CN113857870A - Pipeline boring and end face beveling machine - Google Patents
Pipeline boring and end face beveling machine Download PDFInfo
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- CN113857870A CN113857870A CN202111001351.0A CN202111001351A CN113857870A CN 113857870 A CN113857870 A CN 113857870A CN 202111001351 A CN202111001351 A CN 202111001351A CN 113857870 A CN113857870 A CN 113857870A
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
The invention discloses a pipeline boring and end face beveling machine, which comprises a machine tool, a transmission assembly, a cutting assembly and a clamping assembly, wherein the transmission assembly is arranged on the machine tool; the machine tool comprises a base, a machine tool body, a motor and a gearbox, wherein the machine tool body is hollow; the transmission assembly comprises an adjusting plate, a guide rail and a cylinder, and the cylinder is connected with the gearbox; the cutting assembly comprises a cutter head and a cutter, and the cutter head is connected with the cylinder in a matched manner; the clamping assembly is fixedly connected with the base; according to the invention, by arranging the cutter head, the position of the cutter on the cutter head is adjusted, and the heights of the adjusting plate and the telescopic rod are adjusted, so that the machining of pipe fittings with different diameters can be completed; the pipe fitting can be cut, ground or bored by replacing the bevel cutter, the end face cutter or the boring cutter; the cutter moves around the pipe fitting in a circular mode and moves back and forth, so that the common stepping motor is replaced to realize longitudinal and transverse cutting; compared with common hydraulic machine tools, the equipment manufacturing cost is greatly reduced, three different types of machining can be completed on one machine tool only by replacing the cutter, and the machining efficiency is effectively improved.
Description
Technical Field
The invention relates to the technical field of pipeline machining, in particular to a pipeline boring and end face beveling machine.
Background
When a groove of a pipe fitting is machined in a workshop, the groove can be machined on a common lathe for the small-sized pipe fitting, the working principle is that the pipe fitting rotates, and the groove is fixedly cut by a turning tool; while medium and large sizes are limited by the pipe height and bend radius, this method is limited by the pipe size. The method for processing the groove by the pipe fitting manufacturer generally comprises the following steps that the pipe fitting is static in the working principle, a forming cutter which is the same as the groove is ground in advance, and the cutter is rotated by manpower and a speed reducer to finish cutting processing. For large-caliber (more than or equal to DN600) pipe fittings, a groove can be machined by adopting a gas cutting and grinding method, the method is time-consuming and labor-consuming, and the quality of the groove is difficult to ensure.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The invention is provided in view of the problems of the prior pipeline boring and end face beveling machine.
Therefore, the invention aims to provide a pipeline boring and end face beveling machine which aims at completing beveling, boring and end face machining on pipes with different diameters.
In order to solve the technical problems, the invention provides the following technical scheme: a pipeline boring and end face beveling machine comprises a machine tool, a transmission assembly, a cutting assembly and a clamping assembly; the machine tool comprises a base, a machine tool body, a motor and a gearbox, wherein the machine tool body is hollow; the transmission assembly comprises an adjusting plate, a guide rail and a cylinder, and the cylinder is connected with the gearbox; the cutting assembly comprises a cutter head and a cutter, and the cutter head is connected with the cylinder in a matched manner; and the clamping assembly is fixedly connected with the base.
As a preferred scheme of the pipeline boring and end face beveling machine, the invention comprises the following steps: the machine tool body is fixedly arranged at the upper end of the middle part of the base; the motor is arranged at the upper end of the middle part of the machine tool body; the gearbox is arranged on the right side of the machine tool body, and the bottom surface of the gearbox is fixedly connected with the base; the input end of the gearbox is connected with the motor; the gearbox is provided with a speed changing handle.
As a preferred scheme of the pipeline boring and end face beveling machine, the invention comprises the following steps: the adjusting plate is arranged at the bottom of an inner cavity of the machine tool body; the guide rail with face fixed connection on the regulating plate, the guide rail top is provided with first lug.
As a preferred scheme of the pipeline boring and end face beveling machine, the invention comprises the following steps: the cylinder comprises an inner ring, an outer ring and an annular chassis; the outer ring is fixedly connected to the outer edge of the annular chassis; an annular limiting groove is formed in the inner wall of the annular chassis, and the bottom of the inner ring can be inserted into the annular limiting groove in a matched mode and rotates.
As a preferred scheme of the pipeline boring and end face beveling machine, the invention comprises the following steps: a sliding block is arranged on the side wall of the outer ring and slides on the first convex block of the guide rail in a matching manner; two groups of first limiting grooves are symmetrically formed in the outer edge of one side, away from the annular chassis, of the inner ring, and the inner ring is connected with the output end of the gearbox.
As a preferred scheme of the pipeline boring and end face beveling machine, the invention comprises the following steps: the transmission assembly further comprises a stepping motor which is arranged on the outer side of the sliding block and connected with the sliding block.
As a preferred scheme of the pipeline boring and end face beveling machine, the invention comprises the following steps: the cutter head is rectangular, a through hole is formed in the middle of the cutter head, a limiting lug is arranged on the disc surface on one side of the cutter head, and the limiting lug can be inserted into the first limiting groove in a matched mode.
As a preferred scheme of the pipeline boring and end face beveling machine, the invention comprises the following steps: the cutting assembly further comprises: the connecting piece is I-shaped, a second limiting groove is formed in the middle of the short edge of the connecting piece, and limiting holes are formed in the two ends of the long edge of the connecting piece; the bolt can be inserted in the limiting hole in a matching manner; and a second lug is arranged on one side of the cutter and can be matched and inserted in the second limiting groove.
As a preferred scheme of the pipeline boring and end face beveling machine, the invention comprises the following steps: the clamping assembly comprises a telescopic rod and a clamping jaw, and the telescopic rod is fixedly connected with the base; the clamping jaw is matched and connected with the telescopic rod and is coaxial with the cylinder.
As a preferred scheme of the pipeline boring and end face beveling machine, the invention comprises the following steps: and a switch is arranged on the outer side of the machine tool body and connected with the motor and the stepping motor.
The invention has the beneficial effects that:
according to the invention, by arranging the cutter head, the position of the cutter on the cutter head is adjusted, and the heights of the adjusting plate and the telescopic rod are adjusted, so that the machining of pipe fittings with different diameters can be completed; the pipe fitting can be cut, ground or bored by replacing the bevel cutter, the end face cutter or the boring cutter; the cutter moves around the pipe fitting in a circular mode and moves back and forth, so that the common stepping motor is replaced to realize longitudinal and transverse cutting; compared with common hydraulic machine tools, the equipment manufacturing cost is greatly reduced, three different types of machining can be completed on one machine tool only by replacing the cutter, and the machining efficiency is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic view of the overall structure of the pipe boring and end face beveling machine of the present invention.
Fig. 2 is a schematic structural view of a transmission assembly of the pipeline boring and end face beveling machine.
Fig. 3 is a schematic view of a cylindrical section structure of the pipe boring and end face beveling machine of the present invention.
Fig. 4 is a schematic view of a cutter head structure of the pipeline boring and end face beveling machine of the invention.
Fig. 5 is a schematic view of a connecting piece structure of the pipeline boring and end face beveling machine.
Fig. 6 is a schematic structural diagram of the connecting piece and the cutter head of the pipeline boring and end face beveling machine of the invention.
Fig. 7 is an assembled side view of the cutting assembly of the pipe boring and end beveling machine of the present invention.
Fig. 8 is a schematic structural view of a clamping assembly of the pipe boring and end beveling machine of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1 and 2, a first embodiment of the present invention provides a pipe boring and end beveling machine, which comprises a machine tool 100, a transmission assembly 200, a cutting assembly 300 and a clamping assembly 400; the machine tool 100 comprises a base 101, a machine tool body 102, a motor 103 and a gearbox 104, wherein the machine tool body 102 is hollow; the transmission assembly 200 comprises an adjusting plate 201, a guide rail 202 and a cylinder 203, wherein the cylinder 203 is connected with the gearbox 104; the cutting assembly 300 comprises a cutter disc 301 and a cutter 302, wherein the cutter disc 301 is matched and connected with the cylinder 203; the clamping assembly 400 is fixedly attached to the base 101.
The machine tool body 102 is fixedly arranged at the upper end of the middle part of the base 101, the motor 103 is arranged at the upper end of the middle part of the machine tool body 102, the gearbox 104 is arranged at the right side of the machine tool body 102, and the bottom surface of the gearbox is fixedly connected with the base 104; the input end of the gearbox 104 is connected with the motor 103; the transmission case 104 is provided with a shift knob 104 a.
In the use, the pipe fitting that centre gripping subassembly 400 will need processing is fixed, and motor 103 drives gearbox 104 work, and three kinds of output rotational speeds, common three kinds of rotational speeds are switched to accessible gear shift handle 104 a: the rotating speed is selected from 18rpm, 32rpm and 58rpm, the specification of the pipe fitting to be processed is determined, and the rotating speed is set to be lower when the specification is larger; the gear box 104 drives the cylinder 203 to move, and the cylinder 203 drives the cutting assembly 300 to machine the pipe.
Example 2
Referring to fig. 1 and 3, a second embodiment of the present invention, which is different from the first embodiment, is: the adjusting plate 201 is arranged at the bottom of the inner cavity of the machine tool body 102; the bottom of the guide rail 202 is fixedly connected with the upper plate surface of the adjusting plate 201, and a first bump 202a is arranged above the guide rail 202; the cylinder 203 comprises an inner ring 203a, an outer ring 203b and an annular bottom plate 203 c; the outer ring 203b is fixedly connected with the outer edge of the annular base plate 203 c; an annular limiting groove 203c-1 is formed in the inner wall of the annular base plate 203c, and the bottom of the inner ring 203a can be inserted into the annular limiting groove 203c-1 in a matched mode and rotate; the side wall of the outer ring 203b is provided with a sliding block 203b-1, and the sliding block 203b-1 is matched and slides on the first lug 202a of the guide rail 202.
Compared with the embodiment 1, further, the transmission assembly 200 further includes a stepping motor 204 disposed outside the sliding block 203b-1 and connected to the sliding block 203 b-1.
Preferably, the adjusting plate 201 may be a hydraulic adjusting plate.
The rest of the structure is the same as that of embodiment 1.
In the using process, the motor 103 drives the gearbox 104 to work after working and starting, the gearbox 104 drives the inner ring 203a of the cylinder 203 to rotate, namely, the inner ring 203a rotates in the annular limiting groove 203c-1 and rotates relative to the outer ring 203b and the annular chassis 203c, and the cutting assembly 300 rotates along with the inner ring 203 a; when the stepping motor 204 works, the sliding block 203b-1 is driven to reciprocate back and forth on the first lug 202a of the guide rail 202, so that the pipe fitting is cut; the height of the adjusting plate 201 can be adjusted as needed, so that the distance between the driving assembly 200 and the cutting assembly 300 and the ground is increased, and the pipe fitting processing is facilitated.
Example 3
Referring to fig. 4 to 7, a third embodiment of the present invention is different from the second embodiment in that: the cutter disc 301 is rectangular, a through hole 301a is formed in the middle of the cutter disc, a limiting lug 301b is arranged on the disc surface on one side of the cutter disc, and the limiting lug 301b can be matched and inserted into the first limiting groove 203 a-1.
Compared with the embodiment 2, the cutting assembly 300 further comprises a connecting piece 303 and a bolt 304, wherein the connecting piece 303 is i-shaped, the middle part of the short side of the connecting piece is provided with a second limiting groove 303a, and two ends of the long side of the connecting piece are provided with limiting holes 303 b; the bolt 304 can be inserted into the limit hole 303b in a matching manner; a second protrusion 302a is disposed on one side of the cutter 302, and the second protrusion 302a can be inserted into the second limiting groove 303a in a matching manner.
The rest of the structure is the same as that of embodiment 2.
In the using process, the limiting lug 301b of the cutter head 301 is matched and inserted into the first limiting groove 203a-1 of the inner ring 203a, the connecting piece 303 penetrates through the through hole 301a, the long edge of the connecting piece is positioned on the same side as the limiting lug 301b and is perpendicular to the through hole 301a, and the short edge of the connecting piece is positioned on the other side opposite to the limiting lug 301b, so that the connecting piece 303 can slide on the cutter head 301; after the position of the connecting piece 303 is determined according to the diameter of the machined pipe fitting, two bolts 304 are respectively inserted into the limiting holes 303b, and the bolts 304 are screwed down to complete the connection of the connecting piece 303 and the cutter head 304; selecting different cutters 302 according to machining, selecting an end face cutter when machining an end face, selecting a bevel cutter when machining a bevel groove, selecting a boring cutter when machining a bore hole of the pipe fitting, and inserting a second lug 302a on one side of the cutter 302 into a second limiting groove 303a on the short side of a connecting piece 303; the motor 103 drives the gearbox 104 to work, the gearbox 104 drives the inner ring 203a to rotate, the inner ring 203a drives the cutter head 301 to rotate, and the cutter head 301 drives the cutter 302 installed through the connecting piece 303 to rotate around the pipe fitting, so that the pipe fitting is machined and cut; the position of the coupling 303 on the impeller 301 can be adjusted according to the diameter of the pipe.
Example 4
Referring to fig. 1 and 8, a fourth embodiment of the present invention, which is different from the third embodiment, is: the clamping assembly 400 comprises a telescopic rod 401 and a clamping jaw 402, wherein the telescopic rod 401 is fixedly connected with the base 101; the clamping jaw 402 is connected with the telescopic rod 401 in a matching way and is coaxial with the cylinder 203; the bottom of the clamping jaw 402 is provided with a spring 402a, and the other end of the spring 402a is fixedly connected with two sides of the top of the telescopic rod 401.
Compared with embodiment 3, further, a switch 102a is arranged outside the machine tool body 102, and the switch 102a is connected with the motor 103 and the stepping motor 204.
The rest of the structure is the same as that of example 3.
In the use process, the height of the telescopic rod 401 is adjusted according to different diameters of the machined pipe fittings, the clamping jaw 402 is pulled outwards, the pipe fittings are placed in the middle of the clamping jaw 402, the clamping jaw 402 is loosened, the pipe fittings are clamped, one end of each pipe fitting to be machined is placed on the front side of the cutter head 301, the positions of the connecting piece 303 and the cutter 302 are adjusted according to the diameter of the pipe fittings, and the height of the adjusting plate 201 can be adjusted if necessary; when only the port or the bore of the pipe fitting needs to be machined, only the button connected with the motor 103 on the switch 102a can be turned on, so that the motor 103 drives the gearbox 104 to work, the inner ring 203a is driven to rotate, the inner ring 203a drives the cutter head 301 to rotate, the cutter head 301 drives the cutter 302 installed through the connecting piece 303 to rotate at the port of the pipe fitting, and therefore the port of the pipe fitting is machined; when a groove needs to be machined, two buttons connected with the motor 103 and the stepping motor 204 on the switch 102a are turned on simultaneously, so that the stepping motor 204 drives the slider 203b-1 to reciprocate on the guide rail 202, the slider 203b-1 drives the cylinder 203 to integrally reciprocate, the gearbox 04 drives the inner ring 203a to rotate, the inner ring 203a drives the cutting assembly 300 to integrally rotate, and the cutting assembly 300 moves around a pipe and moves back and forth at one side, so that the groove machining of the pipe is completed.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a pipeline bore hole and end face beveling machine which characterized in that: the method comprises the following steps:
the machine tool (100) comprises a base (101), a machine tool body (102), a motor (103) and a gearbox (104), wherein the interior of the machine tool body (102) is hollow;
the transmission assembly (200) comprises an adjusting plate (201), a guide rail (202) and a cylinder (203), and the cylinder (203) is connected with the gearbox (104);
the cutting assembly (300) comprises a cutter disc (301) and a cutter (302), and the cutter disc (301) is connected with the cylinder (203) in a matched mode; and the number of the first and second groups,
the clamping assembly (400) is fixedly connected with the base (101).
2. The pipe boring and end beveling machine of claim 1, wherein: the machine tool body (102) is fixedly arranged at the upper end of the middle part of the base (101);
the motor (103) is arranged at the upper end of the middle part of the machine tool body (102);
the gearbox (104) is arranged on the right side of the machine tool body (102), and the bottom surface of the gearbox is fixedly connected with the base (104);
the input end of the gearbox (104) is connected with the motor (103);
the gearbox (104) is provided with a speed changing handle (104 a).
3. The pipe boring and end beveling machine of claim 2, wherein: the adjusting plate (201) is arranged at the bottom of an inner cavity of the machine tool body (102);
the guide rail (202) with face fixed connection on regulating plate (201), guide rail (202) top is provided with first lug (202 a).
4. The pipe boring and end face beveling machine according to any one of claims 1 to 3, wherein: the cylinder (203) comprises an inner ring (203a), an outer ring (203b) and an annular chassis (203 c);
the outer ring (203b) is fixedly connected to the outer edge of the annular chassis (203 c);
an annular limiting groove (203c-1) is formed in the inner wall of the annular base plate (203c), and the bottom of the inner ring (203a) can be inserted into the annular limiting groove (203c-1) in a matched mode and rotates.
5. The pipe boring and end beveling machine of claim 4, wherein: a sliding block (203b-1) is arranged on the side wall of the outer ring (203b), and the sliding block (203b-1) is matched and slides on a first convex block (202a) of the guide rail (202);
two groups of first limiting grooves (203a-1) are symmetrically formed in the outer edge of one side, away from the annular chassis (203c), of the inner ring (203a), and the inner ring (203a) is connected with the output end of the gearbox (104).
6. The pipe boring and end beveling machine of claim 5, wherein: the transmission assembly (200) further comprises a stepping motor (204) which is arranged on the outer side of the sliding block (203b-1) and connected with the sliding block (203 b-1).
7. The pipe boring and end beveling machine of claim 6 wherein: the cutter head (301) is rectangular, a through hole (301a) is formed in the middle of the cutter head, a limiting lug (301b) is symmetrically arranged on the disc surface on one side of the cutter head, and the limiting lug (301b) can be matched and inserted into the first limiting groove (203 a-1).
8. A pipe boring and end face bevelling machine as claimed in any one of claims 1-3 and 5-7, wherein: the cutting assembly (300) further comprises:
the connecting piece (303), the said connecting piece (303) is I-shaped, its minor face middle part has second spacing grooves (303a), its long edge both ends have spacing holes (303 b);
the bolt (304) can be matched and inserted into the limiting hole (303 b);
a second bump (302a) is arranged on one side of the cutter (302), and the second bump (302a) can be matched and inserted into the second limiting groove (303 a).
9. The pipe boring and end beveling machine of claim 8, wherein: the clamping assembly (400) comprises:
the telescopic rod (401) is fixedly connected with the base (101);
a clamping jaw (402) which is connected with the telescopic rod (401) in a matching way and is coaxial with the cylinder (203);
the bottom of the clamping jaw (402) is provided with a spring (402a), and the other end of the spring (402a) is fixedly connected with two sides of the top of the telescopic rod (401).
10. The pipe boring and end face beveling machine of any one of claims 5-7 and 9, wherein: a switch (102a) is arranged on the outer side of the machine tool body (102), and the switch (102a) is connected with the motor (103) and the stepping motor (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111001351.0A CN113857870A (en) | 2021-08-30 | 2021-08-30 | Pipeline boring and end face beveling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111001351.0A CN113857870A (en) | 2021-08-30 | 2021-08-30 | Pipeline boring and end face beveling machine |
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| Publication Number | Publication Date |
|---|---|
| CN113857870A true CN113857870A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111001351.0A Pending CN113857870A (en) | 2021-08-30 | 2021-08-30 | Pipeline boring and end face beveling machine |
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| CN202984708U (en) * | 2012-12-20 | 2013-06-12 | 浙江汉纳机械科技有限公司 | Boring cutter adjusting device |
| CN204234769U (en) * | 2014-11-26 | 2015-04-01 | 浙江特普机床制造有限公司 | Horizontal special boring mill radial feed dish |
| CN210848371U (en) * | 2019-10-17 | 2020-06-26 | 中国航空工业集团公司洛阳电光设备研究所 | Adjustable boring machine tool |
| CN211438144U (en) * | 2019-10-17 | 2020-09-08 | 南安南大机械有限公司 | Novel variable-gear numerical control exhibition tool bit |
| CN112453495A (en) * | 2020-11-20 | 2021-03-09 | 湖南力方轧辊有限公司 | Deep hole boring and drilling machine for roller production |
-
2021
- 2021-08-30 CN CN202111001351.0A patent/CN113857870A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201603905U (en) * | 2009-12-11 | 2010-10-13 | 河北省电力建设第二工程公司 | Tube groove cutting machine |
| CN102069202A (en) * | 2010-12-30 | 2011-05-25 | 宁波鸿达电机模具有限公司 | Large-pore diameter precision boring tool for machining center |
| CN202984708U (en) * | 2012-12-20 | 2013-06-12 | 浙江汉纳机械科技有限公司 | Boring cutter adjusting device |
| CN204234769U (en) * | 2014-11-26 | 2015-04-01 | 浙江特普机床制造有限公司 | Horizontal special boring mill radial feed dish |
| CN210848371U (en) * | 2019-10-17 | 2020-06-26 | 中国航空工业集团公司洛阳电光设备研究所 | Adjustable boring machine tool |
| CN211438144U (en) * | 2019-10-17 | 2020-09-08 | 南安南大机械有限公司 | Novel variable-gear numerical control exhibition tool bit |
| CN112453495A (en) * | 2020-11-20 | 2021-03-09 | 湖南力方轧辊有限公司 | Deep hole boring and drilling machine for roller production |
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Application publication date: 20211231 |
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| RJ01 | Rejection of invention patent application after publication |