CN2719440Y - Metal plate bending apparatus - Google Patents

Abstract

A sheet metal bending equipment, comprising a machine base with a workbench, a pair of first pivot shafts, a pair of first gears, a rack drive mechanism, a first bending mechanism, a positioning and pressing mechanism and A pair of racks, a pair of first vertical plates extending upwards from both sides of the workbench; the pair of first pivot shafts are respectively pivotally mounted on the pair of first vertical plates; the positioning and pressing mechanism is fixed on the work base Above the table, it includes a positioning block that can reciprocate above the worktable; the first bending mechanism is fixed on the pair of first pivot shafts, and it includes a first driving device and a rotatable device mounted on the first The first rolling wheel that drives the end of the equipment and can reciprocate above the workbench; the pair of first gears are respectively installed on the other end of the pair of first pivot shafts, and the pair of racks are respectively slidably installed on the pair of first pivot shafts. One side of a vertical plate, and intermeshed with the pair of first gears; the pair of racks are respectively connected with the ends of the rack drive mechanism.

Description

Sheet metal bending equipment

【Technical field】

The utility model relates to a metal plate bending equipment, in particular to a metal plate bending equipment capable of bending a metal plate with a large thickness and high hardness into a smooth transitional arc.

【technical background】

In the manufacturing process, it is often necessary to bend the metal sheet into a preset smooth transition arc. For the metal sheet with high hardness, the existing bending equipment cannot bend it.

Such as Chinese Patent No. 02288591, which discloses a bending device for manufacturing C-shaped parts in plastic-steel door and window hardware. The rod and the bending transmission mechanism fixed on the lower base plate opposite to it; the transmission mechanism includes a gear rod opposite to the push rod, a large gear fixed on the same shaft as the gear rod and a pinion gear meshed with it, and the pinion gear is fixed The swing arm and its balance wheel on the same axis, and the upper die opposite to the balance wheel, have a gap suitable for the thickness of the workpiece between the balance wheel and the upper die; when working, the upper base plate and push rod move with the stamping machine tool And move up and down, promote the racket, bull gear, pinion, swing arm and balance wheel motion of bending transmission mechanism, the workpiece between balance wheel and upper die just rolls and bends to be the C shape piece of 90 °. The bending device is more suitable for bending thin and soft plates, but the bending device cannot bend the metal plates with larger thickness and higher hardness, and even if it is forced to bend, it will not meet the requirements of the bending process.

Therefore, it is an urgent problem to be solved in the industry to provide a metal sheet bending device capable of bending a thick metal sheet into a smooth transitional arc.

【Content of invention】

The purpose of the utility model is to provide a metal plate bending equipment that can bend a metal plate with a large thickness and high hardness into a smooth transitional arc.

The metal plate bending equipment of the utility model includes a machine base, a rack driving mechanism, a first bending mechanism, a positioning and pressing mechanism, a driving gear, a transmission gear and a rack mechanism; wherein the machine There is a mounting plate on the top of the seat, the rack drive mechanism is mounted on one end of the mounting plate, and a worktable is extended upwards from the other end of the mounting plate, a working surface is provided on the top of the workbench, and a pair of A first vertical plate, and a pair of second vertical plates are symmetrically arranged between the pair of first vertical plates and the workbench, and the rack drive mechanism is installed on the machine base at the other end opposite to the workbench; a pair of The first pivot shaft can be pivotably installed on the pair of first vertical board and the second vertical board respectively; the positioning and pressing mechanism is fixed above the workbench of the machine base, and it includes a pressing force driving device and a device fixed on the The pressing force drives the positioning block at the end of the device and can reciprocate above the workbench; the two ends of the first bending mechanism are respectively fixed on the pair of first pivot shafts, which includes a first driving device and a rotatable A first rolling wheel installed at the end of the first driving device and capable of reciprocating movement above the workbench; the pair of first gears are respectively installed on the other end of the pair of first pivot shafts, and the pair of racks are respectively slidable It is installed between the pair of first vertical plates and the second vertical plate, and is in mesh with the pair of first gears; the pair of racks are respectively connected with the end of the first rack driving mechanism.

According to the above-mentioned embodiment, the sheet metal bending equipment of the present invention can bend the sheet metal with larger thickness and higher hardness that needs to be bent into a smooth transitional arc.

【Description of drawings】

The utility model will be further described below in conjunction with the embodiments with reference to the accompanying drawings.

Fig. 1 is a front view of the metal plate bending equipment of the present invention.

Fig. 2 is a left view of the metal plate bending equipment of the present invention.

Fig. 3 is a top view of the metal plate bending equipment of the present invention.

【Detailed ways】

Please refer to Fig. 1 to Fig. 3, the metal plate bending equipment of the present utility model is used for bending a metal plate 8, and the metal plate bending equipment includes a machine base 10, a rack driving mechanism 20, a first bend Folding mechanism 30, a positioning pressing mechanism 40, a second bending mechanism 50, a pair of racks 60, a pair of first gears 70, a pair of second gears 80 and a pair of transmission gears 90.

Wherein the top of the base 10 is provided with a mounting plate 110, the rack drive mechanism 20 is mounted on one end of the mounting plate 110, a workbench 120 extends upwards from the center of the other end of the mounting plate 110, and a workbench 120 is arranged on the top of the workbench 120. The working surface 121 is used to place the metal plate 8 to be bent, and the two ends of the working surface 121 are respectively designed to correspond to the curved arcs that need to be bent from the two ends of the metal plate 8 .

The two sides of the workbench 120 are provided with the same structure, and one side is used as an example to introduce here. One side of the workbench 120 is provided with a first vertical plate 140, and a second vertical plate 160 is provided between the first vertical plate 140 and the workbench 120, and the rack 60 is slidably mounted on the first vertical plate Between 140 and the second vertical plate 160, above the rack 60, a first pivot shaft 151, a second pivot shaft 152 and a third pivot shaft 153 are distributed at intervals and can be pivotally mounted on the first vertical plate respectively. 140 and the second vertical plate 160. The first gear 70 is fixed on the first pivot shaft 151, the second gear 80 is fixed on the second pivot shaft 152, and the transmission gear 90 is fixed on the third pivot shaft 153, wherein the first gear 70 can be connected to the second pivot shaft 152. The racks 60 mesh with each other, and the transmission gear 90 can mesh with the second gear 80 and the rack 60 at the same time.

The end of the rack driving mechanism 20 is connected to the pair of racks 60 , and can simultaneously drive the pair of racks 60 to reciprocate between the first vertical plate 140 and the second vertical plate 160 .

The first bending mechanism 30 includes a first driving device 310, a top wall 330, and a pair of side walls 350. The upper parts of the pair of side walls 350 are respectively fixed to both ends of the top wall 330, and the lower parts are respectively fixed to the first pivot. One end of the rotating shaft 151 extending from the second vertical plate 160, the first bending mechanism 30 can rotate synchronously with the first pivoting shaft 151; the first driving device 310 is fixed on the top wall 330, and its end is horizontally fixed by a The rotatable first rolling wheel 313 is used for bending one end of the sheet metal 8 .

The positioning and pressing mechanism 40 is installed on one side of the first bending mechanism 30, and it is vertically fixed between the pair of second vertical plates 160, and is located above the working surface 121 of the workbench 120, and is used for bending The folded metal plate 8 is pressed and fixed on the working surface 121 . The positioning and pressing mechanism 40 includes a pressing force driving device 410 connected to a positioning block 414 at one end, and the pressing force driving device 410 can drive the positioning block 414 to reciprocate above the worktable 120 .

The second bending mechanism 50 is installed on the side of the positioning pressing mechanism 40 away from the first bending mechanism 30 , and is fixed to the second pivot shaft 152 in the same manner as the first bending mechanism 30 , and It can rotate synchronously with the second pivot shaft 152 . The second bending mechanism 50 includes a second driving device 510 with a second rolling wheel 515 fixed horizontally at the end, and the second driving device 510 can drive the second rolling wheel 515 to roll the other end of the sheet metal 8 .

Before work, the first bending mechanism 30, the positioning and pressing mechanism 40 and the second bending mechanism 50 are all perpendicular to the worktable 120, the rack driving mechanism 20, the first driving device 310, and the pressing force drive Both the equipment 410 and the second driving equipment 510 are in their minimum working stroke state, and at this time, the metal sheet 8 to be bent can be placed on the working surface 121 .

