holes.
When three-link cutting holes of a copper cooling wall are machined by an existing common BTA inner chip removal deep hole drill, when a middle hole is machined, the left side and the right side of a cutter are free of supporting and guiding, the problem that the machined hole is seriously inclined exists, and the machining result cannot meet the actual process requirement.
As a mechanical processing technician, the accurate and rapid processing of the copper cooling wall three-link cutting hole can be realized by carrying out technical improvement on a cutter and an auxiliary tool through a new processing cutter and a new auxiliary tool and a novel process.
Disclosure of Invention
Reference and the shortcoming in the prior art, the utility model aims to provide a copper cooling wall three-link cuts hole processing cutter subassembly mutually, and it can realize the stable processing in copper cooling wall three-link cuts hole mutually through neotype structure, makes its further improvement on the stability of machining speed and machining precision.
The specific technical scheme adopted is as follows:
a three-link cutting hole machining tool assembly for a copper cooling wall comprises a drill bit body, wherein the drill bit body is designed in an inner chip removal structure, connecting threads are arranged at the right end of the drill bit body, a tool body is arranged at the left side of the connecting threads, a tool bit is arranged at the left end of the tool body, the tool bit is arranged in a taper structure, and a chip removal hole is formed in the tool bit and is connected with a chip removal channel at the center of the drill bit body into a whole; a circle of guide groove is spirally wound on the outer diameter of the cutter body;
the right side of the drill bit body is connected with a drill bit extension bar, the drill bit extension bar comprises a hollow bar body, the right end of the hollow bar body is provided with a driving connection external thread, and one end connected with the drill bit body is provided with a drill bit connection cavity and a drill bit connection internal thread; a plurality of guide bulges are transversely arranged on the outer diameter of the hollow rod body;
two inner cores with drill bit body cooperation use, every inner core all include a columnar insertion section, the insertion section on be provided with the cutter and dodge the groove, control two inner cores cooperation use back both middles and formed the region of a circular shape drill bit body work.
A fixed block is fixed on the top surface of each inner core respectively, and the fixed blocks are arranged in a square structure; a sealing plate is arranged in a matching way with the fixed block, a cutter through hole is arranged at the center of the sealing plate, a clamping groove is arranged on the back surface of the sealing plate, the width size of the clamping groove is matched with that of the fixed block, and the standard that the fixed block does not shake after being placed in the clamping groove is taken as a standard; the length of the clamping groove is based on the fact that the two fixing blocks cannot move left and right after being placed in the clamping groove.
The plurality of guide bulges on the drill bit extension bar are uniformly distributed by taking the central line of the drill bit body as an axis.
The utility model has the advantages that: the utility model adopts the above structure setting, it will be through setting up the guide way on the drill bit body, can realize the direction of drill bit body when carrying out deep hole processing through the guide way, simultaneously, when processing in the region of the position is darker, through installing drill bit extension bar additional on the drill bit body, the outer wall of drill bit extension bar on process and have a plurality of direction archs, through above structure setting, the drill bit body adopts the appearance design of taking spiral guide way, the guide effect of spiral guide way is to reduce the vibration of drill bit body at the entrance, improves the guide ability of drill bit body, reduces the hole incline; when a deep hole is machined, the guide protrusions on the outer wall of the drill extension rod can effectively achieve extension guide, and further stability during machining of the middle hole is guaranteed.
The utility model discloses the product can thoroughly solve the incline problem of processing the deep hole, has proved feasibility, the accurate nature of this copper cooling wall three-link looks cutting hole processing cutter subassembly through a large amount of reality verification.
Drawings
The structure of the device of the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a copper cooling wall three-link cutting hole workpiece;
FIG. 2 is a schematic view of the three-dimensional structure of the drill bit body of the present invention;
FIG. 3 is a schematic view of the drill body of the present invention;
FIG. 4 is a schematic view of the three-dimensional structure of the extension rod of the drill of the present invention;
FIG. 5 is a schematic view of the extension rod of the drill of the present invention;
fig. 6 is a schematic view of the three-dimensional structure of the inner core of the present invention;
fig. 7 is a schematic perspective view of the sealing plate of the present invention;
fig. 8 is a schematic view of the sealing plate of the present invention;
FIG. 9 is a schematic view of the assembly structure of the sealing plate and the inner core of the present invention;
1. the copper cooling wall three-link cutting hole workpiece comprises a copper cooling wall three-link cutting hole workpiece, 10 three-link cutting holes, 2 a drill bit body, 21 connecting threads, 22 a cutter body, 23 a guide groove, 24 a chip removal hole, 25 a cutter head, 26 a blade, 3 a drill bit extension bar, 31 a driving connecting external thread, 32 a hollow rod body, 33 a guide protrusion, 34 a drill bit connecting internal thread, 35 a drill bit connecting cavity, 36 a chip removal groove, 4 an inner core, 41 a fixing block, 42 an insertion section, 43 a cutter avoiding groove, 5 a sealing plate, 51 a sealing ring fixing groove, 52 a clamping groove, 53 and a cutter through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of specific structures and features of the invention, and are not to be considered as limiting the invention.
