CN210995841U - Drawing reducing device for producing non-standard metal circular tube for drawing machine - Google Patents
Drawing reducing device for producing non-standard metal circular tube for drawing machine Download PDFInfo
- Publication number
- CN210995841U CN210995841U CN201922023138.4U CN201922023138U CN210995841U CN 210995841 U CN210995841 U CN 210995841U CN 201922023138 U CN201922023138 U CN 201922023138U CN 210995841 U CN210995841 U CN 210995841U
- Authority
- CN
- China
- Prior art keywords
- groove
- pipe
- drawing machine
- gradual change
- 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.)
- Active
Links
- 239000002184 metal Substances 0.000 title claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 18
- 230000008859 change Effects 0.000 claims abstract description 46
- 230000006978 adaptation Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Landscapes
- Metal Extraction Processes (AREA)
Abstract
The utility model provides a drawable reducing device of production non-standard metal pipe for drawing machine, be connected mounting bracket and drive connecting lever and the drive output end of drawing machine is connected, two inboards of drawing machine frame are equipped with the rack that the tooth's socket set up in opposite directions, and the gear of drive assembly tip is located the mounting bracket outside and corresponds the side rack meshing, links firmly in the core bar tip and stretches into the gradual change groove adaptation on the inside plug of mounting bracket and the mould, and the pipe suit is on the core bar and extend gradually in the groove, and the roll extrusion reducing to the pipe under mould and the plug cooperation is realized to the drive connecting lever drive mounting bracket along rack length direction back and forth movement. The utility model discloses a structure is drawn with plug complex to the roll extrusion reducing of pipe under mould and the plug cooperation is realized, has reduced the frictional force between pipe and the mould greatly, has eliminated quality defects such as tubular product surface pit, fold, microcrack, has improved reducing pipe quality, and the mould position is adjustable, and the target pipe precision of drawing production behind the reducing by the pipe is high.
Description
Technical Field
The utility model belongs to the technical field of the tubular product reducing, concretely relates to drawbench is with drawing reducing device of production non-standard metal pipe.
Background
In the production and manufacturing process of the high-precision nonferrous metal pipe material, due to different pipe diameter requirements on the nonferrous metal pipe product, the drawing reducing treatment needs to be carried out on the prefabricated and molded standard pipe blank, and the required nonferrous metal pipe with the non-standard pipe diameter smaller than the standard pipe diameter is obtained. The multi-pass processing of the nonferrous metal pipe mainly adopts a drawing process that a moving core head is matched with a pipe drawing die, the diameter of the nonferrous metal pipe is changed by drawing to meet the required diameter requirement, the key of the process in the production process is in the aspect of a die, the quality of a product is determined by the die in the using process, the existing pipe drawing die mainly adopts a die with a conical hole structure, when the die is used for reducing the diameter of the nonferrous metal pipe, the die used for determining the outer diameter of the pipe and the outer wall of the pipe are in sliding friction, the defects of pits, folds, microcracks and the like are easily formed on the surface of the pipe, the quality of the reduced pipe is seriously influenced, and the improvement is necessary for aiming at the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem: the drawing reducing device adopts a drawing structure of matching a die and a mandrel, the die is arranged on a transmission assembly on an installation frame, and a driving crank arm pulls the installation frame to reciprocate back and forth along the length direction of a rack to realize rolling reducing of the tube blank under the matching of the die and the mandrel, so that the friction force between the tube blank and the die is greatly reduced, the quality defects of pits, folds, microcracks and the like on the surface of the tube blank are eliminated, the quality of the reducing tube is improved, the position of the die is adjustable, and the precision of a target tube produced after drawing and reducing the tube blank is high.
The utility model adopts the technical proposal that: drawing reducing device of production non-standard metal pipe for drawing machine, including locating the inside mounting bracket of drawing machine frame, the mounting bracket is connected and the drive connecting lever is connected with drawing machine power take off end with the drive connecting lever, two inboards of drawing machine frame are equipped with the rack that the tooth's socket set up in opposite directions, the gear that is equipped with drive assembly and drive assembly tip on the mounting bracket is located the mounting bracket outside and corresponds the meshing of side rack, and the mould of installing on drive assembly is located inside the mounting bracket, and links firmly in the core bar tip and stretch into the gradual change groove adaptation on the inside plug of mounting bracket and the mould, and the pipe suit is on the core bar and extends gradually the change inslot, the roll extrusion reducing to the pipe under drive connecting lever drives the mounting bracket and realizes mould and the plug cooperation along rack length direction.