When working, first the positioning and pressing mechanism 40 starts to start, and the pressing force driving device 410 drives the positioning block 414 to move toward the working surface 121 until the metal plate 8 to be bent is pressed and fixed on the working surface 121 ; Then the rack drive mechanism 20, the first drive device 310 and the second drive device 510 are started simultaneously, and the rack drive mechanism 20 drives the rack 60 to move away from the rack drive mechanism 20. At this time, the first The gear 70 correspondingly rotates counterclockwise, and at the same time drives the first pivot shaft 151 and the first bending mechanism 30 to rotate counterclockwise, and at this time the second gear 80 rotates clockwise through the transmission gear 90 , while driving the second pivot shaft 152 and the second bending mechanism 40 to rotate clockwise together; since the first driving device 310 and the second driving device 510 are also activated at the same time, the first rolling wheel 313 and When the second rolling wheel 515 rolls along the two ends of the working surface 121 respectively, it produces a pressure perpendicular to the working surface to the sheet metal 8, and the first rolling wheel 313 under the action of these two forces and the second rolling wheel 515 respectively bend the two ends of the metal sheet 8 to be bent.

After work, the rack driving mechanism 20, the first driving device 310 and the second driving device 510 return to the minimum stroke state at the same time, and then the positioning and pressing mechanism 40 also returns to the minimum stroke state, then the bent and formed The sheet metal 8 is removed from the bending device.

Claims (10)

1. A sheet metal bending equipment, comprising a base, a first pivot shaft, a first gear fixed to the first pivot shaft and a first bending mechanism, characterized in that: the sheet metal bending The equipment further includes a rack drive mechanism, a positioning and pressing mechanism, and a rack connected to the rack drive mechanism, wherein a workbench is provided at one end of the base, and a pair of first A vertical plate; the rack drive mechanism is installed on the machine base at the other end opposite to the workbench; the first pivot shaft is pivotally mounted on the pair of first vertical plates; the positioning and pressing mechanism is fixed on the machine Above the workbench of the seat, it includes a pressing force driving device and a reciprocating positioning block; the first bending mechanism is fixed on the first pivot shaft, and it includes a first driving device and a rotatable device A reciprocating first rolling wheel at the end of the first driving device; the rack is slidably mounted on the base and meshes with the first gear. 2 . The sheet metal bending equipment as claimed in claim 1 , wherein the first pivot shaft, the first gear and the rack are a pair, and are installed on two sides of the workbench respectively. 3 . 3. The metal sheet bending equipment according to claim 2, characterized in that: the metal sheet bending equipment further comprises a pair of second pivot shafts and a pair of third pivot shafts, the second pivot shafts and the third pivot shafts The rotating shaft is pivotably installed on the first vertical board at intervals. 4. The metal sheet bending equipment according to claim 3, characterized in that: the metal sheet bending equipment further comprises a pair of second gears and a pair of transmission gears, and the pair of second gears are fixed to the pair of second gears respectively. The pivot shaft: the pair of transmission gears are respectively fixed on the pair of third pivot shafts, which can mesh with the pair of racks and the pair of second gears at the same time. 5. The sheet metal bending equipment according to claim 4, characterized in that: the sheet metal bending equipment further comprises a second bending mechanism, the two ends of which are respectively fixed to the adjacent ones of the pair of second pivot shafts One end includes a second driving device and a reciprocating second rolling wheel rotatably installed at the end of the second driving device. 6. The metal sheet bending equipment according to claim 5, characterized in that: the metal sheet bending equipment further sets a pair of second vertical plates between the pair of first vertical plates and the worktable, and the pair of racks They are installed between the first vertical board and the second vertical board respectively. 7. The sheet metal bending equipment according to claim 6, characterized in that: the first pivot shaft, the second pivot shaft and the third pivot shaft are respectively pivotally mounted on the first vertical plates on both sides of the workbench with the second riser. 8. The sheet metal bending equipment as claimed in claim 7, characterized in that: a mounting plate is provided at the top of the base, the rack drive mechanism is fixed on one end of the mounting plate, and the workbench is mounted on the other end of the mounting plate Formed upwards. 9. The sheet metal bending equipment as claimed in claim 8, wherein a working surface is provided at the top of the workbench, and the two ends of the working surface correspond to the arc curve of the sheet metal to be bent. 10. The sheet metal bending equipment according to claim 9, wherein the first bending mechanism further comprises a top wall and two side walls, the first driving device is fixed on the top wall, and the two side walls The lower ends are respectively fixed to the pair of first pivot shafts.

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