CN210412548U - Processing frock of minor diameter toper deep hole - Google Patents
Processing frock of minor diameter toper deep hole Download PDFInfo
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- CN210412548U CN210412548U CN201921017593.7U CN201921017593U CN210412548U CN 210412548 U CN210412548 U CN 210412548U CN 201921017593 U CN201921017593 U CN 201921017593U CN 210412548 U CN210412548 U CN 210412548U
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- cutter bar
- lathe
- tailstock
- bar shaft
- cutter
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Abstract
The utility model relates to a small-diameter conical deep hole processing tool, which comprises a lathe, wherein a chuck is arranged on a lathe head seat of the lathe, an adjustable tailstock scale taper shank is arranged on a tailstock of the lathe, and a tool post is arranged on the lathe between the lathe head seat and the tailstock; the chuck is arranged on the headstock through a bearing seat arranged at the center; one end of a cutter bar shaft of the cutter bar is connected with the bearing, the other end of the cutter bar shaft is connected with an adjustable tailstock scale taper shank arranged on the tailstock, and a cutter bar sleeve is sleeved on the cutter bar shaft; the push rod is fixedly arranged on the cutter platform; the cutter platform is fixed on a slide carriage of the lathe. The utility model discloses the cutter arbor has good rigidity, can bear very big cutting force, and it is big to eat the depth of a knife, and the shock resistance can be good, and the depth of working is big, and processingquality is high, applicable bell mouth, the straight hole product that is less than 200mm, the hole depth in processing diameter for within 3 m.
Description
Technical Field
The utility model relates to a processing frock of minor diameter toper deep hole belongs to taper hole processingequipment technical field.
Background
The copper crucible is important equipment for producing cast ingots in the metallurgical industry, the inner cylinder body part of the copper crucible is made of pure copper with good heat conductivity and quick cooling, the inner cylinder body of the copper crucible is forged into a blank by the pure copper and then is formed by machining, the inner hole diameter of the inner cylinder body of some special copper crucibles is smaller than 200mm, the depth is more than 1m, the inner hole diameter of the products is small, the depth is large, the products have conicity, and the requirements on machining precision and surface quality are higher, so the machining difficulty is large. The inner hole of the existing inner cylinder body is processed by adopting a single-arm cutter bar, the single-arm cutter bar is poor in rigidity and small in tool consumption, so that the production period is long, the processing quality is poor, the processing depth cannot exceed 0.6 m, the existing cutter bar cannot completely meet the processing requirements of products of the type, and the processing capacity of small tapered deep-hole products is urgently required to be improved through technical improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that lacks the processing frock in the hole that the depth of working surpassed 1m and hole diameter is less than 200mm among the current machining tool, provide a simple structure, the processing frock of the high minor diameter toper deep hole of processingquality.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a small-diameter conical deep hole machining tool comprises a lathe and is characterized in that a chuck is mounted on a lathe head seat of the lathe, an adjustable tailstock scale taper shank is mounted on a tailstock of the lathe, and a tool post is positioned on the lathe between the lathe head seat and the tailstock; the chuck is arranged on the headstock through a bearing seat arranged at the center, and a bearing is arranged on a middle hole of the bearing seat; one end of a cutter bar shaft of the cutter bar is connected with the bearing, the other end of the cutter bar shaft is connected with an adjustable tailstock scale taper shank arranged on the tailstock, a cutter bar outer sleeve is sleeved on the cutter bar shaft, a key groove slide way is arranged on the cutter bar shaft, and a sliding key is arranged on the cutter bar outer sleeve and is arranged in the key groove slide way; the push rod is fixedly arranged on the cutter platform; the cutter platform is fixed on a slide carriage of the lathe; the adjustable tailstock scale taper shank comprises a taper shank body with a flat tail part and an adjusting platform with a U-shaped opening slot, wherein an adjusting hole is formed in the bottom of the U-shaped slot of the slot, and a fixing hole is formed in one side wall of the U-shaped slot of the slot. The chuck is a four-jaw chuck. The key groove slideway is an elongated groove, and the sliding key is a key capable of sliding in the key groove. The cutter bar shaft is arranged on the adjustable tailstock scale taper shank, and can be deviated through a screw arranged in the adjusting hole, and when the cutter bar outer sleeve slides along the cutter bar shaft, the cutter bar outer sleeve can deflect, so that a conical hole is formed in an inner hole of a workpiece to be machined.
In order to better realize the technical scheme, the following improvements and improvements can be made on the technical scheme:
further, the cutter arbor shaft includes cylindric cutter arbor shaft body, and one end of cutter arbor shaft body has flat cutter arbor shaft afterbody, and the keyway slide is along the axial of cutter arbor shaft body setting on the outer wall of cutter arbor shaft body. The tail part of the flat cutter bar shaft can be fixed, so that the cutter bar shaft is prevented from rotating.
Furthermore, the push rod comprises a semi-annular push rod body, a push rod arm is arranged on the side of the push rod body, and a pair of positioning holes are formed in the two ends of the push rod body. The push rod body is semi-annular, and firstly can hold in the palm in the below of cutter arbor axle, but can increase the area of contact with the cutter arbor overcoat, and is more stable when promoting the cutter arbor overcoat.
Furthermore, the cutter bar outer sleeve comprises an outer sleeve body which is arranged in a circular tube, and a key groove is formed in the inner tube wall of the end part of the outer sleeve body; the end part of the outer sleeve body is provided with a mounting groove, the outer wall of the outer sleeve body on one side of the mounting groove is provided with a cutter head mounting groove, and two mounting holes are formed in the cutter head mounting wall between the cutter head mounting groove and the mounting groove; the outer tube body be the syllogic structure, including tool bit installation section, interlude and back end, the both ends of interlude set up the connection step, the tip that tool bit installation section and back end and interlude are connected sets up and is connected the inner ring groove that the step suited.
The workpiece is fixed on a chuck of a lathe through four claws on the chuck, the other end of the workpiece is supported through a center frame, the chuck is a power chuck, the chuck can drive the workpiece to rotate, one end of a cutter bar shaft of a cutter bar is connected with the chuck through a bearing seat and a bearing, the cutter bar does not rotate, the other end of the cutter bar shaft is connected with a tailstock through a cutter bar shaft flat tail and a flat groove of an adjustable tailstock scale taper shank, a sliding key on a cutter bar outer sleeve can be matched with a key groove on the cutter bar shaft to realize the movement of the cutter bar outer sleeve on the cutter bar shaft along the axial direction, and the processing angle of a taper hole can be adjusted by adjusting the flat tail offset of.
The utility model has the advantages that: the cutting fluid has good stability and can bear large cutting force; the processing precision is high, and the processing size precision can reach 0.1 mm; the deformation is small, and the roundness of an inner hole is less than 0.1 mm; the processing range is wide, and the method is suitable for processing products with inner holes of which the diameter is less than 200mm and the depth is less than 3m, such as tapered holes and straight holes.
Drawings
Fig. 1 is a schematic structural diagram of a small-diameter tapered deep hole machining tool according to the present application;
FIG. 2 is a schematic structural diagram of the machining tool of FIG. 1 with a workpiece mounted thereon;
FIG. 3 is an enlarged view taken at A in FIG. 1;
FIG. 4 is a schematic view of an adjustable tailstock scale taper shank structure;
FIG. 5 is a view from the direction B of FIG. 4;
FIG. 6 is a view in the direction C of FIG. 4;
FIG. 7 is a schematic view of the structure of the knife holder sheath;
FIG. 8 is a schematic structural view of a three-section type tool holder sheath;
FIG. 9 is a schematic view of a knife bar shaft;
fig. 10 is a schematic top view of fig. 2.
