Bending machine for sheet metal working

Abstract

The bending machine comprises a bending machine frame and a base, a sliding groove is formed in the top of the bending machine frame, a movable seat is connected into the sliding groove in a sliding mode, a hydraulic rod is arranged at the bottom of the movable seat, one end of the movable seat is connected with a connecting seat in a sliding mode, and the other end of the connecting seat is connected with the base in a sliding mode. A plurality of valve assemblies are arranged at the bottom of the connecting seat, a bending block is arranged at one end of the connecting seat, and a positioning plate is arranged on the outer side wall of the bending block; the rubber cover and the connecting base act synchronously, suction force is generated during bending, a machined part can be sucked to move after bending, the suction material taking mode can guarantee the quality of the machined part, the defective rate is reduced, the machining efficiency is improved, and the manual labor amount is reduced, so that the problem that in the background technology, in the bending process, the machining cost is reduced is solved. The problems that most bent parts are deformed after being bent and can be attached to a bending groove, manual material taking is inconvenient, consumed time is long, the machining efficiency is affected, and the manual labor amount is increased are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hardware machining technical field, concretely is a bending machine for sheet metal machining. BACKGROUND

[0002] The bending machine is a kind of machine that can bend sheet, its structure mainly includes support, workbench and clamping plate, workbench is placed on support, workbench is made of base and pressing plate, base is connected with clamping plate by hinge, base is made of seat shell, coil and cover plate, coil is placed in the recess of seat shell, recess top is covered with cover plate;For example, a kind of numerical control bending machine is disclosed in Chinese patent, the patent number is CN212704046U, the die changing assembly of this patent is fixed on the slider of bending machine body by first fixed bolt, not clamped and fixed on the slider of bending machine body, so it is relatively not easy to slide during use, and the installation stability is relatively better, so that after long-term use, the probability of loosening of die changing assembly and the slider of bending machine body is reduced, which is beneficial to improve bending effect.

[0003] In the prior art including the above-mentioned patent, during the bending process, most of the bent parts will be attached to the bending groove after bending due to deformation, manual material taking is relatively inconvenient, time-consuming is relatively long, which affects the processing efficiency and increases the labor intensity. UTILITY MODEL CONTENT

[0004] The utility model discloses a bending machine for sheet metal machining, through the synchronous action of rubber cover and connecting seat, suction force is generated when bending, and the workpiece can be adsorbed and moved after bending, this adsorption material taking mode can guarantee the quality of workpiece, reduce the rate of defective products, improve the processing efficiency and reduce the labor intensity, to solve the problem that in the background art, most of the bent parts will be attached to the bending groove after bending due to deformation, manual material taking is relatively inconvenient, time-consuming is relatively long, which affects the processing efficiency and increases the labor intensity.

[0005] To achieve the above object, the utility model provides the following technical scheme: a bending machine for sheet metal machining, including bending machine frame and base, the top of bending machine frame is equipped with the sliding slot, the sliding slot is connected with the moving seat in sliding, the bottom of moving seat is equipped with the hydraulic rod, one end of moving seat is connected with the connecting seat in sliding, the bottom of connecting seat is equipped with a plurality of valve components, one end of connecting seat is equipped with the bending block, the outer side wall of bending block is equipped with the positioning plate, a plurality of connecting pipes are equipped on the positioning plate, one end of connecting pipe is equipped with the rubber cover, the other end of connecting pipe is connected in the connecting seat, and the connecting pipe is communicated with valve component;The bending groove that is matched with bending block is formed in the base, and the support strip rod that is matched with valve component is arranged on the base.

[0006] Further, the bottom of the mobile seat is provided with a plurality of limiting sliding plates, a plurality of sliding rods are slidably connected to the limiting sliding plates, the other ends of the sliding rods are connected to the connecting seat, and the cross section of the sliding rod is L-shaped.

[0007] Further, a through groove is formed in the connecting seat, one end of the through groove is communicated with one end of the connecting pipe, and the other end of the through groove is communicated with the valve assembly.

[0008] Further, the valve assembly comprises an air pressure cylinder, the bottom of the air pressure cylinder is provided with an air hole, a cross rod is arranged in the air pressure cylinder, a sealing plug is slidably connected to the cross rod, one end of the sealing plug abuts against the air hole, and the other end of the sealing plug is connected to the cross rod through a plurality of springs.

