CN215547319U - Simple and easy type wire drawing machine with regulatory function - Google Patents

Simple and easy type wire drawing machine with regulatory function Download PDF

Info

Publication number
CN215547319U
CN215547319U CN202122021533.6U CN202122021533U CN215547319U CN 215547319 U CN215547319 U CN 215547319U CN 202122021533 U CN202122021533 U CN 202122021533U CN 215547319 U CN215547319 U CN 215547319U
Authority
CN
China
Prior art keywords
wire drawing
material carrying
base
carrying plate
plate
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
Application number
CN202122021533.6U
Other languages
Chinese (zh)
Inventor
黄超超
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.)
Shanghai Leifu Laser Technology Development Co ltd
Original Assignee
Shanghai Leifu Laser Technology Development 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 Shanghai Leifu Laser Technology Development Co ltd filed Critical Shanghai Leifu Laser Technology Development Co ltd
Priority to CN202122021533.6U priority Critical patent/CN215547319U/en
Application granted granted Critical
Publication of CN215547319U publication Critical patent/CN215547319U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Metal Extraction Processes (AREA)

Abstract

The application discloses simple and easy type wire drawing machine with regulatory function relates to the metalworking field, it includes wire drawing wheel and rotation motor, the wire drawing wheel is connected with the output shaft transmission who rotates the motor, still include the base, the rotation motor sets up on the base, be provided with on the base and carry the flitch, it carries the elevating system who is provided with the flitch to be used for going up and down between flitch and the base to carry, it is provided with the subassembly that compresses tightly that is used for fixed work piece to carry one side that the base was kept away from to the flitch, it is located one side that the wire drawing wheel is close to the base to carry the flitch, the tip of wire drawing wheel contacts with the work piece that carries the flitch top. According to the wire drawing device, the workpiece is fixed at the top of the material carrying plate through the pressing assembly, so that the problem of poor wire drawing effect caused by workpiece deviation in the wire drawing wheel operation process can be solved; meanwhile, workpieces with different widths can be compressed by different positions of the fixing plate bolts penetrating through the fixing plate holes and the mounting holes, and the distance from the material carrying plate to the wire drawing wheel is adjusted by the lifting mechanism, so that the wire drawing is convenient for the workpieces with different thicknesses, and the production benefit is improved.

