CN219818790U - Turning and grinding device for machining large-diameter deep holes - Google Patents
Turning and grinding device for machining large-diameter deep holes Download PDFInfo
- Publication number
- CN219818790U CN219818790U CN202321221603.5U CN202321221603U CN219818790U CN 219818790 U CN219818790 U CN 219818790U CN 202321221603 U CN202321221603 U CN 202321221603U CN 219818790 U CN219818790 U CN 219818790U
- Authority
- CN
- China
- Prior art keywords
- base
- cutter bar
- turning
- upper cover
- side plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003754 machining Methods 0.000 title description 18
- 210000004907 gland Anatomy 0.000 claims description 7
- 230000003746 surface roughness Effects 0.000 abstract description 9
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a turning and grinding device for processing a large-diameter deep hole, which comprises a base, a left upper cover, a right upper cover, a cutter bar and a plurality of bolts, wherein the base is of a rectangular box body structure, the upper parts of the left side plate and the right side plate of the base are respectively provided with an arc groove, the lower parts of the two upper covers are respectively provided with an arc groove, the radius of the arc grooves of the base and the upper cover is the same as the radius of the outer circle of the cutter bar, and the depth of the arc grooves is slightly smaller than the radius of the outer circle of the cutter bar; the left section of the cutter bar is connected with the turning and grinding cutter, the right section of the cutter bar is placed on the circular arc grooves of the left side plate and the right side plate of the base, the left upper cover and the right upper cover are pressed on the outer circle of the right section of the cutter bar through the circular arc grooves and are fixedly connected with the upper parts of the left side plate and the right side plate of the base through bolts, a gap exists between the end faces of the base and the upper cover, and the center of the cutter bar is consistent with the center of a machine tool spindle. The utility model has better integral rigidity and larger compression force of the cutter bar, thereby improving the processing precision and the surface roughness of the hole.
Description
Technical Field
The utility model relates to the field of deep hole machining, in particular to a turning and grinding device for machining a large-diameter deep hole.
Background
In machining, the holes with the length of the holes and the diameter ratio of the holes being more than 5 are deep holes, and the holes with the diameters being more than 300mm are large-diameter holes, so that the machining difficulty of the holes is increased, special equipment is generally needed for machining, and the machining cost is increased. If a large-diameter deep hole is machined on a common horizontal lathe, a cutter bar is usually arranged on a cutter rest of the horizontal lathe for turning, and is limited by the size of the cutter rest of the lathe, the diameter of the cutter bar is slender, and the pressing surface and the pressing force of the cutter rest are smaller, so that the cutter bar has lower rigidity, is easy to vibrate during machining, and leads to poorer machining precision and surface roughness of the hole.
Disclosure of Invention
The utility model aims to solve the problem of providing a turning and grinding device for machining a large-diameter deep hole on a horizontal lathe, which has the advantages of good overall rigidity and large pressing force of a cutter bar, thereby improving the machining precision and the surface roughness of the hole.
The utility model relates to a turning and grinding device for processing a large-diameter deep hole, which comprises a base, a left upper cover, a right upper cover, a cutter bar and a plurality of bolts, wherein the base is of a rectangular box body structure, the upper parts of the left side plate and the right side plate of the base are respectively provided with an arc groove, the lower parts of the two upper covers are respectively provided with an arc groove, the radius of the arc grooves of the base and the upper cover is the same as the radius of the outer circle of the cutter bar, and the depth of the arc grooves is slightly smaller than the radius of the outer circle of the cutter bar; the left section of the cutter bar is connected with the turning and grinding cutter, the right section of the cutter bar is placed on the circular arc grooves of the left side plate and the right side plate of the base, the left upper cover and the right upper cover are pressed on the outer circle of the right section of the cutter bar through the circular arc grooves and are fixedly connected with the upper parts of the left side plate and the right side plate of the base through bolts, a gap exists between the end faces of the base and the upper cover, and the center of the cutter bar is consistent with the center of a machine tool spindle.
Further, when the outer circle of the cutter bar is matched with the semicircular groove, the gap between the end surfaces of the base and the upper cover is preferably 1mm.
Further, the upper parts of the left side plate and the right side plate of the base are respectively provided with a rectangular groove, the lower parts of the left upper cover and the right upper cover are provided with rectangular bosses, and the sides of the rectangular grooves on the base and the rectangular bosses on the upper covers form matching surfaces.
Further, the cutter bar is a hollow tube, a plurality of axial threaded holes are formed in the left end face of the cutter bar, the inner hole of the cutter bar is a step hole, a locating concave spigot is formed between the left end face of the cutter bar and the inner hole of the cutter bar, the cutter bar is connected with a turning cutter and a grinding cutter, and three threaded through holes with equally divided circumferences are formed in the middle of the step inner hole.
Further, when connecting the turning tool, the turning tool includes knife rest flange, a plurality of connecting screw, a plurality of mounting screw, lathe tool, and the knife rest flange cooperatees with the concave tang of location of cutter arbor left end face through the protruding tang of location of its right-hand member, and sticiss on the left end face of cutter arbor through a plurality of connecting screw, and the left end face of knife rest flange is equipped with two rectangle bosss that are parallel, and the lathe tool is installed in the recess in the middle of two rectangle bosss, and compresses tightly through a plurality of mounting screw.
Further, when the grinding tool is connected, the grinding tool comprises a motor, a set screw, a connecting flange, a grinding head, a plurality of connecting screws and a gland, wherein the motor is arranged in a hole of a cutter bar, and the plurality of set screws fasten the motor; the outer convex spigot at the right end of the connecting flange is matched with the positioning concave spigot at the left end face of the cutter bar and is tightly pressed on the left end face of the cutter bar through a plurality of connecting screws; the inner convex spigot at the right end of the connecting flange is matched with the concave spigot of the motor and is tightly pressed on the left end face of the motor through a plurality of connecting screws; the outer circle at the right end of the grinding head is matched with the left end hole of the connecting flange; the gland is sleeved on the excircle of the right end of the grinding head and is tightly pressed on the left end face of the connecting flange through a plurality of connecting screws.
The turning and grinding device has the advantages that: the base is directly connected to the middle carriage of the machine tool, and the cutter bar is pressed through the base and the upper cover, so that the cutter bar is not limited by the size of the cutter frame of the machine tool, the diameter and the span of the pressing surface of the cutter bar are increased, and the rigidity and the stability of the cutter bar are improved: when the inner hole is roughly machined, the tool rest flange is arranged at the left end of the tool bar, and the turning tool is arranged to turn the inner hole, so that the machining efficiency is high; when the inner hole is finished, the tool rest flange is disassembled, the connecting flange is installed, and the grinding head is used for grinding the inner hole, so that the machining precision and the surface roughness of the inner hole are improved. In a word, the utility model carries out turning and grinding processing of the large-diameter deep hole on the horizontal lathe, and can ensure the processing precision and the surface roughness of the hole.
Drawings
Fig. 1 is a schematic view of the turning device of the present utility model (in connection with a turning tool).
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a schematic view of the turning device (with attached grinding tool) of the present utility model.
Detailed Description
The present utility model will be described in further detail below with reference to the accompanying drawings so as to facilitate a more clear understanding to those skilled in the art.
Example 1
As shown in fig. 1, 2 and 3, the turning and grinding device for processing large-diameter deep holes comprises a base 1, a left upper cover 2, a right upper cover 2, a cutter bar 4 and a plurality of bolts 3, wherein the base 1 is of a rectangular box structure, the upper parts of the left side plate and the right side plate of the base are respectively provided with an arc groove, the lower parts of the two upper covers 2 are respectively provided with an arc groove, the radius of the arc grooves of the base 1 and the upper cover 2 is the same as the radius of the outer circle of the cutter bar 4, and the depth of the arc grooves is slightly smaller than the radius of the outer circle of the cutter bar 4; the left section of the cutter bar 4 is connected with a turning and grinding cutter, the right section of the cutter bar is placed on the circular arc grooves of the left side plate and the right side plate of the base 1, the left upper cover 2 and the right upper cover 2 are pressed on the outer circle of the right section of the cutter bar 4 through the circular arc grooves and are fixedly connected with the upper parts of the left side plate and the right side plate of the base 1 through bolts 3, a gap exists between the end faces of the base 1 and the upper cover 2, and the center of the cutter bar 4 is consistent with the center of a machine tool spindle.