[0009] Further, one side of the bending machine frame is provided with a servo motor, the power output shaft of the servo motor is connected with a lead screw, and the other end of the lead screw is rotatably connected to the inner side wall of the bending machine frame.

[0010] Further, a threaded hole and two limiting holes are formed in the mobile seat and matched with the lead screw, two limiting rods are slidably connected to the two limiting holes, and the two ends of the two limiting rods are connected to the two end side walls of the bending machine frame.

[0011] Further, the top of the support rod is provided with two symmetrical pressure relief columns, the two sides of the support rod are connected with support plates, the other ends of the two support plates are connected to the base, and one side of the base is provided with an inclined slope for discharging.

[0012] Compared with the prior art, the bending machine for sheet metal machining has the following advantages:

[0013] During machining, the rubber cover and the connecting seat move synchronously, suction force is generated during bending, and the workpiece can be moved after bending by adsorption, so that the quality of the workpiece is guaranteed, the rate of defective products is reduced, the machining efficiency is improved, and the labor intensity is reduced.

[0014] The rubber cover and the connecting seat move synchronously to generate suction force to adsorb the workpiece, manual material taking from the bending groove is avoided, the risk of injury of workers during operation is reduced, the labor intensity is reduced, and the automatic feeding process is especially suitable for long-time and large-batch machining tasks.

[0015] The automatic feeding process pushes the connecting seat by means of the hydraulic rod, so that the valve assembly interacts with the pressure relief column, the adsorption of the rubber cover to the workpiece is released, and then the workpiece slides along the slope of the base by gravity. This process is completely automated, not only without manual intervention, but also closely connected with the machining process, reducing waiting time and greatly improving overall machining efficiency, providing strong protection for automated production. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the structure schematic diagram of the rubber cover of the utility model;

[0018] Figure 3 It is the structure schematic diagram of the limiting slide plate and slide rod of the utility model;

[0019] Figure 4 It is the structure schematic diagram of the base and support bar of the utility model;

[0020] Figure 5 It is the whole plane cross section structure schematic diagram of the utility model;

[0021] Figure 6 It is Figure 5 The enlarged structure schematic diagram of A in the middle.

[0022] In the drawing: 1, bending machine frame;

[0023] 2, moving seat; 21, hydraulic rod; 22, limiting slide plate; 23, slide rod;

[0024] 3, connecting seat; 31, valve assembly; 311, air pressure cylinder; 312, cross bar; 313, sealing plug;

[0025] 4, bending block; 5, positioning plate;

[0026] 6, connecting pipe; 61, rubber cover;

[0027] 7, base; 71, support bar; 72, pressure relief column;

[0028] 8, servo motor. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.

[0030] Please refer to Figures 1-6 The utility model provides a kind of technical scheme:

[0031] In this embodiment, a bending machine for sheet metal processing includes a bending machine frame 1 and a base 7, and the top of the bending machine frame 1 is provided with a sliding groove, and the sliding groove is slidably connected with a moving seat 2; the sliding groove provides a stable sliding track for the moving seat 2, ensuring that the moving seat 2 can move smoothly and accurately in the horizontal direction, thereby improving the bending accuracy and stability;

[0032] The bottom of the moving seat 2 is provided with a hydraulic rod 21, one end of the moving seat 2 is slidably connected with a connecting seat 3, the bottom of the connecting seat 3 is provided with a plurality of valve assemblies 31, one end of the connecting seat 3 is provided with a bending block 4, the outer side wall of the bending block 4 is provided with a positioning plate 5, a plurality of connecting pipes 6 are arranged on the positioning plate 5, one end of the connecting pipe 6 is provided with a rubber cover 61, the other end of the connecting pipe 6 is connected and inserted into the connecting seat 3, and the connecting pipe 6 is communicated with the valve assembly 31; the hydraulic rod 21 provides strong and stable power for the lifting movement of the connecting seat 3 and the bending block 4, can accurately control the position of the bending block 4, and ensures the accuracy of bending; the sliding connection mode of the connecting seat 3 and the moving seat 2 makes the connecting seat 3 more stable during lifting; the cooperation of the valve assembly 31, the connecting pipe 6 and the rubber cover 61 can realize the adsorption and stripping of the workpiece, and improve the processing efficiency;

[0033] The base 7 is provided with a bending groove matched with the bending block 4, and a support strip 71 matched with the valve assembly 31; the bending groove provides stable bending support and positioning for the workpiece, ensuring the shape and angle accuracy of the bending; the cooperation of the support strip 71 and the valve assembly 31 realizes the control of the air pressure in the rubber cover 61, thereby completing the automatic stripping and improving the efficiency and accuracy of the stripping.

