CN113798564A - Temperature control head calibration machine - Google Patents
Temperature control head calibration machine Download PDFInfo
- Publication number
- CN113798564A CN113798564A CN202111225713.4A CN202111225713A CN113798564A CN 113798564 A CN113798564 A CN 113798564A CN 202111225713 A CN202111225713 A CN 202111225713A CN 113798564 A CN113798564 A CN 113798564A
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- cover body
- groove
- servo motor
- fixed
- lifting plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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- 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
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
-
- 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
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
A temperature control head calibration machine comprises a bottom frame, wherein a mounting frame is arranged on the bottom frame, a first servo motor is fixed at the top of the mounting frame, the output of the first servo motor is connected with a transmission screw, two rows of guide rails are vertically fixed on one side of the mounting frame, a lifting plate is connected onto the guide rails through sliders, and a position avoiding groove is formed in the mounting frame between the guide rails on the guide rail side; a second servo motor is fixed on the lifting plate, the output of the second servo motor is connected with a milling cutter, a die clamping assembly fixed on the underframe is arranged below the milling cutter, and the die clamping assembly is connected to the output of the clamping cylinder; the cutting device is characterized by further comprising a shielding cover, wherein a through groove is formed in the top of the shielding cover and used for shielding the cutting wires generated by cutting and preventing the cutting wires from upwards entering an interval space between the lifting plate and the mounting frame. According to the invention, the broken chips are shielded and collected by the shielding cover, so that the high precision of the machining size is ensured, the machining is not influenced by the outside, the result is uniform, manual pressing is not needed, a plurality of products can be simultaneously machined, and the working efficiency is high.
Description
Technical Field
The invention relates to the field of temperature control head calibration, in particular to a temperature control head calibration machine.
Background
The temperature control valve controls the inlet flow of a heat exchanger, an air conditioning unit or other heat and cold equipment and primary heat (cold) medium to control the outlet temperature of the equipment; when the load changes, the flow is adjusted by changing the opening degree of the valve to eliminate the influence caused by the fluctuation of the load, so that the temperature is recovered to the set value.
The size of a temperature control head of the temperature control valve has substantial influence on the temperature control, the collision and extension distances of the temperature control head are different and determined at different temperatures, and the size precision of the current common calibration machining is insufficient, so that the temperature point corresponding to the product is adjusted to a fixed scale but the target temperature is not ideal, the indoor environment temperature is not ideal, and the optimal comfortable effect is not achieved.
Disclosure of Invention
In view of the problems set forth in the background, the present invention provides a calibration machine for a temperature control head, which is further described below.
A temperature control head calibration machine comprises a bottom frame, wherein a mounting frame is arranged on the bottom frame, a first servo motor is fixed at the top of the mounting frame, the output of the first servo motor is connected with a transmission screw, two rows of guide rails are vertically fixed on one side of the mounting frame, a lifting plate is connected onto the guide rails through sliders, and a position avoiding groove is formed in the mounting frame between the guide rails on the guide rail side; a second servo motor is fixed on the lifting plate, the output of the second servo motor is connected with a milling cutter, a die clamping assembly fixed on the underframe is arranged below the milling cutter, and the die clamping assembly is connected to the output of the clamping cylinder; the cutting device is characterized by further comprising a shielding cover, wherein a through groove is formed in the top of the shielding cover and used for shielding the cutting wires generated by cutting and preventing the cutting wires from upwards entering an interval space between the lifting plate and the mounting frame.
Preferably, the shielding cover comprises a stand column fixed on the underframe and a top plate connected to the stand column, the through groove is arranged on the top plate, and one side edge of the top plate is in contact with the lifting plate surface; the resulting cut strands are stopped by the top plate during the upward growth.
Preferably, the bottom of the anti-slot groove is provided with a bottom plate; when the milling cutter descends to the height of milling, the lifting plate and the bottom plate are overlapped in the vertical direction; and carrying out lateral shielding on the cut wires.
Preferably, the shielding cover is a cover body which is fixed on the top surface of the underframe and wraps the die clamping assembly, and the through groove is formed in the top of the cover body; the milling cutter is arranged on the automatic chip breaking chuck; the generated broken chips are collected in the cover body and are not scattered any more, so that the cover is easy to clean and protect the environment.
Preferably, the cover body is maintained in a negative pressure state, the pressure difference between the inside and the outside of the cover body forms airflow entering the cover body at the through groove, the airflow flows through the cutter head, the cutter head is cooled, and the generated broken chips are blown away.
Preferably, the side wall of the through groove is provided with twill; the airflow flowing through the through groove deflects under the guidance of the inclined line, and acts on the airflow generated by the surrounding air driven by the cutter head rotating at high speed to form spiral downward airflow around the cutter head; the chips generated by the watch and especially the chips falling on the surface of the clamping die assembly are blown away.
Preferably, the bottom of the cover body is pivoted on the bottom frame, and the cover body can rotate by taking a pivoting shaft as a shaft, so that the temperature control head is taken and placed.
Preferably, the bottom of the side of the cover body is provided with a long-strip-shaped air suction nozzle which is connected with an air suction pump; the rotating movable end is pressed on the underframe by the pressure difference between the inside and the outside of the cover body and the weight of the air suction nozzle.
Has the advantages that: compared with the prior art, the chip breaking device has the advantages that the chip breaking is shielded and collected through the shielding cover, the precision of the machining size is high, the machining is not influenced by the outside, the result is unified, manual pressing is not needed, a plurality of products can be machined simultaneously, and the working efficiency is high.
Drawings
FIG. 1: a structural axis side view of the first embodiment of the present invention;
FIG. 2: the structure at A in FIG. 1 is enlarged schematically;
FIG. 3: a front view of the structure of the first embodiment;
FIG. 4: a partial structural view of the second embodiment of the invention;
in the figure: the automatic chip breaking device comprises an underframe 1, a mounting frame 2, a first servo motor 3, a transmission screw rod 4, a guide rail 5, a lifting plate 6, a spacing groove 21, a second servo motor 7, a milling cutter 8, a clamping module 9, a clamping cylinder 10, a through groove 11, an upright post 12, a top plate 13, a bottom plate 14, a cover body 15, an air suction nozzle 16 and an automatic chip breaking chuck 17.
Detailed Description
A specific embodiment of the present invention will be described in detail with reference to fig. 1-4.
Referring to the attached drawings 1-2, a temperature control head calibration machine is used for cutting and marking scale marks of a temperature control head installed on a drying rack, and comprises a bottom frame 1 serving as a bearing main body, wherein an installation frame 2 is arranged on the bottom frame 1, a first servo motor 3 is fixed at the top of the installation frame 2, the output of the first servo motor 3 is connected with a transmission screw 4, two rows of guide rails 5 are vertically fixed on one side of the installation frame 2, movable sliding sliders are arranged on the guide rails 5, a lifting plate 6 is fixedly installed on the sliders and the upper portion of the sliders, a spacing groove 21 is arranged between the guide rails on the guide rail side of the installation frame 2, a connecting portion of the lifting plate 6 is matched with the transmission screw 4 through the spacing groove, and the output of the first servo motor 3 drives the lifting plate 6 to change the height of the lifting plate 6 through the matching of the transmission screw 4 and the lifting plate 6; a second servo motor 7 is fixed on the lifting plate 6, the output of the second servo motor 7 is connected with a milling cutter 8, and the output of the second servo motor 7 drives the milling cutter 8 to rotate at a high speed to realize cutting.
The base frame 1 is fixed with a clamping die assembly 9 positioned below the milling cutter 8, a temperature control head to be milled is placed in the clamping die assembly 9, the clamping die assembly 9 is a movable part and is connected to the output of a clamping cylinder 10 positioned below the clamping die assembly 9, the opening and closing of the clamping die assembly can be controlled through the action of the clamping cylinder, the structure of the clamping die assembly 9 and the clamping action of the clamping die assembly under the control of the clamping cylinder 10 are conventional technologies, the embodiment is not described in detail, and meanwhile, the clamping die assembly can be replaced and can be replaced according to the model size of the temperature control head.
When the temperature control head is milled, the temperature control head is clamped and fixed by the clamping module assembly, the milling cutter rotates at a high speed under the driving of the second servo motor, and simultaneously moves downwards gradually under the control of the first servo motor 3 to cut the temperature control head to a set size gradually, the servo motor adopted by the embodiment has the characteristic of high control precision, and the height of the milling cutter 8 is controlled by the servo motor to control the size of the temperature controller to be cut.
Can produce slender cutting at the in-process of milling, cutting procedure heliciform, slender cutting wire can twine milling cutter, the time has been of a specified duration can lead to the fact the damage to milling cutter, again, the technical problem that should be solved to this embodiment is that prior art size precision is unsatisfactory when cutting the temperature control head, because the existence of guide rail 5, there is the interval between lifter plate 6 and the mounting bracket 2, the random character that slender cutting wire growth was extended makes its free end can block this interval space and progressively twine on the slider this moment, cause the card to hinder to the decline of lifter plate, the precision of milling has been influenced. Based on this, this embodiment still is provided with the shield cover, and the shield cover top is provided with logical groove 11 for shelter from the interval that exists between the lifter plate 6 and the mounting bracket 2 to the cutting silk that produces to cutting.
Referring to fig. 1-3, in one embodiment, the shielding cover includes a vertical column 12 fixed on the base frame 1 and a top plate 13 connected to the vertical column, the through slot 11 is disposed on the top plate 13, one side of the top plate 13 is in surface contact with the lifting plate 6, and during milling, the generated cutting wires are blocked by the top plate during upward growth, so as to protect the lifting structure.
Based on the existence of the top plate, the cutting wires cannot move upwards and are forced to be accumulated downwards, and the cutting wires are contacted with the bottom frame downwards, so the cutting wires extend from four sides, the mounting frame 2 is provided with a spacing groove between the guide rails on the guide rail sides so as to meet the movement of the connecting part of the lifting plate 6, if the cutting wires enter the mounting frame 2 from the spacing groove, the cutting wires are acted with the transmission screw rod 4, the cleaning and cutting are very troublesome, and if the cutting wires are wound with the thread of the transmission screw rod, the precision control is also influenced. In the embodiment, one side of the top plate 13 is in surface contact with the lifting plate 6, that is, the lower end of the top plate has a certain shielding effect on the avoiding groove in the milling process, and gradually moves down to the target size along with the milling cutter, that is, the lifting plate cannot completely shield the air intake of the avoiding groove, so that the bottom plate 14 with a certain height is arranged at the bottom of the avoiding groove 21 in the embodiment, when the milling cutter descends to the milling starting height, the lifting plate 6 and the bottom plate 14 are overlapped in the vertical direction to laterally shield the cutting wires, and the embodiment is suitable for the condition that the cutting wires are slender.
Referring to fig. 4, in another embodiment, the shielding cover is a cover 15 having an open surface, the cover 15 is fixed on the top surface of the chassis 1, the open surface is sealed by the top surface of the chassis 1, the cover 15 encloses the clamping module 9, and the through slot 11 is arranged at the top of the cover 15, and the cutting is bound in the shielding cover through the sealed space.
In the cover body 15, a limited space binds cutting wires inside, the probability that the slender cutting wires are contacted with a milling cutter after being contacted with the cover body 15 is greatly improved, the slender cutting wires are easy to be wound on the milling cutter, the milling cutter has a fracture risk for a long time before, advanced tool bit fixtures exist in the world at present, so that the milling cutter has micro-amplitude jumping in the milling process, the contact between the milling cutter and a temperature control head is discontinuous, the generated cutting length is short, the milling cutter cannot be wound on the milling cutter, the research and application of the tool bit also exist in China at present, and the research and application refer to an automatic chip breaking chuck for drilling disclosed in patent CN113118518A, the automatic chip breaking chuck 17 adopted in the embodiment is directly applied, and the principle and the structure of the automatic chip breaking chuck are not further explained. Based on the arrangement of the automatic chip breaking chuck, the generated chips are collected in the cover body 15 and are not scattered any more, so that the automatic chip breaking chuck is easy to clean and protect the environment.
Generally, on a large-scale milling machine, cooling treatment is carried out on a tool bit and a cutting position through spraying cooling liquid, and cutting is carried out at the same time, the milling amount is small in the embodiment, the cutting precision is a main technical index, so a calibration machine is adopted, but temperature rise in the cutting process has certain influence on the tool bit, in the embodiment, a negative pressure state is maintained in a cover body 15, air flow entering the cover body is formed at a through groove 11 by pressure difference inside and outside the cover body 15, the air flow flows through the tool bit to cool the tool bit, and generated broken chips are blown away, so that the size processing precision of the temperature control head is more guaranteed.
The lateral wall of the through groove 11 is provided with a twill, the twill and a through groove bus have a certain included angle, the air flow flowing through the through groove deflects under the guidance of the twill, the included angle exists between the air flow and the axis of the milling cutter, meanwhile, the cutter head rotating at a high speed drives the air around the cutter head to rotate, according to the Bernoulli principle, the surrounding air flow is blown to the cutter head under the pressure around the cutter head, and as a result of the influence of the two air flows, the spiral downward air flow exists around the cutter head, namely, the air flow blown to the temperature control head is blown to the processing surface in a non-vertical manner, and the chip breaking generated by the surface and especially the chip breaking falling on the surface of the die clamping assembly 9 are blown away.
When the cover body is movably arranged, in the milling process, on one hand, the cover body is pressed on the bottom frame by the pressure difference between the inside and the outside of the cover body, on the other hand, the bottom of the side of the cover body 15 is provided with a long-strip-shaped air suction nozzle 16, the air suction nozzle 16 is connected with a suction pump, and the rotating movable end is pressed on the bottom frame by the weight of the air suction nozzle 16. When the air suction pump works, the cover body is maintained to be in a negative pressure state through the air suction nozzle 16, and meanwhile, the broken chips are taken away by air flow wrapping.
When the temperature control head cutting tool is used, a clamping die is selected according to the shape of the temperature control head, the assembled temperature control head is placed into the clamping die after the clamping die is fixed, the temperature control head is automatically clamped by a clamping die assembly by pressing a starting button, and then the temperature control head is gradually cut to a preset size by rotating the tool at a high speed and moving the tool downwards; shelters from and collects the chip breaking through the cover that shelters from, and it is high to have guaranteed machining dimension's precision, and processing does not receive external influence to make the result have the uniformity, need not the manual work and compresses tightly, can process a plurality of products simultaneously, and work efficiency is high.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a first machine of maring of temperature control, includes chassis (1), is provided with mounting bracket (2) on chassis (1), its characterized in that:
a first servo motor (3) is fixed at the top of the mounting rack (2), the output of the first servo motor (3) is connected with a transmission screw (4), two rows of guide rails (5) are vertically fixed on one side of the mounting rack (2), the guide rails (5) are connected with a lifting plate (6) through sliders, and an avoiding groove (21) is formed in the mounting rack (2) between the guide rails on the guide rail side; a second servo motor (7) is fixed on the lifting plate (6), the output of the second servo motor (7) is connected with a milling cutter (8), a die clamping assembly (9) fixed on the bottom frame (1) is arranged below the milling cutter (8), and the die clamping assembly is connected to the output of a clamping cylinder (10);
still include the shield cover, the shield cover top is provided with logical groove (11) for shelter from the cutting silk that the cutting produced, avoid it to upwards get into the interval space between lifter plate (6) and mounting bracket (2).
2. The temperature-controlled head calibration machine according to claim 1, characterized in that:
the shielding cover comprises a stand column (12) fixed on the bottom frame (1) and a top plate (13) connected to the stand column, the through groove (11) is arranged on the top plate (13), and one side edge of the top plate (13) is in surface contact with the lifting plate (6); the resulting cut strands are stopped by the top plate during the upward growth.
3. The temperature-controlled head calibration machine according to claim 1, characterized in that:
a bottom plate (14) is arranged at the bottom of the avoiding groove (21);
when the milling cutter descends to the milling starting height, the lifting plate (6) and the bottom plate (14) are overlapped in the vertical direction; and carrying out lateral shielding on the cut wires.
4. The temperature-controlled head calibration machine according to claim 1, characterized in that:
the shielding cover is a cover body (15), the cover body (15) is fixed on the top surface of the bottom frame (1) and wraps the die clamping assembly (9), and the through groove (11) is arranged at the top of the cover body (15);
the milling cutter (8) is arranged on the automatic chip breaking chuck; the generated broken chips are collected in the cover body (15) and are not scattered any more, so that the cleaning and the environmental protection are easy.
5. The temperature-controlled head calibration machine according to claim 4, wherein:
the interior of the cover body (15) is maintained in a negative pressure state, air flow entering the cover body is formed at the through groove (11) by the pressure difference between the interior and the exterior of the cover body (15), and the air flow flows through the cutter head to cool the cutter head and blow away generated broken chips.
6. The temperature-controlled head calibration machine according to claim 5, characterized in that:
the side wall of the through groove (11) is provided with twill;
the airflow flowing through the through groove deflects under the guidance of the inclined line, and acts on the airflow generated by the surrounding air driven by the cutter head rotating at high speed to form spiral downward airflow around the cutter head; the chips produced by the watch and in particular the chips falling on the surface of the clamping die assembly (9) are blown away.
7. The head calibration machine of claim 6, wherein:
the bottom of the cover body (15) is pivoted on the bottom frame (1), and the cover body can rotate by taking a pivoting shaft as a shaft, so that the temperature control head is taken and placed.
8. The head calibration machine of claim 7, wherein:
a strip-shaped air suction nozzle (16) is arranged at the bottom of the side of the cover body (15), and the air suction nozzle (16) is connected with an air suction pump;
the rotating movable end is pressed on the underframe by the pressure difference between the inside and the outside of the cover body and the weight of the air suction nozzle (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111225713.4A CN113798564B (en) | 2021-10-21 | 2021-10-21 | Temperature control head calibration machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111225713.4A CN113798564B (en) | 2021-10-21 | 2021-10-21 | Temperature control head calibration machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113798564A true CN113798564A (en) | 2021-12-17 |
| CN113798564B CN113798564B (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111225713.4A Active CN113798564B (en) | 2021-10-21 | 2021-10-21 | Temperature control head calibration machine |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4220052A1 (en) * | 1992-06-20 | 1993-12-23 | Bernhard Ringler | Suction system for sucking machining residue, e.g. turnings at milling machine tool collected in vicinity of workpiece - has enclosure establishing suction chamber connected to suction unit across at least one suction line |
| CN205587910U (en) * | 2016-04-01 | 2016-09-21 | 安徽英杰精工机械有限公司 | Cable processing is with gyro wheel circular cutting device that punches a hole |
| CN109128985A (en) * | 2018-10-19 | 2019-01-04 | 常州信息职业技术学院 | A kind of drilling machine dust-extraction unit |
| CN208992309U (en) * | 2018-10-30 | 2019-06-18 | 陕西盾实人防设备工程有限公司 | A kind of milling machine table filings-blocking equipment |
| CN110756869A (en) * | 2019-12-04 | 2020-02-07 | 温岭市文昌数控机床设备有限公司 | Upper tool rest processing equipment of numerical control tool rest |
| CN210755400U (en) * | 2019-11-08 | 2020-06-16 | 台山市雷克实业有限公司 | Milling machine is used in aluminium alloy processing with protection machanism |
| CN211680180U (en) * | 2019-12-18 | 2020-10-16 | 天津吉达尔重型机械科技股份有限公司 | Gantry numerical control milling machine with positioning operation function |
-
2021
- 2021-10-21 CN CN202111225713.4A patent/CN113798564B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4220052A1 (en) * | 1992-06-20 | 1993-12-23 | Bernhard Ringler | Suction system for sucking machining residue, e.g. turnings at milling machine tool collected in vicinity of workpiece - has enclosure establishing suction chamber connected to suction unit across at least one suction line |
| CN205587910U (en) * | 2016-04-01 | 2016-09-21 | 安徽英杰精工机械有限公司 | Cable processing is with gyro wheel circular cutting device that punches a hole |
| CN109128985A (en) * | 2018-10-19 | 2019-01-04 | 常州信息职业技术学院 | A kind of drilling machine dust-extraction unit |
| CN208992309U (en) * | 2018-10-30 | 2019-06-18 | 陕西盾实人防设备工程有限公司 | A kind of milling machine table filings-blocking equipment |
| CN210755400U (en) * | 2019-11-08 | 2020-06-16 | 台山市雷克实业有限公司 | Milling machine is used in aluminium alloy processing with protection machanism |
| CN110756869A (en) * | 2019-12-04 | 2020-02-07 | 温岭市文昌数控机床设备有限公司 | Upper tool rest processing equipment of numerical control tool rest |
| CN211680180U (en) * | 2019-12-18 | 2020-10-16 | 天津吉达尔重型机械科技股份有限公司 | Gantry numerical control milling machine with positioning operation function |
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| CN113798564B (en) | 2022-08-26 |
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Address after: No. 97 Xingye Avenue, Shangrao Economic and Technological Development Zone, Shangrao City, Jiangxi Province Applicant after: JIANGXI AVONFLOW HEATING VENTILATION TECHNOLOGY Co.,Ltd. Address before: 334000 Xuri area of Shangrao economic development, Guangxin District, Shangrao City, Jiangxi Province Applicant before: JIANGXI AVONFLOW HEATING VENTILATION TECHNOLOGY Co.,Ltd. |
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