Wherein, the mounting bracket includes two parallel arrangement's U-shaped plate and is located between the U-shaped plate and with the axle that draws that the U-shaped plate links firmly, the system has the connection boss at recess and fixed plate both ends and the recess adaptation that corresponds the side on the inner wall of U-shaped plate mounting groove upper end, mounting bracket and fixed plate link firmly as an organic whole with fixed plate and mounting bracket through the spliced pole and the lock nut that is located the U-shaped plate outside and closes soon with spliced pole tip adaptation, the drive assembly both ends are located the installation cavity that U-shaped plate and fixed plate formed, be equipped with the sloping block between drive assembly and the fixed plate, be equipped with on the mounting bracket of sloping block both sides and support tight fixed location lead screw with the sloping block to be fixed in the mounting bracket through sloping.
Furthermore, two sets of transmission assemblies which are vertically distributed are arranged in an installation cavity formed by the U-shaped plate and the fixed plate, each transmission assembly comprises a gear, a connecting shaft, a bearing seat and a distance sleeve, wherein the two connecting shafts which are vertically distributed are supported on the installation frame through the bearing seats, one end of the connecting shaft on the lower layer and the other end of the connecting shaft on the upper layer are respectively and fixedly connected with the gear positioned outside the installation frame, the middle part of each mold is provided with a gradual change groove, two molds which are symmetrically arranged in a way that the upper position corresponds to the lower position and the gradual change grooves are positioned in the installation frame and fixed on the corresponding connecting shaft, the connecting shafts on the two sides of each mold are respectively provided with a chuck and a distance sleeve, the chucks are clamped with one side of each mold, the two ends of each distance sleeve are respectively supported on the bearing inner rings of the end surface on the other, the bearing frame up end on upper strata is the inclined plane the same with the sloping block bottom surface, and the gib block adaptation of locating upper bearing frame up end is connected with the guide way of sloping block bottom surface to realize the regulation of distance between two moulds and the fixed of bearing frame on the mounting bracket about through the position of adjusting the sloping block, the drawbench frame inboard is equipped with the rack that the tooth's socket set up in opposite directions, drive connecting lever pulling mounting bracket in the drawbench realizes the roll extrusion reducing to the pipe under mould and the plug cooperation along rack length direction reciprocating motion back and forth.
Furthermore, a clamping groove is formed in the end face of one side of the mold, a boss on the end face of the chuck is clamped in the clamping groove, and a positioning groove is formed in the end face of the other side of the mold, and the end portion of the distance sleeve abuts against the groove face of the positioning groove.
Furthermore, a gradual change groove is formed in the middle of the outer circumferential wall of the die, the gradual change groove is formed by gradual change transition of a large groove opening end and a small groove opening end which are connected end to end, the large groove opening of the gradual change groove is matched with the tube blank, the small groove opening of the gradual change groove is matched with a target tube obtained after the tube blank is subjected to diameter change, the core rod is formed by gradual change transition of a large end with the same diameter as the core rod and a small end with the same inner diameter as the target tube, and the curvature of the core rod is the same as that of the gradual change groove.
Furthermore, the outer wall surface of the mounting rack is provided with a positioning block for positioning the bearing seat.
The utility model has the advantages compared with the prior art:
1. according to the technical scheme, the drawing structure with the matched die and the core rod is adopted, the die is arranged on the transmission assembly on the mounting frame, the mounting frame is pulled by the driving crank arm to reciprocate back and forth along the length direction of the rack, and then the rolling diameter change of the tube blank under the matching of the die and the core rod is realized, so that the friction force between the tube blank and the die is greatly reduced, the quality defects of pits, wrinkles, microcracks and the like on the surface of the tube are eliminated, and the quality of the diameter-changed tube is improved;
2. according to the technical scheme, the tapered iron is arranged between the upper-layer bearing seat and the fixed plate, and the distance between the two gradual change grooves is adjusted by adjusting the position of the tapered iron, so that the diameter-changing distance between the two gradual change grooves is ensured, and the influence on the quality of the reducer pipe fitting caused by the abrasion of the gradual change grooves is eliminated;
3. according to the technical scheme, the diameter and the wall thickness of a target pipe are selected, the die and the core rod corresponding to the target pipe are selected, various different non-standard pipe fittings are prepared by drawing, and the preparation range of the non-standard pipe fittings is wide;
4. the technical scheme has the advantages of simple structure, novel design, no need of manual control of the tube blank in the diameter changing process, high safety and reliability and high precision of the diameter-changed tube.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure between the driving assembly with the mold and the mounting frame of the present invention;
fig. 3 is the schematic view of the structure of the mold and the chuck of the present invention.