Description

Simple and easy type wire drawing machine with regulatory function
Technical Field
The application relates to the field of metal processing, in particular to a simple wire drawing machine with an adjusting function.
Background
Surface drawing is a surface treatment means for forming lines on the surface of a workpiece by grinding a product. It has the double functions of brushing the scratches on the metal surface and decorating the metal surface. Because the texture of the metal material can be reflected by the surface wire drawing treatment, the surface wire drawing treatment is more and more popular among users and is more and more widely applied.
The wire drawing machine in the related art comprises a workbench, a wire drawing wheel and a motor, when the surface wire drawing treatment is performed on a workpiece, the workpiece is usually fixed on the workbench below the wire drawing wheel, the wire drawing wheel is in contact with the upper surface of the workpiece, and the motor drives a grinding wheel to rotate, so that the surface wire drawing treatment on the workpiece is completed.
Although the wire drawing machine is simple and easy to use, the inventor has found that in the related art, when the wire drawing machine is applied for a long time, the thicknesses of workpieces to be processed in different batches are different, and the wire drawing wheel of the wire drawing machine is fixed in height, the worktable is fixed in height, the adaptability is poor, the inconvenience is brought to production and processing, and the improvement can be realized.
SUMMERY OF THE UTILITY MODEL
In order to conveniently process the metal sheet material of the height of different thickness, improve the productivity effect, the application provides a simple and easy type wire drawing machine with regulatory function.
The application provides a simple and easy type wire drawing machine with regulatory function adopts following technical scheme:
the utility model provides a simple and easy type wire drawing machine with regulatory function, includes wire drawing wheel and rotation motor, the wire drawing wheel with the output shaft transmission who rotates the motor is connected, still includes the base, it sets up to rotate the motor on the base, be provided with on the base and carry the flitch, carry the flitch with be provided with between the base and be used for going up and down carry the elevating system of flitch, carry the flitch to keep away from one side of base is provided with the subassembly that compresses tightly that is used for fixed work piece, it is located to carry the flitch the wire drawing wheel is close to one side of base, the tip of wire drawing wheel with the work piece that carries the flitch top contacts.
By adopting the technical scheme, the material carrying plate is arranged, the wire drawing wheel is in contact with the workpiece on the top of the material carrying plate, and when the wire drawing device is used, the workpiece is fixed on the top of the material carrying plate through the pressing assembly, so that the problem of poor wire drawing effect caused by workpiece deviation in the wire drawing wheel operation process can be solved; the lifting mechanism is utilized to adjust the distance from the material carrying plate to the wire drawing wheel, so that the wire drawing is conveniently carried out on workpieces with different thicknesses, and the production benefit is improved.
Optionally, the lifting mechanism includes a driving assembly and a connecting assembly, the connecting assembly includes a sliding member slidably mounted on the base and a connecting arm hinged to the sliding member, the other end of the connecting arm is hinged to the material carrying plate, and a hinge shaft of the connecting arm is perpendicular to a movement direction of the sliding member; the connecting assembly is provided with two groups, and the driving assembly is connected with the sliding pieces and used for driving the two sliding pieces to move close to or away from each other.
Through adopting above-mentioned technical scheme, coupling assembling is provided with two sets ofly, does the motion that is close to each other or keeps away from each other through two sliders of drive assembly drive, and the slider removes on the base and can drive the linking arm and take place to rotate, and through straightening or slope of linking arm drive carry the flitch and rise or descend, and then adjust the distance of carrying the flitch to the wire drawing wheel, process the work piece of different thickness.
Optionally, the driving assembly comprises a driving shaft rotatably connected to the base, a left-handed thread arranged at one end of the driving shaft, and a right-handed thread arranged at the other end of the driving shaft, and two ends of the driving shaft are respectively in threaded connection with the two sliding parts.
Through adopting above-mentioned technical scheme, during the use, rotate the drive shaft along a direction, two threaded connection are in the epaxial slider of drive and are slided along the axial of drive shaft, because the screw thread turning at drive shaft both ends is opposite, and two sliders are the gliding movement that is close to each other or keeps away from each other in the drive shaft, and the slider drives the linking arm and straightens or slope, and then raises or falls and carry the flitch, adjusts the distance that carries the flitch to the wire drawing wheel, can process the work piece of different thickness. Meanwhile, the sliding part is in threaded connection with the driving shaft, and the self-locking performance is achieved, so that after the material loading plate is pressed by a workpiece, the pressure can be transmitted to the sliding part through the connecting arm, and the material loading plate is stabilized at a corresponding height.
Optionally, a handle for rotating the drive shaft is provided at an end of the drive shaft.
