CN210816733U - Novel pusher - Google Patents

Novel pusher Download PDF

Info

Publication number
CN210816733U
CN210816733U CN201921145070.0U CN201921145070U CN210816733U CN 210816733 U CN210816733 U CN 210816733U CN 201921145070 U CN201921145070 U CN 201921145070U CN 210816733 U CN210816733 U CN 210816733U
Authority
CN
China
Prior art keywords
workbench
gear
along
sprocket
fixedly connected
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
Application number
CN201921145070.0U
Other languages
Chinese (zh)
Inventor
周文彦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Yibin Machinery Equipment Co ltd
Original Assignee
Wuxi Yibin Machinery Equipment Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Yibin Machinery Equipment Co ltd filed Critical Wuxi Yibin Machinery Equipment Co ltd
Priority to CN201921145070.0U priority Critical patent/CN210816733U/en
Application granted granted Critical
Publication of CN210816733U publication Critical patent/CN210816733U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model relates to a novel pusher is used in metallurgical steel rolling technical field, and its technical scheme main points are: the automatic feeding device comprises a workbench, wherein a push block is arranged on the workbench, racks are fixedly connected to the side walls of the push block along the width direction of the workbench, the racks are parallel to the extension direction of the workbench, a plurality of rotating shafts are rotatably connected to the two sides of the workbench along the width direction, the rotating shafts are perpendicular to the upper surface of the workbench and penetrate through the workbench along the thickness direction of the workbench, a conveying gear is fixedly connected to one end of each rotating shaft above the workbench, the side surface of each conveying gear is parallel to the upper surface of the workbench, the racks are meshed with the two conveying gears at the same time, a motor is arranged below the workbench, and the motor drives the rotating shafts to rotate through; the advantages are that: the steel billet is pushed through mechanical transmission, the length occupied by the push rod does not need to be reserved, the overall length of the pusher is reduced, and the space utilization efficiency is improved.