[0034] In this embodiment, the bottom of the moving seat 2 is provided with a plurality of limiting sliding plates 22, a plurality of sliding rods 23 are slidably connected to the limiting sliding plates 22, the other ends of the sliding rods 23 are connected to the connecting seat 3, and the cross section of the sliding rod 23 is L-shaped; the cooperation of the limiting sliding plate 22 and the sliding rod 23 further limits the movement track of the connecting seat 3, making the connecting seat 3 more stable during lifting, avoiding the shaking and deviation of the connecting seat 3, and thereby improving the bending accuracy and stability.

[0035] In this embodiment, a through groove is arranged in the connecting seat 3, one end of the through groove is communicated with one end of the connecting pipe 6, and the other end of the through groove is communicated with the valve assembly 31; the arrangement of the through groove makes the gas flow between the connecting pipe 6 and the valve assembly 31 more smooth, ensuring the stable control of the air pressure in the rubber cover 61, thereby ensuring the adsorption and stripping effect of the workpiece and improving the reliability and stability of the equipment.

[0036] In the embodiment, the valve assembly 31 comprises an air cylinder 311, the bottom of the air cylinder 311 is provided with an air hole, the air cylinder 311 is provided with a cross rod 312, the cross rod 312 is slidably connected with a sealing plug 313, one end of the sealing plug 313 abuts against the air hole, and the other end of the sealing plug 313 is connected with the cross rod 312 through a plurality of springs; the valve assembly 31 has simple structure, the opening and closing of the air hole can be effectively controlled through the cooperation of the sealing plug 313 and the springs, so that the air pressure in the rubber cover 61 can be accurately adjusted, the smooth adsorption and material removal are ensured, and the service life and stability of the equipment are improved.

[0037] In the embodiment, one side of the bending machine frame 1 is provided with a servo motor 8, the power output shaft of the servo motor 8 is connected with a lead screw, and the other end of the lead screw is rotatably connected to the inner side wall of the bending machine frame 1; the cooperation of the servo motor 8 and the lead screw provides accurate power and control for the horizontal movement of the moving seat 2, so that the moving seat 2 can move quickly and stably, and the working efficiency and bending accuracy of the equipment are improved.

[0038] In the embodiment, the moving seat 2 is provided with a threaded hole and two limiting holes matched with the lead screw, the two limiting holes are slidably connected with two limiting rods, and the two ends of the two limiting rods are connected to the two end side walls of the bending machine frame 1; the cooperation of the threaded hole and the lead screw realizes the horizontal movement of the moving seat 2, and the cooperation of the limiting hole and the limiting rod limits the movement direction of the moving seat 2, so that the moving seat 2 does not deviate and shake during the horizontal movement, the movement accuracy and stability of the moving seat 2 are improved, and the bending accuracy and quality are ensured.

[0039] In the embodiment, the top of the support strip 71 is provided with two symmetrical pressure relief columns 72, the two sides of the support strip 71 are connected with support plates, the other ends of the two support plates are connected to the base 7, and one side of the base 7 is provided with a slope for discharging; the symmetrical pressure relief columns 72 can uniformly adjust the air pressure in the rubber cover 61, so that the material removal is stable and complete; the support plates enhance the stability of the support strip 71, ensure the accurate cooperation of the pressure relief columns 72 and the valve assembly 31, and the discharging slope facilitates the automatic discharging of the workpiece, improves the discharging efficiency, and reduces manual intervention.

[0040] Working principle: in use, first, start the servo motor 8, drive the lead screw to rotate through the power output shaft of the servo motor 8, and drive the moving seat 2 to move horizontally through the rotation of the lead screw and the limiting of the limiting rod;

[0041] Secondly, the hydraulic rod 21 is started, the connecting seat 3 and the bending block 4 are pushed to move up and down by the hydraulic rod 21, when the position of the bending block 4 is located at the top of the bending groove, the workpiece is extruded and bent downwards, it should be noted that the rubber cover 61 moves up and down synchronously with the connecting seat 3, at this time, the rubber cover 61 contacts the workpiece, the internal gas is extruded, and suction force is generated, when the bending block 4 is pulled to move upwards by the hydraulic rod 21 after the bending is completed, the workpiece can be adsorbed by the suction force generated by the structure and moved horizontally by the moving seat 2, the structure can effectively avoid that the workpiece is located in the bending groove after bending and needs to be taken out manually, thereby saving the working step of manual material taking, and when a large number of workpieces are bent, the labor amount of workers can be significantly reduced, and the production efficiency of the equipment is improved;

[0042] Finally, when the rubber cover 61 adsorbs the workpiece and moves to the top of the support strip 71, during the movement, the sliding groove located in the top wall of the bending machine frame 1 can limit the moving position of the moving seat 2, so that the valve assembly 31 can correspond to the position of the pressure relief column 72 after movement;

[0043] At this time, the connecting seat 3 is pushed to move downwards by starting the hydraulic rod 21, the valve assembly 31 moves downwards, so that the pressure relief column 72 can be inserted into the air hole, and the sealing plug 313 is pushed to extrude the spring and shrink, when the gas enters the air pressure cylinder 311, the air pressure in the rubber cover 61 is consistent with the outside, the adsorption of the workpiece is released, the material taking is completed, and after the material taking, the workpiece falls on the slope of the base 7 to realize the discharging, the discharging process can be completed by pushing by the hydraulic rod 21, automatic material taking and discharging can be realized, and the processing efficiency is improved.

[0044] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Accordingly, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A bending machine for sheet metal working, comprising a bending machine frame (1) and a base (7), characterized in that: The top of the bending machine frame (1) is provided with a sliding groove, the sliding groove is slidably connected with a moving seat (2), the bottom of the moving seat (2) is provided with a hydraulic rod (21), one end of the moving seat (2) is slidably connected with a connecting seat (3), the bottom of the connecting seat (3) is provided with a plurality of valve assemblies (31), one end of the connecting seat (3) is provided with a bending block (4), the outer side wall of the bending block (4) is provided with a positioning plate (5), the positioning plate (5) is provided with a plurality of connecting pipes (6), one end of the connecting pipe (6) is provided with a rubber cover (61), the other end of the connecting pipe (6) is communicated and inserted into the connecting seat (3), the connecting pipe (6) is communicated with the valve assembly (31). The base (7) is provided with a bending groove matched with the bending block (4), and the base (7) is provided with a support bar (71) matched with the valve assembly (31).

2. The bending machine for sheet metal working according to claim 1, characterized in that: The bottom of the moving seat (2) is provided with a plurality of limiting sliding plates (22), a plurality of the limiting sliding plates (22) are slidably connected with sliding rods (23), the other end of the sliding rod (23) is connected with the connecting seat (3), and the cross section of the sliding rod (23) is L-shaped.

3. The bending machine for sheet metal working according to claim 1, characterized in that: The connecting seat (3) is provided with a through groove, one end of the through groove is communicated with one end of the connecting pipe (6), and the other end of the through groove is communicated with the valve assembly (31).

4. The bending machine for sheet metal working according to claim 3, characterized in that: The valve assembly (31) comprises a gas pressure cylinder (311), the bottom of the gas pressure cylinder (311) is provided with a gas hole, the gas pressure cylinder (311) is provided with a cross rod (312), the cross rod (312) is slidably connected with a sealing plug (313), one end of the sealing plug (313) is in contact with the gas hole, and the other end of the sealing plug (313) is connected with the cross rod (312) through a plurality of springs.

5. The bending machine for sheet metal working according to claim 1, characterized in that: One side of the bending machine frame (1) is provided with a servo motor (8), the power output shaft of the servo motor (8) is connected with a lead screw, and the other end of the lead screw is rotatably connected with the inner side wall of the bending machine frame (1).

6. The bending machine for sheet metal working according to claim 1, characterized in that: The moving seat (2) is provided with a threaded hole and two limiting holes matched with the lead screw, two limiting rods are slidably connected in the two limiting holes, and two ends of the two limiting rods are connected with the two end side walls of the bending machine frame (1).

7. The bending machine for sheet metal working according to claim 1, characterized in that: The top of the support bar (71) is provided with two symmetrically arranged pressure relief columns (72), the support bar (71) is connected with support plates on both sides, the other end of the two support plates is connected with the base (7), and one side of the base (7) is provided with an inclined slope for discharging.

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