Before the device is installed, the original tool rest on the middle carriage 15 of the machine tool is removed, four through holes are formed in the bottom of the base 1, and the tool rest is connected with the middle carriage 15 of the machine tool through bolts. Since the center of the cutter bar 4 is identical to the center of the main shaft of the machine tool, after the turning tool or the grinding tool is connected to the left section of the cutter bar 4, a large-diameter deep hole of a workpiece mounted on the machine tool can be machined.
The turning and grinding device comprises: when the excircle of the cutter bar 4 is matched with the circular arc grooves of the base 1 and the upper cover 2, a gap exists between the end surfaces of the base 1 and the upper cover 2, when the bolt 3 is screwed down, the cutter bar 4 is tightly pressed by the base 1 and the upper cover 2, and meanwhile, the left and right pressing points enlarge the span of the pressing surface, so that the rigidity and the stability of the cutter bar 4 and the turning and grinding cutter are greatly improved, and the machining precision and the surface roughness of the large-diameter deep hole are ensured. In addition, according to the depth of a machined hole in a workpiece, the extension length of the cutter bar 4 can be adjusted, so that the cutter is prevented from extending too long to reduce rigidity, and the machining precision and the surface roughness of a large-diameter deep hole are further ensured.
When the outer circle of the cutter bar 4 is matched with the semicircular groove, the clearance between the end surfaces of the base 1 and the upper cover 2 is preferably 1mm.
The gap of 1mm not only ensures that the end surfaces of the base 1 and the upper cover 2 do not interfere with each other so as to compress the cutter bar 4, but also prevents that the compressing force is greatly increased because of the gap between the base 1 and the upper cover 2 so as to avoid damaging the cutter bar 4.
Example 2
As shown in fig. 1, 2 and 3, the turning and grinding device of the present utility model: the upper parts of the left side plate and the right side plate of the base 1 are respectively provided with a rectangular groove, the lower parts of the left upper cover and the right upper cover 2 are provided with rectangular bosses, and the rectangular grooves on the base 1 and the sides of the rectangular bosses on the upper cover 2 form matching surfaces.
Through the cooperation of the rectangular groove of base 1 and the rectangular boss both sides on upper cover 2, can prevent that upper cover 2 from rotating or rocking for base 1 to under the circumstances that the terminal surface of guaranteeing base 1 and controlling two upper covers 2 exists the clearance, also guaranteed the reliability of relative position between the two, and then guaranteed the processingquality in hole.
Example 3
As shown in fig. 1, 2 and 3, the turning and grinding device of the present utility model: the cutter bar 4 is a hollow tube, the left end face of the cutter bar is provided with a plurality of axial threaded holes, the inner hole of the cutter bar is a step hole, the left end face of the cutter bar and the inner hole form a positioning concave spigot, the cutter bar is connected with a turning cutter and a grinding cutter, and the middle of the step inner hole is provided with three threaded through holes with equal circumference.
The cutter bar 4 is a hollow tube, so that the weight of the cutter bar is reduced, and the deformation of the whole device is prevented; the cutter bar 4 realizes reliable and quick replacement with the turning cutter through the positioning concave spigot and is connected with the turning cutter and the grinding cutter through an axial threaded hole; the diameter and depth of the step inner hole of the section provided with the threaded through hole in the cutter bar 4 are slightly larger than the size of the motor, so that the motor is stored and is compressed by the screw.
Example 4
As shown in fig. 1, 2 and 3, the turning and grinding device of the present utility model: when connecting turning cutter, turning cutter includes knife rest flange 5, a plurality of connecting screw 6, a plurality of mounting screw 7, lathe tool 14, and knife rest flange 5 cooperatees with the concave tang of location of cutter arbor 4 left end face through the protruding tang of location of its right-hand member, and sticiss on the left end face of cutter arbor 4 through a plurality of connecting screw 6, and the left end face of knife rest flange 5 is equipped with two rectangle bosss of parallelism, and lathe tool 14 is installed in the recess in the middle of two rectangle bosss, and compresses tightly through a plurality of mounting screw 7.
The tool rest flange 5 is connected with the tool bar 4 through the positioning spigot and the connecting screw 6, and the installation and clamping of the turning tool 14 are realized, so that the turning of the inner hole of the workpiece is ensured.