Description

Novel pusher
Technical Field
The utility model belongs to the technical field of the metallurgical steel rolling technique and specifically relates to a novel pusher is related to.
Background
The pusher is mainly used for stokehold blanks in the metallurgical and steel rolling industries, and is gradually pushed into a furnace for heating treatment by outputting power through the pusher.
The pusher on the existing market adopts hydraulic type pusher mostly, and hydraulic type pusher comprises hydraulic cylinder, hydraulic power unit, balanced push rod and base etc. promotes the steel billet by parallel push rod and promotes in to the forging furnace, because the length of push rod needs the stroke that more than or equal to promoted the steel billet, occupation space is great, is unfavorable for high-efficient utilization space.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel pusher, its advantage is: the steel billet is pushed through mechanical transmission, the length occupied by the push rod does not need to be reserved, the overall length of the pusher is reduced, and the space utilization efficiency is improved.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a novel pusher, includes the workstation, be equipped with the ejector pad on the workstation, equal fixedly connected with rack on the lateral wall of workstation width direction's both sides is followed to the ejector pad, the rack is parallel with workstation extending direction, the workstation rotates on width direction's both sides and is connected with a plurality of pivots, pivot perpendicular to workstation upper surface just runs through the workstation along workstation thickness direction, the pivot is on a parallel with workstation extending direction evenly distributed and the pivot of workstation both sides for the workstation symmetric distribution along the workstation both ends, the pivot is located the equal fixedly connected with gear of one end of workstation top, gear side is parallel with the workstation upper surface, the rack simultaneously with two gear engagement, the workstation below is equipped with the motor, the motor passes through a plurality of pivots of drive assembly drive and rotates.
By adopting the technical scheme, the conveying gears on two sides of the width direction of the workbench drive the racks to move so as to drive the pushing block to push the steel billet, a hydraulic cylinder and a push rod are not needed, the overall length of the steel pusher is reduced, the space is saved, and the space utilization rate is improved.
The utility model discloses further set up to: the transmission assembly comprises two chains connected end to end, a plurality of driven sprockets, a driving gear, a reversing gear, two driven gears and two driving sprockets, the driven sprockets are fixedly connected with one end, below the workbench, of the rotating shaft, the sprockets located on one side in the width direction of the workbench are meshed with the same chain, the two driving sprockets are respectively meshed with the chains on two sides of the workbench, the lower side of the workbench is rotatably connected with a transmission shaft, the two driving sprockets are respectively fixedly connected with the two transmission shafts, the driven gears are respectively and fixedly connected to the two transmission shafts, below the driving sprockets, of the two transmission shafts, a motor shaft of the motor is fixedly connected with the driving gear, the reversing gear is meshed with the driving gear, a reversing shaft is arranged below the workbench and is rotatably connected with the reversing gear, and the reversing gear and the driving gear are gears of the same type, the two driven gears are respectively meshed with the driving gear or the reversing gear.
Through adopting above-mentioned technical scheme, when the motor corotation, rotate through drive gear, drive gear drives the reversing gear and rotates, thereby make drive sprocket rotate to opposite direction in drive gear and reversing gear engaged driven gear respectively through two, conduct power to driven sprocket through the chain, thereby driven sprocket drives the pivot and rotates and makes workstation both sides transportation gear drive rack to same direction motion, rack and ejector pad fixed connection, so the ejector pad promotes the steel billet and gos forward, transport the gear simultaneous drive in many both sides of same motor, reduced when having practiced thrift the resource because different motor drive both sides transportation gear cause both sides transport the circumstances that accident such as asynchronous cause the turn-over influence production, the reliability of device has been promoted.
The utility model discloses further set up to: the workstation downside is equipped with two spliced poles, two along width direction's both sides all rotate on the spliced pole and be connected with a tensioning sprocket, two tensioning sprocket and a plurality of driven sprocket are located same high, two tensioning sprocket meshes with both sides chain respectively, and two tensioning sprocket and the direction of chain meshing mutually in driven gear and the meshing direction of chain mutually, works as the chain gets back to driving sprocket through driving sprocket, driven sprocket, tensioning sprocket in proper order and at last during the motor corotation.
Through adopting above-mentioned technical scheme, through the tensioning sprocket with the chain tensioning, reduced the interference of driven sprocket both ends to the chain motion, reduced the sprocket simultaneously and scurried the possibility that the tooth influences transmission precision, promoted the practicality of device.
The utility model discloses further set up to: two guide rods are arranged on the two sides of the workbench along the width direction, and the guide rods extend along the length direction of the workbench and penetrate through the push block.
By adopting the technical scheme, the advancing direction of the push block is limited by the guide rod, the influence of shaking on the motion of the push block when the rack and the transport gear are engaged to move is reduced, and the possibility that the machining is influenced by the inclination caused by the vibration in the moving process of the billet is reduced.
The utility model discloses further set up to: the alignment roller device is characterized in that a plurality of alignment rollers are arranged on the workbench, the alignment rollers are uniformly distributed along the length direction of the workbench, and the alignment rollers are symmetrically distributed along the center line of the length direction of the workbench.
Through adopting above-mentioned technical scheme, through the alignment roller, compress tightly the both sides wall of steel billet along workstation width direction respectively through two alignment rollers, with the motion restriction of steel billet on the straight line along workstation length direction, reduced the possibility of steel billet slope, promoted the practicality of device.
The utility model discloses further set up to: the roller is worn to be equipped with on the alignment roller, surface vertical on roller and the workstation, set up a plurality of adjustment tanks that extend along workstation width direction on the workstation, sliding connection has the slider in the adjustment tank, roller and slider fixed connection, threaded connection has the screw rod on the slider, the screw rod extends along adjustment tank length direction, the screw rod extends and runs through the lateral wall of workstation and is connected with workstation lateral wall rotation along adjustment tank length direction.
By adopting the technical scheme, the position of the aligning roller is adjusted by matching the adjusting groove and the sliding block, so that the aligning roller is suitable for steel billets with different widths, the application range of the device is widened, and the convenience of the device is improved.
The utility model discloses further set up to: the workbench is provided with a plurality of fixing frames, the fixing frames are rotatably connected with the compression roller, and the axis of the compression roller is parallel to the width direction of the workbench.
By adopting the technical scheme, the upper surface of the steel billet is pressed by the pressing roller in the moving process of the steel billet, the vibration and inclination possibility of the steel billet is further reduced, and the reliability of the device is improved.
The utility model discloses further set up to: two oil dripping kettles are fixedly connected to the lower side of the workbench, and pipe orifices of the two oil dripping kettles face the two chains respectively.
Through adopting above-mentioned technical scheme, constantly drip lubricating oil to the chain of working under the higher operational environment of temperature through the oilcan, reduce the frictional force between chain and the driven sprocket, reduce the movement resistance and promoted device motion stationarity.
To sum up, the utility model discloses a beneficial technological effect does:
1. the mechanical transmission structure replaces a hydraulic cylinder and a push rod to push the steel billet, so that the overall length of the steel pusher is reduced, the space in the length direction is saved, and the space utilization rate is improved;
2. through the transmission mechanism with the single motor driving device, the situation that the left and right transportation gears do not move synchronously to cause the inclination of the push block due to multi-motor driving is reduced while resources are saved, and the reliability of the device is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
Fig. 2 is a schematic diagram of the present embodiment for embodying the transmission.
Fig. 3 is a schematic structural diagram for embodying the transmission shaft of the present embodiment.
FIG. 4 is a schematic structural diagram of the present embodiment for illustrating the layout of the shafts of the transmission.
Fig. 5 is a schematic structural view of the aligning roller and the adjusting groove according to the present embodiment.
Fig. 6 is a schematic structural diagram for embodying the section of the adjustment groove in the present embodiment.
Fig. 7 is a schematic structural diagram of the oil drip can according to the present embodiment.
In the figure, 1, a workbench; 11. a rotating shaft; 111. a transport gear; 12. a guide bar; 13. an alignment roller; 131. a roll shaft; 14. an adjustment groove; 141. a slider; 142. a screw; 15. a fixed mount; 151. a pressure roller; 16. an oil dripping pot; 2. a push block; 21. a rack; 3. a motor; 31. a drive gear; 4. a drive assembly; 41. a chain; 42. a driven sprocket; 44. a drive shaft; 441. a driven gear; 442. a drive sprocket; 45. a reversing shaft; 451. a reversing gear; 46. connecting columns; 461. a tension sprocket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a novel steel pusher is shown in figures 1 and 2 and comprises a workbench 1, wherein a plurality of rotating shafts 11 (shown in figure 4) penetrating through the workbench 1 along the height direction are arranged on two sides of the workbench 1 along the width direction, the rotating shafts 11 on the same side of the workbench 1 are uniformly distributed along the length direction of the workbench 1, one end of each rotating shaft 11 above the workbench 1 is fixedly connected with a transport gear 111, the side surface of each transport gear 111 is parallel to the upper surface of the workbench 1, a push block 2 is placed on the workbench 1, a rack 21 extending along the length direction of the workbench 1 is fixedly connected to the side wall of each push block 2 on two sides of the width direction of the workbench 1, the length of each rack 21 is simultaneously meshed with two adjacent gears on the same side, a motor 3 is fixedly connected to the ground below the workbench 1, and the motor 3 transmits power to the transport gears 111 through a transmission assembly;
