CN213410628U - Deep cavity elongated hole cutting processing utensil - Google Patents
Deep cavity elongated hole cutting processing utensil Download PDFInfo
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- CN213410628U CN213410628U CN202022119464.8U CN202022119464U CN213410628U CN 213410628 U CN213410628 U CN 213410628U CN 202022119464 U CN202022119464 U CN 202022119464U CN 213410628 U CN213410628 U CN 213410628U
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- cutter
- sleeve
- cutting tool
- elongated hole
- deep cavity
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Abstract
The utility model provides a deep cavity elongated hole cutting process utensil, include the cutter and increase the journey device, increase the journey device and include sleeve, a range regulation spiral shell section of thick bamboo and lower sleeve, range regulation spiral shell section of thick bamboo upper end and last telescopic one end spiro union go up the telescopic other end and are used for the clamping on the lathe main shaft, range regulation spiral shell section of thick bamboo lower extreme and lower telescopic one end spiro union, the lower telescopic other end with be used for the clamping cutter. Adopt the technical scheme of the utility model, the process range of cutter has been increased through increasing the journey device, make cutting tool can go deep into to carry out cutting process within the work piece degree of depth inner chamber, through adjusting journey screw section of thick bamboo and upper sleeve or telescopic screw-thread fit length down, can adjust the length that increases the journey device, cutting tool's range of application has been enlarged, in addition, through set up cold hole in increasing the journey device, cold hole and set up interior cold hole in the cutter down, effectively cool off the cutter in the cutting process, the influence of cutting heat has been reduced, the life of cutter has been prolonged.
Description
Technical Field
The utility model belongs to the technical field of the mechanical manufacturing process, especially, relate to a deep cavity elongated hole cutting process utensil.
Background
At present, hole characteristic elements generally adopt a drilling method, however, when a surface to be machined of a workpiece is positioned in a deep inner cavity of the workpiece, a conventional drill cannot extend into the deep inner cavity, the conventional cutting method is difficult to apply, under the condition, an ultra-long drill with a corresponding length needs to be manufactured, and the ultra-long drill has the following defects in use: firstly, due to the limitation of the structural size of parts, the overall rigidity of the ultra-long drill bit is poor, the phenomena of deflection, tool vibration and tool hitting are easily caused due to the influence of cutting force during machining, the cutter drills to a certain depth, the torque is larger and larger, the cutter head vibrates along with the cutter, and the cutter is easy to break when the torque is larger than a certain value; secondly, as the hole is small and deep and the scrap removal channel is long, as the hole is drilled deeper and deeper, scrap iron is easy to accumulate at the bottom of the hole, so that thick scrap iron is accumulated at the bottom of the hole and cannot be removed easily; and thirdly, due to the accumulation of scrap iron, heat generated by cutting is not easy to remove, and the cutter and the part are easy to be damaged, so that the size precision of the hole of the part cannot meet the design requirement.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a deep cavity elongated hole cutting machining utensil.
The utility model discloses a following technical scheme can realize.
The utility model provides a deep cavity elongated hole cutting process utensil, include the cutter and increase the journey device, it includes sleeve, a range regulation spiral shell section of thick bamboo and lower sleeve to increase the journey device, a range regulation spiral shell section of thick bamboo upper end with go up telescopic one end spiro union, it is used for the clamping on the lathe main shaft to go up the telescopic other end, a range regulation spiral shell section of thick bamboo lower extreme with lower telescopic one end spiro union, the lower telescopic other end is used for the clamping the cutter.
The upper sleeve is internally provided with an upper cold hole, the lower sleeve is internally provided with a lower cold hole, the cutter is internally provided with an inner cold hole, when the upper sleeve is connected with the lower sleeve through the stroke adjusting screw barrel, the upper cold hole is communicated with the lower cold hole, and when the cutter is connected with the stroke increasing device, the inner cold hole is communicated with the upper cold hole or the lower cold hole.
The cutter comprises a cutter bar, a cutter body and a cutter head, wherein the cutter bar, the cutter body and the cutter head are sequentially connected end to end, a spiral cutting edge is arranged on the outer peripheral surface of the cutter head, and the internal cooling hole sequentially penetrates through the cutter bar, the cutter body and the cutter head.
