CN111702082B - Sheet metal bending deformation mold processing - Google Patents
Sheet metal bending deformation mold processing Download PDFInfo
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- CN111702082B CN111702082B CN202010611199.7A CN202010611199A CN111702082B CN 111702082 B CN111702082 B CN 111702082B CN 202010611199 A CN202010611199 A CN 202010611199A CN 111702082 B CN111702082 B CN 111702082B
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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
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
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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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention belongs to the technical field of plate processing, and particularly relates to a metal plate bending deformation processing die which comprises a horizontal bottom plate, wherein a guide rod is arranged on the bottom plate, a bearing plate is arranged on the guide rod, and a pressing plate is arranged on the guide rod in a sliding manner; the pressure bearing strips are fixedly arranged between the pressure bearing plates, and the pressure applying strips are fixedly arranged between the pressure applying plates; a vertical plate is arranged on the bottom plate, and a horizontal plate is arranged at the top end of the vertical plate; the horizontal plate is provided with a door-shaped frame in a sliding mode, the horizontal plate is vertically and rotatably provided with a first lead screw, and the first lead screw penetrates through the door-shaped frame and is in threaded fit with the door-shaped frame; a first repressing mechanism is arranged on the bottom plate; a second repressing mechanism is arranged on the pressure applying bar; and a tensioning mechanism is arranged between the vertical plate and the bearing plate. When the sheet metal bending deformation processing die is used for bending and shaping the sheet metal, pressure with constant size and direction perpendicular to the surface of the sheet metal can be applied to the edge of the sheet metal, so that the sheet metal is prevented from rebounding; and the shape of the material can not be damaged when the material is taken.
Description
Technical Field
The invention belongs to the technical field of plate processing, and particularly relates to a bending deformation processing die for a metal plate.
Background
The metal plate is a common building component and manufacturing and processing accessory, and in the actual use process, the metal plate needs to be processed into different shapes. In the actual manufacturing process, when the sheet metal material is bent and deformed by die stamping, the following problems may occur: (1) because the metal sheet is light, after the metal sheet is stamped by the die, the sheet can be tightly attached to the surface of the die under the action of air pressure because the air between the sheet and the die is exhausted, and the stamped sheet needs to be manually taken down at the moment, so that the shape of the sheet is easily damaged in the manual taking-down process, and the forming quality is reduced; (2) when the existing die is used for punch forming of a metal sheet, the pressure direction and the pressure size of the metal sheet are uneven, so that the phenomenon that the formed metal sheet is partially rebounded after the punching is finished is caused, and the forming quality of the metal sheet is also reduced.
Disclosure of Invention
Technical problem to be solved
The invention provides a metal plate bending deformation processing die, which aims to solve the following problems existing in the prior art when a metal plate is subjected to bending deformation through die stamping: (1) because the metal sheet is light, after the metal sheet is stamped by the die, the sheet can be tightly attached to the surface of the die under the action of air pressure because the air between the sheet and the die is exhausted, and the stamped sheet needs to be manually taken down at the moment, so that the shape of the sheet is easily damaged in the manual taking-down process, and the forming quality is reduced; (2) when the existing die is used for punch forming of a metal sheet, the pressure direction and the pressure size of the metal sheet are uneven, so that the phenomenon that the formed metal sheet is partially rebounded after the punching is finished is caused, and the forming quality of the metal sheet is also reduced.
(II) technical scheme
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a sheet metal bending deformation mold processing, includes the horizontally bottom plate, vertical fixed mounting has four guide bars on the bottom plate, and horizontal fixed mounting has a bearing plate on two guide bars, and vertical slidable mounting has one to be located bearing plate top and be on a parallel with the pressure plate of exerting oneself of bearing plate on two guide bars. Two pressure-bearing strips which are the same in shape and size and correspond in position are fixedly installed between the two pressure-bearing plates, and two pressure-applying strips which are matched with the pressure-bearing strips and correspond in position are fixedly installed between the two pressure-applying plates. The front end and the rear end of the bottom plate are fixedly provided with vertical plates, and the top ends of the vertical plates are fixedly provided with horizontal plates. The horizontal plate is vertically penetrated with a door-shaped frame in a sliding way, and the bottom end of the door-shaped frame is fixedly connected with the top surface of the pressure applying plate. A first lead screw is vertically and rotatably arranged on the horizontal plate, penetrates through the door-shaped frame and is in threaded fit with the door-shaped frame. The bottom plate is provided with a first repressing mechanism. And a second repressing mechanism is arranged on the pressure applying bar. And a tensioning mechanism is arranged between the vertical plate and the bearing plate. When the metal sheet is bent and shaped, the metal sheet firstly passes through the tensioning mechanism, so that the metal sheet is positioned between the pressure bearing strip and the pressure applying strip and is in a horizontal tensioning state. The first screw rod is rotated to drive the door-shaped frame to push the pressing plate downwards, the pressing plate and the pressing strip synchronously move downwards, and the pressing strip pushes the edge of the metal sheet in a tensioning state downwards until the pressing strip presses the edge of the metal sheet against the upper surface of the pressure-bearing strip, so that the edge of the metal sheet is bent and shaped. Carrying out re-pressing and shaping on the middle part of the metal sheet through a first re-pressing mechanism; carry out the repressing to the bar upper surface of exerting pressure through second repressing mechanism to carry out the repressing to sheet metal material edge.
The first re-pressing mechanism comprises a slide bar, a limiting rod, a first installation shaft, a second installation shaft, a pressure bearing roller, a pressure applying roller, a support bar, a second lead screw and a reciprocating motor. The horizontal sliding installation of draw runner is at the bottom plate top surface, and the vertical fixed mounting in pressure-bearing strip and the strip both sides of exerting pressure has two gag lever posts on the draw runner. A first mounting shaft and a second mounting shaft are vertically matched between the two limiting rods in a sliding manner. The first installation axle level runs through two pressure-bearing strips and with pressure-bearing strip sliding fit, the second installation axle level runs through two pressure strips and with pressure strip sliding fit. The second mounting shaft is located at a position right above the first mounting shaft. The first installation shaft is rotatably provided with a pressure bearing roller, and the second installation shaft is rotatably provided with a pressure applying roller parallel to the pressure bearing roller. The pressure-bearing roller is tangent to the upper surface of the pressure-bearing strip, and the pressure-applying roller is tangent to the lower surface of the pressure-applying strip. The bottom plate level fixed mounting has two support bars, and along draw runner slip direction fixed mounting have the rigidity pole that runs through the draw runner between two support bars, rotate between two support bars and install the second lead screw that is on a parallel with the rigidity pole, the second lead screw passes through screw thread normal running fit with the draw runner. And the support bar is fixedly provided with a reciprocating motor, and the output end of the reciprocating motor is fixedly connected with the end part of the second lead screw. And in the process that the pressing strip moves downwards, the second mounting shaft is driven to synchronously slide downwards along the pressing roller along the limiting rod, and when the edge of the metal sheet is pressed on the upper surface of the pressure bearing strip by the pressing strip, the middle part of the metal sheet is also pressed on the surface of the pressure bearing roller by the pressing roller. The reciprocating motor drives the second screw rod to rotate, so that the slide bar and the limiting rod are driven to horizontally move. In the horizontal moving process of the limiting rod, the first installation shaft is driven to slide along the pressure bearing strip, and the second installation shaft is driven to slide along the pressure applying strip. Thereby driving the pressure bearing roller and the pressure applying roller to carry out the repressing to the middle part of the sheet metal along the surface of the sheet metal.
As a preferred technical scheme of the invention, the second repressing mechanism comprises a guide plate, a sliding block, a telescopic rod, a hinged frame, a pressing wheel, a supporting spring and a roller. The guide plate is parallel to the pressing strip and is fixedly arranged above the pressing strip through a connecting rod. The sliding fit is provided with a sliding block on the guide plate, the bottom surface of the sliding block is provided with a telescopic rod along the radial sliding fit of the guide plate, the bottom end of the telescopic rod is fixedly provided with a hinged frame, and the hinged frame is rotatably provided with a pressing wheel in rolling fit with the upper surface of the pressing strip. A supporting spring sleeved on the telescopic rod is arranged between the hinged frame and the bottom surface of the sliding block. The slide block is provided with a roller which is matched with the top surface of the guide plate in a rolling way through a bracket. After the edge of the metal sheet is tightly pressed on the upper surface of the bearing strip by the pressing strip, the sliding block is driven to slide along the guide plate by pushing the roller to roll on the top surface of the guide plate; the elastic force of the supporting spring exerts pressure on the hinge frame along the radial direction of the metal sheet, so that the pressure on the upper surface of the pressing strip along the radial direction of the metal sheet is exerted through the pressing wheel. Because the guide plate is parallel to the pressing strip, the pressure applied to the upper surface of the pressing strip is constant in the process that the pressing wheel rolls along with the hinged frame, the telescopic rod and the sliding block, and the direction of the pressure is always vertical to the metal sheet.
As a preferred technical scheme of the invention, a guide groove is formed in the guide plate, and limiting blocks in sliding fit with the guide groove are fixedly arranged on two sides of the sliding block. The top surface and the bottom surface of the limiting block are provided with rolling balls which are in rolling fit with the top surface and the bottom surface of the guide groove. In the sliding process of the sliding block on the guide plate, the balls are always in a rolling state with the top surface and the bottom surface of the guide groove, so that the friction force between the sliding block and the guide groove is reduced, the sliding block is prevented from shaking due to the influence of the friction force, and the pressure applied to the upper surface of the pressure applying strip by the pressure wheel is always perpendicular to the metal sheet.
As a preferable aspect of the present invention, the tension mechanism includes a mounting plate, a first tension roller, and a second tension roller. The quantity of mounting panel is two, and mounting panel fixed mounting is at the bottom plate top surface. And a first tensioning roller and a second tensioning roller which are parallel to the pressure bearing roller are horizontally and rotatably arranged between the two mounting plates. The first tension roller is located at a position directly above the second tension roller. The shaft of the second tension roller slides up and down along the mounting plate. The surface of the first tensioning roller is made of iron materials, and the surface of the second tensioning roller is made of magnet materials. And the tension is applied to the metal sheet through the magnetic action between the first tension roller and the second tension roller, so that the metal sheet is ensured to be in a horizontal tension state before being pressed and deformed.
As a preferred technical scheme of the invention, a first air groove is formed in the pressure-bearing strip, and an air pump communicated with the first air groove is installed on the pressure-bearing plate. A plurality of second air grooves communicated with the first air grooves are uniformly formed in the upper surface of the pressure-bearing strip. A sealing block is in sliding fit in the second air groove, and a return spring is arranged between the bottom surface of the sealing block and the wall of the first air groove. After the edge of the metal sheet is pressed on the upper surface of the bearing strip by the pressing strip, air is pumped from the first air groove through the air pump, the sealing block slides along the second air groove under the action of air pressure and compresses the return spring until the first air groove is communicated with the second air groove, the metal sheet is pressed on the upper surface of the bearing strip through the action of air pressure, and the metal sheet is ensured not to move in the pressing process of the first pressing mechanism and the second pressing mechanism. After the repressing is finished, the pressing bar is driven by the first lead screw to move upwards, the air pump blows air into the first air groove, the sealing block moves upwards along the second air groove under the elastic force action of the return spring and moves out of the second air groove under the action of the inertia force, and the metal sheet on the upper surface of the pressure-bearing strip is jacked upwards.
As a preferable technical solution of the present invention, a sponge block is fixedly installed on the top surface of the sealing block to buffer the impact force between the sealing block and the metal sheet, so as to ensure that the metal sheet does not deform.
(III) advantageous effects
The invention has at least the following beneficial effects:
(1) the bending deformation processing die for the metal sheet solves the following problems existing in the prior art when the metal sheet is bent and shaped by die stamping: after the metal sheet is stamped by the die, the sheet is tightly attached to the surface of the die under the action of air pressure, and the shape of the sheet is easily damaged in the process of manually taking the sheet down, so that the forming quality is reduced; when the existing die is used for punch forming of a metal sheet, the pressure direction and the pressure size of the metal sheet are uneven, so that the phenomenon that the formed metal sheet is partially rebounded after the punching is finished is caused, and the forming quality of the metal sheet is also reduced.
(2) The bending deformation processing die for the metal sheet carries out bending shaping on the edges of two sides of the metal sheet through the mutual matching of the pressing strip and the bearing strip, and carries out repressing shaping on the middle part of the metal sheet through the mutual matching of the bearing roller and the pressing roller, so that the contact area of the metal sheet with the pressing strip and the bearing strip after shaping is smaller, the metal sheet can not be tightly attached to the pressing strip and the bearing strip under the action of air pressure, an operator can take the metal sheet down conveniently, and the shape of the metal sheet is prevented from being damaged in the material taking process.
(3) According to the metal sheet bending deformation processing die, the pressing wheel of the second repressing mechanism is used for applying the pressure along the radial direction to the upper surface of the pressing strip, so that the pressure applied to the metal sheet is constant and the direction of the pressure is always vertical to the surface of the metal sheet, and the edge of the formed metal sheet is repressed to avoid the rebound of the metal sheet.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of a bending deformation processing mold for a metal plate according to an embodiment of the present invention;
FIG. 2 is a side view of a sheet metal bending deformation tooling die in an embodiment of the present invention;
FIG. 3 is an enlarged view of a bending deformation processing die A for a metal plate according to an embodiment of the present invention;
FIG. 4 is a schematic view of a part of the internal structure of a pressure-bearing strip of a bending deformation processing die for a metal plate according to an embodiment of the present invention;
fig. 5 is a schematic view of a part of the internal structure of the second re-pressing mechanism of the bending deformation processing die for metal plates in the embodiment of the invention.
In the figure: 1-bottom plate, 2-guide rod, 3-bearing plate, 4-pressing plate, 5-bearing strip, 6-pressing strip, 7-vertical plate, 8-horizontal plate, 9-door frame, 10-first lead screw, 11-first re-pressing mechanism, 111-sliding strip, 112-limiting rod, 113-first mounting shaft, 114-second mounting shaft, 115-bearing roller, 116-pressing roller, 117-supporting bar, 118-second lead screw, 119-reciprocating motor, 12-second re-pressing mechanism, 121-guide plate, 122-sliding block, 123-telescopic rod, 124-hinged frame, 125-pressing roller, 126-supporting spring, 127-rolling roller, 128-limiting block, 129-rolling ball, 13-tensioning mechanism, 131-a mounting plate, 132-a first tensioning roller, 133-a second tensioning roller, 14-a first air groove, 15-an air pump, 16-a second air groove, 17-a sealing block, 18-a return spring and 19-a sponge block.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 5, the present embodiment provides a sheet metal bending deformation processing mold, which includes a horizontal bottom plate 1, four guide rods 2 are vertically and fixedly mounted on the bottom plate 1, a pressure-bearing plate 3 is horizontally and fixedly mounted on two guide rods 2, and a pressure-applying plate 4 located above the pressure-bearing plate 3 and parallel to the pressure-bearing plate 3 is vertically and slidably mounted on two guide rods 2. Two pressure-bearing strips 5 which are the same in shape and size and correspond in position are fixedly installed between the two pressure-bearing plates 3, and two pressure-bearing strips 6 which are matched with the pressure-bearing strips 5 and correspond in position are fixedly installed between the two pressure-applying plates 4. The front end and the rear end of the bottom plate 1 are fixedly provided with vertical plates 7, and the top ends of the vertical plates 7 are fixedly provided with horizontal plates 8. A door-shaped frame 9 vertically penetrates through the horizontal plate 8 in a sliding mode, and the bottom end of the door-shaped frame 9 is fixedly connected with the top surface of the pressing plate 4. A first lead screw 10 is vertically and rotatably arranged on the horizontal plate 8, and the first lead screw 10 penetrates through the door-shaped frame 9 and is in threaded fit with the door-shaped frame 9. The first repressing mechanism 11 is arranged on the bottom plate 1. The second repressing mechanism 12 is arranged on the pressure applying strip 6. A tensioning mechanism 13 is arranged between the vertical plate 7 and the bearing plate 3. When the sheet metal is bent and shaped, the sheet metal firstly passes through the tensioning mechanism 13, so that the sheet metal is positioned between the pressure bearing strip 5 and the pressure applying strip 6 and is in a horizontal tensioning state. The first lead screw 10 is rotated to drive the door-shaped frame 9 to push the pressing plate 4 downwards, the pressing plate 4 and the pressing strip 6 synchronously move downwards, the pressing strip 6 pushes the edge of the metal sheet in a tensioning state downwards until the pressing strip 6 presses the edge of the metal sheet against the upper surface of the bearing strip 5, and therefore bending and shaping of the edge of the metal sheet are completed. Carrying out re-pressing and shaping on the middle part of the sheet metal through a first re-pressing mechanism 11; the upper surface of the pressure applying strip 6 is repressed through the second repressing mechanism 12, so that the edge of the sheet metal material is repressed.