As shown in fig. 2 and fig. 3, a copper cooling wall three-link cutting hole machining tool assembly comprises a drill bit body 2, wherein the drill bit body 2 is designed to be of an inner chip removal structure, a connecting thread 21 is arranged at the right end of the drill bit body for being connected with an external driving part, a cutter body 22 is arranged at the left side of the connecting thread 21, a cutter head 25 is arranged at the left end of the cutter body 22, the cutter head 25 is arranged in a taper structure, and a chip removal hole 24 is formed in the cutter head 25 and is connected with a chip removal channel at the center of the drill bit body 2 into a whole; a circle of guide groove 23 is spirally wound on the outer diameter of the cutter body 22, and the section of the guide groove is in a square structure; the guide groove 23 is used for reducing the vibration of the drill bit body at an inlet, improving the guiding capacity of the drill bit body 2 and reducing the hole deflection, the design needs to restrict the drill bit body 2 not to be too short, the too short drill bit body cannot play a guiding role, the too long drill bit body not only wastes materials, but also causes the increase of friction torque, and the cutter is easy to get cut; the long-time test shows that the setting length of the drill bit body 2 is optimal within the range of 8-10 times of the diameter of the drill bit body. When drilling operation is carried out, cooling liquid enters a workpiece cutting area from the guide groove 23, and the cooling liquid lubricates and cools the cutting area and simultaneously removes chips and discharges the chips to a chip removal machine and an oil tank.
As shown in fig. 4 and 5, the right side of the drill body 2 is connected with the drill extension bar 3, the drill extension bar 3 comprises a hollow bar body 32, the right end of the hollow bar body 32 is provided with a driving connection external thread 31, and one end connected with the drill body 2 is provided with a drill connection cavity 35 and a drill connection internal thread 34; a plurality of guide protrusions 33 are transversely arranged on the outer diameter of the hollow rod body 32; the design of drill extension bar can reduce the vibration of drill at entry and deep-processing department, because of the direction key length on the drill body 2 is limited, through the protruding 33's of direction design on the external diameter of the hollow body of rod 32, can effectual improvement drill body 2's guide ability, reduces the hole skew. The drill bit extension bar on a plurality of direction protruding use drill bit body central line as the axis equipartition setting, many direction protruding equipartitions set up the stability drill bit body that can step forward, can effectively promote work piece inner wall smoothness.
The following explanation of the specific use of the drill body 2 and the drill extension bar 3 is made by way of specific examples:
firstly, machining holes on the left side and the right side in three-link cutting holes of a copper cooling wall by matching a drill bit body 2 with a drill bit extension bar 3, and enabling a blank workpiece to be used;
secondly, inserting the two inner cores 4 into the holes on the left side and the right side in the machined three-link cutting holes of the copper cooling wall respectively; the inner cores 4 are auxiliary workpieces matched with the drill bit body for use, as shown in fig. 6, each inner core 4 comprises a columnar insertion section 42, the insertion section 42 is provided with a cutter avoiding groove 43, and in a use state, after the left inner core 4 and the right inner core 4 are matched for use, a circular drill bit body 2 working area is formed between the left inner core and the right inner core.
And thirdly, buckling the sealing plate 41 on the fixing blocks above the two inner cores 4, and fixing the two inner cores 4 and the sealing plate 5 into a whole, wherein the fixing structure is as shown in the figure: a fixed block 41 is respectively fixed on the top surface of each inner core 4, and the fixed blocks 41 are arranged in a square structure; a sealing plate 5 is arranged in a matching way with the fixing block 41, a cutter through hole 53 is arranged at the center of the sealing plate 5, a clamping groove 52 is arranged on the back surface of the sealing plate 5, the width dimension of the clamping groove 52 is matched with that of the fixing block 41, and the fixing block 41 is not shaken after being placed in the clamping groove as a standard; the length of the clamping groove 52 is based on the fact that the two fixing blocks 41 cannot move left and right after being placed in the clamping groove, a circle of sealing ring fixing grooves 51 are formed in the periphery of the sealing plate 5, sealing performance between the lower portion of the sealing plate 41 and the outside can be achieved through the sealing ring fixing grooves 51, and foreign impurities or cutting chips are prevented from being mixed in machining.
Through above structure setting, when processing the mesopore in copper cooling wall three-link cutting hole, two inner cores 4 have been put in the hole that both sides have bored, play direction and limiting displacement, and closing plate 5, closing plate 5's effect is placed to 4 front ends of inner core: firstly, sealing and secondly, preventing the inner core 4 from rotating.
Fourthly, after the structure is arranged, the drill bit body 2 is connected with an external driving device, a center hole is machined after the drill bit body 2 is driven, after the drill bit body 2 is machined to a depth of 150 mm, the external driving connection thread of the drill bit extension rod 3 is connected with the external driving device into a whole, and the drill bit connection internal thread end of the drill bit body 2 and the drill bit extension rod 3 is connected with the external driving device to drive the external driving device to machine the middle hole of the copper cooling wall three-link cutting hole.
To summarize: the utility model discloses the product cooperates this processing technology can thoroughly solve the incline problem of processing the deep hole, has proved feasibility, the accurate nature of this copper cooling wall three-link looks cutting hole processing cutter subassembly through a large amount of reality verification. The cutter and the accessories are successfully applied to enterprises through the process, the process structure is reasonable, the efficiency is high, the stability is good, and the difficulty of enterprise production is solved.
Claims (4)
1. A three-link cutting hole processing cutter component of a copper cooling wall,
it includes a drill bit body, its characterized in that: the drill bit body is designed to be of an internal chip removal structure, the right end of the drill bit body is provided with a connecting thread, the left side of the connecting thread is provided with a cutter body, the left end of the cutter body is provided with a cutter head, the cutter head is arranged in a taper structure, and a chip removal hole is formed in the cutter head and is connected with a chip removal channel at the center of the drill bit body into a whole; a circle of guide groove is spirally wound on the outer diameter of the cutter body;
the right side of the drill bit body is connected with a drill bit extension bar, the drill bit extension bar comprises a hollow bar body, the right end of the hollow bar body is provided with a driving connection external thread, and one end connected with the drill bit body is provided with a drill bit connection cavity and a drill bit connection internal thread; a plurality of guide bulges are transversely arranged on the outer diameter of the hollow rod body;
two inner cores with drill bit body cooperation use, every inner core all include a columnar insertion section, the insertion section on be provided with the cutter and dodge the groove, control two inner cores cooperation use back both middles and formed the region of a circular shape drill bit body work.
2. The copper cooling wall three-link cutting hole machining tool assembly of claim 1, wherein: the setting length of the drill bit body is 8-10 times of the diameter of the drill bit body.
3. The copper cooling wall three-link cutting hole machining tool assembly of claim 1, wherein: a fixed block is fixed on the top surface of each inner core respectively, and the fixed blocks are arranged in a square structure; a sealing plate is arranged in a matching way with the fixed block, a cutter through hole is arranged at the center of the sealing plate, a clamping groove is arranged on the back surface of the sealing plate, the width size of the clamping groove is matched with that of the fixed block, and the standard that the fixed block does not shake after being placed in the clamping groove is taken as a standard; the length of the clamping groove is based on the fact that the two fixing blocks cannot move left and right after being placed in the clamping groove.
4. The copper cooling wall three-link cutting hole machining tool assembly of claim 1, wherein: the plurality of guide bulges on the drill bit extension bar are uniformly distributed by taking the central line of the drill bit body as an axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921725326.5U CN211939168U (en) | 2019-10-15 | 2019-10-15 | Three-link phase cutting hole machining tool assembly for copper cooling wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921725326.5U CN211939168U (en) | 2019-10-15 | 2019-10-15 | Three-link phase cutting hole machining tool assembly for copper cooling wall |
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| CN211939168U true CN211939168U (en) | 2020-11-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539018A (en) * | 2019-10-15 | 2019-12-06 | 德州三嘉机器制造有限公司 | Copper cooling wall three-link phase cutting hole machining tool and machining process |
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2019
- 2019-10-15 CN CN201921725326.5U patent/CN211939168U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539018A (en) * | 2019-10-15 | 2019-12-06 | 德州三嘉机器制造有限公司 | Copper cooling wall three-link phase cutting hole machining tool and machining process |
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