Detailed Description
An embodiment of the present invention will be described in conjunction with fig. 1-3 to clearly and completely describe the technical solution, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, not the whole embodiment.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The drawing reducing device for producing the non-standard metal round pipe for the drawing machine comprises an installation frame 3 arranged inside a drawing machine frame, wherein the installation frame 3 is connected with a driving connecting lever, the driving connecting lever is connected with the power output end of the drawing machine, racks 6 with tooth grooves arranged oppositely are arranged on two inner sides of the drawing machine frame, a transmission assembly is arranged on the installation frame 3, a gear 9 at the end part of the transmission assembly is positioned outside the installation frame 3 and is meshed with the racks 6 on the corresponding side, a die 1 arranged on the transmission assembly is positioned inside the installation frame 3, a mandrel 2 fixedly connected to the end part of a core rod 4 and extending into the installation frame 3 is matched with a gradual change groove 5 on the die 1, the pipe blank is sleeved on the core rod 4 and extends into the gradual change groove 5, and the driving connecting lever drives the installation frame 3 to reciprocate back and forth along the length direction of the racks 6; specifically, the mounting frame 3 comprises two parallel U-shaped plates 19 and a pull shaft 20 which is positioned between the U-shaped plates 19 and fixedly connected with the U-shaped plates 19, grooves 15 are formed in the inner walls of the upper ends of the mounting grooves of the U-shaped plates 19, connecting bosses at two ends of a fixing plate 16 are matched with the grooves 15 on the corresponding sides, the fixing plate 16 and the mounting frame 3 are fixedly connected into a whole by the mounting frame 3 and the fixing plate 16 through a connecting column 17 and a locking nut which is positioned outside the U-shaped plates 19 and is matched with the end part of the connecting column 17 in a matched and screwed mode, two ends of a transmission assembly are positioned in a mounting cavity formed by the U-shaped plates 19 and the fixing plate 16, an inclined block 12 is arranged between the transmission assembly and the fixing plate 16, positioning screw rods 18 for tightly fixing the inclined block 12 are arranged on the mounting frame 3 on two sides of; specifically, two sets of transmission assemblies which are distributed up and down are arranged in an installation cavity formed by the U-shaped plate 19 and the fixing plate 16, each transmission assembly comprises a gear 9, a connecting shaft 8, a bearing seat 7 and a distance sleeve 11, wherein the two connecting shafts 8 which are distributed up and down are all supported on the installation frame 3 through the bearing seats 7, one end of the connecting shaft 8 at the lower layer and the other end of the connecting shaft 8 at the upper layer are respectively and fixedly connected with the gear 9 positioned outside the installation frame 3, a gradual change groove 5 is formed in the middle of the mold 1, two molds 1 which are symmetrically arranged by the gradual change groove 5 and correspond to the upper and lower positions are positioned in the installation frame 3 and fixed on the corresponding connecting shaft 8, a chuck 10 and a distance sleeve 11 are respectively arranged on the connecting shafts 8 at two sides of the mold 1, the chuck 10 is clamped with one side of the mold 1, two ends of the distance sleeve 11 are, the lower bearing seat 7 is positioned on the groove surface of the mounting groove of the mounting frame 3, the upper bearing seat 7 is placed on the lower bearing seat 7, the upper end surface of the upper bearing seat 7 is an inclined surface which is the same as the bottom surface of the inclined block 12, a guide strip 13 which is arranged on the upper end surface of the upper bearing seat 7 is in adaptive connection with the guide groove on the bottom surface of the inclined block 12, the distance between the upper die 1 and the lower die 1 is adjusted and the bearing seat 7 is fixed on the mounting frame 3 by adjusting the position of the inclined block 12, racks 6 with opposite tooth grooves are arranged on the inner side of a rack of the drawing machine, and a driving crank arm in the drawing machine pulls the mounting frame 3 to reciprocate back and forth along the length direction of the racks 6 to realize rolling and diameter; specifically, a clamping groove is formed in the end face of one side of the mold 1, a boss on the end face of the chuck 10 is clamped in the clamping groove, a positioning groove is formed in the end face of the other side of the mold 1, and the end of the distance sleeve 11 abuts against the groove face of the positioning groove; specifically, a gradual change groove 5 is formed in the middle of the outer circumferential wall of the die 1, the gradual change groove 5 is formed by gradual change transition of a large groove opening end and a small groove opening end which are connected end to end, the large groove opening of the gradual change groove 5 is matched with a tube blank, the small groove opening of the gradual change groove 5 is matched with a target tube obtained after the tube blank is subjected to diameter change, the core rod 2 is formed by gradual change transition of a large head end with the same diameter as the core rod 4 and a small head end with the same inner diameter as the target tube, and the curvature of the core rod 2 is the same as that of the gradual change groove 5; specifically, a positioning block 14 for positioning the bearing seat 7 is arranged on the outer wall surface of the mounting frame 3.
