Bending machine for sheet metal working

Abstract

The utility model discloses a bending machine for sheet metal working, and relates to the technical field of sheet metal working. The bending machine for sheet metal machining comprises a workbench, a bending mechanism and a positioning mechanism, and a containing groove is formed in the top of the workbench; the bending mechanism is arranged at the top of the workbench and comprises a threaded rod, a mounting block, hinge blocks, a movable rod and a bending plate, the outer wall of the threaded rod is in threaded connection with the interior of the mounting block, the hinge blocks are fixedly mounted at the top of the mounting block, and the interiors of the hinge blocks are hinged to one end of the movable rod; the bottom of the bending plate is fixedly provided with the other group of hinge blocks, and the other end of the movable rod is hinged to the interior of the other group of hinge blocks; the positioning mechanism is arranged at the top of the workbench and comprises a fixing frame and a hydraulic rod. The bending angle of the sheet metal part is adjusted, a worker does not need to frequently replace a die, operation is easy, the workload of the worker is reduced, and the flexibility and practicability of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal processing, in particular to a bending machine for sheet metal processing. Background Art

[0002] Chinese patent document CN213134584U discloses a sheet metal bending machine, including: a bearing assembly, including a base, a lower die, a support column and a load-bearing beam; a receiving groove is provided on one side of the support column, a slide groove is provided on the support column, and the slide groove is connected to the receiving groove; a fixed column is also connected to the corresponding receiving groove on the top of the support column; and a bending assembly, including a moving plate, a lifting element, a guide rail, an upper die, a pushing element, a pulley and a tension spring; one end of the lifting element is connected to the load-bearing beam; the opposite ends of the guide rail are respectively penetrated and protruded beyond the slide groove and then connected to the pulley; the pulley and the tension spring are both located in the receiving groove; one end of the tension spring is connected to the guide rail, and the other end is connected to the fixed column. The sheet metal bending machine has a simple structure and is easy to use. The guide rail is slidably connected to the support column, and the upper die is slidably connected to the guide rail. The upper die can be driven to abut against different positions of the lower die through the pushing element and the lifting element, so that different positions of the workpiece can be bent, which greatly enhances practicality and improves processing efficiency.

[0003] When the above-mentioned sheet metal bending machine is in use, the bending angle of the sheet metal is fixed, and it can only be bent to other angles by replacing the mold. The operation is relatively troublesome, which increases the workload of the staff and reduces the flexibility and practicality of the device. Utility Model Content

[0004] The utility model aims to provide a bending machine for sheet metal processing, which can solve the problem that the bending angle of the sheet metal part is fixed when the above-mentioned sheet metal bending machine is in use, and the sheet metal part can be bent to other angles only by replacing the mold, which is troublesome to operate, increases the workload of the staff, and reduces the flexibility and practicality of the device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bending machine for sheet metal processing, comprising a workbench, a bending mechanism and a positioning mechanism, a placement groove is provided on the top of the workbench; the bending mechanism is arranged on the top of the workbench, the bending mechanism comprises a threaded rod, a mounting block, a hinge block, a movable rod and a bending plate, the outer wall of the threaded rod is connected with the internal thread of the mounting block, a group of hinge blocks is fixedly installed on the top of the mounting block, the interior of the hinge block is hingedly connected to one end of the movable rod, another group of hinge blocks is fixedly installed on the bottom of the bending plate, the other end of the movable rod is hingedly connected to the interior of the other group of hinge blocks; the positioning mechanism is arranged on the top of the workbench, the positioning mechanism comprises a fixed frame and a hydraulic rod, the top of the workbench is fixedly installed with a fixed frame, and the top of the fixed frame is fixedly installed with a hydraulic rod.

[0006] Preferably, the bending mechanism also includes a reduction motor and a limit rod. The front and rear inner walls of the placement groove are rotatably mounted with bending plates through a rotating shaft. The inner walls on both sides of the placement groove are rotatably mounted with threaded rods. A reduction motor is fixedly mounted on one side of the workbench. The output shaft of the reduction motor is fixedly connected to one end of the threaded rod. The inner walls on both sides of the placement groove are fixedly mounted with limit rods. The outer walls of the limit rods are slidably connected to the inside of the mounting block. The bending angle of the sheet metal part can be adjusted according to actual needs. There is no need for staff to frequently change molds. The operation is simple and easy, which reduces the workload of staff and improves the flexibility and practicality of the device.

[0007] Preferably, the positioning mechanism also includes a lifting plate, a guide rod and a positioning roller, the free end of the hydraulic rod is fixedly connected to the top of the lifting plate, the top of the lifting plate is fixedly connected to one end of the guide rod, the outer wall of the guide rod is slidably connected to the top of the fixed frame, and a plurality of groups of positioning rollers are fixedly installed on the bottom of the lifting plate to facilitate fixing the position of the sheet metal parts, avoid offset of the sheet metal parts during the bending process, ensure the accuracy of the bending position of the sheet metal parts, and ensure the processing quality of the device.

[0008] Preferably, a buffer gasket is fixedly installed on the top of the bending plate.

[0009] Preferably, a supporting plate is fixedly mounted on the top of the workbench.

[0010] Preferably, a plurality of sets of rectangularly distributed universal wheels are fixedly mounted on the bottom of the workbench.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The sheet metal bending machine can adjust the bending angle of the sheet metal according to actual needs by using a reduction motor, a threaded rod, a limit rod, a mounting block, a hinge block, a movable rod and a bending plate. The bending angle does not require frequent mold changes by the staff. The operation is simple and easy, which reduces the workload of the staff and improves the flexibility and practicality of the device.

[0013] (2) The sheet metal bending machine, through the coordinated use of a fixed frame, a hydraulic rod, a lifting plate, a guide rod and a positioning roller, is convenient for fixing the position of the sheet metal parts, avoiding the displacement of the sheet metal parts during the bending process, ensuring the accuracy of the bending position of the sheet metal parts, and ensuring the processing quality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2It is a side view stereoscopic structural schematic diagram of the utility model;

[0017] Figure 3 This is a bottom-up three-dimensional structural diagram of the bending plate of the utility model;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the lifting plate of the utility model when viewed from above.

[0019] Figure numerals: 1. workbench; 2. placement slot; 3. bending mechanism; 301. reduction motor; 302. threaded rod; 303. limit rod; 304. mounting block; 305. hinge block; 306. movable rod; 307. bending plate; 4. buffer gasket; 5. positioning mechanism; 501. fixing frame; 502. hydraulic rod; 503. lifting plate; 504. guide rod; 505. positioning roller; 6. supporting plate; 7. universal wheel. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] See also Figure 1-4 The utility model provides a technical solution: a bending machine for sheet metal processing, comprising a workbench 1, a bending mechanism 3 and a positioning mechanism 5, a placement slot 2 is provided on the top of the workbench 1; the bending mechanism 3 is arranged on the top of the workbench 1, the bending mechanism 3 comprises a threaded rod 302, a mounting block 304, a hinge block 305, a movable rod 306 and a bending plate 307, the outer wall of the threaded rod 302 is connected with the inner thread of the mounting block 304, a group of hinge blocks 305 are fixedly installed on the top of the mounting block 304, the inner part of the hinge block 305 is connected with the movable rod 306, and the inner part of the hinge block 305 is connected with the movable rod 307. 6 is hingedly connected at one end, another set of hinge blocks 305 is fixedly installed at the bottom of the bending plate 307, and the other end of the movable rod 306 is hingedly connected to the inside of the other set of hinge blocks 305; the positioning mechanism 5 is arranged on the top of the workbench 1, and the positioning mechanism 5 includes a fixed frame 501 and a hydraulic rod 502, the top of the workbench 1 is fixedly installed with the fixed frame 501, and the top of the fixed frame 501 is fixedly installed with the hydraulic rod 502; the top of the workbench 1 is fixedly installed with a supporting plate 6; the bottom of the workbench 1 is fixedly installed with multiple sets of rectangularly distributed universal wheels 7.

[0022] The bending mechanism 3 also includes a reduction motor 301 and a limit rod 303. The front and rear inner walls of the placement groove 2 are rotatably installed with a bending plate 307, and the inner walls on both sides of the placement groove 2 are rotatably installed with a threaded rod 302. The reduction motor 301 is fixedly installed on one side of the workbench 1, and the output shaft of the reduction motor 301 is fixedly connected to one end of the threaded rod 302. The inner walls on both sides of the placement groove 2 are fixedly installed with limit rods 303, and the outer walls of the limit rods 303 are slidably connected to the inside of the mounting block 304. A buffer gasket 4 is fixedly installed on the top of the bending plate 307. The bending angle of the sheet metal part can be adjusted according to actual needs, and the staff does not need to frequently change the mold. The operation is simple and easy to use, which reduces the workload of the staff and improves the flexibility and practicality of the device.

[0023] The positioning mechanism 5 also includes a lifting plate 503, a guide rod 504 and a positioning roller 505. The free end of the hydraulic rod 502 is fixedly connected to the top of the lifting plate 503, the top of the lifting plate 503 is fixedly connected to one end of the guide rod 504, the outer wall of the guide rod 504 is slidably connected to the top of the fixed frame 501, and a plurality of groups of positioning rollers 505 are fixedly installed at the bottom of the lifting plate 503 to facilitate fixing the position of the sheet metal parts, avoid the displacement of the sheet metal parts during the bending process, ensure the accuracy of the bending position of the sheet metal parts, and ensure the processing quality of the device.

[0024] Working principle: When the device is in use, the universal wheel 7 is used to move the device to the processing site, and the sheet metal to be bent is placed on the supporting plate 6 and the bending plate 307, so that the position where the sheet metal needs to be bent is located at the junction of the bending plate 307 and the supporting plate 6, and the hydraulic rod 502 is turned on. Under the guidance of the guide rod 504, the lifting plate 503 is pushed to move downward, and the positioning roller 505 is squeezed on the sheet metal to clamp it, and the reduction motor 301 is turned on to drive the threaded rod 302 to rotate. Under the limit of the limit rod 303, the mounting block 304 is driven to move on the threaded rod 302, so that the movable rod 306 is rotated between the two sets of hinge blocks 305, and then the bending plate 307 is driven to rotate upward, and the positioning roller 505 is cooperated to bend the sheet metal. After bending to a certain angle, the reduction motor 301 is turned off to stop bending.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A bending machine for sheet metal processing, characterized in that: include: A workbench (1), wherein a placement groove (2) is provided on the top of the workbench (1); A bending mechanism (3) is arranged on the top of the workbench (1), and the bending mechanism (3) comprises a threaded rod (302), a mounting block (304), a hinge block (305), a movable rod (306) and a bending plate (307), wherein the outer wall of the threaded rod (302) is connected to the inner thread of the mounting block (304), a group of hinge blocks (305) are fixedly installed on the top of the mounting block (304), the interior of the hinge block (305) is hingedly connected to one end of the movable rod (306), another group of hinge blocks (305) is fixedly installed on the bottom of the bending plate (307), and the other end of the movable rod (306) is hingedly connected to the interior of the other group of hinge blocks (305); The positioning mechanism (5) is arranged on the top of the workbench (1), and comprises a fixing frame (501) and a hydraulic rod (502). The fixing frame (501) is fixedly installed on the top of the workbench (1), and the hydraulic rod (502) is fixedly installed on the top of the fixing frame (501).

2. A sheet metal bending machine according to claim 1, characterized in that: The bending mechanism (3) further comprises a reduction motor (301) and a limiting rod (303); a bending plate (307) is rotatably mounted on the front and rear inner walls of the placement groove (2) via a rotating shaft; threaded rods (302) are rotatably mounted on the inner walls on both sides of the placement groove (2); a reduction motor (301) is fixedly mounted on one side of the workbench (1); an output shaft of the reduction motor (301) is fixedly connected to one end of the threaded rod (302); the limiting rods (303) are fixedly mounted on the inner walls on both sides of the placement groove (2); and the outer walls of the limiting rods (303) are slidably connected to the inside of the mounting block (304).

3. A sheet metal bending machine according to claim 2, characterized in that: The positioning mechanism (5) further comprises a lifting plate (503), a guide rod (504) and positioning rollers (505); the free end of the hydraulic rod (502) is fixedly connected to the top of the lifting plate (503); the top of the lifting plate (503) is fixedly connected to one end of the guide rod (504); the outer wall of the guide rod (504) is slidably connected to the top of the fixed frame (501); and a plurality of groups of positioning rollers (505) are fixedly mounted on the bottom of the lifting plate (503).

4. A sheet metal bending machine according to claim 3, characterized in that: A buffer gasket (4) is fixedly mounted on the top of the bending plate (307).

5. A sheet metal bending machine according to claim 4, characterized in that: A supporting plate (6) is fixedly mounted on the top of the workbench (1).

6. A sheet metal bending machine according to claim 5, characterized in that: A plurality of sets of rectangularly distributed universal wheels (7) are fixedly mounted on the bottom of the workbench (1).

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