as shown in fig. 2, 3 and 4, the transmission mechanism includes two end-to-end chains 41, driven sprockets 42 with the same number as the rotating shaft 11, a driving gear 31, a reversing gear 451, two driven gears 441 and two driving sprockets 442, a transmission shaft 44 perpendicular to the lower surface of the worktable 1 is rotatably connected to the lower side of the worktable 1, and a reversing shaft 45 perpendicular to the lower surface of the worktable 1 is fixedly connected to the lower side of the worktable 1, a driven gear 441 and a driving sprocket 442 are respectively fixedly connected to each transmission shaft 44, the driving sprocket 442 is located above the driven gear 441, the reversing gear 451 is rotatably connected to the reversing shaft 45, the driving gear 31 is arranged on the shaft of the motor 3, the driven gear 441 is engaged with the driving gear 31, the two driven gears 441 are engaged with the driving gear 31 and the reversing gear 451, the two chains 41 are respectively engaged with a plurality of driven gears 441 and the driving, when the motor 3 works, the driving gear 31 and the reversing gear 451 rotate to drive the driven gear 441 to rotate, and then the rotation is transmitted to the driving sprocket 442 through the transmission shaft 44, the driving sprocket 442 drives the plurality of driven sprockets 42 to rotate through the chain 41, so that the transporting gear 111 is driven by the rotating shaft 11 to drive the rack 21 to move, and the rack 21 drives the pushing block 2 to push the billet. Through the motion of same motor 3 drive both ends rack 21, reduced both ends rack 21 when resources are saved and moved the asynchronous possibility that causes the slope of ejector pad 2, thereby reduced because the 2 instable accidents such as the billet slope that cause of ejector pad 2 motion turns over, the condition of influence normal production, it promotes the billet to replace pneumatic cylinder and push rod through mechanical transmission structure, shortened the holistic length of pusher, reduced the space that the pusher took at length direction, thereby practiced thrift the space and promoted space utilization.
As shown in figure 1, guide rods 12 are arranged on the workbench 1 along two sides of the width direction of the workbench 1, the two guide rods 12 extend in parallel with the length direction of the workbench 1, and the two guide rods respectively penetrate through two sides of the push block 2 along the width direction, so that the movement direction of the push block 2 is limited, the conditions of deviation and vibration in the movement process of the push block 2 are reduced, and the stability of the device is improved.
As shown in fig. 1, a plurality of fixing frames 15 are arranged on the workbench 1, the fixing frames 15 are uniformly distributed along the length direction of the workbench 1, the fixing frames 15 are rotatably connected with pressing rollers 151, the axes of the pressing rollers 151 are parallel to the upper surface of the workbench 1 and are perpendicular to the length direction of the workbench 1, and the steel billets are pressed in the vertical direction through the pressing rollers 151, so that the possibility of vibration of the steel billets in the transportation process is reduced, and the reliability of the device is further improved.
As shown in fig. 2 and 4, two connecting columns 46 are disposed on two sides of the lower side of the working table 1 along the width direction of the working table 1, tensioning sprockets 461 engaged with the chain 41 are respectively rotatably connected to the two connecting columns 46, the width between the connecting columns 46 on the two sides is smaller than the width between the rotating shafts 11 on the two sides, the driven sprocket 42 and the tensioning sprocket 461 on the same side of the working table 1 are both located inside a ring sleeve formed by the end-to-end connection of the chain 41, the driven sprocket 42 and the tensioning sprocket 461 are located on the same height, and when the motor 3 rotates forward, a point on the chain 41 sequentially passes through the driving sprocket 442, the driven sprocket 42 and the tensioning sprocket 461 and finally returns to the driving sprocket 442 to. The chain 41 is tensioned by the tensioning sprocket 461, and the driving stability of the chain 41 is improved.
As shown in fig. 5, a plurality of adjustment grooves 14 are formed in the workbench 1 along the width direction of the workbench 1, a plurality of sliding blocks 141 are slidably connected in the adjustment grooves 14, the sliding grooves are uniformly distributed along the length direction of the workbench 1 and symmetrically distributed relative to the center line of the length direction of the workbench 1, the sliding blocks 141 are fixedly connected to the side surface of the upper side of the workbench 1 and are perpendicular to the roller shaft 131 on the upper surface of the workbench 1, the roller shaft 131 is rotatably connected with the alignment roller 13, a screw 142 extending along the length direction of the adjustment groove 14 is fixedly connected to the groove wall of the adjustment groove 14, and the screw 142 penetrates through two side walls of the adjustment groove 14 and is rotatably connected with two side walls. The middle of the screw 142 is used as a boundary, the thread directions of the two sides of the screw 142 are opposite, the two sliding blocks 141 connected to the same screw 142 are respectively connected with the thread directions of the two sides of the screw 142, and when the screw 142 is rotated by a worker, the two sliding blocks 141 move in a direction of approaching each other or in a direction of separating from each other. When the push block 2 pushes the steel billets, the alignment rollers 13 which are symmetrically arranged compress the steel billets on the two sides of the steel billets along the width direction of the workbench 1, so that the possibility that the steel billets are influenced by the tilting accident caused in the steel billet transportation process is reduced, and the distance between the alignment rollers 13 is adjusted by workers through the screw 142, so that the alignment rollers 13 adapt to the steel billets with different widths, and the reliability and the practicability of the device are improved.
As shown in fig. 7, two oil dripping pots 16 are fixedly connected to the lower side of the workbench 1, oil outlets of the two oil dripping pots 16 are respectively located above the two chains 41, lubricating oil is filled in the oil dripping pots 16, and the oil dripping pots 16 uniformly drip lubricating oil to the chains 41 at a certain speed to reduce friction between the chains 41 and the driven sprockets 42 and between the chains 442 and the tensioning sprockets 461, so that the vibration amplitude of the chains 41 caused by friction resistance is reduced, and the working stability of the device is improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a novel pusher, includes workstation (1), its characterized in that: the automatic feeding device is characterized in that a push block (2) is arranged on the workbench (1), racks (21) are fixedly connected to the push block (2) along the side walls of the two sides of the workbench (1) in the width direction, the racks (21) are parallel to the extending direction of the workbench (1), a plurality of rotating shafts (11) are rotatably connected to the workbench (1) along the two sides of the width direction, the rotating shafts (11) are perpendicular to the upper surface of the workbench (1) and penetrate through the workbench (1) in the thickness direction of the workbench (1), the rotating shafts (11) are uniformly distributed along the two ends of the workbench (1) in the extending direction of the workbench (1) and are symmetrically distributed relative to the workbench (1), a transportation gear (111) is fixedly connected to one end of the rotating shafts (11) above the workbench (1), the side surface of the transportation gear (111) is parallel to the upper surface of the workbench (1), the rack (21) is simultaneously meshed with the two conveying gears (111), a motor (3) is arranged below the workbench (1), and the motor (3) drives the plurality of rotating shafts (11) to rotate through a transmission assembly.
2. The new pusher according to claim 1, characterized in that: the transmission assembly comprises two chains (41) connected end to end, a plurality of driven sprockets (42), a drive gear (31), a reversing gear (451), two driven gears (441) and two drive sprockets (442), the driven sprockets (42) and a rotating shaft (11) are fixedly connected with one end of the lower part of the workbench (1), a sprocket on one side of the width direction of the workbench (1) is meshed with the same chain (41), the two drive sprockets (442) are respectively meshed with the chains (41) on two sides of the workbench (1), a transmission shaft (44) is rotatably connected with the lower side of the workbench (1), the two drive sprockets (442) are respectively fixedly connected with the two transmission shafts (44), the two transmission shafts (44) are respectively fixedly connected with the driven gears (441) below the drive sprockets (442), and a motor (3) shaft of the motor (3) is fixedly connected with the drive gear (31), reversing gear (451) and drive gear (31) meshing, workstation (1) below is equipped with reversing shaft (45), reversing gear (451) and reversing shaft (45) rotate to be connected, reversing gear (451) and drive gear (31) are the gear of the same model, two driven gear (441) mesh with drive gear (31) or reversing gear (451) respectively.
3. The new pusher according to claim 2, characterized in that: workstation (1) downside is equipped with two spliced poles (46) along width direction's both sides, two all rotate on spliced pole (46) and be connected with a tensioning sprocket (461), two tensioning sprocket (461) and a plurality of driven sprocket (42) are located same height, two tensioning sprocket (461) meshes with both sides chain (41) respectively, and two tensioning sprocket (461) and the direction of chain (41) meshing are mutually in the opposite directions of driven gear (441) and chain (41) meshing, work as chain (41) are through drive sprocket (442), driven sprocket (42), tensioning sprocket (461) in proper order and are got back to drive sprocket (442) at last during motor (3) corotation.
4. A new pusher according to claim 3, characterized in that: two guide rods (12) are arranged on the two sides of the workbench (1) in the width direction, and the guide rods (12) extend along the length direction of the workbench (1) and penetrate through the push block (2).
5. The new pusher according to claim 4, characterized in that: be equipped with a plurality of alignment roller (13) on workstation (1), it is a plurality of alignment roller (13) are along workstation (1) length direction evenly distributed, alignment roller (13) are along workstation (1) length direction's central line symmetric distribution.
6. The new pusher according to claim 5, characterized in that: roller (131) are arranged on the aligning roller (13) in a penetrating mode, the surface of the roller (131) is perpendicular to the upper surface of the workbench (1), a plurality of adjusting grooves (14) extending along the width direction of the workbench (1) are formed in the workbench (1), sliding blocks (141) are connected in the adjusting grooves (14) in a sliding mode, the roller (131) is fixedly connected with the sliding blocks (141), threaded rods (142) are connected to the sliding blocks (141) in a threaded mode, the screw rods (142) extend along the length direction of the adjusting grooves (14), extend along the length direction of the adjusting grooves (14) and penetrate through the side wall of the workbench (1), and the screw rods (142) are connected with the side wall of the workbench (1) in a rotating mode.
7. The new pusher according to claim 6, characterized in that: the automatic feeding device is characterized in that a plurality of fixing frames (15) are arranged on the workbench (1), a plurality of pressing rollers (151) are rotatably connected onto the fixing frames (15), and the axes of the pressing rollers (151) are parallel to the width direction of the workbench (1).
8. The new pusher according to claim 7, characterized in that: two oil dripping pots (16) are fixedly connected to the lower side of the workbench (1), and the pipe orifices of the two oil dripping pots (16) face the two chains (41) respectively.
CN201921145070.0U 2019-07-20 2019-07-20 Novel pusher Expired - Fee Related CN210816733U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921145070.0U CN210816733U (en) 2019-07-20 2019-07-20 Novel pusher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921145070.0U CN210816733U (en) 2019-07-20 2019-07-20 Novel pusher

