CN212652395U - Small pipe production equipment - Google Patents
Small pipe production equipment Download PDFInfo
- Publication number
- CN212652395U CN212652395U CN202021297482.9U CN202021297482U CN212652395U CN 212652395 U CN212652395 U CN 212652395U CN 202021297482 U CN202021297482 U CN 202021297482U CN 212652395 U CN212652395 U CN 212652395U
- Authority
- CN
- China
- Prior art keywords
- winding
- cold
- rolling
- plate
- heat treatment
- 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
Images
Abstract
A small pipe production device comprises a rolling device, a heat treatment device and a cold rolling device, wherein the cold rolling device is connected with the heat treatment device, the heat treatment device is connected with the rolling device, the heat treatment device and the cold rolling device of the rolling device are arranged on the same straight line, the plates are prevented from twisting in the transportation process, the quality of the plates is improved, the rolling device comprises a rolling mechanism for rolling the processed plates and a rolling cooling mechanism for cooling the heat-treated plates, the rolling cooling mechanism is connected with the heat treatment device, the rolling mechanism is connected with the rolling cooling mechanism, the plates are rolled by the cold rolling device, the end surfaces at two sides of the plates are limited during rolling, the flatness of the side surfaces of the plates is improved, the rolling efficiency is improved, the heat treatment device is used for annealing the cold-rolled plates, the internal stress of the cold-rolled plates is removed, and the rolled plate is rolled by the rolling device, so that the rolling efficiency of the plate is improved, and the waste rate of the plate is reduced.
Description
Technical Field
The utility model belongs to pipe material production facility, concretely relates to little pipe material production facility.
Background
With the continuous infrastructure of the country, the demand of the plate is more and more, and in order to meet the use requirements under different environments, the plate needs to be subjected to multiple and complex processing procedures, such as heat treatment, cutting, division and the like; the winding mechanism is used for winding the pipe materials, so that the long-strip materials are convenient to move and transport, and the occupied area of the long-strip materials is reduced.
At present, when a tube material is coiled by a winding mechanism on the market, the head of the tube material is generally bent so as to fixedly install the tube material on the coiling mechanism, so that the bent part of the tube material needs to be straightened or cut off when the tube material is used, material waste is caused, and the working efficiency is reduced; moreover, the winding mechanism on the market does not have a component for pressing the tail end of the pipe material, so that the tail end of the pipe material is warped after the winding of the pipe material is finished, and the pipe material is inconvenient to carry and transport.
Rolling is a press working method in which a metal blank is passed through a gap between a pair of rotating rolls, and the material is reduced in cross section and increased in length by compression of the rolls, and is the most common production method for producing steel, and is mainly used for producing profiles, plates and pipes.
At present, when cold rolling is carried out on a plate, the two sides of the plate are not provided with limiting devices, so that the edges of the two sides of the plate are irregular after the plate is extruded by a roller, certain difficulty is brought to subsequent rolling, the edge of the plate needs to be structured by adding a process, and the production efficiency is low.
Disclosure of Invention
Not enough more than, the utility model aims to solve the technical problem that a tubule material production facility is provided for improve the rolling quality of tubule material panel, improve the efficiency of carrying out the rolling to panel after rolling.
In order to solve the technical problems, the utility model adopts the technical proposal that,
a small pipe production device comprises a rolling device, a heat treatment device and a cold rolling device, wherein the cold rolling device is connected with the heat treatment device, the heat treatment device is connected with the rolling device, the heat treatment device and the cold rolling device of the rolling device are arranged on the same straight line, the plate is prevented from being twisted in the transportation process, the quality of the plate is improved, the rolling device comprises a rolling mechanism for rolling the processed plate and a rolling cooling mechanism for cooling the heat-treated plate, the rolling cooling mechanism is connected with the heat treatment device, the rolling mechanism is connected with the rolling cooling mechanism, the rolling mechanism comprises a rolling rack, a rolling power mechanism and a rolling disc, the rolling power mechanism and the rolling disc are rotatably arranged on the rolling rack, and the rolling disc is connected with the rolling power mechanism, and a plate fixing structure for fixing the end part of the plate and a plate pressing structure for rolling the tail end of the plate are arranged on the rolling disc.