Through adopting above-mentioned technical scheme, utilize the crank to rotate the drive shaft, be simple and convenient on the one hand, easily operation, on the other hand is being convenient for control, in time, accurate adjustment lifter plate height.
Optionally, the pressing assembly includes a pressing plate disposed on one side of the workpiece far away from the material carrying plate, two ends of the pressing plate are provided with fixing plate holes, the material carrying plate is correspondingly provided with mounting holes, fixing plate bolts are mounted in the fixing plate holes, rod portions of the fixing plate bolts sequentially penetrate through the fixing plate holes and the mounting holes and are connected with the material carrying plate bolts, and the workpiece is located between the two fixing plate bolts.
By adopting the technical scheme, the workpiece is pressed on the material carrying plate by the pressing plate, and the workpiece is fastened on the material carrying plate through the plate fixing bolts and the bolt connection of the material carrying plate, so that the stability of workpiece installation is improved, and the wire drawing treatment effect is favorably improved.
Optionally, a wrench rod is arranged on the fixed plate bolt.
Through adopting above-mentioned technical scheme, make things convenient for workman's unscrewing or solid board bolt of screwing, make the design more reasonable.
Optionally, the fixing plate hole and the mounting hole are both elongated holes, and the length directions of the fixing plate hole and the mounting hole are perpendicular to the length direction of the material carrying plate.
By adopting the technical scheme, the positions of the fixing plate bolts penetrating through the fixing plate holes and the mounting holes are different, so that workpieces with different widths can be compressed, the adaptability of the device is further improved, and the wire drawing operation on the workpieces with different widths is facilitated.
Optionally, the pressing assemblies on the material carrying plate are provided with two groups, and the two groups are respectively located at two ends of the material carrying plate in the length direction.
Through adopting above-mentioned technical scheme, can compress tightly the both ends of work piece, improve the phenomenon that work piece one end deflected around compressing tightly the department, improve the effect that compresses tightly the work piece, and then improve the stability of wire drawing operation.
Optionally, both ends of an output shaft of the rotating motor are in transmission connection with the wire drawing wheels, and the material carrying plates are correspondingly provided with two.
Through adopting above-mentioned technical scheme, two drawing wheels can the simultaneous operation, improve production efficiency.
Optionally, a protective cover is arranged on the base, the protective cover covers the top of the rotary motor and the wire drawing wheel, and a plurality of heat dissipation holes are formed in the area of the top of the rotary motor.
Through adopting above-mentioned technical scheme, set up the protection casing and can reduce the workman and touch the risk of the wire drawing wheel in operation by mistake, reduce the potential safety hazard. The setting of louvre is used for reducing the protection casing to radiating influence, and the time design is more comprehensive.
In summary, the present application includes at least one of the following beneficial technical effects:
by arranging the material carrying plate, the wire drawing wheel is in contact with the workpiece on the top of the material carrying plate, and when the wire drawing device is used, the workpiece is fixed on the top of the material carrying plate through the pressing assembly, so that the problem of poor wire drawing effect caused by workpiece deviation in the wire drawing wheel operation process can be solved; the lifting mechanism is utilized to adjust the distance from the material carrying plate to the wire drawing wheel, so that the wire drawing is convenient for workpieces with different thicknesses, and the production benefit is improved;
the workpiece is pressed on the material carrying plate by the pressing plate and is fastened on the material carrying plate through the connection of the plate fixing bolt and the material carrying plate, so that the mounting stability of the workpiece is improved, and the wire drawing treatment effect is favorably improved;
the positions of the fixing plate bolts penetrating through the fixing plate holes and the mounting holes are different, so that workpieces with different widths can be compressed, the adaptability of the device is further improved, and the wire drawing operation on the workpieces with different widths is facilitated.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic diagram showing an internal structure of an embodiment of the present application.
Fig. 3 is a schematic diagram illustrating a structure of a pressing assembly in an embodiment of the present application.
Fig. 4 is a schematic structural diagram illustrating the lifting mechanism in the embodiment of the present application.
Description of reference numerals: 1. a wire drawing wheel; 2. rotating the motor; 3. a base; 4. a material carrying plate; 5. a lifting mechanism; 51. a drive assembly; 52. a connecting assembly; 511. a drive shaft; 512. left-handed threads; 513. right-hand threads; 521. a slider; 522. a connecting arm; 6. a handle is rocked; 7. a compression assembly; 71. a compression plate; 72. fixing plate holes; 73. mounting holes; 74. fixing a plate bolt; 8. a spanner bar; 9. a protective cover; 10. heat dissipation holes; 11. a vertical plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses simple and easy type wire drawing machine with regulatory function.
Referring to fig. 1 and 2, a simple wire drawing machine with an adjusting function comprises a base 3, wherein the base 3 is rectangular plate-shaped, a rotating motor 2 is fixedly placed on the base 3, and two ends of an output shaft of the rotating motor 2 are connected with a wire drawing wheel 1 in a transmission mode. One side of the wire drawing wheel 1 close to the base 3 is provided with a material carrying plate 4, the material carrying plate 4 is rectangular plate-shaped, the material carrying plate 4 is installed on the base 3 through a lifting mechanism 5, a workpiece is detachably fixed on one side of the material carrying plate 4 close to the wire drawing wheel 1 through a pressing component 7, and the end part of the wire drawing wheel 1 is in contact with the workpiece on the top of the material carrying plate 4 and is used for performing wire drawing treatment on the surface of a metal plate. Install protection casing 9 on the base 3, it is preferred, protection casing 9 be fixed with the grafting pole towards the four corners welded fastening of one side of base 3, the grafting pole is pegged graft and is fixed on base 3 to establish the top at rotating motor 2 and wire drawing wheel 1 with protection casing 9 cover, be used for reducing the workman and touch the risk of wire drawing wheel 1 in operation by mistake, reduce the potential safety hazard. The protection cover 9 covers the area at the top of the rotating motor 2 and is provided with a plurality of heat dissipation holes 10 for reducing the influence of the protection cover 9 on heat dissipation and enabling the design to be more comprehensive.
Referring to fig. 1 and 3, a set of pressing assembly 7 is respectively provided at two ends of the length direction of the material carrying plate 4, the pressing assembly 7 includes a pressing plate 71 placed at the top of the workpiece, the pressing plate 71 is rectangular plate-shaped, two ends of the pressing plate 71 are respectively provided with a fixing plate hole 72, the material carrying plate 4 is correspondingly provided with a mounting hole 73, a fixing plate bolt 74 is installed in the fixing plate hole 72, and a rod part of the fixing plate bolt 74 sequentially penetrates through the fixing plate hole 72 and the mounting hole 73 and is in bolt connection with the material carrying plate 4, so that the workpiece is fastened on the upper surface of the material carrying plate 4. The two side edges of the workpiece are respectively abutted against the mutually adjacent side walls of the same group of fixing plate bolts 74 for further limiting the deflection of the workpiece. Both the fixing plate hole 72 and the mounting hole 73 are elongated holes, the length directions of the fixing plate hole 72 and the mounting hole 73 are perpendicular to the length direction of the material carrying plate 4, and the positions of the fixing plate bolts 74 penetrating through the fixing plate hole 72 and the mounting hole 73 are different, so that workpieces with different widths can be pressed tightly. The head of the plate fixing bolt 74 is fixedly welded with the wrench rod 8, so that convenience is provided for the process of loosening or screwing the plate fixing bolt 74 by workers.
Referring to fig. 1 and 4, the lifting mechanism 5 includes a driving assembly 51 and two sets of connecting assemblies 52, and the lifting mechanism 5 is located between the material carrying plate 4 and the base 3. The top of base 3 is welded and fixed with two risers, and two risers are located the both ends of year flitch 4 length direction respectively. The driving assembly 51 comprises a driving shaft 511, and the driving shaft 511 is rotatably connected with the two vertical plates through a bearing member, and further rotatably connected with the base 3. One end of the driving shaft 511 penetrates out of the vertical plate, the end part of the driving shaft 511 penetrating out of the vertical plate is fixedly connected with a rocking handle 6 through a shaft sleeve, and the driving shaft 511 is rotated by the rocking handle 6, so that the device is simple and convenient, and is easy to operate and control.
The connecting assembly 52 comprises a sliding member 521 and a connecting arm 522, wherein one end of the connecting arm 522 is hinged with the sliding member 521, and the other end of the connecting arm 522 is hinged with the loading plate 4. One end of the drive shaft 511 is provided with a left-hand thread 512 and the other end of the drive shaft 511 is provided with a right-hand thread 513. The sliding member 521 is a hollow round sleeve, and a thread is formed on the inner wall, both ends of the driving shaft 511 are respectively in threaded connection with the sliding members 521 in the two sets of connecting assemblies 52, and when the driving shaft 511 is rotated, the two sliding members 521 perform sliding movement on the driving shaft 511, which moves closer to or away from each other. The articulated shaft of linking arm 522 is perpendicular to the direction of motion of slider 521, and slider 521 slides, drives linking arm 522 and straightens or inclines, and then rises or falls down year flitch 4, adjusts the distance of carrying flitch 4 to wire drawing wheel 1, processes the work piece of different thickness.
The implementation principle of the simple wire drawing machine with the adjusting function is as follows: when the workpiece pressing device is used, a workpiece is placed on the material carrying plate 4, the pressing plates 71 are placed at two ends of the upper surface of the material carrying plate 4, the rod parts of the plate fixing bolts 74 penetrate through the plate fixing holes 72 in the pressing plates 71 and the mounting holes 73 in the material carrying plate 4, the plate fixing bolts 74 are in bolt connection with the material carrying plate 4, the workpiece is fastened on the material carrying plate 4, and when the positions of the plate fixing bolts 74 penetrating through the plate fixing holes 72 and the mounting holes 73 are different, workpieces with different widths can be pressed; the connecting arm 522 is hinged below the material loading plate 4, the other end of the connecting arm 522 is hinged with the sliding part 521, the sliding part 521 is in threaded connection with the driving shaft 511, the thread turning directions of the two ends of the driving shaft 511 are opposite, the rocking handle 6 is rotated to drive the driving shaft 511 to rotate, the sliding part 521 moves close to or away from each other along the driving shaft 511, the sliding part 521 moves to drive the connecting arm 522 to straighten or incline, the material loading plate 4 rises or falls along with the connecting arm, when the workpiece on the material loading plate 4 is adjusted to be in contact with the edge of the wire drawing wheel 1, the rotating motor 2 is started, and the wire drawing wheel 1 performs surface wire drawing treatment on the workpiece under the action of the rotating motor 2. The distance from the material carrying plate 4 to the wire drawing wheel 1 is adjusted by the lifting mechanism 5, so that workpieces with different thicknesses can be conveniently processed, and the production benefit is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a simple and easy type wire drawing machine with regulatory function, includes wire drawing wheel (1) and rotating electrical machines (2), wire drawing wheel (1) with the output shaft transmission of rotating electrical machines (2) is connected, its characterized in that: the wire drawing wheel is characterized by further comprising a base (3), the rotating motor (2) is arranged on the base (3), a material carrying plate (4) is arranged on the base (3), a lifting mechanism (5) used for lifting the material carrying plate (4) is arranged between the material carrying plate (4) and the base (3), a pressing component (7) used for fixing a workpiece is arranged on one side, away from the base (3), of the material carrying plate (4), the material carrying plate (4) is located on one side, close to the base (3), of the wire drawing wheel (1), and the end portion of the wire drawing wheel (1) is in contact with the workpiece on the top of the material carrying plate (4).
2. The simple wire drawing machine with the adjusting function according to claim 1, characterized in that: the lifting mechanism (5) comprises a driving assembly (51) and a connecting assembly (52), the connecting assembly (52) comprises a sliding part (521) which is slidably mounted on the base (3) and a connecting arm (522) which is hinged with the sliding part (521), the other end of the connecting arm (522) is hinged with the material carrying plate (4), and a hinged shaft of the connecting arm (522) is perpendicular to the moving direction of the sliding part (521); the connecting assemblies (52) are provided with two groups, and the driving assemblies (51) are connected with the sliding members (521) and used for driving the two sliding members (521) to move close to or away from each other.
3. The simple wire drawing machine with the adjusting function according to claim 2, characterized in that: the driving assembly (51) comprises a driving shaft (511) rotatably connected to the base (3), a left-handed thread (512) arranged at one end of the driving shaft (511) and a right-handed thread (513) arranged at the other end of the driving shaft (511), wherein two ends of the driving shaft (511) are respectively in threaded connection with the two sliding pieces (521).
4. The simple wire drawing machine with the adjusting function according to claim 3, characterized in that: the end of the drive shaft (511) is provided with a handle (6) for rotating the drive shaft (511).
5. The simple wire drawing machine with the adjusting function according to claim 1, characterized in that: the pressing assembly (7) comprises a pressing plate (71) which is arranged on one side, far away from the material carrying plate (4), of the workpiece, fixing plate holes (72) are formed in two ends of the pressing plate (71), mounting holes (73) are correspondingly formed in the material carrying plate (4), fixing plate bolts (74) are mounted in the fixing plate holes (72), rod portions of the fixing plate bolts (74) sequentially penetrate through the fixing plate holes (72) and the mounting holes (73) and are connected with the material carrying plate (4) through bolts, and the workpiece is located between the fixing plate bolts (74).
6. The simple wire drawing machine with the adjusting function according to claim 5, characterized in that: and a spanner rod (8) is arranged on the fixed plate bolt (74).
7. The simple wire drawing machine with the adjusting function according to claim 5, characterized in that: the fixing plate holes (72) and the mounting holes (73) are all elongated holes, and the length directions of the fixing plate holes (72) and the mounting holes (73) are perpendicular to the length direction of the material carrying plate (4).
8. The simple wire drawing machine with the adjusting function according to claim 5, characterized in that: the pressing assemblies (7) on the material carrying plate (4) are provided with two groups and are respectively positioned at two ends of the material carrying plate (4) in the length direction.
9. The simple wire drawing machine with the adjusting function according to claim 1, characterized in that: the two ends of an output shaft of the rotating motor (2) are in transmission connection with the wire drawing wheels (1), and the material carrying plates (4) are correspondingly provided with two.
10. The simple wire drawing machine with the adjusting function according to claim 1, characterized in that: be provided with protection casing (9) on base (3), protection casing (9) cover is established rotate motor (2) with the top of wire drawing wheel (1), protection casing (9) cover is established rotate the region at motor (2) top and seted up a plurality of louvres (10).
CN202122021533.6U 2021-08-25 2021-08-25 Simple and easy type wire drawing machine with regulatory function Active CN215547319U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122021533.6U CN215547319U (en) 2021-08-25 2021-08-25 Simple and easy type wire drawing machine with regulatory function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122021533.6U CN215547319U (en) 2021-08-25 2021-08-25 Simple and easy type wire drawing machine with regulatory function

