CN220881508U - Bowl-shaped steel structure mouth end turning fixing device with through holes - Google Patents
Bowl-shaped steel structure mouth end turning fixing device with through holes Download PDFInfo
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- CN220881508U CN220881508U CN202322590864.0U CN202322590864U CN220881508U CN 220881508 U CN220881508 U CN 220881508U CN 202322590864 U CN202322590864 U CN 202322590864U CN 220881508 U CN220881508 U CN 220881508U
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- bearing
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- bowl
- steel structure
- positioning shaft
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- 238000007514 turning Methods 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 26
- 239000010959 steel Substances 0.000 title claims abstract description 26
- 210000004907 gland Anatomy 0.000 claims abstract description 10
- 239000010687 lubricating oil Substances 0.000 claims description 7
- 239000003921 oil Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 description 6
- 238000001192 hot extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
Classifications
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- 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
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- Clamps And Clips (AREA)
Abstract
The utility model relates to a bowl-shaped steel structure port end turning fixing device with a through hole, which aims to solve the problems that in the prior art, a port end is turned, the end surface of a bowl-shaped bottom through hole is uneven, the port end is short and difficult to guarantee the turning quality of a part port end, a front clamp body is connected with a machine tool spindle, a rear top body is arranged on a lathe tailstock sleeve, a sliding sleeve is arranged on a clamp body, one end of the clamp body is fixedly arranged on a flange plate, a plurality of outer clamp blocks are arranged on the clamp body, one end of a positioning shaft is rotatably connected and arranged in one end of a bearing seat sequentially through a third bearing, a second bearing, an inner and outer bushing group and a first bearing, a gland is fixedly arranged at one end of the bearing seat and sleeved on the positioning shaft, a clamping jaw seat is arranged on the positioning shaft, a plurality of inner clamp blocks are arranged on the clamping jaw seat, and a single bushing is arranged at the other end of the bearing seat. The utility model belongs to the field of turning.
Description
Technical Field
The utility model relates to a turning fixing device, in particular to a bowl-shaped steel structure port end turning fixing device with a through hole, and belongs to the field of turning.
Background
Bowl-shaped steel structure parts with through holes are generally steel plate blanks, semi-finished products of bowl-shaped structures are formed through hot extrusion forming, and the requirements on part structures, sizes, form and position tolerances and precision are met through turning of opening ends. The through hole bowl-shaped structure formed by hot extrusion is arc-shaped, the end face of the through hole at the bottom of the bowl-shaped structure is uneven, the mouth end is not provided with a straight line segment, or the straight line segment is very short, clamping is difficult, and turning quality of the mouth end of the bowl-shaped steel structure part is difficult to ensure.
Disclosure of utility model
The utility model aims to solve the problem that in the prior art, the bowl-shaped steel structure port end turning fixing device with the through hole is provided for solving the problem that the port end is not uniform in the end face of the through hole at the bottom of the bowl-shaped steel structure through turning, the port end is short in straight line section or straight line section, and the turning quality of the port end of a part is difficult to guarantee.
The technical scheme adopted for solving the technical problems is as follows:
A bowl-shaped steel structure port end turning fixing device with a through hole comprises a front clamp body and a rear top body; the front clamp body is connected with a main shaft of the machine tool, the rear top body is arranged on a tailstock sleeve of the machine tool, and the front clamp body comprises a flange plate, a sliding sleeve, a spring, a clamp body and a plurality of outer clamp blocks; the rear top body comprises a positioning shaft, a clamping jaw seat, a gland, a first bearing, an inner and outer bushing group, a third bearing, a single bushing, a second bearing, a bearing seat and a plurality of inner clamping blocks;
The spring housing is installed on the sliding sleeve, the sliding sleeve is installed on the clamp body, one end fixed mounting of the clamp body is on the ring flange, the ring flange is connected with the lathe main shaft, a plurality of outer clamp blocks are installed on the clamp body, the locating shaft is the step shaft, one end of the locating shaft is installed in one end of the bearing frame through the rotation connection of the third bearing, the second bearing, the inner lining set, the outer lining set and the first bearing, the gland is fixedly installed at one end of the bearing frame and is sleeved on the locating shaft, the clamping jaw seat is installed on the locating shaft, a plurality of inner clamp blocks are installed on the clamping jaw seat, and the single lining is installed on the other end of the bearing frame and is connected with a lathe tailstock sleeve.
