CN210334140U - Copper line flattens former - Google Patents
Copper line flattens former Download PDFInfo
- Publication number
- CN210334140U CN210334140U CN201920978997.6U CN201920978997U CN210334140U CN 210334140 U CN210334140 U CN 210334140U CN 201920978997 U CN201920978997 U CN 201920978997U CN 210334140 U CN210334140 U CN 210334140U
- Authority
- CN
- China
- Prior art keywords
- wire
- flattening
- copper
- forming apparatus
- fixing frame
- 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.)
- Expired - Fee Related
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000010949 copper Substances 0.000 title description 9
- 229910052802 copper Inorganic materials 0.000 title description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000004804 winding Methods 0.000 claims abstract description 30
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 210000001503 joint Anatomy 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000005485 electric heating Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
Images
Landscapes
- Wire Processing (AREA)
Abstract
The utility model discloses a copper wire flattening forming device, belonging to the technical field of wire flattening devices, comprising a wire supply part, a wire pressing part and a wire collecting part, wherein the wire supply part is positioned in front of the wire pressing part and is arranged oppositely; receive line position in line ball portion rear, line ball portion be provided with board, flattening mechanism, actuating mechanism and winding displacement ware, flattening mechanism sets up between supply line portion and winding displacement ware, the winding displacement ware sets up between flattening mechanism and receipts line portion, actuating mechanism sets up in the board bottom, is connected with flattening mechanism, receipts line portion and winding displacement ware respectively, flattening mechanism be provided with heating device and heat flattening mechanism, the utility model discloses when flattening to the wire rod, heat flattening mechanism, be favorable to flattening the wire rod, reduce the wire rod fracture.
Description
Technical Field
The utility model relates to a wire rod flattens technical field, especially relates to a copper line flattens former.
Background
The copper wire refers to a wire rod produced by pressing or drawing copper. Copper wire has a wide range of applications and can be used for manufacturing wires, cables, brushes or for compasses, aeronautical instruments and the like. Copper wire is also very easy to hot and cold press work due to its good plasticity.
The variety of copper wire rods is very large. According to the alloy grades, the copper-brass alloy can be divided into lead brass wires, pure copper wires, oxygen-free copper wires and the like. According to the cross-sectional shape, the wire can be classified into a round copper wire, a flat wire, a molded wire, and the like. And can also be divided into soft copper wire, hard copper wire and semi-hard copper wire according to the performance state. Wherein, the production process of the flat wire needs flattening and stretching processes. In the existing copper wire flattening and stretching method, a manual or semi-manual method is mostly used, so that the requirement on the operation strength of workers is high, and the production efficiency is not further improved.
Therefore, design a structural design rationally, can realize line ball process automation, reduce workman working strength's line ball equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a copper line flattens former is provided with the heating pipe and carries out the appropriate heating to the wire rod, is favorable to flattening mechanism to flatten the wire rod, is provided with the cleaning brush at flattening mechanism's upper and lower running roller, can in time clean the impurity of adhesion, prevents to press disconnected wire rod to set up quick assembly disassembly structure at the take-up pulley, improve the efficiency of changing the take-up pulley.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a copper wire flattening forming device comprises a wire supply part, a wire pressing part and a wire collecting part, wherein the wire supply part is positioned in front of the wire pressing part and is oppositely arranged; the wire supply part is provided with a wire feeding frame and a first torsion spring pulley, the wire feeding frame is provided with a plurality of wire releasing shafts, each wire releasing shaft is provided with a wire releasing wheel, each wire taking part is positioned behind the corresponding wire pressing part, each wire taking part is provided with a wire taking shaft, one end of each wire taking shaft is connected with a chain wheel, each chain wheel is coaxial with the corresponding wire taking shaft, each wire taking shaft is provided with a wire taking wheel, each wire pressing part is provided with a machine table, a flattening mechanism, a driving mechanism and a wire arranging device, the side surface of each machine table is provided with a control panel, each driving mechanism is arranged at the bottom of the machine table and provided with a driving motor and a driving chain, each driving motor is respectively connected with the flattening mechanism and the corresponding wire taking mechanism through the driving chain, each flattening mechanism is arranged between the wire supply part and the corresponding wire arranging device, the winding displacement ware top is provided with second torsional spring pulley, collapsing mechanism include compression roller and lower compression roller, its characterized in that: the wire winding mechanism is characterized in that the flattening mechanism is provided with a heating device, the heating device is arranged in front of the flattening mechanism and is fixedly arranged at the front end of the machine table, the heating device comprises a wire passing pipe, a heating wire, a wire and a fixing frame, the wire passing pipe is fixedly arranged at the top of the fixing frame, the heating wire is arranged in the wire passing pipe, the wire is connected with the heating wire and is arranged in the fixing frame, the wire is connected to a control panel, and the wire winding wheel is provided with a quick assembling.
The end surfaces of the two sides of the take-up pulley are provided with a plurality of jacks.
Furthermore, the wire passing pipe is a hollow cylinder, and an installation groove is formed between the inner wall and the outer wall.
Furthermore, a wire guide groove is arranged in the fixing frame.
Furthermore, two ends of the mounting groove are communicated with the wire guide groove, so that the electric heating wire is connected with the wire inside.
Furthermore, the bottom of the wire passing pipe is provided with a butt joint block, and a screw hole is formed in the butt joint block.
Furthermore, the top of the fixing frame is provided with a slot, one side of the slot is provided with a round hole corresponding to the screw hole,
the butt joint block is inserted into the slot, and the wire passing pipe is arranged on the fixed frame by using a screw.
Furthermore, a straightening wheel is fixedly arranged in front of the heating device, so that the copper wire and the wire passing pipe are kept in the same straight line.
Furthermore, the upper press roller and the lower press roller are both provided with cleaning brushes, and brush heads of the cleaning brushes are in contact with the surfaces of the press rollers.
Furthermore, quick assembly disassembly structure including inserting dish, two bearings and sleeve pipe, the bearing housing is located and is inserted the dish both ends, inserts the dish outer terminal surface and be provided with a plurality of inserted bars, the bearing external mounting is in the sleeve pipe.
The insert plate can rotate in the sleeve through a bearing, and the sleeve is fixed and does not rotate.
Furthermore, the cross section of the sleeve is T-shaped, and a handle is arranged outside the sleeve to provide a stress part, so that the sleeve is convenient to move or disassemble.
The utility model has the advantages that
The utility model provides a copper line flattens former is provided with the heating pipe and carries out the appropriate heating to the wire rod, is favorable to flattening mechanism to flatten the wire rod, is provided with the cleaning brush at flattening mechanism's top and bottom running roller, can in time clean the impurity of adhesion, prevents to press disconnected wire rod to set up quick assembly disassembly structure at the take-up pulley, improve the efficiency of changing the take-up pulley.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the heating device of the present invention;
FIG. 3 is a schematic cross-sectional view of the fixing frame of the present invention;
FIG. 4 is a schematic cross-sectional view of the wire passing tube of the present invention;
FIG. 5 is a schematic view of the structure of the fast dismounting and mounting device for Xining
Description of reference numerals: the device comprises a machine table 1, a driving motor 10, a straightening wheel 11, a wire arranging device 12, a second torsion spring pulley 13, a feeding frame 2, a wire releasing shaft 21, a first torsion spring pulley 22, a wire releasing wheel 3, a wire taking-up wheel 4, a wire taking-up wheel carrier 40, a wire taking-up shaft 41, a quick assembling and disassembling structure 42, an inserting disc 43, an inserting rod 44, a bearing 45, a sleeve 46, a handle 47, a heating device 5, a fixing frame 51, a round hole 52, an inserting groove 53, a wire passing pipe 54, a butt joint block 55, a screw hole 56, an electric heating wire 57, an installing groove 59, a flattening mechanism 6, an upper pressing roller 61, a lower pressing roller 62.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout, and which are illustrated in the following description with reference to the accompanying drawings, and which are meant to be illustrative only and not to be construed as limiting the invention, and the description is therefore intended to be illustrative only, and the practice of the inventive concepts herein is not limited solely to the exemplary embodiments described herein and the illustrations in the drawings, which are not limiting.
As shown in fig. 1-5:
example 1
A copper wire flattening forming device comprises a wire supply part, a wire pressing part and a wire collecting part, wherein the wire supply part is positioned in front of the wire pressing part and is oppositely arranged; the wire feeding part is provided with a wire feeding rack 2 and a first torsion spring pulley 22, the wire feeding rack 2 is provided with 2 wire releasing shafts 21, each wire releasing shaft 21 is provided with a wire releasing wheel 3, each wire releasing wheel 3 is wound with a cylindrical copper wire 8, the wire winding part is positioned behind the wire pressing part, the wire winding part is provided with a wire winding shaft 41, one end of each wire winding shaft 41 is connected with a chain wheel, the chain wheels are coaxial with the wire winding shafts 41, each wire winding shaft 41 is provided with a wire winding wheel 4, the wire pressing part is provided with a machine table 1, a flattening mechanism 6, a driving mechanism and a wire arranging device 12, the side surface of the machine table 1 is provided with a control panel 14, the driving mechanism is arranged at the bottom of the machine table 1, the driving mechanism is provided with a driving motor 10 and a driving chain, the driving motor 10 is respectively connected with the flattening mechanism 6 and the wire winding mechanism through the driving chain, actuating mechanism sets up in 1 bottom of board, is connected with flattening mechanism 6, receipts line portion and winding displacement ware 12 respectively, and winding displacement ware 12 top is provided with second torsional spring pulley 13, flattening mechanism 6 include compression roller 61 and lower compression roller 62, its characterized in that: the flattening mechanism 6 is provided with a heating device 5, the heating device 5 is arranged in front of the flattening mechanism 6 and is fixedly arranged at the front end of the machine table 1, the heating device 5 comprises a wire passing pipe 54, an electric heating wire 57, a lead and a fixing frame 51, the wire passing pipe 54 is fixedly arranged at the top of the fixing frame 51, the electric heating wire 57 is arranged in the wire passing pipe 54, the lead and the electric heating wire 57 are connected and arranged in the fixing frame 51, the lead is connected to the control panel 14, and the take-up pulley 4 is provided with a quick dismounting structure 42.
The control panel 14 sets different temperatures for heating according to the hardness of different copper wires.
The two side end faces of the take-up pulley 4 are provided with 4 jacks.
The wire passing pipe 54 is a hollow cylinder, a mounting groove 58 is arranged between the inner wall and the outer wall, and the copper wire 8 passes through the wire passing pipe 54.
The fixing frame 51 is provided with a wire guide 50, and a wire is mounted in the wire guide.
Both ends of the mounting groove 58 communicate with the wire groove 50, so that the heating wire 57 is internally connected with the wire.
The bottom of the wire passing pipe 54 is provided with a butt joint block 55, and the butt joint block 55 is provided with a screw hole 56.
The top of the fixing frame 51 is provided with a slot, one side of the slot is provided with a round hole 52 corresponding to the screw hole 56, the butt joint block 55 is inserted into the slot, and the wire passing pipe 54 is installed on the fixing frame 51 by using a screw.
The straightening wheel 11 is fixedly arranged in front of the heating device 5, and the copper wire 8 and the wire passing pipe 54 are kept in the same straight line.
The upper press roller 61 and the lower press roller 62 are both provided with cleaning brushes 63, and the brush heads of the cleaning brushes 63 contact the surface of the press roller.
Quick assembly disassembly structure 42 is including inserting dish 43, two bearings 45 and sleeve pipe 46, and the dish both ends are located to the bearing 45 cover, and the outer terminal surface of inserting dish 43 is provided with 4 inserted bars, and bearing 45 external mounting is in sleeve pipe 46.
The insert 43 is rotatable within the sleeve 46 by means of a bearing 45, while the sleeve 46 is fixed against rotation.
The cross section of the sleeve 46 is T-shaped, and a handle is arranged outside the sleeve 46 to provide a stress part, so that the sleeve is convenient to move or disassemble.
Example 2
A copper wire flattening forming device comprises a wire supply part, a wire pressing part and a wire collecting part, wherein the wire supply part is positioned in front of the wire pressing part and is oppositely arranged; the wire feeding part is provided with a wire feeding frame 2 and a first torsion spring pulley 22, the wire feeding frame 2 is provided with 4 wire releasing shafts 21, each wire releasing shaft 21 is provided with a wire releasing wheel 3, a plurality of wire releasing wheels are convenient and rapid to change materials, a cylindrical copper wire 8 is wound on each wire releasing wheel 3, each wire winding part is positioned behind each wire pressing part, each wire winding part is provided with a wire winding shaft 41, one end of each wire winding shaft 41 is connected with a chain wheel which is coaxial with the corresponding wire winding shaft 41, each wire winding shaft 41 is provided with a wire winding wheel 4, each wire pressing part is provided with a machine table 1, a flattening mechanism 6, a driving mechanism and a wire arranging device 12, the side surface of the machine table 1 is provided with a control panel 14, the driving mechanism is arranged at the bottom of the machine table 1, the driving mechanism is provided with a driving motor 10 and a driving chain, the driving motor 10 is respectively connected, winding displacement 12 sets up in flattening mechanism 6 and receives between the line portion, and actuating mechanism sets up in 1 bottom of board, is connected with flattening mechanism 6, receipts line portion and winding displacement 12 respectively, and 12 tops of winding displacement are provided with second torsional spring pulley 13, flattening mechanism 6 include compression roller 61 and lower compression roller 62, its characterized in that: the flattening mechanism 6 is provided with a heating device 5, the heating device 5 is arranged in front of the flattening mechanism 6 and is fixedly arranged at the front end of the machine table 1, the heating device 5 comprises a wire passing pipe 54, an electric heating wire 57, a lead and a fixing frame 51, the wire passing pipe 54 is fixedly arranged at the top of the fixing frame 51, the electric heating wire 57 is arranged in the wire passing pipe 54, the lead and the electric heating wire 57 are connected and arranged in the fixing frame 51, the lead is connected to the control panel 14, and the take-up pulley 4 is provided with a quick dismounting structure 42.
The end surfaces of the two sides of the take-up pulley 4 are provided with cross slots.
The wire passing pipe 54 is a hollow cylinder, a mounting groove 58 is arranged between the inner wall and the outer wall, and the copper wire 8 passes through the wire passing pipe 54.
The fixing frame 51 is provided with a wire groove 50.
Both ends of the mounting groove 58 communicate with the wire groove 50, so that the heating wire 57 is internally connected with the wire.
The bottom of the wire passing pipe 54 is provided with a butt joint block 55, and the butt joint block 55 is provided with a screw hole 56.
The top of the fixing frame 51 is provided with a slot, one side of the slot is provided with a round hole 52 corresponding to the screw hole 56,
the butt block 55 is inserted into the insertion groove, and the wire guide 54 is mounted on the fixing frame 51 by a screw.
The straightening wheel 11 is fixedly arranged in front of the heating device 5, and the copper wire 8 and the wire passing pipe 54 are kept in the same straight line.
The upper press roller 61 and the lower press roller 62 are both provided with cleaning brushes 63, and the brush heads of the cleaning brushes 63 contact the surface of the press roller.
The quick assembly disassembly structure 42 includes inserting the dish 43, two bearings 45 and sleeve 46, and the dish both ends are located to the bearing 45 cover, and the outer terminal surface of inserting the dish 43 is provided with cross plug block, and bearing 45 external mounting is in sleeve 46.
The insert 43 is rotatable within the sleeve 46 by means of a bearing 45, while the sleeve 46 is fixed against rotation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.
Claims (10)
1. A copper wire flattening forming device comprises a wire supply part, a wire pressing part and a wire collecting part, wherein the wire supply part is positioned in front of the wire pressing part and is oppositely arranged; the wire supply part is provided with a wire feeding frame and a first torsion spring pulley, the wire feeding frame is provided with a plurality of wire releasing shafts, each wire releasing shaft is provided with a wire releasing wheel, each wire taking part is positioned behind the corresponding wire pressing part, each wire taking part is provided with a wire taking shaft, one end of each wire taking shaft is connected with a chain wheel, each chain wheel is coaxial with the corresponding wire taking shaft, each wire taking shaft is provided with a wire taking wheel, each wire pressing part is provided with a machine table, a flattening mechanism, a driving mechanism and a wire arranging device, the side surface of each machine table is provided with a control panel, each driving mechanism is arranged at the bottom of the machine table and provided with a driving motor and a driving chain, each driving motor is respectively connected with the flattening mechanism and the corresponding wire taking mechanism through the driving chain, each flattening mechanism is arranged between the wire supply part and the corresponding wire arranging device, the winding displacement ware top is provided with second torsional spring pulley, collapsing mechanism include compression roller and lower compression roller, its characterized in that: the wire winding mechanism is characterized in that the flattening mechanism is provided with a heating device, the heating device is arranged in front of the flattening mechanism and is fixedly arranged at the front end of the machine table, the heating device comprises a wire passing pipe, a heating wire, a wire and a fixing frame, the wire passing pipe is fixedly arranged at the top of the fixing frame, the heating wire is arranged in the wire passing pipe, the wire is connected with the heating wire and is arranged in the fixing frame, the wire is connected to a control panel, and the wire winding wheel is provided with a quick assembling.
2. The copper wire flattening and forming apparatus as claimed in claim 1, wherein: the wire passing pipe is a hollow cylinder, and an installation groove is formed between the inner wall and the outer wall.
3. The copper wire flattening and forming apparatus as claimed in claim 1, wherein: the fixing frame is internally provided with a wire guide groove.
4. The copper wire flattening and forming apparatus as claimed in claim 2, wherein: and two ends of the mounting groove are communicated with the wire guide groove.
5. The copper wire flattening and forming apparatus as claimed in claim 1, wherein: the bottom of the wire passing pipe is provided with a butt joint block, and a screw hole is formed in the butt joint block.
6. The copper wire flattening and forming apparatus as claimed in claim 1, wherein: the top of the fixing frame is provided with a slot, and one side of the slot is provided with a round hole corresponding to the screw hole.
7. The copper wire flattening and forming apparatus as claimed in claim 1, wherein: the front of the heating device is fixedly provided with a straightening wheel.
8. The copper wire flattening and forming apparatus as claimed in claim 1, wherein: the upper press roller and the lower press roller are both provided with cleaning brushes.
9. The copper wire flattening and forming apparatus as claimed in claim 1, wherein: the quick assembly disassembly structure include plug tray, two bearings and sleeve pipe, the plug tray both ends are located to the bearing housing, the outer terminal surface of plug tray is provided with a plurality of inserted bars, bearing external mounting is in the sleeve pipe.
10. The copper wire flattening and forming apparatus as claimed in claim 9, wherein: the cross section of the sleeve is T-shaped, and a handle is arranged outside the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978997.6U CN210334140U (en) | 2019-06-27 | 2019-06-27 | Copper line flattens former |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978997.6U CN210334140U (en) | 2019-06-27 | 2019-06-27 | Copper line flattens former |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210334140U true CN210334140U (en) | 2020-04-17 |
Family
ID=70191003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920978997.6U Expired - Fee Related CN210334140U (en) | 2019-06-27 | 2019-06-27 | Copper line flattens former |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210334140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263374A (en) * | 2021-05-18 | 2021-08-17 | 江西富鸿金属有限公司 | Copper wire setting device of hot-dip tinned wire production line |
-
2019
- 2019-06-27 CN CN201920978997.6U patent/CN210334140U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263374A (en) * | 2021-05-18 | 2021-08-17 | 江西富鸿金属有限公司 | Copper wire setting device of hot-dip tinned wire production line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117104994A (en) | Winding device for cotton metal wire composite line production | |
| CN210334140U (en) | Copper line flattens former | |
| CN110767384A (en) | Installation wire stranding machine for aviation | |
| CN114974739A (en) | Wire stranding device and method for cable production | |
| CN213671149U (en) | Cable drawing machine | |
| CN215561506U (en) | Coating device for producing plastic-coated wire | |
| CN111014302B (en) | Multi-roller type seamless taper pipe ultra-precision forming device and seamless taper pipe forming process | |
| CN202780417U (en) | Horizontal hairbrush ring pressing machine | |
| CN220072900U (en) | Bending machine for machining pipe | |
| CN202629561U (en) | Section aluminum device | |
| CN216262854U (en) | U-shaped pipe bending device of heat exchanger | |
| CN220160998U (en) | Bearing plate for bending and flattening metal spring plate | |
| CN202893928U (en) | Four-roller forming machine for V-shaped groove of drill rod of gun drill | |
| CN214919455U (en) | Full-automatic pipe bending machine | |
| CN214612165U (en) | Toughened glass gradual change forming device | |
| CN116039059A (en) | PVC pipeline production bending device with guiding mechanism | |
| CN222643099U (en) | Straightening device for flat copper wire production | |
| CN222288437U (en) | Easy-to-use arc bending machine for steel pipe | |
| CN101337248A (en) | Pipe bender | |
| CN222902341U (en) | Bending machine for pipe production | |
| CN223491706U (en) | Simple elastic wiredrawing forming device | |
| CN212603384U (en) | A fiber tube stretching device | |
| CN221559093U (en) | Tempering furnace for glass production | |
| CN222058650U (en) | Pipeline shaping preheating device | |
| CN222690433U (en) | Tubular strander convenient to maintain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |