CN114161169B - Preheating cutter for machining inner hole R groove of butterfly valve body - Google Patents
Preheating cutter for machining inner hole R groove of butterfly valve body Download PDFInfo
- Publication number
- CN114161169B CN114161169B CN202111668632.1A CN202111668632A CN114161169B CN 114161169 B CN114161169 B CN 114161169B CN 202111668632 A CN202111668632 A CN 202111668632A CN 114161169 B CN114161169 B CN 114161169B
- Authority
- CN
- China
- Prior art keywords
- heat
- cutter
- heat conduction
- conduction piece
- temperature difference
- 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.)
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Links
- 238000003754 machining Methods 0.000 title abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 238000009835 boiling Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 16
- 239000004065 semiconductor Substances 0.000 claims description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P25/00—Auxiliary treatment of workpieces, before or during machining operations, to facilitate the action of the tool or the attainment of a desired final condition of the work, e.g. relief of internal stress
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a preheating cutter for machining an inner hole R groove of a butterfly valve body, which relates to the technical field of numerical control cutters and comprises an R groove cutter, wherein the R groove cutter is fixed on a cutter clamp through a bolt; the temperature difference heat conduction piece is provided with a heat absorption end and a heat release end, the heat absorption end of the temperature difference heat conduction piece is tightly attached and fixed with the cutter clamp, and the heat release end of the temperature difference heat conduction piece is tightly attached and fixed with the pressure container; the pressure vessel is filled with liquid with the boiling point of 78-111 ℃; the telescopic heat conducting piece is arranged on the pressure vessel along the circumferential direction. According to the invention, by arranging the temperature difference heat conduction piece and introducing current, one side of the temperature difference heat conduction piece absorbs heat and one side releases heat, the heat absorbing end can absorb heat of the R groove cutter and preheat an inner hole of the butterfly valve body, so that on one hand, the abrasion caused by reducing the hardness of the R groove cutter by the heat is avoided, and on the other hand, the hardness of the inner hole of the butterfly valve body can be reduced by preheating, and the abrasion, bending and tipping of the R groove cutter are further avoided.
Description
Technical Field
The invention relates to the technical field of numerical control cutters, in particular to a preheating cutter for machining an inner hole R groove of a butterfly valve body.
Background
As shown in fig. 4, which is a schematic diagram of a part of a structure of a butterfly valve body, an inner hole of the butterfly valve body is provided with an R-shaped groove which is close to a 3/4 circle, the R-shaped groove is used for installing a key sealing position of a sealing ring, the sealing groove is required to meet the requirement of roughness Ra1.6, and a knife is required to be machined, otherwise, a knife connecting mark exists, so that the machining requirement of the R-shaped groove is higher, in order to meet the machining of the R-shaped groove, the shape of a knife is more often changed, the contact area of the knife and the butterfly valve body is larger, the temperature is higher, stress cracks are more easily formed at the cutting edge of a knife blade, and the knife blade is more easily worn, bent and broken during machining, so that the roughness of a product cannot meet the requirement, and thus the requirement is urgently needed to be changed.
Disclosure of Invention
The invention aims to solve the problems and provides a preheating cutter for processing an inner hole R groove of a butterfly valve body.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a preheat cutter in processing butterfly valve body hole R groove, includes the cutter mount, be provided with the cutter anchor clamps on the cutter mount, still include:
the R groove cutter is fixed on the cutter clamp through a bolt;
the temperature difference heat conduction piece is provided with a heat absorption end and a heat release end, the heat absorption end of the temperature difference heat conduction piece is tightly attached and fixed with the cutter clamp, and the heat release end of the temperature difference heat conduction piece is tightly attached and fixed with the pressure container;
a pressure vessel filled with a liquid having a boiling point of 78-111 ℃;
the telescopic heat conduction piece is arranged on the pressure vessel along the circumferential direction, the telescopic heat conduction piece is driven to stretch and conduct heat when liquid in the pressure vessel is vaporized, and the telescopic heat conduction piece is driven to reset when liquid in the pressure vessel is liquefied.
Optionally, the temperature difference heat conduction piece is composed of an N-type semiconductor material, a P-type semiconductor material, a first joint and a second joint;
the N-type semiconductor material and the P-type semiconductor material are formed in a point-to-point manner and are arranged between the first connector and the second connector, and the first connector and the second connector are respectively tightly attached and fixed with the cutter clamp and the pressure container.
Alternatively, the liquid is one of toluene, pure water and ethanol.
Optionally, the telescopic heat conduction member comprises a piston rod, a piston, a spring and a heat conduction block;
the piston is arranged in the pressure container, one side of the piston rod is fixed with the piston, a transverse gap at the other side of the piston rod penetrates through the pressure container and extends to the outside of the piston rod to be fixed with the heat conducting block, and the spring is arranged on the piston rod and between the heat conducting block and the pressure container;
the piston rod and the heat conducting block are of hollow structures and are communicated, and the piston rod penetrates through the piston and is communicated with the pressure container.
Compared with the prior art, the invention has the following advantages:
according to the invention, by arranging the temperature difference heat conduction piece and introducing current, one side of the temperature difference heat conduction piece absorbs heat and one side releases heat, the heat absorbing end can absorb heat of the R groove cutter and preheat an inner hole of the butterfly valve body, so that on one hand, the abrasion caused by reducing the hardness of the R groove cutter by the heat is avoided, and on the other hand, the hardness of the inner hole of the butterfly valve body can be reduced by preheating, and the abrasion, bending and tipping of the R groove cutter are further avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of a temperature difference heat conducting member and a telescopic heat conducting member according to the present invention;
FIG. 3 is a schematic view of the assembled tool of the present invention;
FIG. 4 is a schematic view of an R-groove of a butterfly valve body according to the present invention.
In the figure: 1 butterfly valve body, 2 cutter mount, 3 cutter anchor clamps, 4R groove cutter, 5 insulating layer, 6 difference in temperature heat conduction spare, 61N type semiconductor material, 62 first joint, 63P type semiconductor material, 64 second joint, 7 pressure vessel, 8 liquid, 9 flexible heat conduction spare, 91 piston rod, 92 piston, 93 spring, 94 heat conduction piece, 10.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-4, a preheating cutter for machining an inner hole R groove of a butterfly valve body comprises a cutter fixing frame 2, a cutter clamp 3, an R groove cutter 4 and a temperature difference heat conduction member 6, wherein the cutter clamp 3 is arranged on the cutter fixing frame 2, the R groove cutter 4 and the R groove cutter 4 are fixed on the cutter clamp 3 through bolts.
Referring to fig. 2, the temperature difference heat conducting member 6 has a heat absorbing end and a heat releasing end, the heat absorbing end of the temperature difference heat conducting member 6 is tightly attached to the tool holder 3, and the heat releasing end of the temperature difference heat conducting member 6 is tightly attached to the pressure vessel 7, specifically as follows:
referring to fig. 2, the temperature difference heat conductive member 6 is composed of an N-type semiconductor material 61, a P-type semiconductor material 63, a first joint 62 and a second joint 64, wherein the first joint 62 and the second joint 64 are defined as a heat absorbing end and a heat releasing end, respectively.
The N-type semiconductor material 61 and the P-type semiconductor material 63 form a galvanic couple and are arranged between the first joint 62 and the second joint 64, and the first joint 62 and the second joint 64 are tightly attached and fixed with the tool holder 3 and the pressure vessel 7 respectively. When current flows through the N-type semiconductor material 61 and the P-type semiconductor material 63, heat absorption and heat release occur in the first joint 62 and the second joint 64, respectively, in addition to irreversible joule heat generation, and are proportional to the current, so that heat generated by the R-groove cutter 4 with higher temperature after processing can be absorbed and output to the pressure vessel 7, and cooling of the R-groove cutter 4 and preheating of the inner hole of the butterfly valve body 1 for next-generation processing can be realized.
A liquid inlet pipe (not shown) may be provided on the pressure vessel 7 to facilitate the addition of liquid. The pressure vessel 7 is filled with a liquid 8 with a boiling point of 78-111 ℃, the liquid 8 is one of toluene, pure water and ethanol, and a liquid with a lower boiling point is not selected, in this embodiment, pure water is selected, the boiling point of the liquid refers to a temperature under a standard atmosphere, and when the liquid is in the pressure vessel 7, the pressure in the liquid is greater than the standard atmosphere, so that the boiling point is actually increased, the internal temperature of the pressure vessel 7 is increased, the preheating effect is increased, the hardness of the inner hole of the butterfly valve body 1 can be changed through preheating, and the subsequent cutting Kong Zuoye of a cutter is facilitated.
Referring to fig. 2, the telescopic heat conducting member 9 is circumferentially arranged on the pressure vessel 7, and drives the telescopic heat conducting member 9 to stretch and conduct heat when the liquid in the pressure vessel 7 is vaporized, and drives the telescopic heat conducting member 9 to reset when the liquid in the pressure vessel 7 is liquefied. The telescopic heat conducting member 9 comprises a piston rod 91, a piston 92, a spring 93 and a heat conducting block 94, and is specifically arranged as follows:
the shape of one side of the heat conducting block 94, which is close to the inner hole of the butterfly valve body 1, is the same as the shape of the inner hole before processing, so that the heat conducting block 94 and the inner hole are convenient to attach to each other, and the heat conducting block 94 can adopt an arc-shaped structure, so that the heat conducting block can be attached to the inner hole of the butterfly valve body 1 in a larger area.
The piston 92 is arranged in the pressure vessel 7, the outer diameter of the piston 92 being the same as the inner diameter of the pressure vessel 7. The piston rod 91 is fixed to the piston 92 on one side and the lateral gap on the other side of the piston rod 91 passes through the pressure vessel 7 and extends outside to be fixed to the heat conducting block 94.
The spring 93 sets up on the piston rod 91, between heat conduction piece 94 and the pressure vessel 7, and the setting of spring 93 has played pressure boost and reset effect, makes heat conduction piece 94 and butterfly valve body 1 hole laminating inseparabler through the setting of spring 93, can realize breaking away from of heat conduction piece 94 and butterfly valve body 1 hole through compression spring 93, and the R groove cutter 4 of being convenient for removes to butterfly valve body 1 hole department.
The piston rod 91 and the heat conducting block 94 are both in hollow structures and are communicated, the piston rod 91 penetrates through the piston 92 and is communicated with the pressure container 7, through the structure of the communication, the communication between the pressure container 7 and the heat conducting block 94 can be achieved, steam can enter the heat conducting block 94 to heat the heat conducting block 94 from inside to outside, and therefore the preheating effect of the heat conducting block 94 is better.
In this embodiment, the pressure vessel 7 may adopt a straight-shaped or cross-shaped structure, and when adopting the straight-shaped structure, the number of the telescopic heat conducting members 9 is another and symmetrically arranged, and when adopting the cross-shaped structure, the brush collars of the telescopic heat conducting members 9 are four and are arranged in a cross shape, and the more the number of the telescopic heat conducting members 9 is, the more the heat conducting points are, and the better the preheating effect is.
The foregoing description is only a preferred embodiment of the present invention, and it is not intended to limit the scope of the present invention to all embodiments, but it is intended to cover all embodiments, modifications, equivalents, and variations within the scope of the present invention.
Claims (2)
1. The utility model provides a preheat cutter in processing butterfly valve body hole R groove, includes cutter mount (2), be provided with cutter anchor clamps (3) on cutter mount (2), its characterized in that still includes:
an R-slot tool (4), the R-slot tool (4) being fastened to the tool holder (3) by means of a screw;
the temperature difference heat conduction piece (6), the temperature difference heat conduction piece (6) is provided with a heat absorption end and a heat release end, the heat absorption end of the temperature difference heat conduction piece (6) is tightly attached and fixed with the cutter clamp (3), and the heat release end of the temperature difference heat conduction piece (6) is tightly attached and fixed with the pressure container (7);
the temperature difference heat conduction piece (6) is composed of an N-type semiconductor material (61), a P-type semiconductor material (63), a first joint (62) and a second joint (64);
the N-type semiconductor material (61) and the P-type semiconductor material (63) are formed in a point-to-point manner and are arranged between a first joint (62) and a second joint (64), and the first joint (62) and the second joint (64) are respectively tightly attached and fixed with the cutter clamp (3) and the pressure vessel (7);
a pressure vessel (7), wherein the pressure vessel (7) is filled with liquid (8) with the boiling point of 78-111 ℃;
the telescopic heat conduction piece (9) is arranged on the pressure container (7) along the circumferential direction, the telescopic heat conduction piece (9) is driven to stretch and conduct heat when liquid in the pressure container (7) is vaporized, and the telescopic heat conduction piece (9) is driven to reset when the liquid in the pressure container (7) is liquefied;
the telescopic heat conduction piece (9) comprises a piston rod (91), a piston (92), a spring (93) and a heat conduction block (94);
the piston (92) is arranged in the pressure container (7), one side of the piston rod (91) is fixed with the piston (92), a transverse gap at the other side of the piston rod (91) penetrates through the pressure container (7) and extends to the outside of the pressure container and is fixed with the heat conducting block (94), and the spring (93) is arranged on the piston rod (91) and between the heat conducting block (94) and the pressure container (7);
the piston rod (91) and the heat conducting block (94) are of hollow structures and are communicated, and the piston rod (91) penetrates through the piston (92) and is communicated with the pressure container (7).
2. The preheating knife tool for processing the inner hole R groove of the butterfly valve body according to claim 1, wherein the liquid (8) is one of toluene, pure water and ethanol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111668632.1A CN114161169B (en) | 2021-12-31 | 2021-12-31 | Preheating cutter for machining inner hole R groove of butterfly valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111668632.1A CN114161169B (en) | 2021-12-31 | 2021-12-31 | Preheating cutter for machining inner hole R groove of butterfly valve body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114161169A CN114161169A (en) | 2022-03-11 |
| CN114161169B true CN114161169B (en) | 2024-01-26 |
Family
ID=80488885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111668632.1A Active CN114161169B (en) | 2021-12-31 | 2021-12-31 | Preheating cutter for machining inner hole R groove of butterfly valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114161169B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2485794Y (en) * | 2001-05-29 | 2002-04-10 | 台达电子工业股份有限公司 | Telescopic heat conducter |
| CN101070920A (en) * | 2006-05-11 | 2007-11-14 | 上海茂德企业发展有限公司 | Three eccentric two-way self-tightening sealing rubber butterfly valve |
| CN101424862A (en) * | 2008-12-09 | 2009-05-06 | 中国科学院长春光学精密机械与物理研究所 | Thermal switch for heat control system of camera |
| CN101885077A (en) * | 2010-07-12 | 2010-11-17 | 华南理工大学 | Heat pipe cutter and method for improving radiation of cutting tool by using heat pipe |
| CN206662039U (en) * | 2016-12-30 | 2017-11-24 | 天津市鑫大远金属制品有限公司 | Efficient hole punched device |
| CN207410250U (en) * | 2017-11-17 | 2018-05-25 | 丁翔 | A kind of thermoelectric generation film of the municipal administration based on thermoelectric material |
| CN210388523U (en) * | 2019-08-23 | 2020-04-24 | 华北理工大学 | Cutter water-cooling water jet equipment for lathe |
| CN212133977U (en) * | 2020-06-29 | 2020-12-11 | 许鸿发 | Sealing detection heat dissipation device |
| CN112548666A (en) * | 2020-12-28 | 2021-03-26 | 南昌航空大学 | Temperature control device for machine tool cutter |
| CN113478294A (en) * | 2021-07-19 | 2021-10-08 | 张国庆 | Cutter fixing device with heat dissipation function |
| CN214724887U (en) * | 2020-12-29 | 2021-11-16 | 河北固运特精密机械制造有限公司 | Automatic die cutting cutter of row's waste material |
-
2021
- 2021-12-31 CN CN202111668632.1A patent/CN114161169B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2485794Y (en) * | 2001-05-29 | 2002-04-10 | 台达电子工业股份有限公司 | Telescopic heat conducter |
| CN101070920A (en) * | 2006-05-11 | 2007-11-14 | 上海茂德企业发展有限公司 | Three eccentric two-way self-tightening sealing rubber butterfly valve |
| CN101424862A (en) * | 2008-12-09 | 2009-05-06 | 中国科学院长春光学精密机械与物理研究所 | Thermal switch for heat control system of camera |
| CN101885077A (en) * | 2010-07-12 | 2010-11-17 | 华南理工大学 | Heat pipe cutter and method for improving radiation of cutting tool by using heat pipe |
| CN206662039U (en) * | 2016-12-30 | 2017-11-24 | 天津市鑫大远金属制品有限公司 | Efficient hole punched device |
| CN207410250U (en) * | 2017-11-17 | 2018-05-25 | 丁翔 | A kind of thermoelectric generation film of the municipal administration based on thermoelectric material |
| CN210388523U (en) * | 2019-08-23 | 2020-04-24 | 华北理工大学 | Cutter water-cooling water jet equipment for lathe |
| CN212133977U (en) * | 2020-06-29 | 2020-12-11 | 许鸿发 | Sealing detection heat dissipation device |
| CN112548666A (en) * | 2020-12-28 | 2021-03-26 | 南昌航空大学 | Temperature control device for machine tool cutter |
| CN214724887U (en) * | 2020-12-29 | 2021-11-16 | 河北固运特精密机械制造有限公司 | Automatic die cutting cutter of row's waste material |
| CN113478294A (en) * | 2021-07-19 | 2021-10-08 | 张国庆 | Cutter fixing device with heat dissipation function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114161169A (en) | 2022-03-11 |
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