Publications (1)

Publication Number Publication Date
CN210816733U true CN210816733U (en) 2020-06-23

Family

ID=71278027

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921145070.0U Expired - Fee Related CN210816733U (en) 2019-07-20 2019-07-20 Novel pusher

Country Status (1)

Country Link
CN (1) CN210816733U (en)

Similar Documents

Publication Publication Date Title
CN206242123U (en) Cutting machine
CN112846371B (en) Steel pipe machining feeding machine
CN202240479U (en) Workbench automatic switching device
EP0089543A1 (en) Filling and packaging machine for foodstuffs
CN107161715B (en) Blank stacking fixture device with stubble pressing and blank clamping functions
KR102521703B1 (en) rebar hoop bending machine
CN210816733U (en) Novel pusher
CN207258515U (en) A kind of steel plate storehouse and steel plate go out Input System
CN109530610A (en) A kind of chain cutting device
CN108820837B (en) Intelligent conveying machine for production and processing of plastic composite steel plate
CN210382409U (en) Automatic tray loading and conveying mechanism for wheaten food processing equipment
CN216737402U (en) Quenching lifting device
CN107138797B (en) Numerical control saw
CN206985642U (en) A kind of bidirectional fork device
CN205687122U (en) Material conveying device
CN211418755U (en) Chain type jacking transplanter device for tray conveyor
CN105157431B (en) Feeding device before a kind of shaped steel heating furnace
CN103317162A (en) Automatic-feeding four-working-position rebar connecting sleeve drilling machine
CN208019779U (en) A kind of full-automatic supporter column system of processing
CN105033000A (en) Circle forming apparatus via round pipe folding
CN201268058Y (en) Apparatus for producing rubber belt with wire rope
CN206985142U (en) A kind of synchronous blank grabbing machine structure of mud bar carrying implement
CN112372975A (en) Production, manufacturing and processing method of PE corrugated pipe
CN219234293U (en) Cutting machine for small single-platform uncoiler
CN216801494U (en) Wire feeding, straightening and length measuring integrated machine for steel bar packaging machine

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: 20200623