Example 5
As shown in fig. 1, 2 and 3, the turning and grinding device of the present utility model: when the grinding tool is connected, the grinding tool comprises a motor 8, a set screw 9, a connecting flange 10, a grinding head 12, a plurality of connecting screws 6 and a pressing cover 11, wherein the motor 8 is arranged in a hole of a cutter bar 4, and the plurality of set screws 9 fasten the grinding tool; the outer convex spigot at the right end of the connecting flange 10 is matched with the positioning concave spigot at the left end face of the cutter bar 4, and is tightly pressed on the left end face of the cutter bar 4 through a plurality of connecting screws 6; the inner convex spigot at the right end of the connecting flange 10 is matched with the concave spigot of the motor 8 and is tightly pressed on the left end surface of the motor 8 through a plurality of connecting screws 6; the outer circle at the right end of the grinding head 12 is matched with the left end hole of the connecting flange 10; the gland 11 is sleeved on the outer circle of the right end of the grinding head 12 and is pressed against the left end face of the connecting flange 10 through a plurality of connecting screws 6.
After the inner hole is turned, the surface roughness and the precision are poor, at the moment, the tool rest flange 5 is removed to take down the turning tool, and then the motor 8, the gland 11 and the grinding head 12 are arranged on the tool bar 4 through the connecting flange 10, as shown in fig. 3; the right end of the flange of the connecting flange 10 is provided with an inner step convex spigot and an outer step convex spigot, the outer convex spigot is matched with a positioning concave spigot on the left end surface of the cutter bar 4 and is pressed on the left end surface of the cutter bar 4 through a connecting screw 6, the inner convex spigot is matched with a concave spigot of the motor 8 and is pressed on the left end surface of the motor 8 through the connecting screw 6; the setting screws 9 are arranged in three threaded through holes which are equally divided in the circumference of the cutter bar 4, the motor 8 runs more stably by tightening the setting screws 9, and the grinding head 12 is connected with the connecting flange 10 by the gland 11 through the screws.
The base in the device is directly connected to the middle carriage of the machine tool, and the cutter bar is tightly pressed by the base and the upper cover, so that the cutter bar is not limited by the size of the cutter bar of the machine tool, the diameter and the span of the pressing surface of the cutter bar are increased, and the rigidity and the stability of the cutter bar are improved: when the inner hole is roughly machined, the tool rest flange is arranged at the left end of the tool bar, and the turning tool is arranged to turn the inner hole, so that the machining efficiency is high; when the inner hole is finished, the tool rest flange is disassembled, the connecting flange is installed, and the grinding head is used for grinding the inner hole, so that the machining precision and the surface roughness of the inner hole are improved.
Claims (6)
1. A car grinds device for processing major diameter deep hole, characterized by: the novel tool comprises a base (1), a left upper cover (2), a right upper cover (4) and a plurality of bolts (3), wherein the base (1) is of a rectangular box structure, the upper parts of the left side plate and the right side plate of the base are respectively provided with an arc groove, the lower parts of the two upper covers (2) are respectively provided with an arc groove, the radius of the arc grooves of the base (1) and the upper covers (2) is the same as the radius of the excircle of the tool bar (4), and the depth of the arc grooves is slightly smaller than the radius of the excircle of the tool bar (4); the left section of the cutter bar (4) is connected with the turning and grinding cutter, the right section of the cutter bar is placed on the circular arc grooves of the left side plate and the right side plate of the base (1), the left upper cover (2) and the right upper cover are pressed on the outer circle of the right section of the cutter bar (4) through the circular arc grooves, and are fixedly connected with the upper parts of the left side plate and the right side plate of the base (1) through bolts (3), a gap exists between the end faces of the base (1) and the upper cover (2), and the center of the cutter bar (4) is consistent with the center of a machine tool spindle.
2. The turning and grinding apparatus as defined in claim 1, wherein: when the excircle of the cutter bar (4) is matched with the semicircular groove, the clearance between the end surfaces of the base (1) and the upper cover (2) is preferably 1mm.
3. The turning and grinding apparatus as defined in claim 1, wherein: the upper parts of the left side plate and the right side plate of the base (1) are respectively provided with a rectangular groove, the lower parts of the left upper cover and the right upper cover (2) are provided with rectangular bosses, and the rectangular grooves on the base (1) and the side surfaces of the rectangular bosses on the upper covers (2) form matching surfaces.
4. The turning and grinding apparatus as defined in claim 1, wherein: the cutter arbor (4) is the hollow tube, is equipped with a plurality of axial screw holes on its left end face, and its hole is the step hole, and its left end face and hole form the location concave tang, are connected with turning cutter, grinding cutter, and the centre of step hole is equipped with the three screw thread through-holes of circumference halving.