When adopting above technical scheme, the utility model discloses still further adopt or make up and adopted following technical scheme.
The rolling cooling mechanism comprises a first cold material roller and a second cold material roller, the first cold material roller and the second cold material roller rotate in the same direction, and a workpiece gap is formed between the first cold material roller and the second cold material roller.
The winding cooling mechanism further comprises a cooling rack and a cold material roller motor, the cold material roller motor is slidably mounted on the cooling rack, and the first cold material roller and the second cold material roller are both connected with the cold material roller motor.
The winding disc comprises a fixed disc surface and a winding drum, the winding drum is fixedly connected to the middle of the fixed disc surface, the plate fixing structure is rotatably connected to the winding drum, and the plate pressing structure is fixedly installed on the fixed disc surface.
The plate fixing structure comprises a connecting plate, a connecting plate fixing piece and a plate fixing piece, wherein the connecting plate is rotatably installed on the winding drum, the plate fixing piece is slidably installed on the connecting plate, and the connecting plate fixing piece is installed on the side portion of the connecting plate.
The plate fixing piece comprises a fixing bolt and a fixing block, the fixing bolt is slidably mounted on the connecting plate, and the fixing block is fixedly connected with the fixing bolt.
The cold rolling device comprises a cold rolling rack, a fixed wheel and an adjusting wheel, wherein the fixed wheel is rotatably arranged on the cold rolling rack, the adjusting wheel is slidably arranged on the cold rolling rack, and a width adjusting structure for adjusting the width of a cold-rolled and formed plate is fixedly arranged on the adjusting wheel.
The width adjusting structure comprises a reference adjusting piece and a sliding adjusting piece, the reference adjusting piece is fixedly sleeved on the outer side of the adjusting wheel, and the sliding adjusting piece is slidably sleeved on the outer side of the reference adjusting piece.
The benchmark regulating part comprises a fixed cylinder and a first regulating end face, the first regulating end face is connected to the end part of the fixed cylinder, and the fixed cylinder is fixedly sleeved on the outer side of the regulating wheel.
The heat treatment device comprises a heat treatment sleeve, a heating device is arranged in the heat treatment sleeve, and workpiece through holes are formed in two ends of the heat treatment sleeve.
The beneficial effects of the utility model are that, roll panel through cold rolling device, carry on spacingly to the both sides terminal surface of panel when rolling, improve the roughness of panel side to improve rolling efficiency, carry out annealing treatment through heat treatment device to panel after cold rolling, get rid of the internal stress of cold rolling treatment back panel, rethread coiling mechanism carries out the rolling to panel after rolling, improves the rolling efficiency of panel, reduces the waste rate of panel.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the winding mechanism.
Fig. 3 is a schematic structural view of the take-up reel.
Fig. 4 is a schematic view of the structure of the take-up drum.
FIG. 5 is a schematic view of the structure of a cold rolling apparatus.
Fig. 6 is a front view of the reference adjuster.
Fig. 7 is a schematic structural view of the take-up cooling mechanism.
Reference numerals: the device comprises a winding device A, a heat treatment device B, a cold rolling device C, a winding rack 1, a winding power mechanism 2, a winding disc 3, a plate fixing structure 4, a plate pressing structure 5, a fixing disc surface 6, a winding drum 7, a connecting plate 8, a connecting plate fixing part 9, a plate fixing part 10, a fixing bolt 11, a fixing block 12, a fixing part sliding groove 13, a first fixing protrusion 14, a second fixing protrusion 15, a fixing rod 16, a spring pressing sheet 17, a connecting shaft 18, a through groove 19, a winding motor 20 and a bearing seat 21; a first cold material roller 15a, a second cold material roller 16a, a workpiece gap 17a, a cooling rack 18a, a cold material roller motor 19 a; the processing sleeve 1 b; the device comprises a cold rolling rack 1c, a fixed wheel 2c, an adjusting wheel 3c, a width adjusting structure 4c, a reference adjusting piece 5c, a sliding adjusting piece 6c, a fixed cylinder 7c, a first adjusting end surface 8c, a threaded hole belt 9c, a sleeve 10c, a second adjusting end surface 11c, a sliding block 12c, a sliding block lifting piece 13c and a transmission wheel 14 c.