According to the diameter and the wall thickness of a target pipe, selecting a proper die 1 and a proper mandrel 2, namely determining the die 1 corresponding to a gradual change groove 5 corresponding to the diameter and the wall thickness of the target pipe and the mandrel 2 matched with the die 1, starting a drawing machine after the die 1 and the mandrel 2 are installed and debugged, enabling a large notch of the gradual change groove 5 to bite the end part of a pipe blank, driving a crank arm to pull an installation frame 3 to move forwards along the length direction of a rack 6, gradually changing the gradual change grooves 5 on the two dies 1 into small notches from the large notch, rolling and reducing the pipe blank in the rotation process of the die 1, rolling and forwards the pipe blank by the die 1 under the action of the die 1 in the process, driving the crank arm to pull the installation frame 3 to move backwards along the length direction of the rack 6 after the crank pipe blank is rolled and formed, and gradually increasing the gradual change grooves 5 on the two dies 1, the die 1 loosens the tube blank until the tube blank is moved backwards to the large groove mouth of the gradual change groove 5 to bite the tube blank without diameter change, the process is repeated until the whole tube material is rolled and reduced into the target tube, and the whole tube material does not need to be manually fed and discharged in the rolling and reducing process, so that the labor intensity of workers is reduced.
The technical scheme adopts a drawing structure that a die 1 is matched with a core rod 2, the die 1 is arranged on a transmission component on an installation frame 3, the installation frame 3 is pulled by a driving crank arm to reciprocate back and forth along the length direction of a rack 6 to realize the rolling diameter change of the die 1 and the core rod 2 under the matching, the friction force between the tube blank and the die 1 is greatly reduced, the quality defects of pits, folds, microcracks and the like on the surface of the tube are eliminated, the quality of the diameter-changed tube is improved, the tapered iron 12 is arranged between an upper bearing seat 7 and a fixed plate 16, the distance between two tapered grooves 5 is adjusted by adjusting the position of the tapered iron 12, the diameter-changing distance between the two tapered grooves 5 is ensured, the influence on the quality of the diameter-changed tube fitting caused by the abrasion of the tapered grooves 5 is eliminated, the die 1 and the core rod 2 corresponding to a target tube are selected according to the diameter and the wall thickness of the target tube, and, the non-standard pipe fitting has the advantages of wide preparation range, simple structure, novel design, no need of manual control in the diameter changing process of the pipe blank, high safety and reliability and high precision of the diameter-changed pipe.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The drawing reducing device for producing the non-standard metal circular tube for the drawing machine is characterized in that; comprises an installation frame (3) arranged inside a drawbench rack, the installation frame (3) is connected with a driving connecting lever, the driving connecting lever is connected with the power output end of a drawbench, racks (6) with tooth grooves arranged oppositely are arranged on two inner sides of the drawing machine frame, a transmission assembly is arranged on the mounting rack (3), a gear (9) at the end part of the transmission assembly is positioned on the outer side of the mounting rack (3) and is meshed with the corresponding side rack (6), a die (1) arranged on the transmission assembly is positioned inside the mounting rack (3), and the core rod (2) which is fixedly connected with the end part of the core rod (4) and extends into the mounting rack (3) is matched with the gradual change groove (5) on the die (1), the tube blank is sleeved on the core rod (4) and extends into the gradual change groove (5), the driving crank arm drives the mounting rack (3) to reciprocate back and forth along the length direction of the rack (6) to realize rolling and reducing of the tube blank under the matching of the die (1) and the mandrel (2).