Further, the front clamp body further comprises a sliding sleeve nut, a plurality of hexagon bolts and a plurality of pan head screws; one end of the sliding sleeve penetrates through the clamp body and is in threaded connection with the sliding sleeve nut, the clamp body and the flange plate are fixedly connected through a plurality of hexagon bolts, and each outer clamp block is installed on the clamp body through a pan head screw.
Further, the rear top body further comprises a locking nut, a locking key and a connecting key; the clamping jaw seat is connected with the positioning shaft through a locking key, the clamping jaw seat is fixedly sleeved on the positioning shaft through locking nuts in a locking mode, and the single bushing is installed on the lathe tailstock sleeve through a connecting key.
Further, the inner and outer liner sets include an outer liner and an inner liner; the outer bush is closely attached to the inner side wall of the bearing seat and is arranged between the first bearing and the second bearing, and the inner bush is arranged on the positioning shaft in the outer bush.
Further, the rear top body further comprises a plurality of screws, a lubricating oil filling bolt, a plurality of inner clamping block fixing bolts and a plurality of adjusting bolts; the gland is fixedly arranged at one end of the bearing seat through a plurality of screws, an oil filling hole is machined in the side wall of the bearing seat, a lubricating oil filling bolt is arranged on the oil filling hole in a threaded connection mode, each inner clamping block is arranged on the clamping jaw seat through an inner clamping block fixing bolt, a plurality of adjusting bolts are arranged on the side wall mountain of the bearing seat in a threaded connection mode, and each adjusting bolt is propped against a single bushing.
Further, an outer clamping block mounting groove is formed in the clamp body, the outer clamping block is embedded in the outer clamping block mounting groove, an arc-shaped surface is formed in the inner side wall of the outer clamping block, and a plurality of anti-slip grooves are formed in the arc-shaped surface.
Further, three flat grooves are formed in the outer side wall of the clamping jaw seat, the inner clamping block is an L-shaped block, one edge of the L-shaped block is an arc surface, the arc surface of the L-shaped block is embedded in the flat grooves of the clamping jaw seat, the other edge of the L-shaped block is a plane, through holes are formed in the edges of the plane of the L-shaped block, and the inner clamping block fixing bolts are arranged in the through holes and are in threaded connection with corresponding positions of the clamping jaw seat.
Compared with the prior art, the utility model has the following beneficial effects:
1. The device has the advantages that the device can play a role in positioning and clamping in the process of turning bowl-shaped steel structure parts, the turning quality of the mouth end of the through hole bowl-shaped steel structure parts is guaranteed, and clamping is facilitated.
2. According to the utility model, the split mechanical structure is used for positioning and propping up the through hole bowl-shaped structural part, and the turning of the mouth end of the part is carried out, so that the problems that the mouth end of the bowl-shaped structural part is directly turned and the arc surface is difficult to clamp are solved, and the requirement of mass production of the part is met.
3. The utility model has the advantages of simple clamping, fast feeding, short processing period and high production efficiency, and can be popularized to the use of the port end turning processing technology of the bowl-shaped structural part with the through hole.
Drawings
Fig. 1 is a front view of the overall structure of the present application.
Fig. 2 is a front view of the front clamp body 1.
Fig. 3 is a schematic view of the clamp body 1-6.
Fig. 4 is a cross-sectional view of the clamp body 1-6.
Fig. 5 is a front view of the flange plate 1-1.
Fig. 6 is a front view of the sliding sleeve 1-4.
Fig. 7 is a front view of the rear roof body 2.
Fig. 8 is a front view of the rear roof body 2.
Fig. 9 is a schematic view of the jaw housing 2-3.
Fig. 10 is a front view of the bearing blocks 2-18.
Fig. 11 is a schematic view of the connection keys 2-16.
Fig. 12 is a front view of the inner clamp blocks 2-15.
Fig. 13 is a cross-sectional view of the inner clamp block 2-15.
Fig. 14 is a schematic view of a single liner 2-17.
Detailed Description
The first embodiment is as follows: referring to fig. 1 to 14, a bowl-shaped steel structure port end turning fixing device with a through hole according to the present embodiment is described, and includes a front clamp body 1 and a rear top body 2; the front clamp body 1 is connected with a main shaft of a machine tool, the rear top body 2 is arranged on a tailstock sleeve of the machine tool, and the front clamp body 1 comprises a flange plate 1-1, a sliding sleeve 1-4, a spring 1-5, a clamp body 1-6 and a plurality of outer clamp blocks 1-7; the rear top body 2 comprises a positioning shaft 2-1, a clamping jaw seat 2-3, a gland 2-5, a first bearing 2-8, an inner and outer bushing group, a third bearing 2-12, a single bushing 2-17, a second bearing 2-14, a bearing seat 2-18 and a plurality of inner clamping blocks 2-15;
The spring 1-5 is sleeved on the sliding sleeve 1-4, the sliding sleeve 1-4 is installed on the clamp body 1-6, one end of the clamp body 1-6 is fixedly installed on the flange plate 1-1, the flange plate 1-1 is connected with a machine tool spindle, a plurality of outer clamping blocks 1-7 are installed on the clamp body 1-6, the positioning shaft 2-1 is a stepped shaft, one end of the positioning shaft 2-1 is sequentially installed in one end of the bearing seat 2-18 through a third bearing 2-12, a second bearing 2-14, an inner lining set, an outer lining set and a first bearing 2-8 in a rotating manner, the gland 2-5 is fixedly installed at one end of the bearing seat 2-18 and sleeved on the positioning shaft 2-1, the clamping jaw seat 2-3 is installed on the positioning shaft 2-1, a plurality of inner clamping blocks 2-15 are installed on the clamping jaw seat 2-3, and the single lining 2-17 is installed at the other end of the bearing seat 2-18 and is connected with a tailstock sleeve.
According to the length of the part, the lathe tailstock is adjusted to a proper position and is firmly fixed, the small end of the positioning shaft 2-1 penetrates out of a hole at the bottom of the part, the tailstock sleeve handwheel is rotated, the tailstock sleeve stretches out of the tailstock, the outer wall of the part is tightly attached to the plurality of outer clamping blocks 1-7, the sliding sleeve 1-4 is tightly pressed, and meanwhile, the plurality of inner clamping blocks 2-15 in the rear top body 2 are tightly attached to the inner wall of the part.
After the front clamp body 1 and the rear top body 2 are clamped in place and fixed firmly, a machine tool spindle is started to observe whether the rotation of the part is stable, turning can be started after the rotation is stable, otherwise, the clamping is required to be readjusted, the turning can be performed until the rotation of the part is stable, and after the machining is completed, a tailstock sleeve hand wheel is rotated to enable the tailstock sleeve to retract to the tailstock until the part can be taken down, so that the turning of the part is completed.
The second embodiment is as follows: 1-6, the front clamp body 1 further comprises a sliding sleeve nut 1-3, a plurality of hexagon bolts 1-2 and a plurality of pan head screws 1-8; one end of the sliding sleeve 1-4 penetrates through the clamp body 1-6 and is in threaded connection with the sliding sleeve nut 1-3, the clamp body 1-6 and the flange plate 1-1 are fixedly connected through a plurality of hexagon bolts 1-2, and each outer clamp block 1-7 is installed on the clamp body 1-6 through a pan head screw 1-8. Other compositions and connection modes are the same as in the first embodiment.
And a third specific embodiment: referring to fig. 1, 8 and 9, in the present embodiment, a bowl-shaped steel structure port end turning fixing device with a through hole according to the present embodiment, the rear top body 2 further includes a locking nut 2-2, a locking key 2-4 and a connecting key 2-16; the clamping jaw seat 2-3 is connected with the positioning shaft 2-1 through a locking key 2-4 in a key way, the clamping jaw seat 2-3 is fixedly sleeved on the positioning shaft 2-1 through a locking nut 2-2 in a locking way, and the single bushing 2-17 is arranged on a lathe tailstock sleeve through a connecting key 2-16. Other compositions and connection modes are the same as those of the second embodiment.
In this embodiment, the jaw seat 2-3 determines the position transmission torsion through the locking key 2-4.
The specific embodiment IV is as follows: referring to fig. 1 and 8, a turning fixing device for a bowl-shaped steel structure with a through hole at a mouth end of the bowl-shaped steel structure according to the present embodiment is described, wherein an inner bushing group and an outer bushing group comprise an outer bushing 2-9 and an inner bushing 2-10; the outer bush 2-9 is arranged between the first bearing 2-8 and the second bearing 2-14 closely to the inner side wall of the bearing seat 2-18, and the inner bush 2-10 is arranged on the positioning shaft 2-1 in the outer bush 2-9. Other compositions and connection modes are the same as those of the second embodiment.
Fifth embodiment: referring to fig. 1 and 8, a turning and fixing device for a bowl-shaped steel structure with a through hole according to the present embodiment is described, where the rear top body 2 further includes a plurality of screws 2-6, a lubricant filling bolt 2-11, a plurality of inner clamping block fixing bolts 2-7, and a plurality of adjusting bolts 2-13; the gland 2-5 is fixedly arranged at one end of the bearing seat 2-18 through a plurality of screws 2-6, an oil injection hole is formed in the side wall of the bearing seat 2-18, a lubricating oil filling bolt 2-11 is arranged on the oil injection hole in a threaded connection mode, each inner clamping block 2-15 is arranged on the clamping jaw seat 2-3 through an inner clamping block fixing bolt 2-7, a plurality of adjusting bolts 2-13 are arranged on the side wall mountain of the bearing seat 2-18 in a threaded connection mode, and each adjusting bolt 2-13 is propped against the single bushing 2-17. The single bushing 2-17 is a cylindrical sleeve body, and a strip-shaped gap is processed on the side wall of the single bushing 2-17 along the axial direction. Other compositions and connection modes are the same as those of the second embodiment.
In the embodiment, the lubricating oil filling bolt 2-11 is used for filling bearing lubricating oil, and the adjusting bolt 2-13 is arranged at the rear end of the bearing seat and used for adjusting and screwing the single bushing 2-17.
Specific embodiment six: referring to fig. 1 and 2, in the bowl-shaped steel structure port end turning fixing device with a through hole of the present embodiment, an outer clamping block mounting groove is processed on a clamping body 1-6, an outer clamping block 1-7 is embedded in the outer clamping block mounting groove, an arc-shaped surface is processed on the inner side wall of the outer clamping block 1-7, and a plurality of anti-slip grooves are processed on the arc-shaped surface. Other compositions and connection modes are the same as those of the fifth embodiment.
Seventh embodiment: referring to fig. 8, 9, 12 and 13, in the bowl-shaped steel structure port end turning fixing device with a through hole in this embodiment, three flat grooves are machined on the outer side wall of a clamping jaw seat 2-3, an inner clamping block 2-15 is an 'L' -shaped block, one side of the 'L' -shaped block is an arc surface, the arc surface of the 'L' -shaped block is embedded in the flat groove of the clamping jaw seat 2-3, the other side of the 'L' -shaped block is a plane, the through hole is machined on the side of the plane of the 'L' -shaped block, and an inner clamping block fixing bolt 2-7 is arranged in the through hole and is in threaded connection with a corresponding position of the clamping jaw seat 2-3. Other compositions and connection modes are the same as in the first embodiment.
The present utility model is not limited to the preferred embodiments, but is capable of modification and variation in detail, and other embodiments, such as those described above, of making various modifications and equivalents will fall within the spirit and scope of the present utility model.
Claims (7)
1. A bowl shaped steel structure mouth end turning fixing device with through-hole, its characterized in that: it comprises a front clamp body (1) and a rear top body (2); the front clamp body (1) is connected with a main shaft of a machine tool, the rear top body (2) is arranged on a tailstock sleeve of the machine tool, and the front clamp body (1) comprises a flange plate (1-1), a sliding sleeve (1-4), a spring (1-5), a clamp body (1-6) and a plurality of outer clamp blocks (1-7); the rear top body (2) comprises a positioning shaft (2-1), a clamping jaw seat (2-3), a gland (2-5), a first bearing (2-8), an inner and outer bushing group, a third bearing (2-12), a single bushing (2-17), a second bearing (2-14), a bearing seat (2-18) and a plurality of inner clamping blocks (2-15);
The spring (1-5) is sleeved on the sliding sleeve (1-4), the sliding sleeve (1-4) is installed on the clamp body (1-6), one end of the clamp body (1-6) is fixedly installed on the flange plate (1-1), the flange plate (1-1) is connected with a machine tool spindle, a plurality of outer clamping blocks (1-7) are installed on the clamp body (1-6), the positioning shaft (2-1) is a stepped shaft, one end of the positioning shaft (2-1) is sequentially installed in one end of the bearing seat (2-18) through a third bearing (2-12), a second bearing (2-14), an inner lining set and a first bearing (2-8) in a rotating mode, the gland (2-5) is fixedly installed at one end of the bearing seat (2-18) and sleeved on the positioning shaft (2-1), the single lining (2-17) is installed on the positioning shaft (2-1), the plurality of inner clamping blocks (2-15) are installed on the bearing seat (2-3), and the single lining (2-17) is installed on the other end of the clamping jaw seat (2-18) and is connected with the tail end of the lathe.
2. The bowl-shaped steel structure port end turning fixing device with through holes according to claim 1, wherein: the front clamp body (1) further comprises a sliding sleeve nut (1-3), a plurality of hexagon bolts (1-2) and a plurality of pan head screws (1-8); one end of the sliding sleeve (1-4) penetrates through the clamp body (1-6) and is in threaded connection with the sliding sleeve nut (1-3), the clamp body (1-6) and the flange plate (1-1) are fixedly connected through a plurality of hexagon bolts (1-2), and each outer clamp block (1-7) is installed on the clamp body (1-6) through a pan head screw (1-8).
3. The bowl-shaped steel structure port end turning fixing device with through holes according to claim 1, wherein: the rear top body (2) also comprises a locking nut (2-2), a locking key (2-4) and a connecting key (2-16); the clamping jaw seat (2-3) is connected with the positioning shaft (2-1) through a locking key (2-4), the clamping jaw seat (2-3) is fixedly sleeved on the positioning shaft (2-1) through locking nuts (2-2) in a locking mode, and the single bushing (2-17) is installed on a lathe tailstock sleeve through a connecting key (2-16).
4. A bowl-shaped steel structure mouth end turning fixing device with a through hole according to claim 3, which is characterized in that: the inner and outer bushing groups comprise an outer bushing (2-9) and an inner bushing (2-10); the outer bushing (2-9) is closely attached to the inner side wall of the bearing seat (2-18) and arranged between the first bearing (2-8) and the second bearing (2-14), and the inner bushing (2-10) is arranged on the positioning shaft (2-1) in the outer bushing (2-9).
5. The bowl-shaped steel structure port end turning fixing device with the through holes according to claim 4, wherein: the rear top body (2) further comprises a plurality of screws (2-6), a lubricating oil filling bolt (2-11), a plurality of inner clamping block fixing bolts (2-7) and a plurality of adjusting bolts (2-13); the gland (2-5) is fixedly arranged at one end of the bearing seat (2-18) through a plurality of screws (2-6), an oil injection hole is processed on the side wall of the bearing seat (2-18), the lubricating oil filling bolt (2-11) is arranged on the oil injection hole in a threaded connection mode, each inner clamping block (2-15) is arranged on the clamping jaw seat (2-3) through the inner clamping block fixing bolt (2-7), a plurality of adjusting bolts (2-13) are arranged on the side wall mountain of the bearing seat (2-18) in a threaded connection mode, and each adjusting bolt (2-13) is propped against the single bushing (2-17).
6. The bowl-shaped steel structure port end turning fixing device with the through holes according to claim 2, wherein: the outer clamping block mounting groove is formed in the clamp body (1-6), the outer clamping block (1-7) is embedded in the outer clamping block mounting groove, the arc-shaped surface is formed in the inner side wall of the outer clamping block (1-7), and the plurality of anti-slip grooves are formed in the arc-shaped surface.
7. The bowl-shaped steel structure port end turning fixing device with the through holes according to claim 5, wherein: three flat grooves are formed in the outer side wall of the clamping jaw seat (2-3), the inner clamping block (2-15) is an L-shaped block, one edge of the L-shaped block is an arc surface, the arc surface of the L-shaped block is embedded in the flat grooves of the clamping jaw seat (2-3), the other edge of the L-shaped block is a plane, through holes are formed in the edges of the plane of the L-shaped block, and the inner clamping block fixing bolt (2-7) is arranged in the through holes and in threaded connection with the corresponding part of the clamping jaw seat (2-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322590864.0U CN220881508U (en) | 2023-09-25 | 2023-09-25 | Bowl-shaped steel structure mouth end turning fixing device with through holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322590864.0U CN220881508U (en) | 2023-09-25 | 2023-09-25 | Bowl-shaped steel structure mouth end turning fixing device with through holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220881508U true CN220881508U (en) | 2024-05-03 |
Family
ID=90879655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322590864.0U Active CN220881508U (en) | 2023-09-25 | 2023-09-25 | Bowl-shaped steel structure mouth end turning fixing device with through holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220881508U (en) |
-
2023
- 2023-09-25 CN CN202322590864.0U patent/CN220881508U/en active Active
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