5. The turning and grinding apparatus as defined in claim 1, wherein: when connecting turning cutter, turning cutter includes knife rest flange (5), a plurality of connecting screw (6), a plurality of mounting screw (7), lathe tool (14), the protruding tang of location of knife rest flange (5) through its right-hand member cooperatees with the concave tang of location of knife arbor (4) left end face, and sticis on the left end face of knife arbor (4) through a plurality of connecting screw (6), the left end face of knife rest flange (5) is equipped with two rectangle bosss that are parallel, lathe tool (14) are installed in the recess in the middle of two rectangle bosss, and compress tightly through a plurality of mounting screw (7).
6. The turning and grinding apparatus as defined in claim 1, wherein: when the grinding tool is connected, the grinding tool comprises a motor (8), a set screw (9), a connecting flange (10), a grinding head (12), a plurality of connecting screws (6) and a gland (11), wherein the motor (8) is arranged in a hole of a cutter bar (4), and the plurality of set screws (9) fasten the motor; the outer convex spigot at the right end of the connecting flange (10) is matched with the positioning concave spigot at the left end face of the cutter bar (4), and is tightly pressed on the left end face of the cutter bar (4) through a plurality of connecting screws (6); the inner convex spigot at the right end of the connecting flange (10) is matched with the concave spigot of the motor (8) and is tightly pressed on the left end surface of the motor (8) through a plurality of connecting screws (6); the outer circle of the right end of the grinding head (12) is matched with the left end hole of the connecting flange (10); the gland (11) is sleeved on the outer circle of the right end of the grinding head (12) and is tightly pressed on the left end face of the connecting flange (10) through a plurality of connecting screws (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321221603.5U CN219818790U (en) | 2023-05-19 | 2023-05-19 | Turning and grinding device for machining large-diameter deep holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321221603.5U CN219818790U (en) | 2023-05-19 | 2023-05-19 | Turning and grinding device for machining large-diameter deep holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219818790U true CN219818790U (en) | 2023-10-13 |
Family
ID=88282561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321221603.5U Active CN219818790U (en) | 2023-05-19 | 2023-05-19 | Turning and grinding device for machining large-diameter deep holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219818790U (en) |
-
2023
- 2023-05-19 CN CN202321221603.5U patent/CN219818790U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110802426A (en) | Damping clamp for machining of machine box | |
| CN219818790U (en) | Turning and grinding device for machining large-diameter deep holes | |
| CN210046020U (en) | Internal spline core expansion type machine tool fixture | |
| CN218983317U (en) | CNC cylinder work piece compresses tightly and mills rotatory tray device of location | |
| CN216327026U (en) | Cutter clamping device for grinding machine | |
| CN213917951U (en) | Clamping and positioning mechanism for compact tool | |
| CN211162955U (en) | Drilling clamp | |
| CN212169693U (en) | Special clamp for milling plane of flange plate | |
| CN220128236U (en) | Special-shaped workpiece spherical surface machining tool | |
| CN212793023U (en) | Centrifugal pump shell processing device | |
| CN219967148U (en) | Engineering gearbox body merry go round machine processing quick change anchor clamps | |
| CN111185653A (en) | Pipe intersecting line plasma profile cutting device and machining method thereof | |
| CN220347240U (en) | Differential mechanism casing clamping device | |
| CN220660020U (en) | Clamping jig for machining round workpiece | |
| CN221290336U (en) | Clamping and fixing tool for machining disc parts in horizontal machining center | |
| CN220839036U (en) | Shock attenuation anti-vibration tool of thin wall gyration part | |
| CN113020918B (en) | Processing method of hydrogen return pump rotor | |
| CN215998856U (en) | Multi-specification slice milling cutter connector | |
| CN221209892U (en) | Thin-wall disc processing and positioning device | |
| CN213470372U (en) | Fixing device for machining multiple holes in fixing base | |
| CN218136370U (en) | Mandrel mechanism of slot cutting machine | |
| CN219474861U (en) | Dynamic balance jig for taper hole workpiece | |
| CN219925310U (en) | Shell type part positioning device | |
| CN213795356U (en) | Special fixture for boring hole of flange yoke of transmission shaft | |
| CN221088109U (en) | Clamp for machining key groove of transverse shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |