CN211386408U - A sheet metal bending machine - Google Patents

Abstract

The utility model discloses a sheet metal part bending machine, which comprises a worktable, a frame, a bending die and a positioning mechanism; the frame is fixed on the worktable, and a press-down hydraulic cylinder is installed on the frame; the bending die comprises The upper bending die connected with the pressing hydraulic cylinder and the lower bending die arranged on the worktable; the positioning mechanism includes a support plate and a positioning plate respectively located on both sides of the lower bending die, and the top of the support plate is provided with a mounting groove, An electromagnet is installed in the installation slot, and a slider is arranged at the bottom of the positioning plate. The slider is slidably set on the worktable through the guide-sliding straight slot. The guide-sliding straight slot is used to guide the slider to slide close to or away from the bending die. One side of the slider is provided with a screw seat, the screw seat is provided with a screw that horizontally penetrates the slider, and the slider is provided with a threaded hole for the screw to penetrate through and to be threadedly connected with the screw. The utility model relates to a sheet metal part bending machine, which can effectively fix the sheet metal parts to be bent, avoid the movement of the sheet metal parts during the bending process, and thus improve the yield.

Description

A sheet metal bending machine

technical field

The utility model relates to a bending machine for sheet metal parts.

Background technique

The bending machine is an important equipment for bending and forming workpieces in the sheet metal industry. Its function is to press the steel plate into parts of various shapes according to the needs of the process. During the bending process, the metal plate (sheet metal part) needs to be placed between the upper and lower molds, and the upper mold is controlled by hydraulic pressure or numerical control to go down, and the metal plate is bent. The bending operation is a common process in rice metal forming. , which can process most sheet metal parts. The traditional bending machine only has upper and lower molds. When bending, it is necessary to hold the sheet metal parts by hand to prevent the sheet metal parts from moving during bending. However, this method easily leads to poor bending effect, low yield, and increased The labor intensity of the staff.

Utility model content

The purpose of the utility model is to provide a sheet metal part bending machine, which has a reasonable structure, can effectively fix the sheet metal parts to be bent, avoid the movement of the sheet metal parts during the bending process, and thus improve the yield.

In order to achieve the above purpose, the technical scheme of the present utility model is to design a sheet metal bending machine, including a workbench, a frame, a bending die and a positioning mechanism;

The frame is fixed on the workbench, and the frame includes a pair of upright columns and a beam connected between the top ends of the pair of upright columns, and the bottom of the beam is fixed with a downward pressing hydraulic cylinder;

The bending die includes an upper die mounting seat and a lower die mounting seat, the upper die mounting seat is fixedly connected with the output shaft of the lower pressing hydraulic cylinder, and a lower bending die is installed on the bottom of the upper die mounting seat, and the lower die is installed. The die mounting seat is fixed on the worktable, and a bending lower die corresponding to the upper bending die is installed on the top of the lower die mounting seat;

The positioning mechanism includes a support plate and a positioning plate, the support plate is located on the front side of the lower mold mounting seat, the support plate is fixed on the worktable, and the top of the support plate is provided with a number of installation grooves, each installation groove is installed in There is an electromagnet for adsorbing and fixing sheet metal parts, the positioning plate is located on the back side of the lower die mounting seat, the bottom of the positioning plate is provided with a slider, and the slider is slidably arranged on the worktable through the guide-sliding straight groove , the guide sliding straight groove is used to guide the sliding block to slide close to or away from the lower bending die, the side of the sliding block facing away from the lower die mounting seat is provided with a screw seat, and a horizontal through-slider is installed on the screw seat. The screw rod of the block, one end of the screw rod is provided with a rotating head, and the slider is provided with a threaded hole for the screw rod to pass through and to be threadedly connected with the screw rod.

Preferably, two locking nuts are threadedly connected to the screw rod, and the two locking nuts are respectively abutted on both sides of the screw rod seat.

Preferably, the guide-sliding straight groove is provided on the worktable, the guide-sliding straight groove is a T-shaped groove, and the bottom of the slider is provided with a T-shaped protrusion connected with the guide-sliding straight groove.

Preferably, the top surface of the support plate is flush with the top surface of the lower bending die.

Preferably, two sides of the support base respectively extend outward to form fixing parts, and the fixing parts are fixedly connected to the worktable by screws.

The advantages and beneficial effects of the utility model are as follows: a sheet metal part bending machine is provided, which has a reasonable structure, can effectively fix the sheet metal parts to be bent, and avoids the movement of the sheet metal parts during the bending process, thereby improving the quality of products. Rate.

When in use, place the sheet metal part on the support plate and the bending die, and make the inner side of the sheet metal part abut the positioning plate, then the electromagnet is energized and the sheet metal part is adsorbed and fixed, and finally the output shaft extension of the pressing hydraulic cylinder is activated. out, so as to drive the upper die mounting seat and the bending upper die to go down, so that the bending upper die and the bending lower die are matched and the sheet metal parts are bent. In addition, the distance between the positioning plate and the bending die can be adjusted to meet the processing requirements. When adjusting the distance between the positioning plate and the lower bending die, a wrench can be used to turn the rotating head, and the rotating head will drive the screw to rotate. After the screw is rotated, it will drive the slider and the positioning plate set on the slider to move closer to or away from the bending The lower die moves to adjust the distance between the positioning plate and the bending lower die; after completion, tighten the two locking nuts to prevent the screw from rotating by itself due to vibration.

Description of drawings

Figure 1 is a schematic diagram of the present invention.

FIG. 2 is a schematic diagram of the positioning mechanism in the present invention.

Figure 3 is a schematic diagram of the slider in the present invention.

Detailed ways

The specific embodiments of the present utility model will be further described below with reference to the accompanying drawings and embodiments. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.

The technical scheme of the concrete implementation of the present utility model is:

As shown in Figure 1, Figure 2 and Figure 3, a sheet metal bending machine includes a workbench 1, a frame, a bending die and a positioning mechanism;

The frame is fixed on the worktable 1, and the frame includes a pair of uprights 2 and a beam 3 connected between the top ends of the pair of uprights 2, and the bottom of the beam 3 is fixed with a lowering hydraulic cylinder 4;

The bending die includes an upper die mounting seat 5 and a lower die mounting seat 6, the upper die mounting seat 5 is fixedly connected with the output shaft of the lower pressing hydraulic cylinder 4, and the bottom of the upper die mounting seat 5 is installed with a bending lower Mold 7, the lower mold mounting seat 6 is fixed on the workbench 1, and the top of the lower mold mounting seat 6 is mounted with a bending lower mold 8 corresponding to the bending upper mold 7;

The positioning mechanism includes a support plate 9 and a positioning plate 10, the support plate 9 is located on the front side of the lower die mounting seat 6, the support plate 9 is fixed on the worktable 1, and the top of the support plate 9 is provided with several installations. Each installation slot is equipped with an electromagnet 11 for adsorbing and fixing sheet metal parts, the positioning plate 10 is located on the rear side of the lower die mounting seat, and the bottom of the positioning plate 10 is provided with a slider 12, the slider 12 passes through The guide-sliding straight groove is slidably arranged on the worktable 1 , and the guide-sliding straight groove is used to guide the sliding block 12 to slide close to or away from the lower bending die 8 , and the sliding block 12 faces away from a part of the lower die mounting seat 6 . A screw seat 13 is provided on the side, and a screw rod 14 that horizontally penetrates the slider 12 is installed on the screw seat 13. One end of the screw rod 14 is provided with a rotating head 15, and the slider 12 is provided with a screw rod 14 to pass through. , and the threaded hole 16 which is threadedly connected with the screw rod 14 .

The above-mentioned screw rod 14 is threadedly connected with two locking nuts 17 , and the two locking nuts 17 abut against two sides of the screw rod seat 13 respectively.

The above-mentioned guide-sliding straight groove is arranged on the worktable 1 , and the guide-sliding straight groove is a T-shaped groove. The bottom of the sliding block 12 is provided with a T-shaped protrusion 18 connected with the guide-sliding straight groove.

The top surface of the support plate 9 is flush with the top surface of the lower bending die 8 .

Two sides of the above-mentioned support base 9 respectively extend outward to form fixing portions 19 , and the fixing portions 19 are fixedly connected to the workbench 1 by screws.

The advantages and beneficial effects of the utility model are as follows: a sheet metal part bending machine is provided, which has a reasonable structure, can effectively fix the sheet metal parts to be bent, and avoids the movement of the sheet metal parts during the bending process, thereby improving the quality of products. Rate.

When in use, place the sheet metal part on the support plate 9 and the lower bending die 8, and make the inner side of the sheet metal part abut against the positioning plate 10, then the electromagnet 11 is energized and the sheet metal part is adsorbed and fixed, and finally the pressing hydraulic cylinder is activated. The output shaft of 4 extends out, thereby driving the upper die mounting seat 5 and the upper bending die 7 to descend, so that the upper bending die 7 and the lower bending die 8 cooperate and bend the sheet metal parts. In addition, the distance between the positioning plate 10 and the lower bending die 8 can be adjusted to meet processing requirements. When adjusting the distance between the positioning plate 10 and the lower bending die 8, a wrench can be used to rotate the rotating head 15, and the rotating head 15 drives the screw rod 14 to rotate. After the screw rod 14 rotates, it drives the slider 12 and is arranged on the slider 12. The positioning plate 10 moves close to or away from the lower bending die 8, thereby adjusting the distance between the positioning plate 10 and the lower bending die 8; after completion, tighten the two locking nuts 17 to prevent the lead screw 14 from rotating by itself due to vibration.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principles of the present invention, several improvements and modifications can be made. These improvements and retouching should also be regarded as the protection scope of the present invention.

Claims (5)

1. A sheet metal bending machine, characterized in that it comprises a workbench, a frame, a bending die and a positioning mechanism; The frame is fixed on the workbench, and the frame includes a pair of upright columns and a beam connected between the top ends of the pair of upright columns, and the bottom of the beam is fixed with a downward pressing hydraulic cylinder; The bending die includes an upper die mounting seat and a lower die mounting seat, the upper die mounting seat is fixedly connected with the output shaft of the lower pressing hydraulic cylinder, and a lower bending die is installed on the bottom of the upper die mounting seat, and the lower die is installed. The die mounting seat is fixed on the worktable, and a bending lower die corresponding to the upper bending die is installed on the top of the lower die mounting seat; The positioning mechanism includes a support plate and a positioning plate, the support plate is located on the front side of the lower mold mounting seat, the support plate is fixed on the worktable, and the top of the support plate is provided with a number of installation grooves, each installation groove is installed in There is an electromagnet for adsorbing and fixing sheet metal parts, the positioning plate is located on the back side of the lower die mounting seat, the bottom of the positioning plate is provided with a slider, and the slider is slidably arranged on the worktable through the guide-sliding straight groove , the guide sliding straight groove is used to guide the sliding block to slide close to or away from the lower bending die, the side of the sliding block facing away from the lower die mounting seat is provided with a screw seat, and a horizontal through-slider is installed on the screw seat. The screw rod of the block, one end of the screw rod is provided with a rotating head, and the slider is provided with a threaded hole for the screw rod to pass through and to be threadedly connected with the screw rod. 2 . The sheet metal bending machine according to claim 1 , wherein two locking nuts are threadedly connected to the screw rod, and the two locking nuts are respectively abutted on two sides of the screw rod seat. 3 . 3 . The sheet metal bending machine according to claim 2 , wherein the guiding and sliding straight grooves are arranged on the worktable, the guiding and sliding straight grooves are T-shaped grooves, and the bottom of the sliding block is provided with 3 . T-shaped protrusions connected to the guide straight grooves. 4 . The sheet metal part bending machine according to claim 3 , wherein the top surface of the support plate is flush with the top surface of the lower bending die. 5 . 5 . The sheet metal bending machine according to claim 4 , wherein two sides of the support plate respectively extend outward to form fixing parts, and the fixing parts are fixedly connected to the worktable by screws. 6 .

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