Detailed Description
The present information is further described below with reference to the accompanying drawings.
A small pipe production device comprises a rolling device A, a heat treatment device B and a cold rolling device C, wherein the cold rolling device C is connected with the heat treatment device B, the heat treatment device B is connected with the rolling device A, the heat treatment device B of the rolling device A and the cold rolling device C are arranged on the same straight line, the plates are prevented from being twisted in the transportation process, the quality of the plates is improved, the rolling device A comprises a rolling mechanism for rolling the processed plates and a rolling cooling mechanism for cooling the heat-treated plates, the rolling cooling mechanism is connected with the heat treatment device, the rolling mechanism is connected with the rolling cooling mechanism, the plates are rolled through the cold rolling device C, the end surfaces of the two sides of the plates are limited during rolling, the flatness of the side surfaces of the plates is improved, the rolling efficiency is improved, and the cold-rolled plates are annealed through the heat treatment device B, the internal stress of the cold-rolled plate is removed, and the rolled plate is rolled by the rolling device A, so that the rolling efficiency of the plate is improved, and the waste rate of the plate is reduced.
The winding mechanism comprises a winding rack 1, a winding power mechanism 2 and a winding disc 3, the winding power mechanism 2 and the winding disc 3 are rotatably mounted on the winding rack 1, the winding disc 3 is connected with the winding power mechanism 2, a plate end fixing structure 4 and a plate tail end winding floor pressing structure 5 are arranged on the winding disc 3, the end portion, provided with a plate, of the plate fixing structure 4 is used for fixing, and a traditional fixing mode of fixing the plate by bending the plate end is replaced, so that the utilization rate of the plate is improved, and the efficiency of fixing the plate can be effectively improved; through the setting of panel compact structure 5, be convenient for carry out the rolling to the end of panel to prevent that the terminal of panel from taking place warping phenomenon, the panel after the rolling of being convenient for removes.
The winding disc 3 comprises a fixed disc surface 6 and a winding drum 7, the plate is wound through the winding drum 7, the winding drum 7 is fixedly connected to the middle of the fixed disc surface 6, the plate fixing structure 4 is rotatably connected to the winding drum 7, and the plate pressing structure 5 is fixedly installed on the fixed disc surface 6.
The plate fixing structure 4 comprises a connecting plate 8, a connecting plate fixing part 9 and a plate fixing part 10, the connecting plate 8 is rotatably installed on the winding drum 7, the plate fixing part 10 is slidably installed on the connecting plate 8, the connecting plate fixing part 9 is installed on the side portion of the connecting plate 8, the end portion of the plate is fixed through the plate fixing part 10, the winding drum 7 convenient to wind the plate is fixed through the connecting plate fixing part 9, the connecting plate 8 is fixed through the connecting plate fixing part 9, and therefore the plate fixing part 10 convenient to fix the plate.
The plate fixing piece 10 comprises a fixing bolt 11 and a fixing block 12, the fixing bolt 11 is slidably mounted on the connecting plate 8, the fixing block 12 is fixedly connected with the fixing bolt 11, and the distance between the fixing blocks 12 is convenient to adjust by moving the fixing bolt 11, so that plates of different sizes are convenient to fix.
The connecting plate 8 is provided with a fixing piece sliding groove 13, the plate fixing piece 10 is slidably mounted in the fixing piece sliding groove 13, the two sides of the connecting plate 8 are provided with first fixing bulges 14, and the connecting plate fixing piece 9 is connected with the first fixing bulges 14.
The cross-section of the winding drum 7 is spiral, the front end face and the rear end face of the winding drum 7 are fixedly connected with second fixing protrusions 15, and the connecting plate fixing piece 9 is connected with the second fixing protrusions 15.
The plate pressing structure 5 comprises a fixing rod 16 and a spring pressing sheet 17, the fixing rod 16 is fixedly connected to the fixing disc surface 6, the spring pressing sheet 17 is fixedly connected to the fixing rod 16, and the tail end of a plate is wound through the spring pressing sheet 17 to prevent the tail end of the plate from warping; the other end of the spring pressing piece 17 is rotatably provided with the roller 18, and the roller 18 prevents dry grinding between the spring pressing piece 17 and a plate, so that the service life of the spring pressing piece 17 is prolonged.
