CN114918631B - Continuous forming system and forming method for section bar for energy-saving power distribution cabinet - Google Patents
Continuous forming system and forming method for section bar for energy-saving power distribution cabinet Download PDFInfo
- Publication number
- CN114918631B CN114918631B CN202210708187.5A CN202210708187A CN114918631B CN 114918631 B CN114918631 B CN 114918631B CN 202210708187 A CN202210708187 A CN 202210708187A CN 114918631 B CN114918631 B CN 114918631B
- Authority
- CN
- China
- Prior art keywords
- steel plate
- roller
- plate
- bracket
- unreeling
- 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
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000009826 distribution Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 163
- 239000010959 steel Substances 0.000 claims abstract description 163
- 230000007246 mechanism Effects 0.000 claims abstract description 103
- 238000005520 cutting process Methods 0.000 claims abstract description 50
- 230000000750 progressive effect Effects 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000005452 bending Methods 0.000 claims description 44
- 238000007493 shaping process Methods 0.000 claims description 22
- 238000004080 punching Methods 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 239000002699 waste material Substances 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 11
- 230000007306 turnover Effects 0.000 claims description 11
- 238000004064 recycling Methods 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 9
- 238000007373 indentation Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 20
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 3
- 239000010960 cold rolled steel Substances 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/16—Unwinding or uncoiling
- B21C47/18—Unwinding or uncoiling from reels or drums
-
- 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
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention provides a continuous forming system and a forming method of a section bar for an energy-saving power distribution cabinet, and relates to the technical field of transformer manufacturing. The problems of low production process and equipment efficiency, potential safety hazard, poor production process continuity, uncontrollable factors affecting quality and the like of the existing electrical equipment cabinet in the background technology are mainly solved; the system comprises a steel plate unreeling mechanism, a stress relieving mechanism, a cutting mechanism, a walking progressive flanging mechanism and an automatic cutting mechanism; the plurality of mechanisms are directly connected and communicated through the raw material steel plate and the speed control mechanism; according to the invention, the unreeling mechanism, the stress relieving mechanism, the cutting mechanism, the overturning mechanism, the flanging mechanism and the like are organically integrated, so that the steel plate can be processed into a profile finished product at one time, the manual participation degree is reduced, the production efficiency is improved, and the potential safety hazard is eliminated; in addition, the continuity of the production process is strong, the intermediate links are reduced, uncontrollable factors in the production process are reduced, and the product quality is stabilized.
Description
Technical Field
The invention relates to the technical field of transformer manufacturing, in particular to a continuous forming system and a forming method of a section bar for an energy-saving power distribution cabinet.
Background
The electric appliance cabinet has wide application, and is mainly used for chemical industry, electric power and metallurgical systems, nuclear power industry, fire safety monitoring, traffic industry and the like. In the prior art, the electric cabinet is formed by processing steel materials and used for protecting components from normal operation, the common method is hot-rolled steel plates and cold-rolled steel plates, and the cold-rolled steel plates are more suitable for manufacturing the electric cabinet relative to the hot-rolled steel plates. The existing electric appliance cabinet is manually operated in many steps in the production process, the manual operation is labor-consuming, the efficiency is low, and great potential safety hazards exist; in addition, the production process is discontinuous, the number of intermediate links is large, uncontrollable factors in the production process are increased, and the quality of the final product is affected.
Particularly, after the steel plate is perforated, the inlet end of the die is flat, but the rear end of the die inevitably has burrs, and certain danger exists; the method adopted in the prior art is to polish again, but the surface layer patterns are most likely to be damaged by polishing again because the steel plates are all raw materials which are subjected to surface treatment and have the appearance meeting the requirements.
Therefore, there is a need for a forming device and a corresponding processing method capable of realizing continuous production from beginning to end in the production of an electrical appliance cabinet, optimizing and improving the production environment, reducing the defective rate and improving the product quality and the production efficiency.
Disclosure of Invention
The invention provides a continuous forming system and a forming method of a section bar for an energy-saving power distribution cabinet, which are used for solving the problems that the existing electric appliance cabinet is low in production process and equipment efficiency, potential safety hazard exists, the continuity of the production process is poor, uncontrollable factors affecting quality exist, and the like in the background technology.
In order to achieve the above purpose, one of the purposes of the present invention is to provide a continuous molding system for a section bar for an energy-saving power distribution cabinet, which specifically adopts the following technical scheme: the utility model provides a continuous molding system of section bar for energy-saving type distribution rack which characterized in that: comprises a steel plate unreeling mechanism, a stress relieving mechanism, a cutting mechanism, a walking progressive flanging mechanism and an automatic cutting mechanism; the plurality of mechanisms are directly connected and communicated through the raw steel plate and the speed control mechanism.
The steel plate unreeling mechanism is arranged at the forefront end of the whole system and comprises an unreeling electric cabinet fixed on the ground, and unreeling power is provided for the reel steel plate through an output shaft of a motor; the unreeling support is connected with the unreeling motor cabinet.
The stress relieving mechanism is arranged at a steel plate outlet of the steel plate unreeling mechanism and comprises a supporting seat, a frame, an upper flattening roller, a lower flattening roller and a vertical guide roller, wherein the upper flattening roller, the lower flattening roller and the vertical guide roller are arranged at the front end of the frame; three sets of bending pairs of rollers are sequentially arranged on the rear side of the driving pair of rollers, the three sets of bending pairs of rollers are respectively arranged on the fixed blocks at the two ends of the driving pair of rollers, the fixed blocks are respectively clamped in the sliding grooves at the two sides of the frame, and the top of the frame is provided with adjusting bolts aiming at each set of bending pairs of rollers so as to adjust the upper and lower positions of the bending pairs of rollers in the sliding grooves.
The cutting mechanism is arranged at the outlet end of the stress relieving mechanism and comprises a steel plate supporting frame and a hydraulic punching device; the hydraulic punching device comprises a hydraulic cylinder bracket, an upper die mounting plate, an upper die, a lower die, a base and a waste recycling groove; guide posts are arranged between the upper die mounting plate and the base, the guide posts are respectively arranged at four corners, and each guide post is sleeved with a spring to assist the separation of the upper die and the lower die; a feed inlet of a steel plate is reserved between the lower die and the base, and meanwhile, a through hole matched with the protruding part of the upper die is integrally formed in the lower die; the base is hollow and is communicated with the waste recycling groove, and waste materials cut off by the upper die and the lower die in a matched mode are collected in the waste recycling groove.
And a plurality of groups of horizontal shaping rollers and vertical shaping rollers are further arranged behind the hydraulic cylinder support, and are used for respectively shaping the punched steel plate transversely and vertically.
The whole walking progressive flanging mechanism is in a cuboid tunnel shape, and a positioning press roller, a plurality of bending press rollers, a plurality of fourth folding press rollers and a tail end shaping press roller are sequentially arranged in the tunnel along the steel plate walking direction; the two end surfaces of the positioning press roller are provided with support round tables, the diameter of each round table is larger than that of the roller body, the distance between the round tables at the two ends is consistent with the width of the steel plate, and the steel plate walks between the round tables at the two ends; the two ends of the bending press roll are also provided with inclined planes on the basis of the round tables, the starting points of the inclined planes are fold lines of the first longitudinal folds of the steel plate, the two ends of the bending press roll extend from the starting points, and the radius of the roll body is gradually reduced to form the inclined planes; the slopes at the two ends of the bending press rollers gradually increase along the advancing direction of the steel plate until the slopes become vertical surfaces, and the edges of the steel plate are gradually bent inwards by matching with the support rollers arranged at the bottom; the folding press roll is similar to the bending press roll, and the difference is that the starting point of the inclined plane is a folding line of a second longitudinal folding edge of the steel plate, and the steel plate is finally formed into a rectangular section with an upper side and an opening in the middle part through the processing of the folding press roll; the tail end shaping press roller adopts a three-step structure, wherein the convex round platforms at the two ends are used as baffles to clamp the two side surfaces of the rectangular section, the width of the roller body close to the convex round platforms at the two ends is the same as the width of the first folded edge of the rectangular section, and the first folded edge is pressed and shaped; the diameter of the middle convex round table is the largest, and the convex round table passes through the middle opening part of the upper edge to directly press the bottom surface of the rectangular section bar.
The automatic cutting mechanism adopts a structure similar to that of the cutting mechanism, and is different in that a cutting opening is formed between the lower die and the upper die, and a feed inlet reserved between the lower die and the upper die is matched with a rectangular section formed after being folded; in addition, a pneumatic locking portal frame of a rectangular section bar is arranged before entering the fracture.
Preferably, the unreeling bracket consists of an unreeling shaft, a movable locking frame, a detachable front supporting end plate connected to the movable locking frame and a rear supporting end plate which is round in shape and fixed on the side wall of the unreeling machine cabinet; the unreeling shaft adopts an inner layer and an outer layer of connecting structures, the inner layer is a hollow shaft, a round hole in the axis is provided with spiral lines, the outer layer is a sleeve, and the sleeve is sleeved on the surface of the hollow shaft and can move along the axial direction of the sleeve; the outer circumferential surface of the sleeve takes the axis of the sleeve as the center of a circle, at least four movable locking frames are connected in an annular array, the movable locking frames are connected with the convex blocks on the outer circumference of the sleeve through connecting pins and can rotate along the connecting pins, and the expansion range of the movable locking frames is gradually increased from front to back; the outer end face of the sleeve is provided with a through hole, and a spiral locking shaft with a round table and spiral lines on the outer circumference is arranged, and penetrates through the through hole to be matched with the spiral lines of the round hole of the axle center on the hollow shaft.
Preferably, a combined turnover mechanism is arranged between the cutting mechanism and the walking progressive flanging mechanism and is close to the cutting mechanism, so that the steel plate subjected to cutting and punching can be turned clockwise by 180 degrees after entering; the device comprises a front inclined bracket, a middle vertical bracket, a rear inclined bracket and a turnover stable bracket, wherein the distance between each bracket is more than 5 times of the width of a steel plate; the shaped steel plate sequentially passes through the four brackets after cutting, the steel plate turns 45 degrees clockwise after passing through one bracket, and the steel plate turns 180 degrees clockwise after passing through the four brackets.
Preferably, two feet of the front inclined bracket are fixed on the ground, a guide plate is fixed at the upper part between the two feet, a strip-shaped hole which is 45 degrees away from the horizontal surface is formed in the middle part of the guide plate, one side of the feeding end of the guide plate is connected with a reinforcing plate through a bolt, the same strip-shaped hole is formed in the position, which is overlapped with the strip-shaped hole, of the reinforcing plate, and in addition, a guide roller group which is parallel to the strip-shaped hole is movably connected with the lower mounting plate which is vertically connected with the reinforcing plate along the two sides of the strip-shaped hole; the two upper mounting plates which are vertically connected with the reinforcing plate are arranged on the outer side of the guide roller set, the limit roller set which is vertically connected with the guide roller set is movably connected, two side edges of the steel plate are limited, and shaking is prevented in the moving process of the steel plate.
Preferably, the structure of the middle vertical support is identical with that of the front inclined support, and the difference is that the strip-shaped holes of the middle vertical support arranged on the guide plate are 90 degrees with the horizontal plane, and the angles of the reinforcing plate, the lower mounting plate, the guide roller set, the upper mounting plate and the limit roller set which are correspondingly arranged on the middle vertical support rotate 45 degrees clockwise relative to the whole front inclined support, and the components are arranged on one side of the discharge end of the guide plate.
Preferably, the structure of the rear tilting bracket is identical to that of the front tilting bracket, except that all the components provided on the guide plate are symmetrically disposed along the vertical center line of the guide plate with respect to the front tilting bracket.
Preferably, the overturning stabilizing bracket is characterized in that two groups of stabilizing roller sets are respectively arranged at the top ends of four feet, so that a steel plate overturned by 180 degrees is kept stable and enters a walking progressive flanging mechanism.
The continuous forming method of the section bar for the energy-saving power distribution cabinet adopting the system is characterized by comprising the following steps of:
(1) the reel steel plate is unreeled, the reel steel plate is sleeved on the unreeling shaft, and the end part of the movable locking frame supports the reel core of the reel steel plate; then the spiral locking shaft is rotated to move backwards along the axle center round hole, the round table at the outer end of the spiral locking shaft props against the sleeve to drive the sleeve to support the end plates backwards to be gradually closed, at the same time, at least four movable locking frames connected to the outer circumference of the sleeve rotate around the connecting pins vertically from an inclined direction, the end parts of the spiral locking shafts, which prop against the inner side of the winding core of the winding drum steel plate, are gradually tightened, and the movable locking frames lock and fix the winding drum steel plate in the process that the sleeve moves inwards from outside.
(2) The stress of the steel plate is eliminated, the stress eliminating mechanism is used for eliminating the stress after the unreeled steel plate is snapped, the steel plate enters an upper flattening roller or a lower flattening roller according to the height of the position after being sent out by the unreeled mechanism, the steel plate is prevented from swinging left and right under the limiting action of a vertical guide roller, then enters a driving pair roller, the driving pair roller is provided with power, the fastened steel plate is sent back to a bending pair roller, the three groups of bending pair rollers are different in height, the internal stress of the steel plate is eliminated by repeatedly bending the steel plate up and down, the steel plate which is straight and does not rebound is formed, and then the steel plate enters a cutting mechanism.
(3) The steel plate is cut and punched, the steel plate which becomes flat after stress elimination is pushed to the rear, the steel plate enters a cutting mechanism for punching, the steel plate enters from a feed inlet of a reserved steel plate between a lower die and a base in a stepping mode, the steel plate is matched with the lower die for punching, generated waste falls into a waste recycling groove below the base, the punched steel plate is integrally sent out of a combining part of the upper die and the lower die, and transverse and vertical shaping is performed through a horizontal shaping roller and a vertical shaping roller behind a hydraulic cylinder support.
(4) The steel plate is bent and folded, the turned steel plate enters a walking progressive flanging mechanism and sequentially passes through positioning, primary indentation, primary bending, secondary indentation, secondary bending, folding and extrusion shaping of the tail end; wherein, the primary bending is the forming of a first folding edge of the bent steel plate by gradually extruding a plurality of bending press rollers which are sequentially arranged according to the travelling direction of the steel plate; the secondary bending process is basically consistent with the primary bending process, and the edge part of the steel plate is molded by a compression roller with a molding structure in the advancing process of the steel plate; after the two times of processing, the steel plate is a rectangular section with an upper side and an opening in the middle part; the rectangular section reaches a shaping press roller with a three-step structure at the tail end, two side surfaces of the rectangular section are clamped by the convex round tables at the two ends of the shaping press roller, and the turned first folded edge is pressed and shaped by the roller bodies close to the convex round tables at the two ends; the convex round table in the middle of the roller body passes through the middle opening part of the upper edge of the rectangular section bar to directly extrude the bottom surface of the rectangular section bar.
(5) Cutting the rectangular section bar, enabling the rectangular section bar to pass through the pneumatic locking portal frame and then enter a cutting opening of the automatic cutting mechanism, pressing by a top cylinder according to the required length, and cutting off the rectangular section bar by a port.
Preferably, the steel plate is turned over after the steel plate in the step (3) is cut and perforated, and the specific steps are as follows: after entering the steel plate after cutting and punching, realizing clockwise 180 DEG turnover; specifically comprises clockwise turning 45 degrees through a front inclined bracket, continuously clockwise turning 45 degrees when passing through a middle vertical bracket, keeping a vertical state, then the window enters a rear inclined bracket to continuously overturn 45 degrees clockwise, and achieves overturning of 180 degrees clockwise after the window overturns a stable bracket, and then enters a walking progressive flanging mechanism to carry out flanging and turnover.
The invention has the following beneficial effects:
1. according to the continuous forming system, the unreeling mechanism, the stress relieving mechanism, the cutting mechanism, the overturning mechanism, the flanging mechanism and the like are organically integrated, so that a steel plate can be processed into a finished product of a section for later use at one time, the labor participation degree is reduced, the production efficiency is improved, and the potential safety hazard is eliminated; in addition, the continuity of the production process is strong, the intermediate links are reduced, uncontrollable factors in the production process are reduced, and the product quality is stabilized.
2. The invention designs a special unreeling device aiming at a reel steel plate, in particular to an unreeling shaft, and improves the traditional air expansion shaft into a spiral locking unreeling shaft which can adapt to a larger diameter, so that the problem that the traditional air expansion shaft cannot adapt to the reel steel plate with a large reel is avoided, and the damage of the large weight of the reel steel plate with a small reel to a transmission system of an unreeling mechanism is also eliminated.
3. Aiming at the problems that burrs exist on the back surface of a steel plate after punching and cutting, the danger is caused, and the appearance of a material is damaged by secondary processing in the existing equipment and the existing working procedure, the invention is specially provided with the turnover mechanism of the steel plate after punching and cutting, one side with the burrs is turned from the outer surface to the inner surface, after the steel plate is turned by subsequent bending and turning, the smooth side is the outer surface, the side with the burrs is the inner surface which is not contacted by personnel, the danger is eliminated, and the polishing are not needed, so that the coating and the pattern on the surface of the raw material are not damaged.
Drawings
Fig. 1 is a schematic view of the molding system of embodiment 1.
Fig. 2 is a schematic structural view of the steel plate unreeling mechanism.
Fig. 3 is a schematic view of the structure of the molding system described in embodiment 2.
Fig. 4 is a schematic structural view of the front tilting bracket.
In the figure, a steel plate unreeling mechanism 1, a stress relieving mechanism 2, a cutting mechanism 3, a walking progressive flanging mechanism 4, an automatic cutting mechanism 5, a combined overturning mechanism 6, a unreeling shaft 101, a movable locking frame 102, a front supporting end plate 103, a rear supporting end plate 104, a spiral locking shaft 105, a front inclined bracket 601, a middle vertical bracket 602, a rear inclined bracket 603, an overturning stabilizing bracket 604, a guide plate 605, a guide roller group 606 and a limiting roller group 607.
Detailed Description
Example 1
As shown in fig. 1 and 2, in the continuous forming system of the profile for the energy-saving power distribution cabinet, a coiled steel plate is used as a raw material, and a series of continuous processing mechanisms are used to finally manufacture the profile for the electric appliance cabinet, wherein the continuous forming system comprises a steel plate unreeling mechanism 1, a stress relieving mechanism 2, a cutting mechanism 3, a walking progressive flanging mechanism 4 and an automatic cutting mechanism 5; the plurality of mechanisms are directly connected and communicated through the raw steel plate and the speed control mechanism.
The steel plate unreeling mechanism 1 is arranged at the forefront end of the whole system and comprises an unreeling electric cabinet fixed on the ground, and unreeling power is provided for the reel steel plate through an output shaft of a motor; the unreeling support is connected with the unreeling motor cabinet; the coiled steel plate is discharged from the unreeling mechanism 1, is continuously operated by three groups of bending pair rollers in the stress relief mechanism 2 to form a straight steel plate, the stress relief mechanism 2 bites the unreeled steel plate and then carries out stress relief treatment, the steel plate enters an upper flattening roller or a lower flattening roller according to the height of the position after being discharged by the unreeled mechanism 1, is prevented from swinging left and right under the limit action of a vertical guide roller, then enters a driving pair roller, the driving pair roller has power, the clamped steel plate is backwards sent to the bending pair roller, the three groups of bending pair rollers are different in height, the internal stress of the steel plate is relieved by repeatedly bending the steel plate up and down, the straight steel plate which does not rebound is formed, and then enters the cutting mechanism 3; the steel plate which becomes flat after stress elimination is pushed to the rear, enters a cutting mechanism 3 for punching, the steel plate enters from a feed inlet of a reserved steel plate between a lower die and a base in a stepping mode, the steel plate is matched with the lower die for punching, generated waste falls into a waste recycling groove below the base, the whole punched steel plate is sent out of a joint part of the upper die and the lower die, and horizontal and vertical reshaping is carried out through a horizontal reshaping roller and a vertical reshaping roller behind a hydraulic cylinder bracket; the shaped steel plate enters a walking progressive flanging mechanism 4 and sequentially passes through positioning, indentation, bending, turnover and extrusion shaping of the tail end; wherein, bending is the forming of a first hem of a bent steel plate by gradually extruding six bending press rollers which are sequentially arranged according to the travelling direction of the steel plate; the process of turning over is basically consistent with the bending, and the edge part of the steel plate is molded by a compression roller with a molding structure in the process of advancing the steel plate; after the two times of processing, the steel plate is a rectangular section with an upper side and an opening in the middle part; the rectangular section reaches a shaping press roller with a three-step structure at the tail end, two side surfaces of the rectangular section are clamped by the convex round tables at the two ends of the shaping press roller, and the turned first folded edge is pressed and shaped by the roller bodies close to the convex round tables at the two ends; the convex round table in the middle of the roller body passes through the middle opening part of the upper edge of the rectangular section bar to directly extrude the bottom surface of the rectangular section bar; the rectangular section bar passes through the pneumatic locking portal frame and then enters the cut-off port of the automatic cutting mechanism 5, the top cylinder presses according to the required length, and the port cuts off the rectangular section bar.
Example 2
As shown in fig. 2, 3 and 4, the continuous molding system of the profile for the energy-saving power distribution cabinet according to the present embodiment has the same basic structure as that described in embodiment 1, and is different in that: the unreeling bracket comprises an unreeling shaft 101, a movable locking frame 102, a detachable front supporting end plate 103 connected to the movable locking frame 102 and a rear supporting end plate 104 which is round in shape and fixed on the side wall of the unreeling machine cabinet; the unreeling shaft 101 adopts an inner layer and an outer layer of connecting structure, wherein the inner layer is a hollow shaft, a round hole in the axis is provided with spiral lines, the outer layer is a sleeve, and the sleeve is sleeved on the surface of the hollow shaft and can move along the axial direction of the hollow shaft; the outer circumferential surface of the sleeve takes the axis of the sleeve as the center of a circle, at least four movable locking frames 102 are connected in an annular array, the movable locking frames 102 are connected with the convex blocks on the outer circumference of the sleeve through connecting pins and can rotate along the connecting pins, and the expansion range of the movable locking frames is gradually increased from front to back; the outer end face of the sleeve is provided with a through hole, and is provided with a spiral locking shaft 105 with a round table and spiral threads on the outer circumference, and the spiral locking shaft 105 penetrates through the through hole and is matched with the spiral threads of the round hole of the axle center on the hollow shaft.
In addition, a combined turnover mechanism 6 is arranged between the cutting mechanism 3 and the walking progressive flanging mechanism 4 and is closely adjacent to the cutting mechanism 3, so that the steel plate after being cut and punched can be turned clockwise by 180 degrees; the device comprises a front inclined bracket 601, a middle vertical bracket 602, a rear inclined bracket 603 and a turnover stabilizing bracket 604, wherein the distance between each bracket is more than 5 times of the width of a steel plate; the shaped steel plate sequentially passes through the four brackets after cutting, the steel plate turns 45 degrees clockwise after passing through one bracket, and the steel plate turns 180 degrees clockwise after passing through the four brackets; wherein, two feet of the front inclined bracket 601 are fixed on the ground, a guide plate 605 is fixed at the upper part between the two feet, a strip-shaped hole which forms 45 degrees with the horizontal plane is arranged at the middle part of the guide plate 605, a reinforcing plate is connected at one side of the feeding end of the guide plate 605 through a bolt, the same strip-shaped hole is arranged at the position where the reinforcing plate coincides with the strip-shaped hole, in addition, a guide roller group 606 which is parallel to the strip-shaped hole is movably connected along the two sides of the strip-shaped hole through a lower mounting plate which is vertically connected with the reinforcing plate; the two upper mounting plates which are vertically connected with the reinforcing plate are also arranged at the outer side of the guide roller set 606, and the limit roller set 607 which is vertical to the guide roller set 606 is movably connected with the two side edges of the steel plate, so that the shaking is prevented in the moving process; the structure of the middle vertical support 602 is identical to that of the front inclined support 601, except that the bar-shaped holes of the middle vertical support 602 arranged on the guide plate 605 are 90 degrees from the horizontal plane, and the angles of the reinforcing plate, the lower mounting plate, the guide roller set 606, the upper mounting plate and the limit roller set 607 mounted thereon correspondingly rotate 45 degrees clockwise relative to the whole front inclined support 601, and the components are mounted on the discharge end side of the guide plate 605; the structure of the rear tilting bracket 603 is identical to that of the front tilting bracket 601, except that all the components provided on the guide plate 605 are symmetrically provided along the vertical center line of the guide plate 605 with respect to the front tilting bracket 601; the overturning stabilizing bracket 604 is provided with two groups of stabilizing roller groups at the top ends of four feet respectively, so that a steel plate overturned by 180 degrees is kept stable and enters the walking progressive flanging mechanism 4.
The system of this example was operated in substantially the same manner as in example 1, with the following differences:
difference one: when unreeling, the reel steel plate is sleeved on the unreeling shaft 101, and the end part of the movable locking frame 102 supports the reel core of the reel steel plate; then the spiral locking shaft 105 is rotated to move backwards along the axle center round hole, the round table at the outer end of the spiral locking shaft abuts against the sleeve to drive the sleeve to support the end plate 104 backwards to be gradually closed, meanwhile, at least four movable locking frames 102 connected to the outer circumference of the sleeve rotate around the connecting pins from an inclined direction to a vertical direction, the end parts of the spiral locking shafts abutting against the inner side of the winding core of the winding drum steel plate are gradually tightened, and the movable locking frames 102 lock and fix the winding drum steel plate in the process that the sleeve moves inwards from outside.
And the difference is as follows: the steel plate is turned over after being cut and punched, and the steel plate after being cut and punched enters the steel plate to realize clockwise 180 DEG turning; the window overturning device specifically comprises a front inclined bracket 601 which is turned 45 degrees clockwise, a middle vertical bracket 602 which is turned 45 degrees clockwise continuously, and a vertical state is maintained, then the front inclined bracket 603 which is turned 45 degrees clockwise continuously is entered, and a window overturning stabilizing bracket 604 which is turned 180 degrees clockwise is realized, and then the front inclined bracket enters a walking progressive flanging mechanism 4 for flanging and overturning.
Claims (5)
1. The utility model provides a continuous molding system of section bar for energy-saving type distribution rack which characterized in that: comprises a steel plate unreeling mechanism, a stress relieving mechanism, a cutting mechanism, a walking progressive flanging mechanism and an automatic cutting mechanism; the plurality of mechanisms are directly connected and communicated through the raw material steel plate and the speed control mechanism;
the steel plate unreeling mechanism is arranged at the forefront end of the whole system and comprises an unreeling electric cabinet fixed on the ground, and unreeling power is provided for the reel steel plate through an output shaft of a motor; the unreeling support is connected with the unreeling motor cabinet;
the stress relieving mechanism is arranged at a steel plate outlet of the steel plate unreeling mechanism and comprises a supporting seat, a frame, an upper flattening roller, a lower flattening roller and a vertical guide roller, wherein the upper flattening roller, the lower flattening roller and the vertical guide roller are arranged at the front end of the frame; three groups of bending pairs of rollers are sequentially arranged on the rear side of the driving pair of rollers and are respectively arranged on the fixed blocks at the two ends, the fixed blocks are respectively clamped in the sliding grooves at the two sides of the frame, and the top of the frame is provided with an adjusting bolt for each group of bending pairs of rollers so as to adjust the upper and lower positions of the bending pairs of rollers in the sliding grooves;
the cutting mechanism is arranged at the outlet end of the stress relieving mechanism and comprises a steel plate supporting frame and a hydraulic punching device; the hydraulic punching device comprises a hydraulic cylinder bracket, an upper die mounting plate, an upper die, a lower die, a base and a waste recycling groove; guide posts are arranged between the upper die mounting plate and the base, the guide posts are respectively arranged at four corners, and each guide post is sleeved with a spring to assist the separation of the upper die and the lower die; a feed inlet of a steel plate is reserved between the lower die and the base, and meanwhile, a through hole matched with the protruding part of the upper die is integrally formed in the lower die; the base is hollow and is communicated with the waste recycling groove, and waste materials cut by the upper die and the lower die in a matched manner are collected in the waste recycling groove;
the whole walking progressive flanging mechanism is in a cuboid tunnel shape, and a positioning press roller, a plurality of bending press rollers, a plurality of fourth folding press rollers and a tail end shaping press roller are sequentially arranged in the tunnel along the steel plate walking direction; the two end surfaces of the positioning press roller are provided with support round tables, the diameter of each round table is larger than that of the roller body, the distance between the round tables at the two ends is consistent with the width of the steel plate, and the steel plate walks between the round tables at the two ends; the two ends of the bending press roll are also provided with inclined planes on the basis of the round tables, the starting points of the inclined planes are fold lines of the first longitudinal folds of the steel plate, the two ends of the bending press roll extend from the starting points, and the radius of the roll body is gradually reduced to form the inclined planes; the slopes at the two ends of the bending press rollers gradually increase along the advancing direction of the steel plate until the slopes become vertical surfaces, and the edges of the steel plate are gradually bent inwards by matching with the support rollers arranged at the bottom; the folding press roll is similar to the bending press roll, and the difference is that the starting point of the inclined plane is a folding line of a second longitudinal folding edge of the steel plate, and the steel plate is finally formed into a rectangular section with an upper side and an opening in the middle part through the processing of the folding press roll; the tail end shaping press roller adopts a three-step structure, wherein the convex round platforms at the two ends are used as baffles to clamp the two side surfaces of the rectangular section, the width of the roller body close to the convex round platforms at the two ends is the same as the width of the first folded edge of the rectangular section, and the first folded edge is pressed and shaped; the diameter of the middle convex round table is the largest, and the convex round table passes through the middle opening part of the upper edge to directly press the bottom surface of the rectangular section bar;
a combined turnover mechanism is arranged between the cutting mechanism and the walking progressive flanging mechanism and is close to the cutting mechanism, so that the cut and punched steel plate can be turned clockwise by 180 degrees after entering; the device comprises a front inclined bracket, a middle vertical bracket, a rear inclined bracket and a turnover stable bracket, wherein the distance between each bracket is more than 5 times of the width of a steel plate; the shaped steel plate sequentially passes through the four brackets after cutting, the steel plate turns 45 degrees clockwise after passing through one bracket, and the steel plate turns 180 degrees clockwise after passing through the four brackets;
two feet of the front inclined bracket are fixed on the ground, a guide plate is fixed at the upper part between the two feet, a strip-shaped hole which is 45 degrees with the horizontal plane is formed in the middle part of the guide plate, one side of the feeding end of the guide plate is connected with a reinforcing plate through a bolt, the same strip-shaped hole is formed in the position, which is overlapped with the strip-shaped hole, of the reinforcing plate, and in addition, a guide roller group which is parallel to the strip-shaped hole is movably connected with the lower mounting plate which is vertically connected with the reinforcing plate along the two sides of the strip-shaped hole; the two upper mounting plates which are vertically connected with the reinforcing plate are movably connected with the limit roller group which is vertical to the guide roller group at the outer side of the guide roller group, so that the two sides of the steel plate are limited;
the structure of the middle vertical support is identical with that of the front inclined support, the difference is that the strip-shaped holes of the middle vertical support arranged on the guide plate are 90 degrees with the horizontal plane, and the angles of the reinforcing plate, the lower mounting plate, the guide roller group, the upper mounting plate and the limit roller group which are arranged on the middle vertical support are correspondingly rotated 45 degrees clockwise relative to the whole front inclined support, and the components are arranged on one side of the discharge end of the guide plate;
the structure of the rear inclined bracket is identical with that of the front inclined bracket, and the difference is that all the components arranged on the guide plate are symmetrically arranged along the vertical central line of the guide plate relative to the front inclined bracket;
the overturning stabilizing bracket is characterized in that two groups of stabilizing roller sets are respectively arranged at the top ends of four feet, so that a steel plate overturned by 180 degrees is kept stable and enters a walking progressive flanging mechanism;
the automatic cutting mechanism adopts a structure similar to that of the cutting mechanism, and is different in that a cutting opening is formed between the lower die and the upper die, and a feed inlet reserved between the lower die and the upper die is matched with a rectangular section formed after being folded; in addition, a pneumatic locking portal frame of a rectangular section bar is arranged before entering the fracture.
2. The continuous forming system of profiles for energy-saving power distribution cabinets of claim 1, wherein: and a plurality of groups of horizontal shaping rollers and vertical shaping rollers are further arranged behind the hydraulic cylinder support, and are used for respectively shaping the punched steel plate transversely and vertically.
3. The continuous forming system of profiles for energy-saving power distribution cabinets of claim 1, wherein: the unreeling support consists of an unreeling shaft, a movable locking frame, a detachable front support end plate and a rear support end plate, wherein the front support end plate is connected to the movable locking frame, the front support end plate is round in whole and is fixed on the side wall of the unreeling machine cabinet; the unreeling shaft adopts an inner layer and an outer layer of connecting structures, the inner layer is a hollow shaft, a round hole in the axis is provided with spiral lines, the outer layer is a sleeve, and the sleeve is sleeved on the surface of the hollow shaft and can move along the axial direction of the sleeve; the outer circumferential surface of the sleeve takes the axis of the sleeve as the center of a circle, at least four movable locking frames are connected in an annular array, the movable locking frames are connected with the convex blocks on the outer circumference of the sleeve through connecting pins and can rotate along the connecting pins, and the expansion range of the movable locking frames is gradually increased from front to back; the outer end face of the sleeve is provided with a through hole, and a spiral locking shaft with a round table and spiral lines on the outer circumference is arranged, and penetrates through the through hole to be matched with the spiral lines of the round hole of the axle center on the hollow shaft.
4. A continuous molding method of a continuous molding system of a profile for an energy-saving power distribution cabinet according to any one of claims 1 to 3, comprising the steps of:
(1) the reel steel plate is unreeled, the reel steel plate is sleeved on the unreeling shaft, and the end part of the movable locking frame supports the reel core of the reel steel plate; then the spiral locking shaft is rotated to move backwards along the axle center round hole, the round table at the outer end of the spiral locking shaft props against the sleeve to drive the sleeve to support the end plates backwards to be gradually closed, at the same time, at least four movable locking frames connected to the outer circumference of the sleeve rotate around the connecting pins from an inclined direction to a vertical direction, the end parts of the spiral locking shafts propping against the inner side of the winding core of the winding drum steel plate are gradually tightened, and the movable locking frames lock and fix the winding drum steel plate in the process that the sleeve moves inwards from outside;
(2) the stress of the steel plate is eliminated, the stress eliminating mechanism is used for carrying out stress eliminating treatment after the unreeled steel plate is snapped, the steel plate enters an upper flattening roller or a lower flattening roller according to the height of the position after being sent out by the unreeled mechanism, the steel plate is prevented from swinging left and right under the limit action of a vertical guide roller, then enters a driving pair roller, the driving pair roller has power, the tightened steel plate is sent back to a bending pair roller, the three groups of bending pair rollers are different in height, the internal stress of the steel plate is eliminated by repeatedly bending the steel plate up and down, the steel plate which is straight and does not rebound is formed, and then enters a cutting mechanism;
(3) cutting and punching the steel plate, pushing the steel plate which becomes flat after stress relief to the rear, entering a cutting mechanism for punching, enabling the steel plate to enter from a feed inlet of a reserved steel plate between a lower die and a base in a stepping mode, punching by matching an upper die and the lower die, enabling generated waste to fall into a waste recycling groove below the base, and enabling the punched steel plate to be integrally sent out of a joint part of the upper die and the lower die and transversely and vertically reshaped by a horizontal reshaping roller and a vertical reshaping roller behind a hydraulic cylinder bracket;
(4) the steel plate is bent and folded, the turned steel plate enters a walking progressive flanging mechanism and sequentially passes through positioning, primary indentation, primary bending, secondary indentation, secondary bending, folding and extrusion shaping of the tail end; wherein, the primary bending is the forming of a first folding edge of the bent steel plate by gradually extruding a plurality of bending press rollers which are sequentially arranged according to the travelling direction of the steel plate; the secondary bending process is basically consistent with the primary bending process, and the edge part of the steel plate is molded by a compression roller with a molding structure in the advancing process of the steel plate; after the two times of processing, the steel plate is a rectangular section with an upper side and an opening in the middle part; the rectangular section reaches a shaping press roller with a three-step structure at the tail end, two side surfaces of the rectangular section are clamped by the convex round tables at the two ends of the shaping press roller, and the turned first folded edge is pressed and shaped by the roller bodies close to the convex round tables at the two ends; the convex round table in the middle of the roller body passes through the middle opening part of the upper edge of the rectangular section bar to directly extrude the bottom surface of the rectangular section bar;
(5) cutting the rectangular section bar, enabling the rectangular section bar to pass through the pneumatic locking portal frame and then enter a cutting opening of the automatic cutting mechanism, pressing by a top cylinder according to the required length, and cutting off the rectangular section bar by a port.
5. The continuous forming method of the section bar for the energy-saving power distribution cabinet according to claim 4, wherein the steel plate overturning is carried out after the steel plate in the step (3) is cut and punched, and the specific steps are as follows: the steel plate subjected to cutting and punching is turned clockwise by 180 degrees; specifically comprises clockwise turning 45 degrees through a front inclined bracket, continuously clockwise turning 45 degrees when passing through a middle vertical bracket, keeping a vertical state, then the window enters a rear inclined bracket to continuously overturn 45 degrees clockwise, and achieves overturning of 180 degrees clockwise after the window overturns a stable bracket, and then enters a walking progressive flanging mechanism to carry out flanging and turnover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210708187.5A CN114918631B (en) | 2022-06-22 | 2022-06-22 | Continuous forming system and forming method for section bar for energy-saving power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210708187.5A CN114918631B (en) | 2022-06-22 | 2022-06-22 | Continuous forming system and forming method for section bar for energy-saving power distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114918631A CN114918631A (en) | 2022-08-19 |
| CN114918631B true CN114918631B (en) | 2024-03-26 |
Family
ID=82815237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210708187.5A Active CN114918631B (en) | 2022-06-22 | 2022-06-22 | Continuous forming system and forming method for section bar for energy-saving power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114918631B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101642984B1 (en) * | 2015-09-10 | 2016-07-26 | 동재공업주식회사 | Roll forming system |
| CN207043143U (en) * | 2017-05-10 | 2018-02-27 | 姜立国 | Jam automatic moulding machine |
| CN109877217A (en) * | 2018-12-17 | 2019-06-14 | 山东信泰节能科技股份有限公司 | A kind of shingle nail machine-shaping device |
| CN110142334A (en) * | 2019-04-25 | 2019-08-20 | 烟台卡斯凯特金属制品股份有限公司 | Framework automatic production line and integrated forming technique |
| CN110216424A (en) * | 2019-06-13 | 2019-09-10 | 烟台卡斯凯特金属制品股份有限公司 | Welding box body production line and production method |
| CN110947838A (en) * | 2019-12-31 | 2020-04-03 | 长丰吾道智能光电科技有限公司 | Barrel material forming method |
| CN112338565A (en) * | 2020-11-04 | 2021-02-09 | 杭州宝宸科技有限公司 | Elevator sheet metal part machining system |
| CN112475925A (en) * | 2020-11-04 | 2021-03-12 | 杭州宝宸科技有限公司 | Automatic production line for elevator sheet metal components |
| CN112547927A (en) * | 2020-11-26 | 2021-03-26 | 童丹桂 | Profile machining method |
| CN112547912A (en) * | 2020-11-16 | 2021-03-26 | 江苏天港箱柜有限公司 | Cold bending roll forming production line |
| CN112845843A (en) * | 2020-12-23 | 2021-05-28 | 安徽艾普智能装备有限公司 | Refrigerator glass door metal end rail forming line |
| CN113290164A (en) * | 2021-06-10 | 2021-08-24 | 深圳市缚火龙机电实业有限公司 | Fire-proof valve frame forming machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2948257B1 (en) * | 2013-01-24 | 2022-06-29 | Mestek Machinery, Inc. | Apparatus for metal positioning and forming |
-
2022
- 2022-06-22 CN CN202210708187.5A patent/CN114918631B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101642984B1 (en) * | 2015-09-10 | 2016-07-26 | 동재공업주식회사 | Roll forming system |
| CN207043143U (en) * | 2017-05-10 | 2018-02-27 | 姜立国 | Jam automatic moulding machine |
| CN109877217A (en) * | 2018-12-17 | 2019-06-14 | 山东信泰节能科技股份有限公司 | A kind of shingle nail machine-shaping device |
| CN110142334A (en) * | 2019-04-25 | 2019-08-20 | 烟台卡斯凯特金属制品股份有限公司 | Framework automatic production line and integrated forming technique |
| CN110216424A (en) * | 2019-06-13 | 2019-09-10 | 烟台卡斯凯特金属制品股份有限公司 | Welding box body production line and production method |
| CN110947838A (en) * | 2019-12-31 | 2020-04-03 | 长丰吾道智能光电科技有限公司 | Barrel material forming method |
| CN112338565A (en) * | 2020-11-04 | 2021-02-09 | 杭州宝宸科技有限公司 | Elevator sheet metal part machining system |
| CN112475925A (en) * | 2020-11-04 | 2021-03-12 | 杭州宝宸科技有限公司 | Automatic production line for elevator sheet metal components |
| CN112547912A (en) * | 2020-11-16 | 2021-03-26 | 江苏天港箱柜有限公司 | Cold bending roll forming production line |
| CN112547927A (en) * | 2020-11-26 | 2021-03-26 | 童丹桂 | Profile machining method |
| CN112845843A (en) * | 2020-12-23 | 2021-05-28 | 安徽艾普智能装备有限公司 | Refrigerator glass door metal end rail forming line |
| CN113290164A (en) * | 2021-06-10 | 2021-08-24 | 深圳市缚火龙机电实业有限公司 | Fire-proof valve frame forming machine |
Non-Patent Citations (2)
| Title |
|---|
| "直接成方"矩形管生产工艺及设备的研究;仝江涛;;焊管;20170828(08);59-63 * |
| 多辊压力连续成形机设计;欧雪琴;机电技术;20031230(02);22-27 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114918631A (en) | 2022-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DK1877205T3 (en) | Production line and process for forming profiles | |
| CN110216424B (en) | Box welding production line and production method | |
| CN206838817U (en) | A kind of aluminium bender | |
| WO2009074299A1 (en) | Apparatus and process for forming profiles with a variable height by means of cold rolling | |
| CN110405014B (en) | Conical barrel rolling equipment | |
| CN113198870A (en) | Nonrust steel pipe forming device and production line thereof | |
| CN114918631B (en) | Continuous forming system and forming method for section bar for energy-saving power distribution cabinet | |
| DE2423279B2 (en) | Device for bending shaped profiled lengths from a flat metal strip | |
| CN117066320B (en) | Steel plate rounding machine | |
| CN109551229B (en) | Laser drilling cold rolling mill | |
| CN219881788U (en) | Special processing production system for multi-type cigarette frame folding door pore plate | |
| CN113695439B (en) | Cold bending forming machine capable of adjusting bending angle and working method thereof | |
| DE4403339A1 (en) | Apparatus for the final shaping of a tube produced by electrical resistance welding | |
| CN113441885B (en) | Automatic change overhead tank jar body welding equipment | |
| CN212093963U (en) | Strip roller type cold rolling forming machine | |
| CN109663854A (en) | A kind of metallic panel absorber automated production equipment and production method | |
| CN101450359B (en) | Three-dimensional corrugated steel production technique and special device thereof | |
| DE10141328B4 (en) | Method and device for extrusion molding of curved extruded profiles | |
| RU156248U1 (en) | MULTI-CURVE PROFILING MACHINE | |
| CN208993074U (en) | The all-in-one machine of wrapped bearing bush forming and shaping | |
| CN204819679U (en) | Tread separation cutting machine | |
| CN204844279U (en) | Tire tread floorcloth separation cutting machine | |
| CN204844299U (en) | Easily change tread separation cutting device of tread roller | |
| CN217528762U (en) | Shaping equipment for changing metal round pipe into square pipe | |
| CN112736742B (en) | Buckle forming device for electric connector of switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |