CN110711818A - Punching and leveling machine - Google Patents
Punching and leveling machine Download PDFInfo
- Publication number
- CN110711818A CN110711818A CN201910884621.3A CN201910884621A CN110711818A CN 110711818 A CN110711818 A CN 110711818A CN 201910884621 A CN201910884621 A CN 201910884621A CN 110711818 A CN110711818 A CN 110711818A
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- Prior art keywords
- leveling
- machine body
- steel plate
- punching
- roller
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/06—Making more than one part out of the same blank; Scrapless working
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
- B21D43/09—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a punching leveler, which adopts the technical scheme that: a punching and leveling machine comprises a machine body, wherein the machine body is provided with a punching device, a leveling device and a positioning device, and the leveling device is positioned between the punching device and the positioning device; the punching device comprises a punching die and an oil hydraulic cylinder which are fixed on the machine body; the leveling device comprises a plurality of first leveling rollers, a leveling frame, a plurality of second leveling rollers rotatably connected to the leveling frame, a control assembly for controlling the leveling frame to move up and down, and a driving assembly for driving the steel plate to move; the positioning device is arranged on a guide rod of the machine body, the two positioning blocks are symmetrically arranged on two sides of the steel plate and are connected to the guide rod in a sliding mode, and the positioning bolts are connected to the positioning blocks in a threaded mode and are abutted to the guide rod. The invention can automatically finish flattening and punching the steel plate, and improve the cutting efficiency of the steel plate.
Description
Technical Field
The invention relates to the field of steel plate cutting processing, in particular to a punching and leveling machine.
Background
At present, current steel sheet all is coil-shaped setting before processing, can effectively reduce the steel sheet volume like this and conveniently transport the steel sheet, can effectively avoid the steel sheet crease to appear simultaneously. However, when the steel plate is cut, the whole steel plate is in a roll shape, and the cut small steel plate is in an arc shape, so that the cut steel plate needs to be leveled, and the cut small steel plate is ensured to be leveled; and because whole steel sheet is the coil-type, appear the steel sheet and cut the error easily after the steel sheet cuts levelly and smoothly.
Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.
Disclosure of Invention
The invention aims to provide a punching and leveling machine, which can automatically level and punch a steel plate and improve the cutting and processing efficiency of the steel plate.
The technical purpose of the invention is realized by the following technical scheme: a punching and leveling machine comprises a machine body, wherein the machine body is provided with a punching device for punching a steel plate, a leveling device for leveling the steel plate, and a positioning device for guiding the steel plate and ensuring the steel plate to be punched, and the leveling device is positioned between the punching device and the positioning device; the punching device comprises a punching die fixedly connected to the machine body and used for punching a steel plate, and an oil hydraulic cylinder fixedly connected to the machine body and used for driving the punching die to cut the steel plate, wherein the punching die comprises an upper die and a lower die, and an output shaft of the oil hydraulic cylinder is vertically arranged downwards and fixedly connected with the upper die; the leveling device comprises a plurality of first leveling rollers which are horizontally and rotatably connected to the machine body, a leveling frame which is connected to the machine body in a sliding mode along the vertical direction, a plurality of second leveling rollers which are rotatably connected to the leveling frame and correspond to the first leveling rollers one by one, a control assembly which is arranged on the leveling frame and controls the up-down movement position of the leveling frame, and a driving assembly which is arranged on the machine body and drives the steel plate to move, wherein the second leveling rollers and the first leveling rollers are mutually parallel and alternately arranged, and the direct distance between every two adjacent first leveling rollers is smaller than the diameter of the second leveling rollers; the positioning device is arranged on the machine body and is a guide rod which is horizontally arranged, two positioning blocks which are symmetrically arranged on two sides of the steel plate and are slidably connected to the guide rod, and two positioning bolts which are in threaded connection with the positioning blocks and are abutted to the guide rod, wherein the two positioning blocks are abutted to the side wall of the steel plate and limit the position of the steel plate.
The invention is further provided with: control assembly including be vertical setting and threaded connection in the control screw, the fixed connection of organism in the control hand wheel of control screw up end, control screw rotate connect in level and smooth frame.
The invention is further provided with: drive assembly including be the level set up and rotate connect in the main drive roller of organism, edge the vertical direction sliding connection of organism in the carriage of organism, rotate connect in the carriage and be located the main driven roller directly over the main drive roller, be vertical setting thread threaded connection in organism driving screw, fixed connection in the driving hand wheel, the fixed connection of driving screw up end in organism and drive main drive roller pivoted driving motor, driving motor with between the main drive roller and between main drive roller and the first flat roller equal synchronous belt drive, driving screw rotate connect in the carriage.
The invention is further provided with: the steel plate cutting machine is characterized in that the machine body is provided with a discharging device for discharging a cut steel plate out of the machine body, the discharging device comprises a driven roller, a discharging frame, a driven roller, a discharging screw rod, a spring and a transmission rod, the driven roller is horizontally and rotatably connected to the machine body, the driven roller is connected to the discharging frame in a sliding mode in the vertical direction and is located right above the driven roller, the discharging screw rod is in threaded connection with the machine body and drives the discharging frame to move downwards, the spring is arranged between the lower end face of the discharging screw rod and the upper end face of the discharging frame, the transmission rod is rotatably connected to the machine body, and the transmission rod is connected with the driven roller through a bevel.
The invention is further provided with: the organism is provided with the controlling means who is used for controlling the steel sheet to cut length, controlling means is located die-cut device and levels between the device, controlling means including rotate connect in organism and butt in the measuring wheel of steel sheet upper surface, fixed connection in the organism and with the meter sign indicating number ware of the hub connection of measuring wheel, set up in the organism and with the controller of meter sign indicating number ware signal connection, the controller with the control valve and the driving motor signal connection of electricity of hydraulic cylinder, the measuring wheel rotates the axial and is on a parallel with first flat roller.
The invention is further provided with: the steel plate feeding end of the machine body is provided with a plurality of guide rollers, and the guide rollers are parallel to the first leveling roller.
The invention is further provided with: the machine body is provided with a guide rail for the positioning block to slide, the guide rail is arranged on two sides of the guide rod in two groups, and the length direction of the guide rail is parallel to the first leveling roller.
In conclusion, the invention has the following beneficial effects:
1) after one end of a rolled steel plate enters a machine body, the steel plate firstly enters a space between a main driving roller and a main driven roller and is clamped by the main driving roller and the main driven roller, then the main driving roller is driven by a driving motor to rotate and drive the steel plate to move to a space between a plurality of first leveling rollers and a plurality of second leveling rollers, the plurality of second leveling rollers are driven by a hand wheel to move downwards, so that the second leveling rollers and the first leveling rollers clamp and shape the steel plate, and meanwhile, the first leveling rollers drive the steel plate to move, so that the shaped steel plate is moved out of a leveling device and enters a punching device for punching; when the steel plate is positioned between the upper die and the lower die, the upper die is driven to move downwards through the oil hydraulic cylinder, so that the steel plate is punched by a cutter on the upper die, and the effect of punching the steel plate is achieved;
2) two positioning blocks of the positioning device are abutted against two side walls of the steel plate to achieve effective positioning of the steel plate, the moving direction of the steel plate is determined, and meanwhile, the moving directions of the two positioning blocks are determined through the guide rail;
3) the first leveling roller drives the transmission rod to rotate through the bevel gear structure after rotating, the driven driving roller is driven to rotate through the transmission rod, when the cut steel plate enters between the driven driving roller and the driven roller, the discharging frame is pushed to move downwards through the spring, and therefore the cut steel plate is clamped and fixed between the driven driving roller and the driven roller and is driven to be discharged out of the machine body after the driven driving roller rotates;
4) when the steel plate moves, the measuring wheel rotates along with the steel plate, the length is measured through the code counter, the code counter signal is output to the controller, and after the steel plate moves for a specified length, the controller controls the output shaft of the hydraulic cylinder to extend, so that the steel plate is cut through the punching die to reach a specified cutting size, and meanwhile, the cut steel plate keeps flat.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a side view of the present invention;
fig. 4 is a system block diagram of the present invention.
The corresponding part names indicated by the numbers in the figures: 1. a body; 2. punching a die; 3. an upper die; 4. a lower die; 5. an oil hydraulic cylinder; 6. a leveling frame; 7. a first leveling roller; 8. a second smoothing roller; 9. controlling the screw; 10. a control hand wheel; 11. a main drive roller; 12. a driving frame; 13. a driving roller and a driven roller; 14. a drive screw; 15. driving a hand wheel; 16. a drive motor; 17. a guide bar; 18. positioning blocks; 19. a guide rail; 20. a driven roll; 21. a discharge rack; 22. a driven roller; 23. a discharge screw; 24. a spring; 25. a transmission rod; 26. a measuring wheel; 27. a code counter; 28. a controller; 29. and a guide roller.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.
As shown in fig. 1 to 4, the punching and leveling machine provided by the present invention includes a machine body 1, the machine body 1 is provided with a punching device for punching a steel plate, a leveling device for leveling the steel plate, and a positioning device for guiding the steel plate and ensuring the steel plate to be punched, and the leveling device is located between the punching device and the positioning device.
Die-cut device includes die-cut mould 2 fixed connection in organism 1 and be used for die-cut steel sheet, and die-cut mould 2 includes mould 3 and lower mould 4, and 1 fixedly connected with of organism drives die-cut mould 2 and cuts off the oil hydraulic cylinder 5 of steel sheet, and 5 output shafts of oil hydraulic cylinder are vertical setting downwards and with last mould 3 fixed connection. When the steel plate is positioned between the upper die 3 and the lower die 4, the upper die 3 is driven to move downwards through the oil hydraulic cylinder 5, so that the effect of punching the steel plate by a cutter on the upper die 3 is achieved.
The leveling device comprises a plurality of first leveling rollers 7 which are horizontally and rotatably connected to the machine body 1, the machine body 1 is provided with a leveling frame 6 in a sliding connection mode along the vertical direction, the lower end face of the leveling frame 6 is rotatably connected with a plurality of second leveling rollers 8 in one-to-one correspondence with the first leveling rollers 7, the second leveling rollers 8 are parallel to the first leveling rollers 7 and are arranged alternately, and the direct distance between every two adjacent first leveling rollers 7 is smaller than the diameter of the second leveling rollers 8. Organism 1 installs the control and levels the control assembly that frame 6 reciprocated position, and control assembly is including being vertical setting and threaded connection in organism 1's control screw 9, and control screw 9 rotates to be connected in leveling frame 6 to at control screw 9 up end fixedly connected with control hand wheel 10, control hand wheel 10 is located organism 1 top. The drive assembly that the drive steel sheet removed is installed to organism 1, drive assembly sets up and rotates including being the level and connects in the main drive roller 11 of organism 1, lateral wall flushes with first leveling roller 7 side wall on the main drive roller 11, organism 1 has the carriage 12 along vertical direction sliding connection, and carriage 12 rotates and is connected with the principal and subordinate movable roller 13 that is located directly over main drive roller 11, 1 threaded connection of organism has the drive screw 14 that is vertical setting, drive screw 14 rotates and connects in carriage 12, and 14 up end fixedly connected with drive hand wheels 15 of drive screw, 1 fixedly connected with drive main drive roller 11 pivoted driving motor 16 of organism, between driving motor 16 and the main drive roller 11 and between main drive roller 11 and the first leveling roller 7 all through synchronous belt drive. After one end of a rolled steel plate enters the machine body 1, the steel plate firstly enters between a main driving roller 11 and a main driven roller 13 and is clamped between the main driving roller 11 and the main driven roller 13, then the main driving roller 11 is driven to rotate through a driving motor 16 and drives the steel plate to move to a position between a plurality of first leveling rollers 7 and a plurality of second leveling rollers 8, the plurality of second leveling rollers 8 are driven to move downwards through a hand wheel, so that the second leveling rollers 8 and the first leveling rollers 7 are clamped and the steel plate is shaped, and meanwhile, the steel plate is driven to move through the first leveling rollers 7, so that the shaped steel plate is moved out of the leveling device and enters a punching device for punching.
The positioning device is arranged on the guide rod 17 which is horizontally arranged on the machine body 1, the guide rod 17 is in sliding connection with two positioning blocks 18 which are symmetrically arranged on two sides of the steel plate, the two positioning blocks 18 are abutted to the side wall of the steel plate and limit the position of the steel plate, the positioning blocks 18 are in threaded connection with positioning bolts (not marked in the drawing) which are abutted to the side wall of the guide rod 17, the machine body 1 is provided with two guide rails 19 for the positioning blocks 18 to slide, the two guide rods 17 are respectively arranged on two sides of the guide rod 17, and the length direction of the. Therefore, the two positioning blocks 18 of the positioning device are abutted against the two side walls of the steel plate to achieve effective positioning of the steel plate, the moving direction of the steel plate is determined, and meanwhile, the moving direction of the two positioning blocks 18 is determined through the guide rail 19.
The machine body 1 is provided with a discharging device for discharging the cut steel plate out of the machine body 1, the discharging device comprises a driven roller 20 horizontally and rotatably connected to the machine body 1, a discharging frame 21 is connected to the machine body 1 in a sliding mode along the vertical direction, the discharging frame 21 is rotatably connected with a driven roller 22 positioned right above the driven roller 20, the driven roller 20 and the driven roller 22 are positioned on one side, away from the leveling device, of the punching device, the machine body 1 is in threaded connection with a discharging screw 23 for driving the discharging frame 21 to move downwards, the discharging screw 23 is vertically arranged, and a spring 24 is arranged between the lower end face of the discharging screw 23 and the upper end face of the discharging frame 21; the machine body 1 is rotatably connected with a transmission rod 25, the transmission rod 25 is parallel to the moving direction of the steel plate, one end of the transmission rod 25 is connected with a driven driving roller 20 through a bevel gear, the driving motor 16 is connected with a connecting shaft (not marked in the figure) through belt wheel transmission, and the connecting shaft is connected with the other end of the transmission rod 25 through the bevel gear. After the first leveling roller 7 rotates, the transmission rod 25 is driven to rotate through the bevel gear structure, the driven driving roller 20 is driven to rotate through the transmission rod 25, when the cut steel plate enters between the driven driving roller 20 and the driven roller 22, the discharge frame 21 is pushed to move downwards through the spring 24, and therefore the cut steel plate is clamped and fixed between the driven driving roller 20 and the driven roller 22, and the cut steel plate is driven to be discharged out of the machine body 1 after the driving roller 20 rotates.
In order to facilitate the rolled steel plate to conveniently enter the machine body 1, a plurality of guide rollers 29 are arranged at the steel plate entering end of the machine body 1, the guide rollers 29 are parallel to the first leveling roller 7, and the guide rollers 29 have a guiding function, so that the steel plate can conveniently enter the positioning device.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A die-cut levelling machine, includes organism (1), its characterized in that: the machine body (1) is provided with a punching device for punching a steel plate, a leveling device for leveling the steel plate, and a positioning device for guiding the steel plate and ensuring the steel plate to be punched, wherein the leveling device is positioned between the punching device and the positioning device;
the punching device comprises a punching die (2) fixedly connected to the machine body (1) and used for punching a steel plate, and an oil hydraulic cylinder (5) fixedly connected to the machine body (1) and used for driving the punching die (2) to cut the steel plate, wherein the punching die (2) comprises an upper die (3) and a lower die (4), and an output shaft of the oil hydraulic cylinder (5) is vertically and downwards arranged and fixedly connected with the upper die (3);
the leveling device comprises a plurality of first leveling rollers (7) which are horizontally and rotatably connected to the machine body (1), a leveling frame (6) which is vertically and slidably connected to the machine body (1), a plurality of second leveling rollers (8) which are rotatably connected to the leveling frame (6) and correspond to the first leveling rollers (7) one by one, a control assembly which is arranged on the leveling frame (6) and controls the leveling frame (6) to move up and down, and a driving assembly which is arranged on the machine body (1) and drives a steel plate to move, wherein the second leveling rollers (8) and the first leveling rollers (7) are parallel to each other and are alternately arranged, and the direct distance between every two adjacent first leveling rollers (7) is smaller than the diameter of the second leveling rollers (8);
the positioning device is arranged on the machine body (1) and is a guide rod (17) which is horizontally arranged, two positioning blocks (18) which are symmetrically arranged on two sides of the steel plate and are slidably connected to the guide rod (17), and two positioning bolts which are in threaded connection with the positioning blocks (18) and abut against the guide rod (17), wherein the two positioning blocks (18) abut against the side wall of the steel plate and limit the position of the steel plate.
2. A die-cutting leveler as defined in claim 1 wherein: the control assembly comprises a control screw rod (9) which is vertically arranged and is in threaded connection with the machine body (1), and a control hand wheel (10) which is fixedly connected with the upper end face of the control screw rod (9), wherein the control screw rod (9) is rotatably connected with the leveling frame (6).
3. A die-cutting leveler as defined in claim 2 wherein: the driving assembly comprises a main driving roller (11) which is horizontally arranged and is rotationally connected with the machine body (1), a driving frame (12) which is vertically connected with the machine body (1) in a sliding way, a main driving roller (13) which is rotationally connected with the driving frame (12) and is positioned right above the main driving roller (11), a driving hand wheel (15) which is vertically arranged and is in threaded connection with a driving screw rod (14) of the machine body (1), fixedly connected with the upper end surface of the driving screw rod (14), and a driving motor (16) which is fixedly connected with the machine body (1) and drives the main driving roller (11) to rotate, driving motor (16) with equal synchronous belt drive between main drive roller (11) and first leveling roller (7), drive screw (14) rotate connect in drive frame (12).
4. A die-cutting leveler as defined in claim 3 wherein: the steel plate discharging machine is characterized in that the machine body (1) is provided with a discharging device for discharging a cut steel plate out of the machine body (1), the discharging device comprises a driven roller (20) horizontally and rotatably connected to the machine body (1), a discharging frame (21) connected to the machine body (1) in a sliding mode in the vertical direction, a driven roller (22) rotatably connected to the discharging frame (21) and located right above the driven roller (20), a discharging screw (23) in threaded connection with the machine body (1) and driving the discharging frame (21) to move downwards, a spring (24) arranged between the lower end face of the discharging screw (23) and the upper end face of the discharging frame (21), and a transmission rod (25) rotatably connected to the machine body (1), and the transmission rod (25) is connected with the driven roller (20) in a bevel gear mode.
5. A die-cutting leveler as defined in claim 3 wherein: organism (1) is provided with the controlling means who is used for controlling the steel sheet and cuts length, controlling means is located between punching device and the leveling device, controlling means including rotate connect in organism (1) and butt in measuring wheel (26) of steel sheet upper surface, fixed connection in organism (1) and with meter sign indicating number ware (27) of the hub connection of measuring wheel (26), set up in organism (1) and with meter sign indicating number ware (27) signal connection's controller (28), controller (28) with the control valve and driving motor (16) signal connection of electricity of oil hydraulic cylinder (5), measuring wheel (26) rotation axial is on a parallel with first leveling roller (7).
6. A die-cutting leveler as defined in claim 1 wherein: the steel plate feeding end of the machine body (1) is provided with a plurality of guide rollers (29), and the guide rollers (29) are parallel to the first leveling roller (7).
7. A die-cutting leveler as defined in claim 1 wherein: the machine body (1) is provided with a guide rail (19) for the positioning block (18) to slide, the guide rail (19) is arranged on two sides of the guide rod (17) in two components, and the length direction of the guide rail (19) is parallel to the first leveling roller (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910884621.3A CN110711818A (en) | 2019-09-19 | 2019-09-19 | Punching and leveling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910884621.3A CN110711818A (en) | 2019-09-19 | 2019-09-19 | Punching and leveling machine |
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| Publication Number | Publication Date |
|---|---|
| CN110711818A true CN110711818A (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910884621.3A Pending CN110711818A (en) | 2019-09-19 | 2019-09-19 | Punching and leveling machine |
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| CN (1) | CN110711818A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202000002584A1 (en) * | 2020-02-13 | 2021-08-13 | Ferrari & Carena S R L | Straightening machine for 800 t, 1400 t and 1600 t fine blanking presses |
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| 铁道部专业设计院: "《铁路货车段修机械化流水作业线》", 28 February 1982, 中国铁道出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202000002584A1 (en) * | 2020-02-13 | 2021-08-13 | Ferrari & Carena S R L | Straightening machine for 800 t, 1400 t and 1600 t fine blanking presses |
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