CN111530984B - Sheet metal mold processing of bending - Google Patents
Sheet metal mold processing of bending Download PDFInfo
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- CN111530984B CN111530984B CN202010397345.0A CN202010397345A CN111530984B CN 111530984 B CN111530984 B CN 111530984B CN 202010397345 A CN202010397345 A CN 202010397345A CN 111530984 B CN111530984 B CN 111530984B
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/006—Bending sheet metal along straight lines, e.g. to form simple curves combined with measuring of bends
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to a metal plate bending processing die which comprises a workbench, a clamping and bending mechanism and an inward bending unit, wherein the clamping and bending mechanism is symmetrically arranged at the left and right ends of the front end of the upper end of the workbench, the inward bending unit is arranged at the rear middle side of the clamping and bending mechanism in a sliding fit mode, the inward bending unit is arranged at the rear end of the upper end of the workbench, the metal plate bending processing die adopts the design concept of a multi-aspect adjustable structure to bend metal plates, and on the basis of longitudinal bending, the device is integrally provided with a structure capable of controlling the bending angle and the width of a formed part, so that the application range of the whole device is greatly improved, and meanwhile, a plurality of structures with limiting and guiding functions are adopted to improve the bending quality and precision of the metal plates.
Description
Technical Field
The invention relates to the technical field of plate processing, in particular to a metal plate bending processing die.
Background
The plate is a flat rectangular building material plate with standard size, which is applied to the building industry, is used as a component of walls, ceilings or floors, and also refers to a metal plate formed by forging, rolling or casting, and is divided into a thin plate, a middle plate, a thick plate, an extra thick plate, and a flat rectangular building material plate with standard size, wherein the common processing modes of the metal plate comprise blanking, bending, cutting and the like, the plate product has flat appearance, large width-thickness ratio and large surface area of unit volume, the appearance characteristics enhance the containing and covering capability, can be randomly cut, bent, stamped, welded to form various product components, can be bent and welded to form structural components of section steel, steel pipes, large I-sized steel, channel steel and the like with various complex sections, and the plate is widely utilized and plays an extremely important role in the manufacturing departments of chemical engineering, containers, buildings, metal products, metal structures, automobiles, aviation, shipbuilding, tractors and the like, however, the following problems can occur in the bending process of the metal plate:
1. the common metal plate bending device only aims at processing a single type of formed part, and the bending angle of the formed part in the width dimension is fixed, so that the whole device cannot be fully utilized, and meanwhile, when the metal plate is placed manually, deviation is easily generated between a main bending point and a bending structure on the metal plate, and thus the bent formed part is in an asymmetric or irregular state;
2. the multidirectional freedom degrees of the metal plate cannot be effectively limited and fixed, so that the metal plate is easy to shift in the bending process, the production rate of defective formed parts is increased, the bending forming precision is reduced, and meanwhile, the joint degree between the main bending position on the metal plate and the bending die is low, so that the bending degrees of the two ends of the metal plate are inconsistent.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose, the invention adopts the following technical scheme that the metal plate bending processing die comprises a workbench, a clamping and bending mechanism and an inward bending unit, wherein the clamping and bending mechanism is symmetrically arranged at the left and right of the front end of the upper end of the workbench, the inward bending unit is arranged at the rear end of the upper end of the workbench in a sliding fit mode, and the inward bending unit is positioned at the rear middle side of the clamping and bending mechanism.
The bending mechanism comprises a vertical block, an electric push rod, an outward folding roller, a supporting plate, a hollow rod, a first electric slide block, a U-shaped clamping frame, a compression spring and a press block, wherein the vertical block is arranged at the front end of the upper end face of a workbench in a bilateral symmetry manner, the electric push rod is arranged in the middle of the rear end of the vertical block, the outward folding roller is connected to the rear end of the electric push rod, the supporting plate is arranged in the middle between the two outward folding rollers, the lower end of the supporting plate is arranged on the upper end face of the workbench, the rear end face of the supporting plate is flush with the rear end surface of the outward folding roller, the hollow rod is arranged at the upper end of the outer side end of the outward folding roller, the first electric slide block is symmetrically arranged on the upper inner side wall and the lower inner side wall of the hollow rod in a sliding fit manner, the inner side end of the first electric slide block is connected with the front end of the U-shaped clamping frame, the compression spring is arranged on the inner side end face of the rear end of the U-shaped clamping frame, the press block is arranged at the front end of the compression spring, the press block is driven by the first electric slide block to move a corresponding distance to the outside before metal plate is processed, then stir the briquetting to the rear side through the manual mode and make sheet metal paste and arrange in the workstation in the rear end face of outer roll, the briquetting compresses tightly sheet metal under compression spring's effect, sheet metal card is fixed in between two U type card framves, then the intussusception unit setting, later through electric putter to the rear side promote the outer roll of rolling over, the outer roll of rolling over promotes sheet metal both ends synchronous motion and bends processing to sheet metal under the cooperation of intussuseption unit, after the processing of bending, stir the briquetting to the rear side through the manual mode and make it separate from with shaping sheet metal mutually, take out shaping sheet metal through the manual mode simultaneously.
The rear side of the upright block is provided with a sliding block, the front end of the sliding block is connected with the rear end of an electric push rod, the rear end of the sliding block is installed at the front end of the outward folding roller in a sliding fit mode, the rear upper side of the sliding block is provided with a clamping column, the clamping column is installed on the outward folding roller in a sliding fit mode, a sliding fit mode is arranged between the lower end of the clamping column and the upper end of the workbench, the upper end of the clamping column is provided with a clamping pin in a sliding fit mode, a sliding fit mode is arranged between the lower end face of the clamping pin and the end face of the outward folding roller, the lower end of the upright block is provided with a stepped cylinder, the lower end of the stepped cylinder is connected with an arc groove in a sliding fit mode, the arc groove is arranged on the upper end face of the workbench, a rolling shaft is arranged between the stepped cylinders, the rolling shaft is positioned on the front side of the abutting plate, the rolling shaft is installed at the upper end of the workbench in a sliding fit mode, and a back plate is symmetrically arranged above the rolling shaft, the inner side end and the outer side end of the die return plate are symmetrically provided with a first shaft lever, the lower end of the first shaft lever at the inner side end of the die return plate is arranged on the upper end surface of the rolling shaft, the lower end of the first shaft lever at the outer side end of the die return plate is provided with a rotary push plate in a sliding fit mode, the rotary push plate is positioned below the die return plate, the outer side end of the rotary push plate in the left and right direction is provided with a second shaft lever in a sliding fit mode, the lower end of the second shaft lever is arranged on the upper end of a stepped cylinder, the lower end of the rolling shaft is connected with the output shaft end of a main motor, the lower end of the main motor is provided with a main seat plate, the upper end of the main seat plate is arranged on the lower end surface of a workbench, before a metal plate is bent and formed, the clamping pin is firstly pulled out in a manual mode, the clamping column is pressed downwards to clamp the lower end, the change push pedal rotates along the synchronous rotation of time template and along this axostylus axostyle through its axostylus axostyle that links to each other with the time template, the change push pedal drives the synchronous rotation of ladder cylinder along circular arc recess inboard or outside along the circular arc, and then electric putter drives the sliding block and rotates along the outer roller of rolling over along the ladder cylinder in step, electric putter can give the outer oblique thrust of rolling over the roller, through main motor, the time template, an axostylus axostyle, No. two axostylus axostyles, the change of the inclination of the steerable electric putter of cooperation between the change push pedal, it receives vertical or slope driving force to control the outer roller of rolling over promptly, with the angle on two sides of the fashioned type U type structure of change, and then improve the requirement that the metal plate that the application scope of mould was in order to adapt to and satisfy the different grade type bent the formed part.
The inner bending unit comprises a second electric sliding block, a base and an inner die, the second electric sliding block is symmetrically arranged on the left inner side wall and the right inner side wall of the rectangular groove in a sliding fit mode, the rectangular groove is formed in the rear end of the upper end face of the workbench, the rectangular groove is positioned at the right rear side of the abutting plate, the base is arranged between the second electric slide block, the base and the rectangular groove are in a sliding fit mode, the upper end of the base is provided with an inner bending roller, the left lower side of the base is provided with a first scale mark, the first scale mark is carved on the upper end surface of the workbench, after the clamping of the metal plate is completed, the base is driven to move forwards by the second electric slide block, the base drives the inner die to move synchronously until the front end face of the inner die is attached to the rear end face of the metal plate, then, the outward-folding roller is pushed to the rear side through the electric push rod, the outward-folding roller pushes two ends of the metal plate to move synchronously, and the middle end of the metal plate is gradually attached to the radian of the inner die and is bent inwards to form a U-shaped structure.
As a preferred technical scheme of the invention, the inner mold comprises a fixed shaft, a fan plate, a branch roller, a movable column, an auxiliary motor and an auxiliary seat plate, the fixed shaft is arranged in a shaft through groove in a sliding fit manner, the shaft through groove is arranged in the middle of the upper end of a base, the fan plate is arranged at the upper end of the fixed shaft and is uniformly distributed along the circumferential direction of the fixed shaft, the lower end surface of the fan plate is in a sliding fit manner with the upper end surface of the base, the branch roller is arranged at the outer side of the fan plate, the inner side end of the branch roller is of an outward convex arc structure, the outward arc structure is in a sliding fit manner with the outer side end of the fan plate, the movable column is arranged at the lower end of the branch roller, the lower end of the movable column is arranged at the upper end of the base in a sliding fit manner with the upper end surface of the base, the lower end of the fixed shaft, the upper end of the auxiliary seat plate is installed on the lower end face of the upper end of the workbench, before metal plates are bent and formed, the fixed shaft is driven to rotate through the auxiliary motor, the fixed shaft drives the fan plate to synchronously rotate, the fan plate is matched with the branch roller to enable the branch roller to move outwards in an open mode or inwards in a closed mode, the branch roller drives the moving column to move along the upper end face of the base, when the branch roller moves outwards in an open mode, the radial size of a cylinder integrally formed by the branch roller is enlarged, when the branch roller moves inwards in a closed mode, the radial size of the cylinder formed by the branch roller is reduced, namely the width size of a formed U-shaped structure can be changed through matching work among the auxiliary motor, the fixed shaft, the fan plate and the branch roller to meet the requirements of different types of metal plate forming parts.
As a preferred technical scheme of the invention, the outer side of the dividing roller is provided with a second scale mark, the second scale mark is carved on the upper end surface of the base, and an operator can precisely control the moving distance of the dividing roller towards the outer side or the inner side by means of the second scale mark, so that the fitting degree between the radial dimension of the cylinder integrally formed by the dividing roller and the required forming dimension is improved.
According to a preferable technical scheme, the middle of the upper end of the abutting plate is provided with a rotating shaft in a sliding fit mode, the upper end of the rotating shaft is provided with a square column, the front end face of the square column is provided with a third electric sliding block in a sliding fit mode, the front end of the third electric sliding block is provided with a pressing plate, after a metal plate is clamped, the square column is rotated by the rotating shaft in a manual mode until the pressing plate rotates to the rear side, then the third electric sliding block drives the pressing plate to move downwards until the lower end of the pressing plate is attached to the upper end face of the metal plate, and the cooperation among the third electric sliding block, the pressing plate, the rotating shaft and the square column can play a role in assisting fixing and limiting on the metal plate, so that the metal plate cannot be completely attached to an outer folding roller in the bending process, and the integral bending degree of the metal plate is inconsistent.
As a preferred technical scheme of the invention, the front end face of the hollow rod is provided with the ear seat, the right end face of the ear seat is provided with the track through groove, the track through groove is internally provided with the scale plate in a sliding fit mode, the rear end of the outer side end of the scale plate is arranged on the front end face of the U-shaped clamping frame, the first electric slider drives the U-shaped clamping frame to move, and simultaneously the scale plate moves synchronously along with the U-shaped clamping frame.
As a preferred technical scheme of the invention, the rear end face of the abutting plate, the inner side surface of the U-shaped clamping frame and the front end face of the pressing block are respectively provided with the rubber layer, the rubber layers can play roles of buffering, damping and protecting the contact part of the metal plate and the bottom plate and the U-shaped clamping frame, the probability of deformation phenomena such as recess and the like of the contact part of the metal plate surface can be reduced, meanwhile, the high recovery rate of the rubber layers can improve the service life of the rubber layers, and the probability of losing the buffering, damping and protecting functions due to the fact that a compaction state is formed after long-time use is reduced.
(II) advantageous effects
1. According to the metal plate bending processing die, the metal plate is bent by adopting a design concept of a multi-aspect adjustable structure, on the basis of longitudinal bending, the die is integrally additionally provided with a structure with the function of controlling the bending angle and the width of a formed part, so that the application range of the whole die is greatly improved, and meanwhile, a plurality of structures with limiting and guiding functions are adopted to improve the bending quality and precision of the metal plate;
2. the main motor, the rotary plate, the first rotary shaft, the second rotary shaft and the rotary push plate are matched to control the change of the inclination angle of the electric push rod, namely the outer folding roller is controlled to be subjected to longitudinal or inclined pushing force so as to change the angles of two sides of a formed U-shaped structure, and further the application range of the die is improved to adapt to and meet the requirements of different types of metal plate bending formed parts;
3. the auxiliary motor, the fixed shaft, the fan plate and the sub-roller are matched to work, so that the width size of a formed U-shaped structure can be changed to meet the requirements of different types of metal plate forming parts, the distance of outward or inward movement of the sub-roller can be accurately controlled by the second scale mark on the outer side of the sub-roller, and the fit degree between the radial size of a cylinder integrally formed by the sub-roller and the required forming size is further improved;
4. the scale plate can accurately control the movement distance of the two U-shaped clamping plates and keep the same all the time, so that the adaptability change can be made according to the length size of the formed metal plate, and meanwhile, the guide function can be realized on the positive placement of the metal plate, namely, the distances between the left end and the right end of the metal plate and the adjacent outward folding rollers are equal;
5. the third electric sliding block, the pressing plate, the rotating shaft and the square column are matched to play a role in auxiliary fixing and limiting for the metal plate, so that the metal plate is prevented from deviating upwards in the bending process to be completely attached to an outer folding roller, and the integral bending degree of the metal plate is inconsistent;
6. the U-shaped clamping frame and the abutting plate are matched to limit the multi-directional freedom degree of the metal plate, so that the clamping degree of the metal plate is improved, meanwhile, the abutting plate can play a role in fixing and limiting the middle main bending section of the metal plate so that the bending degree of the metal plate is attached to the inner die, and the metal bending forming precision is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a first cross-sectional view of the present invention;
FIG. 3 is a second cross-sectional view of the present invention;
FIG. 4 is a third cross-sectional view of the present invention;
FIG. 5 is an enlarged view of the invention in section X of FIG. 2;
FIG. 6 is an enlarged view of the Y-direction portion of FIG. 2 of the present invention;
FIG. 7 is an enlarged view of the invention in the Z-direction of FIG. 3;
FIG. 8 is an enlarged view of the M-direction portion of FIG. 4 in accordance with the present invention;
fig. 9 is an enlarged view of the invention from the N-direction of fig. 4.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 9, a sheet metal bending processing die comprises a workbench 1, a clamping and bending mechanism 2 and an inward bending unit 3, wherein the clamping and bending mechanism 2 is symmetrically arranged at the left and right of the front end of the upper end of the workbench 1, the inward bending unit 3 is installed at the rear end of the upper end of the workbench 1 in a sliding fit manner, and the inward bending unit 3 is located at the rear middle side of the clamping and bending mechanism 2.
The clamping and bending mechanism 2 comprises a vertical block 20, an electric push rod 21, an outer folding roller 22, a resisting plate 23, a hollow rod 24, a first electric slide block 25, a U-shaped clamping frame 26, a compression spring 27 and a pressing block 28, wherein the vertical block 20 is arranged at the front end of the upper end face of the workbench 1 in a bilateral symmetry manner, the electric push rod 21 is arranged in the middle of the rear end of the vertical block 20, the outer folding roller 22 is connected with the rear end of the electric push rod 21, the resisting plate 23 is arranged in the middle between the two outer folding rollers 22, the lower end of the resisting plate 23 is arranged on the upper end face of the workbench 1, the rear end face of the resisting plate 23 is flush with the rear end surface of the outer folding roller 22, the hollow rod 24 is arranged at the upper end of the outer side end of the outer folding roller 22, the first electric slide block 25 is symmetrically arranged on the upper and lower inner side walls of the hollow rod 24 in a sliding fit manner, the inner side end of the first electric slide block 25 is connected with the front end of the U-shaped clamping frame 26, the compression spring 27 is arranged on the inner side face of the rear end of the U-shaped clamping frame 26, a press block 28 is arranged at the front end of a compression spring 27, a U-shaped clamping frame 26 is driven by a first electric slide block 25 to move outwards for a corresponding distance before the metal plate is processed, then the press block 28 is manually shifted backwards while the metal plate is attached to the rear end face of an outer folding roller 22 and placed on a workbench 1, the press block 28 after loosening tightly presses the metal plate under the action of the compression spring 27, the metal plate is clamped between the two U-shaped clamping frames 26 at the moment, then an inner bending unit 3 is set, then the outer folding roller 22 is pushed backwards by an electric push rod 21, the outer folding roller 22 pushes the two ends of the metal plate to synchronously move and carries out bending processing on the metal plate under the coordination of the inner bending unit 3, after the bending processing is finished, the press block 28 is manually shifted backwards to separate from the formed metal plate, and the formed metal plate is manually taken out at the same time, the U-shaped clamping frame 26 and the abutting plate 23 are matched to limit the multi-directional freedom degree of the metal plate, so that the clamping degree of the metal plate is improved, meanwhile, the abutting plate 23 can play a role in fixing and limiting a main bending section in the middle of the metal plate so that the bending degree of the metal plate is attached to the inner die 33, and the metal bending forming precision is improved.
The middle part of the upper end of the abutting plate 23 is provided with a rotating shaft 231 in a sliding fit mode, the upper end of the rotating shaft 231 is provided with a square column 232, the front end face of the square column 232 is provided with a third electric slider 233 in a sliding fit mode, the front end of the third electric slider 233 is provided with a pressing plate 234, after the metal plate is clamped, the square column 232 is rotated by the rotating shaft 231 in a manual mode until the pressing plate 234 rotates to the rear side, then the third electric slider 233 drives the pressing plate 234 to move downwards until the lower end of the pressing plate 234 is attached to the upper end face of the metal plate, the third electric slider 233, the pressing plate 234, the rotating shaft 231 and the square column 232 are matched to play roles of assisting in fixing and limiting the metal plate, and further the metal plate is prevented from moving upwards in a bending process so as to be incapable of being completely attached to the outer bending roller 22 and further cause.
The rear side of the upright block 20 is provided with a sliding block 201, the front end of the sliding block 201 is connected with the rear end of an electric push rod 21, the rear end of the sliding block 201 is arranged at the front end of an outer folding roller 22 in a sliding fit mode, the rear upper side of the sliding block 201 is provided with a clamping column 202, the clamping column 202 is arranged on the outer folding roller 22 in a sliding fit mode, a sliding fit mode is arranged between the lower end of the clamping column 202 and the upper end of the workbench 1, the upper end of the clamping column 202 is provided with a clamping pin 203 in a sliding fit mode, a sliding fit mode is arranged between the lower end surface of the clamping pin 203 and the end surface of the outer folding roller 22, the lower end of the upright block 20 is provided with a stepped cylinder 204, the lower end of the stepped cylinder 204 is connected with an arc groove in a sliding fit mode, the arc groove is arranged at the upper end surface of the workbench 1, a rolling shaft 205 is arranged between the stepped cylinders 204, the rolling shaft 205 is arranged at the front side of the abutting plate 23, and the rolling shaft 205 is arranged at the upper end of the workbench 1 in a sliding fit mode, the front and back of the upper part of the roller 205 are symmetrically provided with a circle plate 206, the inner and outer side ends of the circle plate 206 are symmetrically provided with a first shaft rod 207, the lower end of the first shaft rod 207 at the inner side end of the circle plate 206 is arranged on the upper end surface of the roller 205, the lower end of the first shaft rod 207 at the outer side end of the circle plate 206 is provided with a rotary push plate 208 in a sliding fit mode, the rotary push plate 208 is positioned below the circle plate 206, the outer side end of the left and right direction of the rotary push plate 208 is provided with a second shaft rod 209 in a sliding fit mode, the lower end of the second shaft rod 209 is arranged on the upper end of the stepped cylinder 204, the lower end of the roller 205 is connected with the output shaft end of the main motor 20a, the lower end of the main motor 20a is provided with a main seat plate 20b, the upper end of the main seat plate 20b is arranged on the lower end surface of the upper end of the worktable 1, before the metal plate is bent and formed, the bayonet 203 is pulled out manually, and the clamping column 202 is pressed downwards to clamp the lower end of the worktable 1, at this time, the outer folding roller 22 is fixed on the workbench 1 through the clamping column 202, then the main motor 20a drives the rolling shaft 205 to rotate, the rolling shaft 205 first shaft rod 207 drives the return plate 206 to rotate synchronously, the rotary push plate 208 drives the stepped cylinder 204 to rotate along the arc groove inwards or outwards through the first shaft rod 207 connected with the return plate 206 and along the first shaft rod 207, the rotary push plate 208 drives the stepped cylinder 204 to rotate along the arc groove inwards or outwards through the second shaft rod 209 connected with the stepped cylinder 204, further the electric push rod 21 drives the sliding block 201 to rotate along the outer folding roller 22 synchronously along with the stepped cylinder 204, the electric push rod 21 can give the outer folding roller 22 an oblique thrust, the change of the oblique angle of the electric push rod 21 can be controlled through the matching among the main motor 20a, the return plate 206, the first shaft rod 207, the second shaft rod 209 and the rotary push plate 208, namely the outer folding roller 22 is controlled to receive a longitudinal or oblique thrust, the angle of two sides of the formed U-shaped structure is changed, and the application range of the die is further improved so as to adapt to and meet the requirements of different types of metal plate bending forming pieces.
The rear end face of the abutting plate 23, the inner side surface of the U-shaped clamping frame 26 and the front end face of the pressing block 28 are all provided with rubber layers, the rubber layers can play roles of buffering, damping and protecting the contact part of the metal plate and the bottom plate and the U-shaped clamping frame 26, the probability of deformation phenomena such as recess and the like of the contact part of the metal plate surface can be reduced, meanwhile, the high recovery rate of the rubber layers can prolong the service life of the rubber layers, and the probability of losing the buffering, damping and protecting effects due to the fact that a compaction state is formed after long-time use is reduced.
The inner bending unit 3 comprises a second electric sliding block 31, a base 32 and an inner die 33, the second electric sliding block 31 is symmetrically arranged on the left inner side wall and the right inner side wall of a rectangular groove in a sliding fit mode, the rectangular groove is formed in the rear end of the upper end face of the workbench 1 and is positioned on the right rear side of the abutting plate 23, the base 32 is arranged between the second electric sliding blocks 31, the base 32 and the rectangular groove are in a sliding fit mode, an inner bending roller is arranged at the upper end of the base 32, a first scale mark is arranged on the left lower side of the base 32 and is engraved on the upper end face of the workbench 1, after the metal plate is clamped, the base 32 is driven to move forwards by the second electric sliding block 31, the base 32 drives the inner die 33 to move synchronously until the front end face of the inner die 33 is abutted against the rear end face of the metal plate, then the outer bending roller 22 is driven to the rear side by the electric push rod 21, and the outer bending roller 22 drives the two ends of the metal plate to move synchronously, the radian of centre form 33 and the incurving forms type U type structure of laminating gradually in sheet metal's middle-end, and operating personnel can carry out accurate control with the help of a scale mark to the movement distance of No. two electronic slider 31 to make the adaptability adjustment according to the sheet metal's of machine-shaping thickness size, and then can improve the holistic utilization ratio of mould.
The inner mold 33 comprises a fixed shaft 331, a fan plate 332, a branch roller 333, a movable column 334, an auxiliary motor 335 and an auxiliary seat plate 336, the fixed shaft 331 is arranged in a shaft through groove in a sliding fit mode, the shaft through groove is arranged in the middle of the upper end of the base 32, the upper end of the fixed shaft 331 is provided with the fan plate 332, the fan plate 332 is uniformly distributed along the circumferential direction of the fixed shaft 331, the lower end surface of the fan plate 332 and the upper end surface of the base 32 are in a sliding fit mode, the outer side of the fan plate 332 is provided with the branch roller 333, the inner side end of the branch roller 333 is in an outer convex arc structure, the outer side end of the outer convex arc structure and the outer side end of the fan plate 332 are in a sliding fit mode, the lower end of the branch roller 333 is arranged at the upper end of the base 32 in a sliding fit mode, the lower end surface of the branch roller 333 and the upper end surface of the base 32 are in a sliding fit mode, the lower end of the fixed shaft 331 is connected with the output shaft end of the auxiliary motor 335, the lower end of the auxiliary motor 335 is provided with an auxiliary seat plate 336, the upper end of the auxiliary seat plate 336 is arranged on the lower end surface of the upper end of the worktable 1, before the metal plate is bent and formed, the auxiliary motor 335 drives the fixed shaft 331 to rotate, the fixed shaft 331 drives the fan plate 332 to rotate synchronously, the fan plate 332 and the branch roller 333 are matched to enable the branch roller 333 to move in an outward opening manner or in an inward contracting manner, the branch roller 333 drives the moving column 334 to move along the upper end surface of the base 32, when the minute roller 333 is moved open to the outside, the radial dimension of the cylinder in which the minute roller 333 is integrally formed is enlarged, when the minute roller 333 moves inward, the radial dimension of the cylinder formed by the minute roller 333 as a whole decreases, that is, the width of the formed U-shaped structure can be changed by the cooperation of the auxiliary motor 335, the fixed shaft 331, the fan plate 332 and the branch roller 333 to meet the requirements of different types of metal plate forming parts.
The outside of minute roller 333 be provided with No. two scale marks, No. two scale marks are carved on the up end of base 32, operating personnel can be with the help of the accurate distance that controls minute roller 333 and move to outside or inboard No. two scale marks, and then improve the laminating degree between the cylindrical radial dimension that minute roller 333 formed a whole and the shaping required size.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a sheet metal mold processing of bending, includes workstation (1), presss from both sides curved mechanism (2) and incurve unit (3), its characterized in that: the clamping and bending mechanism (2) is symmetrically arranged at the left and right sides of the front end of the upper end of the workbench (1), the inner bending unit (3) is installed at the rear end of the upper end of the workbench (1) in a sliding fit mode, and the inner bending unit (3) is positioned at the rear middle side of the clamping and bending mechanism (2);
the clamping and bending mechanism (2) comprises a vertical block (20), an electric push rod (21), an outer folding roller (22), a resisting plate (23), a hollow rod (24), a first electric slider (25), a U-shaped clamping frame (26), a compression spring (27) and a pressing block (28), wherein the vertical block (20) is arranged at the front end of the upper end face of the workbench (1) in a bilateral symmetry mode, the electric push rod (21) is arranged in the middle of the rear end of the vertical block (20), the outer folding roller (22) is connected to the rear end of the electric push rod (21), the resisting plate (23) is arranged in the middle between the two outer folding rollers (22), the lower end of the resisting plate (23) is arranged on the upper end face of the workbench (1), the rear end face of the resisting plate (23) is flush with the rear end surface of the outer folding roller (22), the hollow rod (24) is arranged on the upper end of the outer side end of the outer folding roller (22), and the first electric slider (25) is symmetrically arranged on the upper inner side wall and the lower side wall of the hollow rod (24) in a sliding fit mode, the inner side end of the first electric sliding block (25) is connected with the front end of the U-shaped clamping frame (26), a compression spring (27) is installed on the end face of the inner side of the rear end of the U-shaped clamping frame (26), and a pressing block (28) is installed at the front end of the compression spring (27);
the rear side of the vertical block (20) is provided with a sliding block (201), the front end of the sliding block (201) is connected with the rear end of an electric push rod (21), the rear end of the sliding block (201) is installed at the front end of the outer folding roller (22) in a sliding fit mode, the rear upper side of the sliding block (201) is provided with a clamping column (202), the clamping column (202) is installed on the outer folding roller (22) in a sliding fit mode, a sliding fit mode is adopted between the lower end of the clamping column (202) and the upper end of the workbench (1), the upper end of the clamping column (202) is provided with a clamping pin (203) in a sliding fit mode, a sliding fit mode is adopted between the lower end face of the clamping pin (203) and the end face of the outer folding roller (22), the lower end of the vertical block (20) is provided with a stepped cylinder (204), the lower end of the stepped cylinder (204) is connected with an arc groove in a sliding fit mode, and the, the rolling shafts (205) are arranged between the stepped cylinders (204), the rolling shafts (205) are positioned on the front side of the abutting plate (23), the rolling shafts (205) are arranged at the upper end of the workbench (1) in a sliding fit mode, the rotary plates (206) are symmetrically arranged above the rolling shafts (205) in the front-back direction, first shaft rods (207) are symmetrically arranged at the inner side end and the outer side end of each rotary plate (206), the lower ends of the first shaft rods (207) at the inner side end of each rotary plate (206) are arranged on the upper end surface of the rolling shafts (205), rotary push plates (208) are arranged at the lower ends of the first shaft rods (207) at the outer side end of each rotary plate (206) in a sliding fit mode, second shaft rods (209) are arranged at the upper ends of the stepped cylinders (204) at the outer side ends in the left-right direction of the rotary push plates (208) in a sliding fit mode, the lower ends of the rolling shafts (205) are connected with the output end of the main motor (20a), a main seat plate (20b) is installed at the lower end of the main motor (20a), and the upper end of the main seat plate (20b) is installed on the lower end face of the upper end of the workbench (1);
incurving unit (3) including No. two electronic slider (31), base (32) and centre form (33), inside wall about the rectangle recess is installed through sliding fit mode symmetry in No. two electronic slider (31), the up end rear end in workstation (1) is seted up to the rectangle recess, and the rectangle recess is located support board (23) positive rear side, install base (32) between No. two electronic slider (31), be the sliding fit mode between base (32) and the rectangle recess, the upper end of base (32) is provided with the incurving roller, the left downside of base (32) is provided with the scale mark No. one, the up end of system in workstation (1) is carved with the scale mark No. one.
2. The metal plate bending processing die as claimed in claim 1, wherein: the inner mold (33) comprises a fixing shaft (331), a fan plate (332), a distributing roller (333), a moving column (334), an auxiliary motor (335) and an auxiliary seat plate (336), the fixing shaft (331) is installed in a shaft through groove in a sliding fit mode, the shaft through groove is formed in the middle of the upper end of the base (32), the fan plate (332) is installed at the upper end of the fixing shaft (331), the fan plate (332) is evenly distributed along the circumferential direction of the fixing shaft (331), a sliding fit mode is formed between the lower end face of the fan plate (332) and the upper end face of the base (32), the distributing roller (333) is arranged on the outer side of the fan plate (332), the inner side end of the distributing roller (333) is of an outer convex arc structure, a sliding fit mode is formed between the outer side end of the outer convex arc structure and the fan plate (332), the moving column (334) is installed at the lower end of the distributing roller (333), and the lower end of the moving column (334) is installed at the upper end of the base (32) in a sliding fit mode, the lower end face of the sub-roller (333) is in sliding fit with the upper end face of the base (32), the lower end of the fixed shaft (331) is connected with the output shaft end of the auxiliary motor (335), the lower end of the auxiliary motor (335) is provided with an auxiliary seat plate (336), and the upper end of the auxiliary seat plate (336) is arranged on the lower end face of the upper end of the workbench (1).
3. The metal plate bending processing die as claimed in claim 2, wherein: and second scale marks are arranged on the outer side of the sub-roller (333) and are engraved on the upper end surface of the base (32).
4. The metal plate bending processing die as claimed in claim 1, wherein: the upper end middle part of the abutting plate (23) is provided with a rotating shaft (231) in a sliding fit mode, the upper end of the rotating shaft (231) is provided with a square column (232), the front end surface of the square column (232) is provided with a third electric sliding block (233) in a sliding fit mode, and the front end of the third electric sliding block (233) is provided with a pressing plate (234).
5. The metal plate bending processing die as claimed in claim 1, wherein: the front end face of hollow rod (24) install ear seat (241), the right-hand member face of ear seat (241) has been seted up the track and has been led to the groove, scale plate (242) are installed through sliding fit mode in the groove to the track, the front end face at U type card frame (26) is installed to the rear end of scale plate (242) outside end.
6. The metal plate bending processing die as claimed in claim 1, wherein: rubber layers are arranged on the rear end face of the abutting plate (23), the inner side surface of the U-shaped clamping frame (26) and the front end face of the pressing block (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010397345.0A CN111530984B (en) | 2020-05-12 | 2020-05-12 | Sheet metal mold processing of bending |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010397345.0A CN111530984B (en) | 2020-05-12 | 2020-05-12 | Sheet metal mold processing of bending |
Publications (2)
| Publication Number | Publication Date |
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| CN111530984A CN111530984A (en) | 2020-08-14 |
| CN111530984B true CN111530984B (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010397345.0A Active CN111530984B (en) | 2020-05-12 | 2020-05-12 | Sheet metal mold processing of bending |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020353B (en) * | 2021-03-22 | 2023-12-22 | 宝鸡晟亿鑫工贸有限公司 | Raw material metal bending equipment for energy-saving environment-friendly intelligent manufacturing |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4936131A (en) * | 1980-07-30 | 1990-06-26 | Gray John C | Production of threaded metal rods for making U-bolts |
| SU1440580A1 (en) * | 1986-11-24 | 1988-11-30 | В.П.Буцкивский | Arrangement for bending u-shaped articles |
| CN102284573B (en) * | 2011-07-13 | 2013-12-25 | 中国核电工程有限公司 | Cold bending equipment for manufacturing U-shaped rod |
| CN208408132U (en) * | 2018-06-29 | 2019-01-22 | 中国电建集团核电工程有限公司 | The flat bending machine of Multifunction flat molten steel |
| CN110238248A (en) * | 2019-07-15 | 2019-09-17 | 海盐东盛紧固件制造有限公司 | A kind of bend unit of U-bolt cold-bending forming device |
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| CN111530984A (en) | 2020-08-14 |
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Effective date of registration: 20210831 Address after: 238171 blade mould City, Bowang Town, Bowang District, Ma'anshan City, Anhui Province Applicant after: ANHUI DONGHAI MACHINE TOOL Co.,Ltd. Address before: 315100 No.8 Qianhu South Road, Yinzhou District, Ningbo City, Zhejiang Province (Zhejiang Wanli College) Applicant before: Wang Binbin |
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