2. The drawing diameter-changing device for producing the non-standard metal round pipe for the drawing machine according to claim 1, characterized in that: the mounting rack (3) comprises two U-shaped plates (19) arranged in parallel and a pull shaft (20) which is positioned between the U-shaped plates (19) and fixedly connected with the U-shaped plates (19), the inner wall of the upper end of the mounting groove of the U-shaped plates (19) is provided with a groove (15) and a connecting boss at two ends of a fixed plate (16) and a groove (15) matched with the corresponding side, the mounting rack (3) and the fixed plate (16) are fixedly connected into a whole with the fixed plate (16) and the mounting rack (3) through a connecting column (17) and a locking nut which is positioned outside the U-shaped plates (19) and is screwed with the end part matched with the connecting column (17), two ends of a transmission component are positioned in a mounting cavity formed by the U-shaped plates (19) and the fixed plate (16), an inclined block (12) is arranged between the transmission component and the fixed plate (16), and positioning screw rods (18) which tightly fix the inclined block (, and the transmission assembly is fixed on the mounting frame (3) through an inclined block (12) and a positioning screw rod (18).
3. The drawing diameter-changing device for producing the non-standard metal round pipe for the drawing machine according to claim 2, characterized in that: two sets of transmission assemblies which are distributed from top to bottom are arranged in an installation cavity formed by the U-shaped plate (19) and the fixing plate (16), each transmission assembly comprises a gear (9), a connecting shaft (8), a bearing seat (7) and a distance sleeve (11), wherein the two transmission shafts (8) which are distributed from top to bottom are supported on the installation frame (3) through the bearing seats (7), one end of the connecting shaft (8) at the lower layer and the other end of the connecting shaft (8) at the upper layer are respectively and fixedly connected with the gear (9) positioned at the outer side of the installation frame (3), a gradual-changing groove (5) is formed in the middle of each mold (1), two molds (1) which are symmetrically arranged in the upward and downward positions and are provided with the gradual-changing grooves (5) are positioned in the installation frame (3) and are fixed on the corresponding connecting shafts (8), and each mold (1) is provided with a chuck (10), and chuck (10) and mould (1) one side joint, distance cover (11) both ends support respectively on the bearing inner race of mould (1) another side terminal surface and corresponding side bearing frame (7), bearing frame (7) of lower floor are located mounting bracket (3) mounting groove face, bearing frame (7) of upper strata are placed on bearing frame (7) of lower floor, bearing frame (7) up end of upper strata is the inclined plane the same with sloping block (12) bottom surface, and locate gib block (13) of upper bearing frame (7) up end and the guide way adaptation connection of sloping block (12) bottom surface, and realize the regulation of distance between two mould (1) and the fixed of bearing frame (7) on mounting bracket (3) about the position of sloping block (12) is realized, the drawing machine frame inboard is equipped with tooth's socket (6) that set up in opposite directions, realize mould (1) and plug (2) behind drive turning arm mounting bracket (3) in the drawing machine along rack (6) length direction reciprocating motion back and forth ) The rolling diameter change of the tube blank is matched.
4. The drawing diameter-changing device for producing the non-standard metal round pipe for the drawing machine according to claim 3, characterized in that: the end face of one side of the die (1) is provided with a clamping groove, a boss on the end face of the chuck (10) is clamped in the clamping groove, and the end face of the other side of the die (1) is provided with a positioning groove and a distance sleeve (11) of which the end part is supported on the groove face of the positioning groove.
5. The drawing diameter-changing device for producing the non-standard metal round pipe for the drawing machine according to claim 1, 2, 3 or 4, is characterized in that: outer circumferential wall middle part system of mould (1) has gradual change groove (5), gradual change groove (5) are formed by end to end's big notch end and little notch end gradual change transition, the gradual change groove (5) big notch and pipe blank adaptation and the gradual change groove (5) little notch and the target pipe adaptation that obtains behind the pipe blank reducing, plug (2) are formed by the big head end the same with core bar (4) diameter and the little head end gradual change transition the same with the target pipe internal diameter, and the camber of plug (2) is the same with the camber of gradual change groove (5).
6. The drawing diameter-changing device for producing the non-standard metal round pipe for the drawing machine according to claim 5, characterized in that: and a positioning block (14) for positioning the bearing seat (7) is arranged on the outer wall surface of the mounting frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922023138.4U CN210995841U (en) | 2019-11-21 | 2019-11-21 | Drawing reducing device for producing non-standard metal circular tube for drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922023138.4U CN210995841U (en) | 2019-11-21 | 2019-11-21 | Drawing reducing device for producing non-standard metal circular tube for drawing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210995841U true CN210995841U (en) | 2020-07-14 |
Family
ID=71502374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922023138.4U Active CN210995841U (en) | 2019-11-21 | 2019-11-21 | Drawing reducing device for producing non-standard metal circular tube for drawing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210995841U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814068A (en) * | 2019-11-21 | 2020-02-21 | 宝鸡市中金有色金属有限公司 | Drawing reducing device for producing non-standard metal circular tube for drawing machine and process method thereof |
| CN119972841A (en) * | 2024-12-30 | 2025-05-13 | 安徽广宇电子材料有限公司 | Coating device and method for single crystal copper bonding wire rough drawing production |
| CN120839528A (en) * | 2025-09-19 | 2025-10-28 | 厦门海洋职业技术学院 | Aluminum alloy hub edge rounding device and method |
-
2019
- 2019-11-21 CN CN201922023138.4U patent/CN210995841U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814068A (en) * | 2019-11-21 | 2020-02-21 | 宝鸡市中金有色金属有限公司 | Drawing reducing device for producing non-standard metal circular tube for drawing machine and process method thereof |
| CN119972841A (en) * | 2024-12-30 | 2025-05-13 | 安徽广宇电子材料有限公司 | Coating device and method for single crystal copper bonding wire rough drawing production |
| CN119972841B (en) * | 2024-12-30 | 2025-09-19 | 安徽广宇电子材料有限公司 | Coating device and method for single crystal copper bonding wire rough drawing production |
| CN120839528A (en) * | 2025-09-19 | 2025-10-28 | 厦门海洋职业技术学院 | Aluminum alloy hub edge rounding device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210995841U (en) | Drawing reducing device for producing non-standard metal circular tube for drawing machine | |
| CN104858286B (en) | A kind of spinning equipment | |
| CN109351794B (en) | Extrusion molding device for aluminum alloy profile | |
| CN108465721A (en) | A kind of push-model Profile CNC stretch benders | |
| CN111151580A (en) | Automatic loading and unloading manipulator for rolled tube core rods | |
| CN108772451B (en) | Novel pipe bender capable of bending upwards and downwards | |
| CN102107230A (en) | Shaping device for preparing bent tube by virtue of differential-velocity extrusion of dual male dies | |
| CN110252934B (en) | Sheet metal type sheet metal part riveting tool die | |
| CN201572808U (en) | Hydraulic servo vibration extruder | |
| CN110814068A (en) | Drawing reducing device for producing non-standard metal circular tube for drawing machine and process method thereof | |
| CN115921559A (en) | An integrated drawing and cold rolling machine for new energy battery square shells | |
| CN213052431U (en) | Pneumatic centering mechanism | |
| CN218049932U (en) | 9-shaped pipe bender | |
| CN105665519B (en) | A kind of bend pipe punching numerical control all-in-one | |
| CN211413295U (en) | Pipe spinning forming equipment | |
| CN220970400U (en) | Production line and device for inner reducing special-shaped steel pipe | |
| CN115382932B (en) | A D-type aluminum tube automated production mold | |
| CN210121637U (en) | Pipe fitting processing and forming machine, side punching hole flanging device and die clamping unit | |
| CN214639101U (en) | Stand forming structure of stainless steel pipe machine | |
| CN101837382A (en) | Production method and device of copper tube used by conductive nozzle | |
| CN117920776A (en) | Automatic aluminum profile forming equipment and preparation process thereof | |
| CN215998161U (en) | Accurate straightening disc for thin-walled tube | |
| CN212884233U (en) | A precision straightening unit for thin-walled metal pipes | |
| CN212122233U (en) | Welding assembly for circular tube forming | |
| CN106001144B (en) | For producing the mold and equipment and application method of long spline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |