CN111421153A - Tool rest for lathe for processing internal and external threads - Google Patents
Tool rest for lathe for processing internal and external threads Download PDFInfo
- Publication number
- CN111421153A CN111421153A CN202010377316.8A CN202010377316A CN111421153A CN 111421153 A CN111421153 A CN 111421153A CN 202010377316 A CN202010377316 A CN 202010377316A CN 111421153 A CN111421153 A CN 111421153A
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- CN
- China
- Prior art keywords
- adjusting
- face
- shaft sleeve
- fixed
- supporting module
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/04—Tool holders for a single cutting tool
- B23B29/12—Special arrangements on tool holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/22—Machines specially designed for operating on pipes or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
Abstract
The invention discloses a lathe tool rest for machining internal and external threads, which relates to the technical field of lathe tool rests and comprises a tool fixing frame, an adjusting shaft sleeve, a vertical distance adjusting assembly, an adjusting base, a supporting module and a fixed main shaft, wherein the tool fixing frame is arranged on the tool fixing frame; the fixed main shaft is fixed on the left side of the adjusting base, and the adjusting shaft sleeve is fixed on the right side of the supporting module; one end of the cutter fixing frame is fixed with the cutter through a fixing bolt, and the other end of the cutter fixing frame penetrates through the adjusting shaft sleeve and is fixed through an adjusting bolt arranged on the side face; the supporting module is installed with adjusting the base with sliding mode matching, and the inside structure of adjusting of perpendicular distance adjusting part matches and locates inside adjusting the base and match the linkage through its inner structure and supporting module. The adjusting bolt can adjust the transverse distance of the cutter fixing frame in the adjusting shaft sleeve, the vertical distance adjusting assembly is used for adjusting the displacement of the supporting module in the vertical direction, the whole moving range of the cutter frame is improved due to the complementation of the adjusting bolt and the vertical distance adjusting assembly, and the processing requirement of large-size workpieces is met.
Description
Technical Field
The invention belongs to the technical field of lathe tool rests, and particularly relates to a tool rest for a lathe for machining internal and external threads.
Background
When the lathe is used for machining threads, the pipe piece is generally clamped by a clamping jaw of the lathe to drive the pipe piece to rotate, and the feed amount of the cutter is controlled by the feeding module to finish thread turning. When the processed pipe piece is large in size, the pipe piece can be kept stationary by some lathes, and the turning of threads is carried out by using a tool module fixed on the rotation of a lathe spindle; however, in the case of pipes with larger volume, the general tool holder can not meet the processing requirements even at the extreme adjusting position, so that a special tool holder is urgently needed for processing the threads of large-size pipe pieces.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a tool rest for a lathe for machining internal and external threads, wherein the feeding range can be freely adjusted.
In order to achieve the purpose, the invention adopts the following technical scheme: a lathe tool rest for machining internal and external threads comprises a tool fixing frame, an adjusting shaft sleeve, a vertical distance adjusting assembly, an adjusting base, a supporting module and a fixed main shaft; the fixed main shaft is fixed at the central position below the left end face of the adjusting base, and the adjusting shaft sleeve is fixed at the central position above the right end face of the supporting module; one end of the cutter fixing frame is matched and fixed with the cutter through a plurality of groups of fixing bolts, the other end of the cutter fixing frame penetrates through the matched adjusting shaft sleeve, and the cutter fixing frame is fixed through a plurality of groups of adjusting bolts arranged on the side surface of the adjusting shaft sleeve; the supporting module and the adjusting base are installed in a sliding mode in a matching and combining mode, and the internal adjusting structure of the vertical distance adjusting assembly is arranged in the adjusting base in a matching mode and is linked with the supporting module in a matching mode through the internal structure of the vertical distance adjusting assembly; support module one side and be equipped with the intercommunication spout and with slip table side assorted array locking bolt, the support module left and right sides still symmetry respectively is equipped with two sets of gyro wheel modules that match with the regulation base left end face. The transverse distance of the cutter fixing frame in the adjusting shaft sleeve can be adjusted through the adjusting bolt, the vertical distance adjusting assembly is used for adjusting the displacement of the supporting module in the vertical direction, the moving range of the whole cutter frame is greatly improved due to the complementation of the adjusting bolt and the vertical distance adjusting assembly, and the processing requirement of large-size workpieces is met; the locking bolt can adjust the matching tightness between the sliding chute and the sliding table, prevent the sliding of the supporting module during processing and ensure the processing precision; the roller module can assist the support module to slide on the adjusting base, and the stress of the vertical distance adjusting assembly is reduced.