In the drawings, 1. a chuck; 2. a bearing seat; 3. the cutter bar mounting structure comprises a cutter bar outer sleeve 3.1, an outer sleeve body 3.1.1, a cutter head mounting section 3.1.2-a middle section 3.1.3, a tail section 3.2, a key groove 3.3, a cutter head mounting groove 3.4, a mounting groove 3.5 and a cutter head mounting wall; 4. 4.1 of a push rod, 4.2 of a push rod body and a push rod arm; 5. the cutter bar shaft, 5.1, the key groove slide way, 5.2, the tail part of the cutter bar shaft and 5.3-the cutter bar shaft body; 6. the adjustable tailstock comprises an adjustable tailstock scale taper shank, 6.1, a taper shank body, 6.2, an adjusting table, 6.3, a slot, 6.4, a fixing hole, 6.5 and an adjusting hole; 7. a tailstock; 8. a tool post; 9. a workpiece; 10. a bearing; 11. a bed head seat.
Detailed Description
The principles and features of the present invention are described below in conjunction with examples, which are set forth only to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 9, a small-diameter tapered deep hole machining tool comprises a lathe, wherein a chuck 1 is mounted on a headstock 11 of the lathe, an adjustable tailstock graduated taper shank 6 is mounted on a tailstock 7 of the lathe, and a tool post 8 is positioned on the lathe between the headstock 11 and the tailstock 7; the chuck 1 is arranged on a headstock 11 through a bearing seat 2 arranged at the center, and a bearing 10 is arranged on a middle hole of the bearing seat 2; one end of a cutter bar shaft 5 of the cutter bar is connected with a bearing 10, the other end of the cutter bar shaft 5 is connected with an adjustable tailstock scale taper shank 6 arranged on a tailstock 7, a cutter bar outer sleeve 3 is sleeved on the cutter bar shaft 5, a key groove slideway 5.1 is arranged on the cutter bar shaft 5, a sliding key is arranged on the cutter bar outer sleeve 3, and the sliding key is arranged in the key groove slideway 5.1; the push rod 4 is fixedly arranged on the cutter platform 8; the cutter platform 8 is fixed on a slide carriage 12 of the lathe; the adjustable tailstock scale taper shank 6 comprises a taper shank body 6.1 with a flat tail 6.6 and an adjusting table 6.2 with a U-shaped opening slot 6.3, wherein an adjusting hole 6.5 is formed in the bottom of the U-shaped slot of the slot 6.3, and a fixing hole 6.4 is formed in one side wall of the U-shaped slot of the slot 6.3.
The cutter bar shaft 5 comprises a cylindrical cutter bar shaft body 5.3, one end of the cutter bar shaft body 5.3 is provided with a flat cutter bar shaft tail part 5.2, and a key groove slideway 5.1 is arranged on the outer wall of the cutter bar shaft body along the axial direction of the cutter bar shaft body 5.3.
The push rod 4 comprises a semi-annular push rod body 4.1, a push rod arm 4.2 arranged on the side of the push rod body 4.1, and a pair of positioning holes are formed in the two ends of the push rod body 4.1.
The cutter bar outer sleeve 3 comprises an outer sleeve body 3.1 which is arranged in a circular tube, and a key groove 3.2 is formed in the inner tube wall of the end part of the outer sleeve body 3.1; the end part of the outer sleeve body 3.1 is provided with a mounting groove 3.4, the outer wall of the outer sleeve body 3.1 at one side of the mounting groove 3.4 is provided with a tool bit mounting groove 3.3, and two mounting holes are arranged on the tool bit mounting wall 3.5 between the tool bit mounting groove 3.3 and the mounting groove 3.4.
The outer tube body 3.1 be the syllogic structure, including tool bit installation section 3.1.1, interlude 3.1.2 and back end 3.1.3, the both ends of interlude 3.1.2 set up the connection step, the tip that tool bit installation section 3.1.1 and back end 3.1.3 and interlude 3.1.2 are connected sets up and is connected the interior annular groove that the step suited.
After finish turning, the surface roughness can reach Ra1.6, and the machining size precision can reach 0.1 mm; the roundness of the inner hole is less than 0.1 mm.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. The small-diameter conical deep hole machining tool comprises a lathe and is characterized in that a chuck (1) is installed on a lathe head seat (11) of the lathe, an adjustable tailstock scale taper shank (6) is installed on a tailstock (7) of the lathe, and a tool post (8) is located on the lathe between the lathe head seat (11) and the tailstock (7); the chuck (1) is arranged on a headstock (11) through a bearing seat (2) arranged at the center, and a bearing (10) is arranged on a middle hole of the bearing seat (2); one end of a cutter bar shaft (5) of the cutter bar is connected with a bearing (10), the other end of the cutter bar shaft (5) is connected with an adjustable tailstock scale taper shank (6) arranged on a tailstock (7), a cutter bar outer sleeve (3) is sleeved on the cutter bar shaft (5), a key groove slideway (5.1) is arranged on the cutter bar shaft (5), a sliding key is arranged on the cutter bar outer sleeve (3), and the sliding key is arranged in the key groove slideway (5.1); the push rod (4) is fixedly arranged on the cutter platform (8); the cutter platform (8) is fixed on a slide carriage (12) of the lathe; the adjustable tailstock scale taper shank (6) comprises a taper shank body (6.1) with a flat tail part (6.6), an adjusting platform (6.2) with a U-shaped opening slot (6.3), an adjusting hole (6.5) is formed in the bottom of the U-shaped slot of the slot (6.3), and a fixing hole (6.4) is formed in one side wall of the U-shaped slot of the slot (6.3).
2. The tool for machining the small-diameter conical deep hole according to claim 1, wherein the cutter bar shaft (5) comprises a cylindrical cutter bar shaft body (5.3), one end of the cutter bar shaft body (5.3) is provided with a flat cutter bar shaft tail (5.2), and the keyway slideway (5.1) is arranged on the outer wall of the cutter bar shaft body along the axial direction of the cutter bar shaft body (5.3).
3. The tooling for machining the small-diameter tapered deep hole according to claim 1, wherein the push rod (4) comprises a semi-annular push rod body (4.1), a push rod arm (4.2) is arranged on the lateral side of the push rod body (4.1), and a pair of positioning holes are formed in two ends of the push rod body (4.1).
4. The tooling for processing the small-diameter tapered deep hole according to claim 1, wherein the cutter bar outer sleeve (3) comprises a round-tube outer sleeve body (3.1), and a key groove (3.2) is formed in the inner tube wall of the end part of the outer sleeve body (3.1); the end part of the outer sleeve body (3.1) is provided with a mounting groove (3.4), the outer wall of the outer sleeve body (3.1) on one side of the mounting groove (3.4) is provided with a tool bit mounting groove (3.3), and two mounting holes are formed in the tool bit mounting wall (3.5) between the tool bit mounting groove (3.3) and the mounting groove (3.4).
5. The tooling for machining the small-diameter tapered deep hole according to claim 4, wherein the outer sleeve body (3.1) is of a three-section structure and comprises a tool bit mounting section (3.1.1), a middle section (3.1.2) and a tail section (3.1.3), connecting steps are arranged at two ends of the middle section (3.1.2), and inner annular grooves matched with the connecting steps are arranged at the end parts of the tool bit mounting section (3.1.1) and the tail section (3.1.3) connected with the middle section (3.1.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921017593.7U CN210412548U (en) | 2019-07-02 | 2019-07-02 | Processing frock of minor diameter toper deep hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921017593.7U CN210412548U (en) | 2019-07-02 | 2019-07-02 | Processing frock of minor diameter toper deep hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210412548U true CN210412548U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921017593.7U Active CN210412548U (en) | 2019-07-02 | 2019-07-02 | Processing frock of minor diameter toper deep hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210412548U (en) |
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2019
- 2019-07-02 CN CN201921017593.7U patent/CN210412548U/en active Active
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