The first repressing mechanism 11 comprises a slide bar 111, a limiting rod 112, a first mounting shaft 113, a second mounting shaft 114, a pressure roller 115, a pressure roller 116, a supporting bar 117, a second lead screw 118 and a reciprocating motor 119. The slide bar 111 is horizontally installed on the top surface of the bottom plate 1 in a sliding manner, and two limiting rods 112 are vertically and fixedly installed on the slide bar 111 at two sides of the pressure bearing bar 5 and the pressure applying bar 6. A first mounting shaft 113 and a second mounting shaft 114 are vertically and slidably fitted between the two limiting rods 112. The first mounting shaft 113 horizontally penetrates the two pressure bearing bars 5 and is in sliding fit with the pressure bearing bars 5, and the second mounting shaft 114 horizontally penetrates the two pressure applying bars 6 and is in sliding fit with the pressure applying bars 6. The second mounting shaft 114 is located directly above the first mounting shaft 113. A backing roller 115 is rotatably mounted on the first mounting shaft 113, and a pressing roller 116 parallel to the backing roller 115 is rotatably mounted on the second mounting shaft 114. The pressure roller 115 is tangent to the upper surface of the pressure strip 5, and the pressure roller 116 is tangent to the lower surface of the pressure strip 6. Two supporting bars 117 are horizontally and fixedly installed on the bottom plate 1, a rigid rod penetrating through the sliding bar 111 is fixedly installed between the two supporting bars 117 along the sliding direction of the sliding bar 111, a second lead screw 118 parallel to the rigid rod is rotatably installed between the two supporting bars 117, and the second lead screw 118 is rotatably matched with the sliding bar 111 through threads. A reciprocating motor 119 is fixedly mounted on the support bar 117, and the output end of the reciprocating motor 119 is fixedly connected with the end of a second lead screw 118. In the process that the pressing bar 6 moves downwards, the second mounting shaft 114 and the pressing roller 116 are driven to synchronously slide downwards along the limiting rod 112, when the edge of the sheet metal material is pressed on the upper surface of the bearing bar 5 by the pressing bar 6, the middle part of the sheet metal material is also pressed on the surface of the bearing roller 115 by the pressing roller 116. The reciprocating motor 119 drives the second lead screw 118 to rotate, so as to drive the slide bar 111 and the limiting rod 112 to move horizontally. In the process of horizontal movement of the limiting rod 112, the first mounting shaft 113 is driven to slide along the pressure bearing bar 5, and the second mounting shaft 114 is driven to slide along the pressure applying bar 6. Thereby bringing the backing roller 115 and the pressure roller 116 to re-press the intermediate portion thereof along the surface of the sheet metal material.
In the present embodiment, the second repressing mechanism 12 comprises a guide plate 121, a sliding block 122, a telescopic rod 123, an articulated frame 124, a pressing wheel 125, a supporting spring 126 and a roller 127. The guide plate 121 and the pressing strip 6 are parallel to each other and fixedly mounted above the pressing strip 6 through a connecting rod. A sliding block 122 is slidably fitted on the guide plate 121, an expansion link 123 is slidably fitted on the bottom surface of the sliding block 122 along the radial direction of the guide plate 121, a hinge frame 124 is fixedly mounted at the bottom end of the expansion link 123, and a pressing wheel 125 which is in rolling fit with the upper surface of the pressing strip 6 is rotatably mounted on the hinge frame 124. A supporting spring 126 sleeved on the telescopic rod 123 is arranged between the hinged frame 124 and the bottom surface of the sliding block 122. The slider 122 is rotatably mounted with a roller 127 which is in rolling engagement with the top surface of the guide plate 121 via a bracket. After the edge of the metal sheet is pressed on the upper surface of the pressure bearing strip 5 by the pressure applying strip 6, the sliding block 122 is driven to slide along the guide plate 121 by pushing the roller 127 to roll on the top surface of the guide plate 121; the supporting spring 126 elastically applies a pressing force in the radial direction of the sheet metal to the hinge bracket 124, thereby applying a pressing force in the radial direction of the sheet metal to the upper surface of the pressing bar 6 via the pressing roller 125. Because the guide plate 121 and the pressing strip 6 are parallel to each other, the pressure applied to the upper surface of the pressing strip 6 by the pressing wheel 125 is constant in magnitude and always perpendicular to the sheet metal material in the process that the pressing wheel rolls along with the hinged frame 124, the telescopic rod 123 and the sliding block 122.
In this embodiment, a guide groove is formed in the guide plate 121, and two sides of the slider 122 are fixedly provided with a limit block 128 in sliding fit with the guide groove. The stopper 128 is provided with balls 129 on its top and bottom surfaces for rolling engagement with the top and bottom surfaces of the guide groove. In the sliding process of the sliding block 122 on the guide plate 121, the balls 129 are always in a rolling state with the top surface and the bottom surface of the guide groove, so that the friction force between the sliding block and the guide groove is reduced, the sliding block 122 is prevented from shaking due to the influence of the friction force, and the pressure applied by the pressing wheel 125 to the upper surface of the pressing strip 6 is ensured to be always perpendicular to the metal sheet.
In the present embodiment, the tension mechanism 13 includes a mounting plate 131, a first tension roller 132, and a second tension roller 133. The number of the mounting plates 131 is two, and the mounting plates 131 are fixedly mounted on the top surface of the bottom plate 1. A first tension roller 132 and a second tension roller 133 are horizontally rotatably installed between the two mounting plates 131 in parallel with the backing roller 115. The first tension roller 132 is located at a position directly above the second tension roller 133. The shaft of the second tension roller 133 slides up and down along the mounting plate 131. The first tension roller 132 has a ferrous material on the surface thereof, and the second tension roller 133 has a magnet material on the surface thereof. Tension is applied to the thin metal plate material by the magnetic force between the first tension roller 132 and the second tension roller 133, and the thin metal plate material is ensured to be in a horizontally tensioned state before being deformed by pressure.
In this embodiment, a first air groove 14 is formed in the pressure-bearing strip 5, and an air pump 15 communicated with the first air groove 14 is installed on the pressure-bearing plate 3. The upper surface of the pressure-bearing strip 5 is uniformly provided with a plurality of second air grooves 16 communicated with the first air grooves 14. A sealing block 17 is in sliding fit in the second air groove 16, and a return spring 18 is arranged between the bottom surface of the sealing block 17 and the groove wall of the first air groove 14. After the edge of the metal sheet is pressed on the upper surface of the pressure-bearing strip 5 by the pressing bar 6, air is pumped from the first air groove 14 by the air pump 15, the sealing block 17 slides along the second air groove 16 under the action of air pressure and compresses the return spring 18 until the first air groove 14 is communicated with the second air groove 16, the metal sheet is pressed on the upper surface of the pressure-bearing strip 5 under the action of air pressure, and the metal sheet is ensured not to move in the re-pressing process of the first re-pressing mechanism 11 and the second re-pressing mechanism 12. After the repressing is finished, the first lead screw 10 drives the pressing bar 6 to move upwards, the air pump 15 blows air into the first air groove 14, the sealing block 17 moves upwards along the second air groove 16 under the elastic force of the return spring 18, moves out of the second air groove 16 under the action of the inertia force, and the metal sheet on the upper surface of the pressing bar 5 is jacked upwards. The top surface of the sealing block 17 is fixedly provided with a sponge block 19 to buffer the impact force between the sealing block 17 and the sheet metal material, so as to ensure that the sheet metal material cannot deform.
The metal plate bending deformation processing die of the embodiment comprises the following specific processing steps: when the sheet metal is bent and shaped, the sheet metal firstly passes through the tensioning mechanism 13, so that the sheet metal is positioned between the pressure bearing strip 5 and the pressure applying strip 6 and is in a horizontal tensioning state. The first lead screw 10 is rotated to drive the door-shaped frame 9 to push the pressing plate 4 downwards, the pressing plate 4 and the pressing strip 6 synchronously move downwards, the pressing strip 6 pushes the edge of the metal sheet in a tensioning state downwards until the pressing strip 6 presses the edge of the metal sheet against the upper surface of the bearing strip 5, and therefore bending and shaping of the edge of the metal sheet are completed. The air pump 15 is used for sucking air from the first air groove 14, the sealing block 17 slides along the second air groove 16 under the action of air pressure and compresses the return spring 18 until the first air groove 14 is communicated with the second air groove 16, and the sheet metal material is pressed on the upper surface of the pressure bearing strip 5 under the action of air pressure. Carrying out re-pressing and shaping on the middle part of the sheet metal through a first re-pressing mechanism 11; the upper surface of the pressure applying strip 6 is repressed through the second repressing mechanism 12, so that the edge of the sheet metal material is repressed. After the repressing is finished, the pressing bar 6 is driven by the first lead screw 10 to move upwards, air is blown into the first air groove 14 through the air pump 15, the sealing block 17 and the sponge block 19 move upwards along the second air groove 16 under the elastic action of the return spring 18 and move out of the second air groove 16 under the action of inertia force, the sponge block 19 jacks up the metal sheet on the upper surface of the pressure-bearing bar 5, and finally the metal sheet is taken down.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a sheet metal bending deformation mold processing which characterized in that: the metal plate bending deformation processing die comprises a horizontal bottom plate (1), four guide rods (2) are vertically and fixedly mounted on the bottom plate (1), a pressure bearing plate (3) is horizontally and fixedly mounted on the two guide rods (2), and a pressing plate (4) which is positioned above the pressure bearing plate (3) and is parallel to the pressure bearing plate (3) is vertically and slidably mounted on the two guide rods (2); two pressure-bearing strips (5) which are the same in shape and size and correspond to each other in position are fixedly arranged between the two pressure-bearing plates (3), and two pressure-applying strips (6) which are matched with the pressure-bearing strips (5) and correspond to each other in position are fixedly arranged between the two pressure-applying plates (4); the front end and the rear end of the bottom plate (1) are fixedly provided with vertical plates (7), and the top ends of the vertical plates (7) are fixedly provided with horizontal plates (8); a door-shaped frame (9) vertically penetrates through the horizontal plate (8) in a sliding mode, and the bottom end of the door-shaped frame (9) is fixedly connected with the top surface of the pressing plate (4); a first lead screw (10) is vertically and rotatably arranged on the horizontal plate (8), and the first lead screw (10) penetrates through the door-shaped frame (9) and is in threaded fit with the door-shaped frame (9); a first repressing mechanism (11) is arranged on the bottom plate (1); a second repressing mechanism (12) is arranged on the pressure applying bar (6); a tensioning mechanism (13) is arranged between the vertical plate (7) and the bearing plate (3);
the first repressing mechanism (11) comprises a slide bar (111), a limiting rod (112), a first mounting shaft (113), a second mounting shaft (114), a pressure bearing roller (115), a pressing roller (116), a supporting bar (117), a second lead screw (118) and a reciprocating motor (119); the sliding strip (111) is horizontally and slidably arranged on the top surface of the bottom plate (1), and two limiting rods (112) are vertically and fixedly arranged on the sliding strip (111) and positioned on two sides of the pressure-bearing strip (5) and the pressure-applying strip (6); a first mounting shaft (113) and a second mounting shaft (114) are vertically matched between the two limiting rods (112) in a sliding manner; the first mounting shaft (113) horizontally penetrates through the two pressure bearing strips (5) and is in sliding fit with the pressure bearing strips (5), and the second mounting shaft (114) horizontally penetrates through the two pressure applying strips (6) and is in sliding fit with the pressure applying strips (6); the second mounting shaft (114) is positioned right above the first mounting shaft (113); a pressure bearing roller (115) is rotatably arranged on the first mounting shaft (113), and a pressing roller (116) parallel to the pressure bearing roller (115) is rotatably arranged on the second mounting shaft (114); the pressure bearing roller (115) is tangent to the upper surface of the pressure bearing strip (5), and the pressure applying roller (116) is tangent to the lower surface of the pressure applying strip (6); two supporting bars (117) are horizontally and fixedly installed on the bottom plate (1), a rigid rod penetrating through the sliding bar (111) is fixedly installed between the two supporting bars (117) along the sliding direction of the sliding bar (111), a second lead screw (118) parallel to the rigid rod is rotatably installed between the two supporting bars (117), and the second lead screw (118) is rotatably matched with the sliding bar (111) through threads; and a reciprocating motor (119) is fixedly mounted on the support bar (117), and the output end of the reciprocating motor (119) is fixedly connected with the end part of the second lead screw (118).
2. The sheet metal bending deformation processing die of claim 1, wherein: the second re-pressing mechanism (12) comprises a guide plate (121), a sliding block (122), a telescopic rod (123), a hinged frame (124), a pressing wheel (125), a supporting spring (126) and a roller (127); the guide plate (121) and the pressing strip (6) are parallel to each other and are fixedly arranged above the pressing strip (6) through a connecting rod; a sliding block (122) is slidably matched on the guide plate (121), a telescopic rod (123) is slidably matched on the bottom surface of the sliding block (122) along the radial direction of the guide plate (121), a hinged frame (124) is fixedly installed at the bottom end of the telescopic rod (123), and a pressing wheel (125) which is in rolling fit with the upper surface of the pressing strip (6) is rotatably installed on the hinged frame (124); a supporting spring (126) sleeved on the telescopic rod (123) is arranged between the hinged frame (124) and the bottom surface of the sliding block (122); the sliding block (122) is provided with a roller (127) which is matched with the top surface of the guide plate (121) in a rolling way through a bracket.
3. The sheet metal bending deformation processing die of claim 2, wherein: a guide groove is formed in the guide plate (121), and two sides of the sliding block (122) are fixedly provided with limit blocks (128) in sliding fit with the guide groove; and the top surface and the bottom surface of the limiting block (128) are provided with rolling balls (129) which are in rolling fit with the top surface and the bottom surface of the guide groove.
4. The sheet metal bending deformation processing die of claim 1, wherein: the tensioning mechanism (13) comprises a mounting plate (131), a first tensioning roller (132) and a second tensioning roller (133); the number of the mounting plates (131) is two, and the mounting plates (131) are fixedly mounted on the top surface of the bottom plate (1); a first tensioning roller (132) and a second tensioning roller (133) which are parallel to the pressure bearing roller (115) are horizontally and rotatably arranged between the two mounting plates (131); the first tension roller (132) is located at a position directly above the second tension roller (133); the shaft of the second tension roller (133) slides up and down along the mounting plate (131); the surface of the first tensioning roller (132) is made of ferrous materials, and the surface of the second tensioning roller (133) is made of magnet materials.
5. The sheet metal bending deformation processing die of claim 1, wherein: a first air groove (14) is formed in the pressure bearing strip (5), and an air pump (15) communicated with the first air groove (14) is installed on the pressure bearing plate (3); the upper surface of the pressure-bearing strip (5) is uniformly provided with a plurality of second air grooves (16) communicated with the first air grooves (14); a sealing block (17) is in sliding fit in the second air groove (16), and a return spring (18) is arranged between the bottom surface of the sealing block (17) and the wall of the first air groove (14).
6. The sheet metal bending deformation processing die of claim 5, wherein: and a sponge block (19) is fixedly arranged on the top surface of the sealing block (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010611199.7A CN111702082B (en) | 2020-06-30 | 2020-06-30 | Sheet metal bending deformation mold processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010611199.7A CN111702082B (en) | 2020-06-30 | 2020-06-30 | Sheet metal bending deformation mold processing |
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| CN111702082A CN111702082A (en) | 2020-09-25 |
| CN111702082B true CN111702082B (en) | 2022-03-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202188263U (en) * | 2011-08-12 | 2012-04-11 | 天津二十冶建设有限公司 | Leakage-mending structure for weld joint of middle-caliber or large-caliber confined water pipeline containing water and pressure |
| CN203018646U (en) * | 2012-11-19 | 2013-06-26 | 大连民族学院 | Digitally controlled bending press machine |
| DE102015121664B4 (en) * | 2015-12-11 | 2024-01-18 | Hochschule Heilbronn | Device for the forming production of sheet metal parts and method for producing a sheet metal part |
| KR101968415B1 (en) * | 2017-09-12 | 2019-04-11 | 부산대학교 산학협력단 | The thick plate forming apparatus having large surface for blade |
| CN108568465A (en) * | 2018-06-14 | 2018-09-25 | 广州市沙唯士电子科技有限公司 | A kind of sheet metal processing bending apparatus |
| CN110496906A (en) * | 2019-08-13 | 2019-11-26 | 常州明杰重工科技股份有限公司 | Arc limb compacting tool set |
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Effective date of registration: 20220225 Address after: 523850 Room 101, No. 6, Xixi Tianyuan street, Liaobu Town, Dongguan City, Guangdong Province Applicant after: DONGGUAN SYNERGY MATERIAL Co.,Ltd. Address before: 230009 No.193 Tunxi Road, Baohe District, Hefei City, Anhui Province (Hefei University of Technology) Applicant before: Liu Jing |
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Denomination of invention: A Kind of Metal Plate Bending and Deformation Processing Mold Effective date of registration: 20230602 Granted publication date: 20220318 Pledgee: Ping An Bank Co.,Ltd. Dongguan Branch Pledgor: DONGGUAN SYNERGY MATERIAL Co.,Ltd. Registration number: Y2023980042696 |