Publications (1)

Publication Number Publication Date
CN215547319U true CN215547319U (en) 2022-01-18

Family

ID=79842252

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122021533.6U Active CN215547319U (en) 2021-08-25 2021-08-25 Simple and easy type wire drawing machine with regulatory function

Country Status (1)

Country Link
CN (1) CN215547319U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114434304A (en) * 2022-02-22 2022-05-06 江苏必拓汽车部件有限公司 Polishing device for production of automobile storage grid cover plate and processing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114434304A (en) * 2022-02-22 2022-05-06 江苏必拓汽车部件有限公司 Polishing device for production of automobile storage grid cover plate and processing method thereof

Similar Documents

Publication Publication Date Title
CN215547319U (en) Simple and easy type wire drawing machine with regulatory function
CN210757048U (en) Workpiece polishing device
CN210730674U (en) Stamping device is used in bolt production
CN217667352U (en) Cabinet panel beating welding set
CN214922148U (en) Piston assembly nut installation mechanism
CN116251988A (en) High-efficient numerical control continuous plate shearing machine
CN212217985U (en) Automatic grinding device is used in metal door production
CN211968007U (en) Square quartz material cutting and feeding jig
CN212241400U (en) Wood cutting equipment
CN210936788U (en) Edge-covered bending machine for plate edges
CN209775987U (en) Novel carpenter's carving machine
CN103640063B (en) Right-angle surface planing operation quick despatch universal fixturing
CN216575251U (en) Quick-witted case panel beating bending device convenient to location
CN221020169U (en) Blade length grinding device
CN114524220B (en) Material guiding equipment for ceramic part production
CN221018092U (en) Auxiliary structure for bending machine
CN221435628U (en) Plate trimming and chamfering integrated processing device
CN217192870U (en) Machining workbench of shaper
CN221848354U (en) Stamping die
CN220198004U (en) Positioning mechanism of plate edge sealing device for furniture production
CN212884254U (en) Bending device for machining with adjustable camber
CN210632334U (en) Turning device for machining
CN218475913U (en) Workpiece forging and pressing equipment convenient for feeding
CN210098843U (en) Adjustable thread rolling device
CN221455520U (en) Polishing device for nonferrous metal rolled material aluminum veneer

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant