CN113186384A - Heat treatment equipment for production of transmission gear - Google Patents
Heat treatment equipment for production of transmission gear Download PDFInfo
- Publication number
- CN113186384A CN113186384A CN202110291175.2A CN202110291175A CN113186384A CN 113186384 A CN113186384 A CN 113186384A CN 202110291175 A CN202110291175 A CN 202110291175A CN 113186384 A CN113186384 A CN 113186384A
- Authority
- CN
- China
- Prior art keywords
- heating furnace
- limiting
- heat treatment
- rod
- groove
- 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.)
- Withdrawn
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention relates to the technical field of gear production, and discloses heat treatment equipment for production of a transmission gear, which comprises a heating furnace, wherein two sides of the inner surface of the heating furnace are respectively provided with a limiting chute, the tops of the two limiting chutes penetrate through the heating furnace and are arranged outside, a limiting frame is arranged inside the heating furnace, two sides of the limiting frame are respectively and fixedly connected with two symmetrically arranged limiting slide blocks, the four limiting slide blocks are respectively in contact connection with the groove walls of the two limiting chutes, the bottom of the limiting frame is rotatably connected with a rotating rod through a first rotating bearing, the top of the rod wall of the rotating rod and positioned inside the limiting frame are fixedly connected with a mounting frame, two sides of the inner surface of the mounting frame are respectively provided with a plurality of groups of rotating mechanisms, and each rotating mechanism comprises two symmetrically arranged fixing plates. This a thermal treatment equipment for drive gear production can carry out quick installation spacing to a plurality of gears before gear heat treatment, takes off the gear after the heat treatment of being convenient for simultaneously is finished fast.
Description
Technical Field
The invention relates to the technical field of gear production, in particular to heat treatment equipment for producing a transmission gear.
Background
The transmission gear is a transmission mechanical part, which refers to a mechanical element with a gear on a wheel rim for continuously meshing and transmitting motion and power, and the gear is an extremely important component in the existing transmission structure and mechanical manufacturing structure.
Wherein patent number is CN108103301B discloses a heat treatment device is used in drive gear production, the device includes the under casing, fixedly connected with motor on the under casing, the first pivot of output fixedly connected with of motor, the one end that the motor was kept away from to first pivot runs through the under casing and is connected with the inside wall rotation of under casing, fixed the cup jointing has first gear in the first pivot, the under casing internal rotation is connected with a plurality of second pivots, fixed the cup jointing has the second gear in the second pivot, first gear and second gear pass through the cingulum and connect, but the device has certain defect when the gear carries out thermal treatment:
the device is when fixed to the gear, screws up spacing through the screw thread, then carries on spacingly to the gear, and this kind of mode is too loaded down with trivial details, can not carry out quick installation and take off to the gear for whole efficiency when gear thermal treatment reduces.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides heat treatment equipment for producing a transmission gear, which has the advantages of being capable of quickly installing and limiting a plurality of gears before heat treatment of the gears and being convenient for quickly taking down the gears after the heat treatment is finished, and solves the problems that the positions of the gears are limited and fixed in a bolt matching limiting plate mode during the heat treatment of the existing gears, the problems are complex, and the overall efficiency of the heat treatment of the gears is influenced.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a heat treatment device for production of a transmission gear comprises a heating furnace, wherein two sides of the inner surface of the heating furnace are respectively provided with a limiting chute, the tops of two limiting chutes penetrate through the heating furnace and are arranged outside, a limiting frame is arranged inside the heating furnace, two sides of the limiting frame are respectively fixedly connected with two symmetrically arranged limiting slide blocks, four limiting slide blocks are respectively in contact connection with the groove walls of the two limiting chutes, the bottom of the limiting frame is rotatably connected with a rotating rod through a first rotating bearing, the top of the rod wall of the rotating rod is fixedly connected with a mounting frame positioned inside the limiting frame, two sides of the inner surface of the mounting frame are respectively provided with a plurality of groups of rotating mechanisms, each rotating mechanism comprises two symmetrically arranged fixed plates, the two fixed plates are respectively fixedly connected with the inner surface of the mounting frame, a support rod is fixedly arranged between the two fixed plates, the pole wall of bracing piece rotates to cup joint and places the pole, controls adjacent two place the pole and keep away from one end mutually and all fix and be equipped with the limiting plate, and is a plurality of the ring channel that a plurality of symmetries set up is all seted up to the pole wall of placing the pole, and is a plurality of the cell wall of ring channel has all cup jointed the gear, be equipped with spacing tight mechanism in top between the cell wall of ring channel and the internal surface of gear, control adjacent two place the pole and be close to one end mutually and seted up slot and shifting chute respectively, the cell wall front side of shifting chute passes places the pole and extends to the outside, and is a plurality of the cell wall of shifting chute all is equipped with spacing coupling mechanism, the bottom of heating furnace is rotated through second rolling bearing and is connected with the connecting axle, the bottom of connecting axle passes the heating furnace and extends to the outside, the axle wall of connecting axle is equipped with slewing mechanism.
Preferably, the spacing tight mechanism in top includes kicking block, first telescopic link and first spring all with the cell wall fixed connection of ring channel, first telescopic link and first spring cup joint, the other end of first telescopic link and first spring is common with kicking block fixed connection, the opposite side of kicking block is connected with the internal surface contact of gear.
Preferably, spacing coupling mechanism includes second telescopic link, second spring and inserted block, second telescopic link and second spring all with the internal surface right side fixed connection of shifting chute, second spring and second telescopic link cup joint, the left end of second spring and second telescopic link is common with the right side fixed connection of inserted block, the left end of inserted block passes the shifting chute and is located the inside of slot, and is connected with the cell wall contact of slot.
Preferably, slewing mechanism includes motor and connecting block, the top of connecting block and the bottom fixed connection of bull stick, the connecting block is square piece, the spread groove has been seted up at the top of connecting axle, the spread groove is located square groove, the connecting block is connected with the cell wall contact of spread groove, the motor is located the below of heating furnace, and the bottom fixed connection of support frame and heating furnace is passed through to the lateral wall, the output of motor and the bottom fixed connection of connecting axle.
Preferably, a pulling plate is fixedly arranged on each of the front sides of the plurality of inserting blocks, and the front sides of the pulling plates penetrate through the moving grooves and extend to the outside.
Preferably, the top of the limiting frame is fixedly provided with a pull ring, a furnace cover is arranged above the heating furnace, and two sides of the inner surface of the furnace cover are in contact connection with the upper end of the outer side wall of the heating furnace.
Preferably, supporting legs are fixedly arranged on two sides of the bottom of the heating furnace.
(III) advantageous effects
Compared with the prior art, the invention provides heat treatment equipment for production of transmission gears, which has the following beneficial effects:
1. this a thermal treatment equipment for drive gear production through mounting bracket, fixed plate, the bracing piece that is equipped with, places pole, ring channel, spacing tight mechanism in top and spacing coupling mechanism, can carry out quick spacing connection to the gear that needs carry out thermal treatment processing, guarantees that the gear does not take place to rock in heat treatment process.
2. This a heat treatment facility for drive gear production, through spacing, mounting bracket, bull stick, spacing slider and slewing mechanism and the heating furnace that is equipped with, can make the gear rotate in the heating furnace inside at heat treatment during operation, guarantee the comprehensive of gear heat treatment.
Drawings
FIG. 1 is a schematic structural view of a heat treatment apparatus for transmission gear production according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
fig. 4 is a schematic structural view of the connecting shaft in fig. 1.
In the figure: 1 heating furnace, 2 spacing framves, 3 spacing slider, 4 bull sticks, 5 mounting brackets, 6 fixed plates, 7 bracing pieces, 8 place the pole, 9 limiting plates, 10 gears, 11 connecting axles, 12 kicking blocks, 13 first telescopic links, 14 first spring, 15 second telescopic links, 16 second spring, 17 inserted block, 18 motor, 19 connecting blocks, 20 arm-tie, 21 pull ring, 22 bell, 23 supporting legss.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a heat treatment device for producing a transmission gear comprises a heating furnace 1, wherein two sides of the inner surface of the heating furnace 1 are respectively provided with a limiting chute, the tops of the two limiting chutes penetrate through the heating furnace 1 and are arranged outside, a limiting frame 2 is arranged inside the heating furnace 1, two sides of the limiting frame 2 are respectively and fixedly connected with two symmetrically arranged limiting slide blocks 3, the four limiting slide blocks 3 are respectively in contact connection with the groove walls of the two limiting chutes, the bottom of the limiting frame 2 is rotatably connected with a rotating rod 4 through a first rotating bearing, the top of the rod wall of the rotating rod 4 is fixedly connected with a mounting frame 5 positioned inside the limiting frame 2, two sides of the inner surface of the mounting frame 5 are respectively provided with a plurality of groups of rotating mechanisms, the limiting slide blocks 3 are connected with the limiting chutes, the mounting frame 5 is not hindered from rotating in the heating, the rotating mechanism comprises two fixed plates 6 which are symmetrically arranged, the two fixed plates 6 are both fixedly connected with the inner surface of the mounting frame 5, a supporting rod 7 is fixedly arranged between the two fixed plates 6, the rod wall of the supporting rod 7 is rotatably sleeved with a placing rod 8, the ends, far away from the left placing rod 8 and the right placing rod 8, of the two adjacent placing rods are both fixedly provided with a limiting plate 9, the rod walls of the placing rods 8 are both provided with a plurality of symmetrically arranged annular grooves, the groove walls of the annular grooves are all sleeved with a gear 10, a limiting and jacking mechanism is arranged between the groove wall of the annular groove and the inner surface of the gear 10, the ends, close to the left placing rod 8 and the right placing rod 8, of the two adjacent placing rods are respectively provided with a slot and a moving groove, the front sides of the groove walls of the moving grooves penetrate through the placing rods 8 and extend to the outside, the groove walls of the moving grooves are both provided with limiting and connecting mechanisms, the bottom of the heating furnace 1 is rotatably connected with a connecting shaft 11 through a second rotating bearing, the bottom of the connecting shaft 11 penetrates through the heating furnace 1 and extends to the outside, the shaft wall of the connecting shaft 11 is provided with a rotating mechanism.
Spacing tight mechanism in top includes kicking block 12, first telescopic link 13 and first spring 14, and first telescopic link 13 and first spring 14 all with the cell wall fixed connection of ring channel, first telescopic link 13 and first spring 14 cup joint, the other end of first telescopic link 13 and first spring 14 jointly with kicking block 12 fixed connection, the opposite side of kicking block 12 is connected with the internal surface contact of gear 10.
Spacing coupling mechanism includes second telescopic link 15, second spring 16 and inserted block 17, and second telescopic link 15 and second spring 16 all with the internal surface right side fixed connection who removes the groove, and second spring 16 and second telescopic link 15 cup joint, the left end of second spring 16 and second telescopic link 15 jointly with the right side fixed connection of inserted block 17, the left end of inserted block 17 passes the shifting chute and is located the inside of slot, and is connected with the cell wall contact of slot.
Slewing mechanism includes motor 18 and connecting block 19, the top of connecting block 19 and the bottom fixed connection of bull stick 4, connecting block 19 is square piece, the spread groove has been seted up at the top of connecting axle 11, the spread groove is located square groove, connecting block 19 is connected with the cell wall contact of spread groove, motor 18 is located the below of heating furnace 1, and the lateral wall passes through the bottom fixed connection of support frame with heating furnace 1, the output of motor 18 and the bottom fixed connection of connecting axle 11, adopt square piece and square groove, can drive mounting bracket 5 and gear 10 and rotate when thermal treatment, homogeneity when improving gear 10 thermal treatment.
All fixed arm-tie 20 that is equipped with in the front side of a plurality of inserted blocks 17, be convenient for remove inserted block 17, thereby make things convenient for inserted block 17 and the connection and the separation of slot, the front side of arm-tie 20 passes the shifting chute and extends to the outside, the fixed pull ring 21 that is equipped with in top of gag frame 2, take out the gear from heating furnace 1 is inside after the gear 10 thermal treatment of being convenient for is ended, the top of heating furnace 1 is equipped with bell 22, the internal surface both sides of bell 22 are connected with the lateral wall upper end contact of heating furnace 1, thereby guarantee the leakproofness of furnace body when heating furnace 1 uses, the bottom both sides of heating furnace 1 are all fixed and are equipped with supporting legs 23, carry out stable support to heating furnace 1.
In conclusion, when the heat treatment equipment for producing the transmission gear is used, firstly the limiting frame 2 and the mounting frame 5 are positioned outside the heating furnace 1, and two adjacent placing rods 8 are not connected, then the top blocks 12 on the plurality of placing rods 8 are sequentially compressed, so that the first spring 14 is compressed, the gear 10 to be subjected to heat treatment is sleeved with the rod wall of the placing rod 8, so that the gear 10 and the annular groove are positioned on the same vertical line, then the top blocks 12 are released to recover through the elastic force of the first springs 14, so that the top blocks 12 are in contact with the inner surface of the gear 10, the other side of the inner surface of the gear 10 is in close contact with the groove wall of the annular groove, the gear 10 is limited and fixed, when all the gears 10 are installed, the pulling plate 20 is pulled, so that the inserting blocks 17 compress the second springs 16, then the two placing rods 8 rotate around the supporting rod 7 and are positioned on the same vertical line, subsequently, the pulling plate 20 is loosened, the elastic force of the second spring 16 is restored, the inserting block 17 is inserted into the slot, the two placing rods 8 are connected, the pulling ring 21 is pulled next, the limiting frame 2 is sent into the heating furnace 1 from the upper side, the limiting sliding block 3 is inserted into the limiting sliding groove, the limiting frame 2 is slowly moved downwards, the connecting block 19 at the bottom of the rotating rod 4 is inserted into the connecting groove at the top of the connecting shaft 11, the furnace cover 22 is connected with the top of the heating furnace 1 when the limiting frame 2 is completely positioned in the heating furnace 1, the motor 18 is started later, the rotating rod 4 and the mounting frame 5 are driven to rotate through the rotation of the connecting shaft 11, the gear 10 slowly rotates when being heated in the heating furnace 1, and all parts of the gear 10 are subjected to sufficient heat treatment.
It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A heat treatment equipment for transmission gear production, includes heating furnace (1), its characterized in that: the inner surface of the heating furnace (1) is provided with two limiting chutes on two sides, the tops of the two limiting chutes penetrate through the heating furnace (1) and are arranged outside the heating furnace, a limiting frame (2) is arranged inside the heating furnace (1), two symmetrical limiting sliding blocks (3) are fixedly connected on two sides of the limiting frame (2), the four limiting sliding blocks (3) are respectively in contact connection with the groove walls of the two limiting chutes, the bottom of the limiting frame (2) is rotatably connected with a rotating rod (4) through a first rotating bearing, the top of the rod wall of the rotating rod (4) is fixedly connected with a mounting frame (5) inside the limiting frame (2), the two inner surfaces of the mounting frame (5) are provided with a plurality of groups of rotating mechanisms, each rotating mechanism comprises two symmetrically arranged fixing plates (6), and the two fixing plates (6) are fixedly connected with the inner surface of the mounting frame (5), a supporting rod (7) is fixedly arranged between the two fixing plates (6), the rod wall of the supporting rod (7) is rotated and sleeved with a placing rod (8), the left and right adjacent two placing rods (8) are respectively fixedly provided with a limiting plate (9) at the end far away from the rod wall of the placing rod (8), a plurality of symmetrical annular grooves are formed in the rod wall of the placing rod (8), a gear (10) is sleeved on the groove walls of the plurality of annular grooves, a limiting and jacking mechanism is arranged between the groove wall of the annular groove and the inner surface of the gear (10), the left and right adjacent two placing rods (8) are respectively provided with a slot and a moving groove at the end close to the rod wall, the front side of the groove wall of the moving groove penetrates through the placing rod (8) and extends to the outside, a plurality of limiting and connecting mechanisms are arranged on the groove walls of the moving groove, and the bottom of the heating furnace (1) is rotatably connected with a connecting shaft (11) through a second rotating bearing, the bottom of the connecting shaft (11) penetrates through the heating furnace (1) and extends to the outside, and a rotating mechanism is arranged on the shaft wall of the connecting shaft (11).
2. The heat treatment apparatus for transmission gear production according to claim 1, wherein: spacing tight mechanism in top includes kicking block (12), first telescopic link (13) and first spring (14) all with the cell wall fixed connection of ring channel, first telescopic link (13) and first spring (14) cup joint, the other end of first telescopic link (13) and first spring (14) is common with kicking block (12) fixed connection, the opposite side of kicking block (12) is connected with the interior surface contact of gear (10).
3. The heat treatment apparatus for transmission gear production according to claim 1, wherein: spacing coupling mechanism includes second telescopic link (15), second spring (16) and inserted block (17), second telescopic link (15) and second spring (16) all with the internal surface right side fixed connection in shifting chute, second spring (16) and second telescopic link (15) cup joint, the left end of second spring (16) and second telescopic link (15) is common with the right side fixed connection of inserted block (17), the left end of inserted block (17) passes the shifting chute and is located the inside of slot, and is connected with the cell wall contact of slot.
4. The heat treatment apparatus for transmission gear production according to claim 1, wherein: slewing mechanism includes motor (18) and connecting block (19), the top of connecting block (19) and the bottom fixed connection of bull stick (4), connecting block (19) are square piece, the spread groove has been seted up at the top of connecting axle (11), the spread groove is located square groove, connecting block (19) are connected with the cell wall contact of spread groove, motor (18) are located the below of heating furnace (1), and the bottom fixed connection that the lateral wall passes through support frame and heating furnace (1), the output of motor (18) and the bottom fixed connection of connecting axle (11).
5. The heat treatment apparatus for transmission gear production according to claim 3, wherein: the front sides of the plurality of inserting blocks (17) are fixedly provided with pull plates (20), and the front sides of the pull plates (20) penetrate through the moving grooves and extend to the outside.
6. The heat treatment apparatus for transmission gear production according to claim 1, wherein: the top of the limiting frame (2) is fixedly provided with a pull ring (21), a furnace cover (22) is arranged above the heating furnace (1), and two sides of the inner surface of the furnace cover (22) are in contact connection with the upper end of the outer side wall of the heating furnace (1).
7. The heat treatment apparatus for transmission gear production according to claim 1, wherein: supporting legs (23) are fixedly arranged on two sides of the bottom of the heating furnace (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110291175.2A CN113186384A (en) | 2021-03-18 | 2021-03-18 | Heat treatment equipment for production of transmission gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110291175.2A CN113186384A (en) | 2021-03-18 | 2021-03-18 | Heat treatment equipment for production of transmission gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113186384A true CN113186384A (en) | 2021-07-30 |
Family
ID=76973428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110291175.2A Withdrawn CN113186384A (en) | 2021-03-18 | 2021-03-18 | Heat treatment equipment for production of transmission gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113186384A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113699355A (en) * | 2021-08-26 | 2021-11-26 | 江苏飞船股份有限公司 | Gear heat treatment device |
| US11904942B1 (en) * | 2022-12-02 | 2024-02-20 | Shanghai Linghuo Trading Co., Ltd. | Adjustable front axle and a vehicle having same |
-
2021
- 2021-03-18 CN CN202110291175.2A patent/CN113186384A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113699355A (en) * | 2021-08-26 | 2021-11-26 | 江苏飞船股份有限公司 | Gear heat treatment device |
| US11904942B1 (en) * | 2022-12-02 | 2024-02-20 | Shanghai Linghuo Trading Co., Ltd. | Adjustable front axle and a vehicle having same |
| US11904941B1 (en) * | 2022-12-02 | 2024-02-20 | Shanghai Linghuo Trading Co., Ltd. | Adjustable front axle and a vehicle having same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113186384A (en) | Heat treatment equipment for production of transmission gear | |
| CN112049436B (en) | Construction method for installing steel structure framework of plastic greenhouse | |
| CN117567011A (en) | Quartz boat annealing device and method thereof | |
| CN112382451A (en) | Glass insulator forming system | |
| CN111863545A (en) | Production process of conducting rod of extra-high voltage circuit breaker | |
| CN116172026A (en) | Cake baking equipment that evenly is heated | |
| CN114770092B (en) | Automatic machining device for three-ball pin based on intelligent manufacturing | |
| CN111590708B (en) | Wooden walking stick production is with automatic positive equipment of hammering | |
| CN111451577B (en) | Auxiliary device for chamfering operation of nodular cast iron pipe and using method thereof | |
| CN113414078A (en) | Heating device and inflation valve baking equipment | |
| CN208717154U (en) | The online changing rig of devitrified glass calender | |
| CN217226343U (en) | Quartz production line mould cleans equipment | |
| CN220957492U (en) | Single crystal furnace frame convenient to remove | |
| CN217942371U (en) | Grinding roller build-up welding frock | |
| CN219352953U (en) | Tea fermentation equipment | |
| CN219094212U (en) | Planetary gear vertical assembly device | |
| CN219761455U (en) | PCB circuit board processingequipment | |
| CN113774493B (en) | Continuous crystalline silicon high-efficiency stress release equipment | |
| CN217424941U (en) | Roller heating device for plugging agent detection | |
| CN116081931B (en) | Method and device for manufacturing glass wine glass by using glass tube | |
| CN114543479A (en) | Electric motor car processing spare part drying device | |
| CN214276351U (en) | Apple drying device | |
| CN114714492B (en) | Uniform heating processing equipment for Longquan celadon | |
| CN218253987U (en) | Adjustable fixing clamp for roller chain machining | |
| CN220217392U (en) | Rotary heating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210730 |