The cutter arbor external diameter is greater than the tool bit external diameter, the cutter body is the cone shape.
The number of the blades is 2.
The tail end of the cutter head is provided with a conical cutter point, and the vertex angle of the conical cutter point is 135-140 degrees.
The cutter is a drill bit or a reamer.
The cutter is made of hard alloy.
The machine tool is a drilling machine.
The beneficial effects of the utility model reside in that: by adopting the technical proposal of the utility model, the range of the cutting tool is increased by adding the range-increasing device, the cutting tool can be deeply inserted into the inner cavity of the depth of the workpiece for cutting, the length of the range-increasing device can be adjusted by adjusting the matching length of the thread of the range-adjusting screw cylinder and the upper sleeve or the lower sleeve, thereby meeting various requirements and expanding the application range of the cutting tool, in addition, the overall dimension of the range-increasing device is gradually decreased from big to small, thereby increasing the integral strength and rigidity of the cutting tool, avoiding the phenomena of deflection, cutter vibration, cutter beating and the like as far as possible, in addition, a chip cutting groove is formed between any two adjacent cutting edges on the tool bit, thus facilitating the discharge of scrap iron generated in the processing process, and the cutting tool in the processing process is fully cooled by arranging an upper cooling hole, a lower cooling hole and an inner cooling hole in the tool, the influence of cutting heat on the cutting tool can be reduced, and the service life of the cutting tool is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the range extender of the present invention;
fig. 3 is a schematic structural diagram of the cutter of the present invention.
In the figure: 1-cutter, 2-range extending device, 3-upper sleeve, 4-range adjusting screw cylinder, 5-lower sleeve, 6-cutter bar, 7-cutter body, 8-cutter head and 9-cutter point.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a deep cavity elongated hole cutting process utensil, including cutter 1 and increase journey device 2, increase journey device 2 and include upper sleeve 3, a range regulation barrel 4 and lower sleeve 5, the one end spiro union of 4 upper ends of range regulation barrel and upper sleeve 3, the other end of upper sleeve 3 is used for the clamping on the lathe main shaft, the one end spiro union of 4 lower extremes of range regulation barrel and lower sleeve 5, the other end of lower sleeve 5 is used for clamping cutter 1.
In addition, an upper cold hole is formed in the upper sleeve 3, a lower cold hole is formed in the lower sleeve 5, an inner cold hole is formed in the cutter 1, when the upper sleeve 3 is connected with the lower sleeve 5 through the stroke adjusting screw barrel 4, the upper cold hole is communicated with the lower cold hole, and when the cutter 1 is connected with the stroke increasing device 2, the inner cold hole is communicated with the upper cold hole or the lower cold hole.
Further, the cutter 1 comprises a cutter bar 6, a cutter body 7 and a cutter head 8, the cutter bar 6, the cutter body 7 and the cutter head 8 are sequentially connected end to end, a spiral cutting edge is arranged on the outer peripheral surface of the cutter head 8, and an inner cooling hole sequentially penetrates through the cutter bar 6, the cutter body 7 and the cutter head 8. Preferably, the outer diameter of the cutter bar 6 is larger than that of the cutter head 8, and the cutter body 7 is in a conical shape. The number of the blades is 2. The tail end of the tool bit 8 is provided with a cone-shaped tool nose 9, and the cone apex angle of the tool nose 9 is 135-140 degrees. The tool bit is sharp and wear-resistant.
Preferably, the tool 1 is a drill or a reamer. The material of the tool 1 is cemented carbide. The machine tool is a drilling machine.
By adopting the technical proposal of the utility model, the range of the cutting tool is increased by adding the range-increasing device, the cutting tool can be deeply inserted into the inner cavity of the depth of the workpiece for cutting, the length of the range-increasing device can be adjusted by adjusting the matching length of the thread of the range-adjusting screw cylinder and the upper sleeve or the lower sleeve, thereby meeting various requirements and expanding the application range of the cutting tool, in addition, the overall dimension of the range-increasing device is gradually decreased from big to small, thereby increasing the integral strength and rigidity of the cutting tool, avoiding the phenomena of deflection, cutter vibration, cutter beating and the like as far as possible, in addition, a chip cutting groove is formed between any two adjacent cutting edges on the tool bit, thus facilitating the discharge of scrap iron generated in the processing process, and the cutting tool in the processing process is fully cooled by arranging an upper cooling hole, a lower cooling hole and an inner cooling hole in the tool, the influence of cutting heat on the cutting tool can be reduced, and the service life of the cutting tool is prolonged.
In addition, use this to use novel cutting tool that provides to add man-hour, at first prepare a drill bit and a reamer, make the drill bit link together with the lathe main shaft through increasing the journey device earlier, rotate through lathe main shaft drive drill bit, it waits to process the face to make the drill bit stretch into the work piece inner chamber through increasing the journey device, adopt the formula processing mode of stepping by to carry out drilling processing pore-forming to the work piece, it is in the same place with the lathe main shaft through increasing the journey device again, it rotates through lathe main shaft drive reamer, it makes the reamer stretch into the aforesaid machine-shaping downthehole of work piece inner chamber through increasing the journey device, take out the burr on the downthehole wall through the reamer, once advance machine-shaping.
Claims (9)
1. A deep cavity elongated hole cutting processing apparatus is characterized in that: including cutter (1) and increase journey device (2), increase journey device (2) including last sleeve (3), a regulation spiral shell section of thick bamboo (4) and lower sleeve (5), a regulation spiral shell section of thick bamboo (4) upper end with the one end spiro union of last sleeve (3), the other end of going up sleeve (3) is used for the clamping on the lathe main shaft, a regulation spiral shell section of thick bamboo (4) lower extreme with the one end spiro union of lower sleeve (5), the other end of lower sleeve (5) is used for the clamping cutter (1).
2. The deep cavity elongated hole cutting tool of claim 1, wherein: the upper sleeve (3) is internally provided with an upper cold hole, the lower sleeve (5) is internally provided with a lower cold hole, the cutter (1) is internally provided with an inner cold hole, when the upper sleeve (3) is connected with the lower sleeve (5) through the range adjusting screw barrel (4), the upper cold hole is communicated with the lower cold hole, and when the cutter (1) is connected with the range increasing device (2), the inner cold hole is communicated with the upper cold hole or the lower cold hole.
3. The deep cavity elongated hole cutting tool of claim 2, wherein: the cutter (1) comprises a cutter bar (6), a cutter body (7) and a cutter head (8), the cutter bar (6), the cutter body (7) and the cutter head (8) are sequentially connected end to end, a spiral cutting edge is arranged on the outer peripheral surface of the cutter head (8), and the inner cooling hole sequentially penetrates through the cutter bar (6), the cutter body (7) and the cutter head (8).
4. The deep cavity elongated hole cutting tool of claim 3, wherein: the outer diameter of the cutter bar (6) is larger than that of the cutter head (8), and the cutter body (7) is in a conical shape.
5. The deep cavity elongated hole cutting tool of claim 3, wherein: the number of the blades is 2.
6. The deep cavity elongated hole cutting tool of claim 3, wherein: the tail end of the cutter head (8) is provided with a conical cutter point (9), and the cone vertex angle of the cutter point (9) is 135-140 degrees.
7. The deep cavity elongated hole cutting tool of claim 1, wherein: the cutter (1) is a drill bit or a reamer.
8. The deep cavity elongated hole cutting tool of claim 1, wherein: the cutter (1) is made of hard alloy.
9. The deep cavity elongated hole cutting tool of claim 1, wherein: the machine tool is a drilling machine.
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CN202022119464.8U CN213410628U (en) | 2020-09-24 | 2020-09-24 | Deep cavity elongated hole cutting processing utensil |
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CN202022119464.8U CN213410628U (en) | 2020-09-24 | 2020-09-24 | Deep cavity elongated hole cutting processing utensil |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112620737A (en) * | 2020-12-09 | 2021-04-09 | 贵州黎阳国际制造有限公司 | Deep hole processing device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112620737A (en) * | 2020-12-09 | 2021-04-09 | 贵州黎阳国际制造有限公司 | Deep hole processing device |
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