The connecting shaft 18 is arranged on the fixed disk surface 6, the connecting shaft 18 is connected with the winding power mechanism 2, the fixed disk surface 6 is further fixedly provided with a through groove 19, preferably, the position of the through groove 19 corresponds to the position of the second fixing bulge 15 of the winding drum 7, and the connecting plate fixing part 9 is convenient to fixedly install on the second fixing bulge 15.
The winding power mechanism 2 comprises a winding motor 20 and a bearing seat 21, the winding motor 20 and the bearing seat 1 are fixedly installed on the rack 1, and the winding disc 3 is rotatably connected with the bearing seat 1.
The cold rolling device C comprises a cold rolling rack 1C, a fixed wheel 2C and an adjusting wheel 3C, wherein the fixed wheel 2C is rotatably installed on the cold rolling rack 1C, the adjusting wheel 3C is slidably installed on the cold rolling rack 1C, a width adjusting structure 4C for adjusting the width of the cold-rolled and formed plate is fixedly installed on the adjusting wheel 3C, and through the arrangement of the width adjusting structure 4C, the edges of two sides of the plate are limited during cold rolling, the flatness of the edges of two sides of the plate is improved, so that the subsequent process for regulating the two sides of the plate is reduced, and the production efficiency is improved.
The width adjusting structure 4c comprises a reference adjusting piece 5c and a sliding adjusting piece 6c, the reference adjusting piece 5c is fixedly sleeved on the outer side of the adjusting wheel 3c, the sliding adjusting piece 6c is slidably sleeved on the outer side of the reference adjusting piece 5c, and the width of the cold-rolled plate is adjusted by adjusting the gap between the reference adjusting piece 5c and the sliding adjusting piece 6 c.
The reference adjusting piece 5c comprises a fixed cylinder 7c and a first adjusting end surface 8c, the first adjusting end surface 8c is connected to the end of the fixed cylinder 7c, and the fixed cylinder 7c is fixedly sleeved on the outer side of the adjusting wheel 3 c.
The threaded hole belts 9c fixedly connected with the sliding adjusting pieces 6c are evenly distributed on the outer side of the fixed cylinder 7c, and the sliding adjusting pieces 6c can be connected with different threaded holes in the threaded hole belts 9c, so that the distance between the reference adjusting pieces 5c and the sliding adjusting pieces 6c is adjusted, and the width of the cold-rolled and formed plate is adjusted.
The threaded hole band 9c includes at least three threaded holes which are in the same line, and the distance between the reference adjusting piece 5c and the slide adjusting piece 6c is adjusted by connecting the slide adjusting piece 6c with different threaded holes.
The sliding adjusting piece 6c comprises a sleeve 10c and a second adjusting end face 11c, the second adjusting end face 11c is fixedly connected to the sleeve 10c, the sleeve 10c is sleeved on the outer side of the fixed cylinder 7c, a screw hole 11c is formed in the sleeve, the screw hole 11c and the threaded hole are fixedly connected through a screw, and therefore the sliding adjusting piece 6c and the reference adjusting piece 5c are prevented from moving relatively when working.
The first regulation end surface 8c is located on the same side as the second regulation end surface 11c, so that the screw for fixing is outside the cold-rolled forming surface, thereby improving the surface quality of the sheet.
The two ends of the adjusting wheel 3c are rotatably connected with sliders 12c, the sliders 12c are slidably mounted in the cold rolling rack 1c, slider lifting pieces 13c are further rotatably mounted on the cold rolling rack 1c, the slider lifting pieces 13c are connected with the sliders 12c, the relative positions of the sliders 12c are adjusted through the slider lifting pieces 13c, and therefore the gap between the fixed wheel 2c and the adjusting wheel 3c is adjusted, and preferably, the slider lifting pieces 13c are adjusting nuts.
A driving wheel 14c is also rotatably arranged on the cold rolling rack 1c, the driving wheel 14c is arranged at the front ends of the fixed wheel 2c and the adjusting wheel 2c, and the arrangement of the driving wheel 14c is convenient for guiding the plate.
The sealing strips are arranged on the inner side of the sleeve 10c, so that the sealing performance between the sleeve 10c and the fixed cylinder 7c is improved through the arrangement of the sealing strips, and the waste scraps generated by metal cold rolling are prevented from flowing into the threaded hole.
The rolling cooling mechanism comprises a first cold material roller 15a and a second cold material roller 16a, the first cold material roller 15a and the second cold material roller 16a rotate in the same direction, a workpiece gap 17a is arranged between the first cold material roller 15a and the second cold material roller 16a, the workpiece gap 17a is convenient for plates to pass through the first cold material roller and the second cold material roller, the plates processed by the heat treatment device B are convenient to cool through the arrangement of the first cold material roller 15a and the second cold material roller 16a, and small-amplitude twisting can be performed on the plates through the rollers, so that the mechanical property of the plates is further improved.
The winding cooling mechanism further comprises a cooling rack 18a and a cold material roller motor 19a, the cold material roller motor 19a is slidably mounted on the cooling rack 18a, the first cold material roller 15a and the second cold material roller 16a are both connected with the cold material roller motor 19a, and the distance between the first cold material roller 15a and the second cold material roller 16a is adjusted by adjusting the distance between the cold material roller motors 19a, so that the twisting degree of the plate is adjusted.
The heat treatment device B comprises a heat treatment sleeve 1B, a heating device is arranged in the heat treatment sleeve, preferably, the heating device is a common heating pipe, workpiece through holes are formed in two ends of the heat treatment sleeve 1B, so that workpieces can pass through the heat treatment sleeve conveniently, in some preferred modes, protective gas is introduced into the heat treatment sleeve 1B when the heat treatment sleeve 1B carries out annealing treatment on the plate, and preferably, the heating temperature of the heating device is 810-900 ℃.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the terms corresponding to the reference numerals in the figures are used more herein, the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. A small pipe production device is characterized by comprising a winding device (A), a heat treatment device (B) and a cold rolling device (C), wherein the cold rolling device (C) is connected with the heat treatment device (B), the heat treatment device (B) is connected with the winding device (A), the heat treatment device (B) and the cold rolling device (C) are arranged on the same straight line, the winding device (A) comprises a winding mechanism for winding a processed plate and a winding cooling mechanism for cooling the heat-treated plate, the winding cooling mechanism is connected with the heat treatment device, the winding mechanism is connected with the winding cooling mechanism, the winding mechanism comprises a winding rack (1), a winding power mechanism (2) and a winding disc (3), the winding power mechanism (2) and the winding disc (3) are rotatably arranged on the winding rack (1), and the winding disc is connected with the winding power mechanism (2), and a plate fixing structure (4) for fixing the end part of the plate and a plate pressing structure (5) for rolling the tail end of the plate are arranged on the rolling disc (3).
2. The small pipe production equipment according to claim 1, wherein the winding cooling mechanism comprises a first cold material roller (15a) and a second cold material roller (16a), the first cold material roller (15a) and the second cold material roller (16a) rotate in the same direction, and a workpiece gap (17a) is arranged between the first cold material roller (15a) and the second cold material roller (16 a).
3. The small pipe production equipment according to claim 2, wherein the winding and cooling mechanism further comprises a cooling rack (18a) and a cold roller motor (19a), the cold roller motor (19a) is slidably mounted on the cooling rack (18a), and the first cold roller (15a) and the second cold roller (16a) are both connected with the cold roller motor (19 a).
4. The small pipe material production equipment according to claim 1, wherein the winding disc (3) comprises a fixed disc surface (6) and a winding drum (7), the winding drum (7) is fixedly connected to the middle of the fixed disc surface (6), the plate fixing structure (4) is rotatably connected to the winding drum (7), and the plate pressing structure (5) is fixedly installed on the fixed disc surface (6).
5. A small pipe production apparatus as claimed in claim 4, wherein the plate fixing structure (4) comprises a connecting plate (8), a connecting plate fixing member (9) and a plate fixing member (10), the connecting plate (8) is rotatably mounted on the winding drum (7), the plate fixing member (10) is slidably mounted on the connecting plate (8), and the connecting plate fixing member (9) is mounted on the side portion of the connecting plate (8).
6. The small pipe production equipment as claimed in claim 5, wherein the plate fixing member (10) comprises a fixing bolt (11) and a fixing block (12), the fixing bolt (11) is slidably mounted on the connecting plate (8), and the fixing block (12) is fixedly connected with the fixing bolt (11).
7. The small pipe production equipment according to claim 1, wherein the cold rolling device (C) comprises a cold rolling rack (1C), a fixed wheel (2C) and an adjusting wheel (3C), the fixed wheel (2C) is rotatably installed on the cold rolling rack (1C), the adjusting wheel (3C) is slidably installed on the cold rolling rack (1C), and a width adjusting structure (4C) for adjusting the width of the cold-rolled and formed plate is fixedly installed on the adjusting wheel (3C).
8. The small pipe production equipment according to claim 7, wherein the width adjusting structure (4c) comprises a reference adjusting member (5c) and a sliding adjusting member (6c), the reference adjusting member (5c) is fixedly sleeved on the outer side of the adjusting wheel (3c), and the sliding adjusting member (6c) is slidably sleeved on the outer side of the reference adjusting member (5 c).
9. The small pipe production equipment according to claim 8, wherein the reference adjusting member comprises a fixed cylinder (7c) and a first adjusting end surface (8c), the first adjusting end surface (8c) is connected to the end of the fixed cylinder (7c), and the fixed cylinder (7c) is fixedly sleeved on the outer side of the adjusting wheel (3 c).
10. The small pipe production apparatus according to claim 1, wherein the heat treatment device (B) comprises a heat treatment sleeve (1B) in which a heating device is provided, and workpiece through-holes are provided at both ends of the heat treatment sleeve (1B).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921362528 | 2019-08-21 | ||
| CN2019213625288 | 2019-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212652395U true CN212652395U (en) | 2021-03-05 |
Family
ID=74760680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021297482.9U Active CN212652395U (en) | 2019-08-21 | 2020-07-06 | Small pipe production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212652395U (en) |
-
2020
- 2020-07-06 CN CN202021297482.9U patent/CN212652395U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109663821B (en) | Adjustable induction heating rolling device and method | |
| US2353289A (en) | Method and apparatus for rolling strip metal | |
| CN212652395U (en) | Small pipe production equipment | |
| CN209792304U (en) | stainless steel destressing device | |
| CN201399466Y (en) | Endless rolling cold continuous rolling device | |
| CN111804730A (en) | Small pipe production equipment | |
| CN104525629A (en) | Flattening method for hot rolling checkered plate of non-standard-thin specification | |
| CN204194477U (en) | A kind of coiled strip uncoiling straightening device | |
| CN215198962U (en) | Wide limit device of broadband sheet metal stainless steel rough rolling usefulness | |
| CN202162205U (en) | Rolling device for producing magnesium alloy thin plate roll with high toughness and excellent formability | |
| CA1070990A (en) | Method and apparatus for hot rolling a thin metal sheet | |
| JP3659208B2 (en) | Manufacturing method and manufacturing apparatus for Mg or Mg alloy strip | |
| CN104785569B (en) | The processing method of motor ventilation channel-section steel | |
| CN109536848B (en) | Hot-rolled narrow strip steel for fan blades and preparation method thereof | |
| CN215089770U (en) | A cold rolling mill for production of stainless steel material area | |
| CN210995818U (en) | Fixed direction frock of rolling of mould steel | |
| CN210435057U (en) | Special-shaped aluminum bar combined drawing machine | |
| CN211218015U (en) | Cold rolling mechanism for small pipes | |
| CN215236765U (en) | 310S heat-resistant steel hot continuous rolling plate coil production line | |
| CN214455406U (en) | Novel steel band cutting rolling device | |
| CN212121314U (en) | Forming device for low-carbon cold-rolled steel strip | |
| CN212469231U (en) | Cold rolling mill for patterned aluminum plate | |
| CN215918641U (en) | Improved rolling equipment | |
| CN213856318U (en) | Anti-blocking device for hot-rolled strip blank coiling | |
| CN210795157U (en) | Automatic label winding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |