CN113102949A - Automatic machining process of intercooler - Google Patents
Automatic machining process of intercooler Download PDFInfo
- Publication number
- CN113102949A CN113102949A CN202110394906.6A CN202110394906A CN113102949A CN 113102949 A CN113102949 A CN 113102949A CN 202110394906 A CN202110394906 A CN 202110394906A CN 113102949 A CN113102949 A CN 113102949A
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- China
- Prior art keywords
- intercooler
- machining process
- filter screen
- automatic machining
- fixed
- 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.)
- Pending
Links
- 238000003754 machining Methods 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 238000005266 casting Methods 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 238000004080 punching Methods 0.000 claims abstract description 8
- 238000004506 ultrasonic cleaning Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000000227 grinding Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000011068 loading method Methods 0.000 description 6
- 238000005498 polishing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
-
- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to the technical field of machining of automotive intercoolers, and particularly discloses an automatic machining process of an intercooler, which comprises the following steps of 1, casting, namely casting in a mold to obtain an intercooler casting; step 2, cooling, namely rapidly reducing the overall temperature of the die in the step 1 to be below 100 ℃ by using a water cooling system, and then continuously and slowly cooling an intercooler casting in the die to a room temperature state; step 3, punching, namely putting the intercooler in the step 2 into a punching device to punch the intercooler; step 4, deburring, namely putting the intercooler in the step 3 into a deburring machine to perform deburring operation; and 5, cleaning, namely putting the intercooler in the step 4 into an ultrasonic cleaning device for cleaning. The invention aims to provide an automatic machining process of an intercooler, and the technical problem that the number of steps for producing the intercooler is too large is solved.
Description
Technical Field
The invention relates to the technical field of machining of automotive intercooler, and particularly discloses an automatic machining process of an intercooler.
Background
The intercooler is an important component of an automobile supercharging system, and no matter a mechanical supercharged engine or a turbo supercharged engine, the intercooler is required to be arranged between a supercharger and an engine air inlet pipe; the air-exchange device is arranged between a supercharger and an engine of an automobile and is used for improving the air exchange efficiency of the engine.
In the existing production process of the intercooler, direct casting forming is generally adopted. For example, the Chinese patent of invention (publication No. CN111719058A) discloses a production process of an air chamber of an intercooler of an automobile, which comprises the steps of core making, sand core trimming, batching, smelting, refining, casting, blank processing, blank leakage testing, machining, cleaning, drying, packaging and warehousing.
Although the automobile intercooler can be produced, production steps are too many, and the conditions of long production time period and high production cost exist.
Disclosure of Invention
The invention aims to provide an automatic machining process of an intercooler, and the technical problem that the number of steps for producing the intercooler is too large is solved.
In order to achieve the purpose, the basic scheme of the invention is as follows: an automatic machining process of an intercooler, comprising the following steps of 1, casting, namely casting in a mold to obtain a casting with an intercooler structure;
and 5, cleaning, namely putting the intercooler in the step 4 into an ultrasonic cleaning device for cleaning.
The working principle and the beneficial effects of the basic scheme are as follows: by adopting the processing technology of the technical scheme, the automatic processing of the intercooler can be realized, and the production technology of the intercooler manufactured by the production technology is simple and practical.
Compared with the prior art, the casting intercooler manufactured by the technical scheme is low in cost, simple in process steps, capable of effectively improving production efficiency on the premise of guaranteeing product quality, superior to the prior art in environmental protection and usability, and capable of being widely popularized and applied in the automobile field.
Further, the deburring machine in the step 4 comprises a machine body, a telescopic mechanism is arranged at the top of the machine body, a servo motor is fixed at the free end of the telescopic mechanism, and a grinding roller for grinding the intercooler is coaxially and fixedly connected with a driving shaft of the servo motor.
Has the advantages that: this technical scheme utilizes the organism as the carrier, utilizes telescopic machanism to realize the free regulation of position to utilize servo motor to drive the roller of polishing and last circumferential direction, in order to realize the technological effect that the burring was polished to the intercooler to the pivoted roller of polishing.
Furthermore, a backflow groove is formed in the bottom of the machine body, and a first filter screen is fixed to the top of the backflow groove.
Has the advantages that: this technical scheme is through addding return-flow tank and first filter screen to the realization is to the filterable effect of screening, and then makes the impurity that part dropped from burring processing screen the separation, the follow-up reuse resource once more of being convenient for.
Further, the organism has the spout at the vertical division of backward flow inslot wall, vertical sliding connection has the trace in the spout, the trace lateral wall articulates there is the second filter screen that can freely stretch out and draw back, second filter screen free end articulate in the backward flow inslot wall, the trace bottom articulates there is the running-board, the trace top with fixedly connected with extension spring between the organism, the extension spring is under free state the second filter screen is the horizontality, the backward flow inslot wall is opened there is the collecting vat, the collecting vat is located the trace with under the articulated department of second filter screen.
Has the advantages that: when a certain amount of impurities are accumulated on the second filter screen, the operator repeatedly steps on the pedal with feet, and the transmission rod vertically moves downwards in the process that the operator steps on the pedal with feet. When the operator releases the foot, the transmission rod moves vertically upwards under the action of the tension spring. Therefore, in the process that the operator continuously treads the pedal, the transmission rod reciprocates up and down, and then the transmission rod drives the second filter screen to swing. In the wobbling in-process, the second filter screen is the below slope of left side all the time, consequently along with the swing of second filter screen, the impurity on second filter screen surface also the landing to the collecting vat in thereupon to realize finally carrying out clear technological effect to second filter screen surface.
Further, the top of the machine body is provided with an air duct, the air duct is communicated with the chute, a piston used for the air duct to slide in a sealing mode is fixed at the top end of the linkage rod, and the air duct faces to one side close to the first filter screen.
Has the advantages that: along with the vertical reciprocating motion of transfer line, the piston also constantly outwards extrudees the exhaust air current through the air duct in the spout, and the exhaust air current makes and is attached to in the organism top impurity further falls into the backwash tank, effectively carries out the filtration recovery efficiency of backwash tank.
Furthermore, telescopic machanism includes telescopic cylinder, telescopic cylinder free end is fixed with the loading board, servo motor is fixed in the loading board lateral wall.
Has the advantages that: this technical scheme bronze drum idol adds the loading board between telescopic cylinder and servo motor to can fix a plurality of servo motor simultaneously on a loading board.
Furthermore, a cooling pipe for cooling is fixed on the side wall of the servo motor.
Has the advantages that: this technical scheme is through add the cooling tube at the servo motor lateral wall to can utilize the cooling tube to spray department's coolant liquid at the in-process of burring processing, with the realization to the cooling of burring processing department.
Furthermore, the bottom of the reflux groove is provided with reflux holes, and the reflux holes are communicated with the cooling pipe.
Has the advantages that: this technical scheme is through addding the backward flow hole bottom the backward flow groove to in the coolant liquid gets into the backward flow groove after can getting into the cooling tube again through the backward flow hole, carry out cooling to processing, effectively improve the availability factor of coolant liquid.
Further, the lateral wall of the bearing plate is fixedly connected with an illuminating lamp.
Has the advantages that: this technical scheme adds the light through the lateral wall at the loading board to in the luminance of processing department is improved in the course of working in the provision, the operating personnel of being convenient for can in time clearly observe the condition.
Further, a plurality of pulleys are fixed at the bottom end of the machine body.
Has the advantages that: this technical scheme is through add the pulley in the bottom of organism to in carrying the removal to the organism of burring machine is whole.
Drawings
FIG. 1 is a front cross-sectional view of a deburring machine in accordance with an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a machine body 1, pulleys 2, a support 3, a telescopic cylinder 4, a bearing plate 5, a servo motor 6, a polishing roller 7, a base 8, a cooling pipe 9, a backflow groove 10, a first filter screen 11, a second filter screen 12, a backflow hole 13, a lighting lamp 14, a linkage rod 15, a piston 16, a sliding groove 17, a tension spring 18, an air duct 19, a pedal plate 20 and a collecting groove 21.
The embodiment is basically as shown in the attached figure 1: automatic machining process of intercooler includes:
and 5, cleaning, namely putting the intercooler in the step 4 into an ultrasonic cleaning device for cleaning.
The deburring machine in the step 4 comprises a machine body 1, wherein four pulleys 2 are fixed at four corners of the bottom of the machine body 1 through bolts. The top welded fastening of organism 1 has support 3, and the lateral wall of support 3 is located the bolt fastening at the position that is close to the top has telescopic cylinder 4, and telescopic cylinder 4's flexible end orientation is just freely flexible along vertical direction downwards. The bearing plate 5 is fixed on the telescopic end bolt of the telescopic cylinder 4, and the bearing plate 5 is parallel to the horizontal plane. The bottom of loading board 5 is threaded fixation has five servo motor 6 in proper order, and the vertical downward orientation of drive shaft of every servo motor 6, the coaxial key-type connection of drive shaft of every servo motor 6 is fixed with grinding roller 7. And a base 8 for supporting an intercooler is welded and fixed at the top of the machine body 1 on the left side of the bracket 3.
A cooling pipe 9 is fixed on the side wall of each servo motor 6, and the output end of the cooling pipe 9 faces to one side of the horizontally adjacent grinding roller 7. A backflow groove 10 is formed in the top of the machine body 1 and is located right below the grinding roller 7, and a first filter screen 11 is fixedly connected to the top of the backflow groove 10. The side wall of the reflux groove 10 is provided with a reflux hole 13 near the bottom end, and the reflux hole 13 is communicated with the cooling pipe 9. The side wall of the carrier plate 5 is bolted with an illumination lamp 14. The vertical sliding connection has trace 15 on organism 1, and trace 15's top fixedly connected with piston 16, and the top of organism 1 is opened has vertical spout 17, and piston 16 seals vertical sliding connection in spout 17. The top of the machine body 1 is provided with an air duct 19, the air duct 19 is communicated with the top of the chute 17, and the air duct 19 faces to the position right above the first filter screen 11. A tension spring 18 is fixed between the top of the piston 16 and the air duct 19, and the bottom end of the transmission rod is in a suspended state when the tension spring 18 is in a free state. The bottom end of the transmission rod is hinged with a pedal 20, and the free end of the pedal 20 is propped against the ground.
The right side wall of backwash tank 10 articulates there is second filter screen 12 that can freely stretch out and draw back, and the left end of second filter screen 12 articulates in the lateral wall of trace 15, and the bottom of backwash tank 10 is fixed with second filter screen 12, and the mesh of first filter screen 11 is greater than the blind hole of second filter screen 12. The left side wall of the return groove 10 is provided with a collecting groove 21, and the collecting groove 21 is positioned below a hinge point of the second filter screen 12 and the inner wall of the transmission rod.
The specific implementation process is as follows: firstly, an operator places the intercooler on a base 8 at the top of the engine body 1, then the servo motor 6 is started, the grinding roller 7 rotates in the circumferential direction under the action of the servo motor 6, then the operator starts the telescopic cylinder 4, the grinding roller 7 is close to the outer wall of the intercooler, and the grinding and deburring are carried out. In the process of polishing, operating personnel starts the effect of light 14 play to the intercooler processing department illumination, starts cooling tube 9 and carries out the cooling water that spouts to the department of polishing and cool down. The cooling water flows into the return groove 10 after cooling the intercooler, passes through the first filter screen 11 and the second filter screen 12, and reenters the cooling pipe 9 through the return holes 13.
When a certain amount of impurities are accumulated on the second filter 12, the operator repeatedly steps on the foot pedal 20 with his foot, and the transmission rod moves vertically downward while the operator steps on the foot pedal 20 with his foot. When the operator releases the foot, the transmission rod moves vertically upwards under the action of the tension spring 18. Therefore, when the operator continuously steps on the foot pedal 20, the transmission rod reciprocates up and down, so that the transmission rod drives the second filter 12 to swing. In the process of swinging, the second filter screen 12 is always inclined towards the lower left, so along with the swinging of the second filter screen 12, the impurities on the surface of the second filter screen 12 also slide into the collecting tank 21, and the technical effect of finally cleaning the surface of the second filter screen 12 is achieved. Meanwhile, along with the vertical reciprocating motion of the transmission rod, the piston 16 continuously extrudes the discharged air flow outwards through the air duct 19 in the sliding groove 17, and the discharged air flow enables impurities attached to the top of the machine body 1 to further fall into the backflow groove 10, so that the filtering and recycling efficiency of the backflow groove 10 is effectively improved.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. Automatic machining process of intercooler, its characterized in that: step 1, casting, namely casting in a mold to obtain a casting with an intercooler structure;
step 2, cooling, namely rapidly reducing the overall temperature of the die in the step 1 to be below 100 ℃ by using a water cooling system, and then continuously and slowly cooling an intercooler in the die to a room temperature state;
step 3, punching, namely putting the intercooler in the step 2 into a punching device to punch the intercooler;
step 4, deburring, namely putting the intercooler in the step 3 into a deburring machine to perform deburring operation;
and 5, cleaning, namely putting the intercooler in the step 4 into an ultrasonic cleaning device for cleaning.
2. The automatic machining process for the intercooler of claim 1, wherein: the deburring machine in the step 4 comprises a machine body, a telescopic mechanism is arranged at the top of the machine body, a servo motor is fixed at the free end of the telescopic mechanism, and a grinding roller for grinding an intercooler is coaxially and fixedly connected with a servo motor driving shaft.
3. The automatic machining process for the intercooler of claim 2, wherein: a backflow groove is formed in the bottom of the machine body, and a first filter screen is fixed to the top of the backflow groove.
4. The automatic machining process for the intercooler according to claim 3, wherein: the organism has the spout at the vertical division of backward flow inslot wall, vertical sliding connection has the trace in the spout, the trace lateral wall articulates there is the second filter screen that can freely stretch out and draw back, second filter screen free end articulate in the backward flow inslot wall, the trace bottom articulates there is the running-board, the trace top with fixedly connected with extension spring between the organism, the extension spring is under free state the second filter screen is the horizontality, open the backward flow inslot wall has the collecting vat, the collecting vat is located the trace with under the articulated department of second filter screen.
5. The automatic machining process for the intercooler of claim 4, wherein: the top of the machine body is provided with an air duct which is communicated with the chute, the top end of the linkage rod is fixed with a piston used for the air duct to slide in a sealing way, and the air duct faces to one side close to the first filter screen.
6. The automatic machining process for the intercooler according to claim 3, wherein: the telescopic mechanism comprises a telescopic cylinder, a bearing plate is fixed at the free end of the telescopic cylinder, and the servo motor is fixed on the side wall of the bearing plate.
7. The automatic machining process for the intercooler of claim 6, wherein: and a cooling pipe for cooling is fixed on the side wall of the servo motor.
8. The automatic machining process for the intercooler of claim 7, wherein: the bottom of the reflux groove is provided with reflux holes, and the reflux holes are communicated with the cooling pipe.
9. The automatic machining process for the intercooler of claim 8, wherein: the lateral wall of the bearing plate is fixedly connected with an illuminating lamp.
10. An intercooler automatic processing process according to any one of claims 2-9, wherein: and a plurality of pulleys are fixed at the bottom end of the machine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110394906.6A CN113102949A (en) | 2021-04-13 | 2021-04-13 | Automatic machining process of intercooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110394906.6A CN113102949A (en) | 2021-04-13 | 2021-04-13 | Automatic machining process of intercooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113102949A true CN113102949A (en) | 2021-07-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110394906.6A Pending CN113102949A (en) | 2021-04-13 | 2021-04-13 | Automatic machining process of intercooler |
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| Country | Link |
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| CN (1) | CN113102949A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326697A (en) * | 2017-12-31 | 2018-07-27 | 重庆优萃科技有限公司 | A kind of phone housing burnishing device |
| CN208083851U (en) * | 2018-04-11 | 2018-11-13 | 青岛华鲁热散热器有限公司 | Cooling tube fabric welding moulding machine |
| CN109940706A (en) * | 2019-03-05 | 2019-06-28 | 罗仕兵 | A kind of wood furniture factory lumber drilling device |
| CN210997876U (en) * | 2019-08-22 | 2020-07-14 | 杭州萧山恒大五金机电物资有限公司 | Five metals stamping workpiece burring device |
| CN111719058A (en) * | 2020-06-18 | 2020-09-29 | 无锡邦得机械有限公司 | Production process of automobile intercooler air chamber |
| CN211760657U (en) * | 2019-12-04 | 2020-10-27 | 江苏和众布业有限公司 | Polishing equipment for special-shaped antique bronze ware |
| CN211971824U (en) * | 2019-12-26 | 2020-11-20 | 浙江贝诺环境科技有限公司 | Restaurant sewage filter residue treatment equipment |
| CN112621567A (en) * | 2020-12-07 | 2021-04-09 | 浙江威步机器人股份有限公司 | Cooling liquid recovery process for six-shaft grinding machine |
-
2021
- 2021-04-13 CN CN202110394906.6A patent/CN113102949A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326697A (en) * | 2017-12-31 | 2018-07-27 | 重庆优萃科技有限公司 | A kind of phone housing burnishing device |
| CN208083851U (en) * | 2018-04-11 | 2018-11-13 | 青岛华鲁热散热器有限公司 | Cooling tube fabric welding moulding machine |
| CN109940706A (en) * | 2019-03-05 | 2019-06-28 | 罗仕兵 | A kind of wood furniture factory lumber drilling device |
| CN210997876U (en) * | 2019-08-22 | 2020-07-14 | 杭州萧山恒大五金机电物资有限公司 | Five metals stamping workpiece burring device |
| CN211760657U (en) * | 2019-12-04 | 2020-10-27 | 江苏和众布业有限公司 | Polishing equipment for special-shaped antique bronze ware |
| CN211971824U (en) * | 2019-12-26 | 2020-11-20 | 浙江贝诺环境科技有限公司 | Restaurant sewage filter residue treatment equipment |
| CN111719058A (en) * | 2020-06-18 | 2020-09-29 | 无锡邦得机械有限公司 | Production process of automobile intercooler air chamber |
| CN112621567A (en) * | 2020-12-07 | 2021-04-09 | 浙江威步机器人股份有限公司 | Cooling liquid recovery process for six-shaft grinding machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210713 |