Further, the cutter fixing frame comprises a cutter fixing port, an adjusting shaft arranged in the center of the left end face of the cutter fixing port and a transition adjusting shaft concentrically arranged on the left end face of the adjusting shaft; the length of transition adjusting shaft matches with the right end face of adjusting base, the cutter fixed port matches fixedly with the cutter through the multiunit fixing bolt that sets up. The segmented adjusting shaft and the transition adjusting shaft are convenient for limiting the whole tool fixing frame; the positioning of the whole cutter fixing frame is ensured through a plurality of groups of adjusting bolts acting on the adjusting shaft.
Furthermore, a transition round table connected with the adjusting shaft sleeve is arranged on the upper end face of the supporting module, and the transition round table is concentric with the adjusting shaft sleeve and is provided with a through hole matched with the transition adjusting shaft; the supporting module is characterized in that a longitudinal sliding groove is formed in the left end face of the supporting module, and a tooth groove matched with the internal structure of the vertical distance adjusting assembly is formed in the bottom of the sliding groove. The transition round platform plays limiting displacement, avoids transition regulating spindle and adjusts the base mutually to interfere.
Furthermore, the length of the adjusting base is far greater than that of the supporting module, a sliding table matched with the sliding groove is arranged on the right end face of the adjusting base, and the length of the sliding table is matched with that of the adjusting base; and a waist-shaped long groove matched with the internal structure of the vertical distance adjusting assembly is formed in the middle of the sliding table. The adjusting base which is far longer than the length of the supporting module ensures enough displacement of the supporting module, and the waist-shaped long groove provides space for linkage of the internal structure of the vertical distance adjusting assembly and the supporting module.
Furthermore, the roller module comprises four groups of mounting shaft sleeves fixed on two sides of the support module and roller assemblies fixed to the mounting shaft sleeves through locking nuts. The mounting shaft sleeve is used for providing a mounting position of the roller assembly.
Furthermore, each group of roller components comprises a roller, a fixed shaft for mounting the roller, a mounting shaft passing through the mounting shaft sleeve in a matching way and a square connecting block for connecting the mounting shaft and the fixed shaft; one end of the mounting shaft sleeve is flush with the left end face of the adjusting base, and the other end of the mounting shaft sleeve is flush with the right end face of the supporting module; the left end face of the mounting shaft sleeve is provided with a square groove matched with the square connecting block, and the surface of the roller is attached to the left end face of the adjusting base. The square connecting block is limited and positioned by the square groove arranged on the end face of the mounting shaft sleeve, so that the integral deviation of the roller assembly is prevented.
The invention has the beneficial effects that: the tool rest is simple to use and convenient to adjust; the locking bolt can adjust the matching tightness between the sliding chute and the sliding table, prevent the sliding of the supporting module during processing and ensure the processing precision; the roller module can assist the support module to slide on the adjusting base, so that the stress of the vertical distance adjusting assembly is reduced; the transverse distance of the cutter fixing frame in the adjusting shaft sleeve can be adjusted through the adjusting bolt, the vertical distance adjusting assembly is used for adjusting the displacement of the supporting module in the vertical direction, the whole moving range of the cutter frame is greatly enlarged due to complementation of the transverse distance adjusting assembly and the supporting module, and the processing requirement of large-size pipe fittings is met.
Drawings
Figure 1 is an isometric view of the present invention.
Fig. 2 is a schematic structural view of the tool holder and the support module of the present invention.
Fig. 3 is a schematic structural view of the adjustment base and the support module in the invention.
Fig. 4 is a schematic structural view of the roller module of the present invention.
The reference numbers illustrate: 1. the cutting tool comprises a cutting tool fixing frame, 2, a fixing bolt, 3, an adjusting bolt, 4, an adjusting shaft sleeve, 5, a vertical distance adjusting assembly, 6, an adjusting base, 7, a supporting module, 8, a fixing main shaft, 9, an installing shaft sleeve, 10, a cutting tool fixing port, 11, an adjusting shaft, 12, a transition adjusting shaft, 13, a transition circular truncated cone, 14, a through hole, 15, a sliding groove, 16, a tooth groove, 17, a locking bolt, 18, a sliding table, 19, a waist-shaped long groove, 20, a square groove, 21, an installing shaft, 22, a fixing shaft, 23, a square connecting block, 24, a roller, 25 and a locking nut.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
As shown in fig. 1, a tool rest for a lathe for machining internal and external threads comprises a tool fixing frame 1, an adjusting shaft sleeve 4, a vertical distance adjusting assembly 5, an adjusting base 6, a supporting module 7 and a fixed main shaft 8; the fixed main shaft 8 is fixed at the central position below the left end face of the adjusting base 6, the adjusting shaft sleeve 4 is fixed at the central position above the right end face of the supporting module 7, and the fixed main shaft 8 is connected with a rotating main shaft of the boring machine so as to drive the whole tool rest to rotate. One end of the cutter fixing frame 1 is matched and fixed with cutters through a plurality of groups of fixing bolts 2, the other end of the cutter fixing frame passes through the matched adjusting shaft sleeve 4, and the cutter fixing frame 1 is fixed through a plurality of groups of adjusting bolts 3 arranged on the side face of the adjusting shaft sleeve 4. The supporting module 7 and the adjusting base 6 are installed in a sliding mode in a matching and combining mode, and the internal adjusting structure of the vertical distance adjusting assembly 5 is matched and arranged inside the adjusting base 6 and is linked with the supporting module 7 in a matching mode through the internal structure of the adjusting base. The transverse distance of the cutter fixing frame 1 in the adjusting shaft sleeve 4 can be adjusted through the adjusting bolt 3, the vertical distance adjusting assembly 5 is used for adjusting the displacement of the supporting module 7 in the vertical direction, the whole moving range of the cutter rest is greatly improved due to complementation of the vertical distance adjusting assembly and the supporting module, and the processing requirement of large-size workpieces is met.
As shown in fig. 1 and 2, the tool holder 1 for a lathe for processing internal and external threads comprises a tool fixing port 10, an adjusting shaft 11 arranged at the center of the left end face of the tool fixing port 10, and a transition adjusting shaft 12 concentrically arranged on the left end face of the adjusting shaft 11; the segmented adjusting shaft 11 and the transition adjusting shaft 12 are convenient for limiting the whole tool fixing frame 1; the positioning of the whole cutter fixing frame 1 is ensured through a plurality of groups of adjusting bolts 3 acting on the adjusting shaft 11. The length of the transition adjusting shaft 12 is matched with the right end face of the adjusting base 6, and the cutter fixing port 10 is matched and fixed with a cutter through a plurality of groups of fixing bolts 2. The upper end surface of the supporting module 7 is provided with a transition round table 13 connected with the adjusting shaft sleeve 4, and the transition round table 13 is concentric with the adjusting shaft sleeve 4 and is provided with a through hole 14 matched with the transition adjusting shaft 12; the left end face of the supporting module 7 is provided with a longitudinal sliding groove 15, and the bottom of the sliding groove 15 is provided with a tooth groove 16 matched with the internal structure of the vertical distance adjusting assembly 5. The transition round platform 13 plays a limiting role, and the transition adjusting shaft 12 is prevented from interfering with the adjusting base 6.
As shown in fig. 2 and 3, the length of the adjusting base 6 is much longer than that of the support module 7, a sliding table 18 matched with the sliding groove 16 is arranged on the right end face of the adjusting base, and the length of the sliding table 18 is matched with that of the adjusting base 6; the adjusting base 6, which is much longer than the length of the supporting module 7, ensures sufficient displacement of the supporting module 7 for adapting to large-sized workpieces. The middle part of the sliding table 18 is provided with a waist-shaped long groove 19 matched with the internal structure of the vertical distance adjusting assembly 5, and the waist-shaped long groove 19 provides a space for linkage of the internal structure of the vertical distance adjusting assembly 5 and the supporting module 7. The waist-shaped long groove 19 is internally provided with a lead screw assembly, the upper end of the lead screw assembly is connected with a rotating handle arranged at the top end of the adjusting base 6, the lower end of the lead screw assembly is provided with a linkage module matched with the tooth socket 16, the lead screw assembly is driven to rotate by rotating the handle, the circumferential rotation of the lead screw assembly is converted into axial movement by the linkage module, and the vertical displacement of the supporting module 7 is completed by the matching linkage of the linkage module and the tooth socket 16.
As shown in fig. 2 and 3, in the tool holder for a lathe for machining internal and external threads, a plurality of sets of locking bolts 17 communicated with the sliding groove 15 are arranged on one side of the support module 7, and the plurality of sets of locking bolts 17 are matched with the side edge of the sliding table 18. The locking bolt 17 can adjust the matched tightness between the sliding chute 15 and the sliding table 18, prevent the support module 7 from sliding during processing and ensure the processing precision.
As shown in fig. 4, two sets of roller modules matched with the left end surface of the adjusting base 6 are symmetrically arranged on the left side and the right side of the supporting module 7 respectively. The roller module can assist the support module 7 in sliding on the adjusting base 6, and the stress of the vertical distance adjusting assembly 5 is reduced. The roller module comprises four groups of mounting shaft sleeves 9 fixed on two sides of the support module 7 and roller assemblies fixed to the mounting shaft sleeves 9 through locking nuts 25; each group of roller components comprises a roller 24, a fixing shaft 22 for mounting the roller 24, a mounting shaft 21 which passes through the mounting shaft sleeve 9 in a matching way, and a square connecting block 23 for connecting the mounting shaft 21 and the fixing shaft 22. One end of the mounting shaft sleeve 9 is flush with the left end face of the adjusting base 6, and the other end of the mounting shaft sleeve supports the right end face of the module 7; the left end face of the mounting shaft sleeve 9 is provided with a square groove 20 matched with the square connecting block 23, and the surface of the roller 24 is attached to the left end face of the adjusting base 6. The mounting sleeve 9 provides a mounting position for the roller assembly, and the square groove 20 arranged on the end surface limits and positions the square connecting block 23 to prevent the integral deviation of the roller assembly.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Simple substitutions without changing the inventive content of the present invention are considered to be the same. The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a processing inside and outside screw thread's knife rest for lathe which characterized in that: the tool rest comprises a tool fixing frame (1), an adjusting shaft sleeve (4), a vertical distance adjusting assembly (5), an adjusting base (6), a supporting module (7) and a fixed main shaft (8); the supporting module (7) and the adjusting base (6) are installed in a sliding mode in a matching and combining mode, the fixed main shaft (8) is fixed at the central position below the left end face of the adjusting base (6), and the adjusting shaft sleeve (4) is fixed at the central position above the right end face of the supporting module (7); one end of the cutter fixing frame (1) fixes the cutter through a plurality of groups of fixing bolts (2), and the other end of the cutter fixing frame passes through the matched adjusting shaft sleeve (4) and fixes the cutter fixing frame (1) through a plurality of groups of adjusting bolts (3) arranged on the outer side of the adjusting shaft sleeve (4); the internal structure of the vertical distance adjusting assembly (5) is arranged inside the adjusting base (6) and is matched and installed and linked with the supporting module (7) through the internal structure; support module (7) one side and be equipped with intercommunication spout (15) and with slip table (18) side assorted array locking bolt (17), the support module (7) left and right sides still symmetry respectively is equipped with two sets of gyro wheel modules that match with adjustment base (6) left end face.
2. The tool holder for a lathe for machining internal and external threads according to claim 1, wherein: the cutter fixing frame (1) comprises a cutter fixing port (10), an adjusting shaft (11) arranged in the center of the front end face of the cutter fixing port (10) and a transition adjusting shaft (12) concentrically arranged on the front end face of the adjusting shaft (11); the length of transition adjusting shaft (12) matches with the right end face of adjusting base (6), and cutter fixed port (10) matches fixedly with the cutter through the multiunit fixing bolt (2) that sets up.
3. The tool holder for a lathe for machining internal and external threads according to claims 1 and 2, wherein: the upper end face of the supporting module (7) is provided with a transition round table (13) of the adjusting shaft sleeve (4) which is connected with the upper end face of the supporting module, and the transition round table (13) is concentric with the adjusting shaft sleeve (4) and is provided with a through hole (14) matched with the transition adjusting shaft (12); the left end face of the supporting module (7) is provided with a longitudinal sliding groove (15), and the end face of the sliding groove (15) is provided with a tooth groove (16) matched with the internal structure of the vertical distance adjusting assembly (5).
4. The tool holder for a lathe for machining internal and external threads according to claim 3, wherein: the length of the adjusting base (6) is far greater than that of the supporting module (7), a sliding table (18) matched with the sliding groove (15) is arranged on the right end face of the adjusting base (6), and the length of the sliding table (18) is matched with that of the adjusting base (6); and a waist-shaped long groove (19) matched with the internal structure of the vertical distance adjusting assembly (5) is formed in the middle of the sliding table (18).
5. The tool holder for a lathe for machining internal and external threads according to claim 1, wherein: the roller module comprises four groups of mounting shaft sleeves (9) fixed on two sides of the support module (7) and roller assemblies fixed to the mounting shaft sleeves (9) through locking nuts (25).
6. The tool holder for a lathe for machining internal and external threads according to claims 1 and 5, wherein: each group of roller components comprises a roller (24), a fixed shaft (22) for mounting the roller (24), a mounting shaft (21) which passes through the mounting shaft sleeve (9) in a matching way, and a square connecting block (23) for connecting the mounting shaft (21) and the fixed shaft (22); one end of the mounting shaft sleeve (9) is flush with the left end face of the adjusting base (6), and the other end of the mounting shaft sleeve supports the right end face of the module (7); the left end face of the mounting shaft sleeve (9) is provided with a square groove (20) matched with the square connecting block (23), and the surface of the roller (24) is attached to the left end face of the adjusting base (6).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010377316.8A CN111421153A (en) | 2020-05-07 | 2020-05-07 | Tool rest for lathe for processing internal and external threads |
| PCT/CN2020/098242 WO2021223308A1 (en) | 2020-05-07 | 2020-06-24 | Lathe tool holder for machining internal and external threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010377316.8A CN111421153A (en) | 2020-05-07 | 2020-05-07 | Tool rest for lathe for processing internal and external threads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111421153A true CN111421153A (en) | 2020-07-17 |
Family
ID=71550734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010377316.8A Pending CN111421153A (en) | 2020-05-07 | 2020-05-07 | Tool rest for lathe for processing internal and external threads |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111421153A (en) |
| WO (1) | WO2021223308A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799243B (en) * | 2022-05-12 | 2024-01-19 | 齐齐哈尔精工伟业机床有限公司 | Cutter mounting and fixing structure for numerical control lathe |
| CN116038366B (en) * | 2023-03-20 | 2023-08-15 | 苏州普利格精密科技有限公司 | CNC digit control machine tool is with convenient to detach's blade holder |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010131720A (en) * | 2008-12-05 | 2010-06-17 | Denso Corp | Cutting tool holding mechanism |
| CN201471177U (en) * | 2009-08-06 | 2010-05-19 | 何理瑞 | Special-purpose fixture for quickly processing center holes |
| CN201592295U (en) * | 2009-11-13 | 2010-09-29 | 鲁西工业装备有限公司 | High-pressure pipeline thread machining device |
| CN101954493A (en) * | 2010-08-13 | 2011-01-26 | 扬州华宇管件有限公司 | Adjustable knife rest |
| CN205020836U (en) * | 2015-08-17 | 2016-02-10 | 天津思为机器设备有限公司 | Processing wheel hub cutter holder for merry go round machine |
| CN209021706U (en) * | 2018-11-21 | 2019-06-25 | 东莞市信迪机械工具有限公司 | A kind of cutter turning lathe |
-
2020
- 2020-05-07 CN CN202010377316.8A patent/CN111421153A/en active Pending
- 2020-06-24 WO PCT/CN2020/098242 patent/WO2021223308A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021223308A1 (en) | 2021-11-11 |
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