Numerical control metal plate bending machine

Abstract

The utility model provides a numerical control sheet metal bending machine relates to sheet metal bending machine technical field, including rear fixed plate, lower mounting seat and upper mounting seat, the bottom end of rear fixed plate is fixed on the bottom plate, and the front part of the upper end surface of bottom plate is fixed with the pad table, and the pad table is equipped with the lower mounting seat, the upper end of rear fixed plate is fixed with the top plate, and the top plate is equipped with the lower mounting seat. Multiple sets of upper telescopic air cylinders are arranged on the front portion of the lower end face of the top plate and covered with an outer cover plate, and the lower ends of the upper telescopic air cylinders are fixed to an upper mounting base. A discharging port is formed in the middle of the rear fixing plate, a lower machine body is arranged between the lower portion of the rear fixing plate and the cushion table, a lower groove is formed in the lower machine body, and a metal plate conveying belt is installed in the lower groove. The metal plate workpiece can be bent rapidly and accurately, the upper bending pressing block and the lower bending head can be conveniently and flexibly disassembled and assembled, the bending shape can be conveniently changed, the bending device is more convenient and practical, the metal plate workpiece can be automatically sent out, and rapidness and convenience are achieved.

Description

Technical Field

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

[0002] There are many sheet metal bending machines in the prior art, but these sheet metal bending machines have complex structures and high production costs; they are heavy and difficult to carry, but in factories, sheet metal parts are often used as equipment casings to protect the equipment, so sheet metal needs to be processed on site.

[0003] In the manual of the simple sheet metal bending machine in the prior art (publication number CN205995968U), it is mentioned that "the simple sheet metal bending machine also includes a connecting plate, a movable plate and a fixed angle steel, the connecting plate is connected to the edge of the workbench, one end of the movable plate is hinged to one end of the connecting plate, the fixed angle steel is buckled on the connecting plate and connected to the connecting plate through two connecting bolts, one edge of the fixed angle steel is arranged close to one end of the connecting plate, and a sheet metal insertion groove is respectively provided on the two edges of the fixed angle steel, and the sheet metal insertion groove is a strip structure". However, the sheet metal bending machine in the prior art cannot flexibly replace the bending upper pressure block and the lower bending head, cannot flexibly change the bending shape, and the bent workpiece cannot be automatically sent out, which is not convenient and practical. Utility Model Content

[0004] In order to overcome the defects of the prior art, a CNC sheet metal bending machine is provided to solve the problems that the sheet metal bending machine in the prior art cannot flexibly replace the bending upper pressure block and the lower bending head, cannot flexibly change the bending shape, and the bent workpiece cannot be automatically delivered, which is not convenient and practical.

[0005] To achieve the above-mentioned purpose, a CNC sheet metal bending machine is provided, comprising a rear fixed plate, a lower mounting seat and an upper mounting seat, the bottom end of the rear fixed plate is fixed to the base plate, and a pad is fixed to the front portion of the upper end face of the base plate, and the lower mounting seat is mounted on the pad, the upper end of the rear fixed plate is fixed to a top plate, and a plurality of groups of upper telescopic cylinders are arranged at the front portion of the lower end face of the top plate, the upper telescopic cylinders are covered with an outer cover plate, and the lower ends of the upper telescopic cylinders are fixed to the upper mounting seat.

[0006] Furthermore, a discharge port is provided in the middle of the rear fixing plate, and a lower body is arranged between the lower part of the rear fixing plate and the pad, and a lower groove is provided on the lower body, and a sheet metal conveyor belt is installed in the lower groove.

[0007] Furthermore, an upper body is arranged between the upper portion of the rear fixing plate and the rear side surface of the top plate, and a certain gap is provided between the upper body and the lower groove.

[0008] Furthermore, a lower recess is provided at the lower portion of the lower mounting seat, and a lower clamping groove is provided at the upper portion of the lower mounting seat, a lower bending head is embedded in the lower clamping groove, and a lower fastening bolt is fixed between the lower portion of the lower bending head and the lower mounting seat.

[0009] Furthermore, an upper connecting block is provided at the lower part of the upper mounting seat, and the upper connecting block is embedded in an upper embedding opening opened at the upper part of the upper pressing block, and a bending opening is opened at the lower part of the upper pressing block.

[0010] Furthermore, a front clamping block is installed on the front side of the upper pressure block, and a rear clamping block is installed on the rear side of the upper pressure block, and multiple groups of upper fastening bolts are installed between the upper parts of the front clamping block, the upper pressure block and the rear clamping block, and the rear end heads of the upper fastening bolts are threadedly twisted with fastening nuts.

[0011] The beneficial effects of the utility model are:

[0012] 1. The utility model can place the sheet metal workpiece on the lower mounting seat, press it onto the lower mounting seat through the upper mounting seat, perform sheet metal bending processing, and then place it on the sheet metal conveyor belt, and transport it backwards through the sheet metal conveyor belt until it passes through the discharge port and is transmitted out.

[0013] 2. The lower bending head and the lower mounting seat in the utility model are convenient to assemble or disassemble, so as to replace the bending head. The assembly positioning is accurate, and the removal and replacement are more flexible and convenient.

[0014] 3. The upper connecting block, the front clamping block, the upper pressure block and the rear clamping block in the utility model are convenient to assemble and disassemble, so that the upper pressure block and the lower bending head can be replaced with other matching upper bending pressure blocks and lower bending heads at the same time, which is more flexible and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a left side schematic diagram of an embodiment of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0017] Figure 3 A schematic diagram of the structure of the lower mounting seat of an embodiment of the utility model;

[0018] Figure 4 It is a schematic diagram of the structural arrangement of the upper mounting seat in an embodiment of the utility model.

[0019] In the figure: 1. rear fixing plate; 10. discharge port; 11. bottom plate; 12. lower body; 13. lower groove; 14. sheet metal conveyor belt; 15. pad; 16. upper body; 17. upper telescopic cylinder; 18. outer cover plate; 19. top plate; 2. lower mounting seat; 20. lower notch; 21. lower clamping groove; 22. lower bending head; 23. lower fastening bolt; 3. upper mounting seat; 30. upper connecting block; 31. front clamping block; 32. upper fastening bolt; 33. upper pressure block; 34. bending mouth; 35. rear clamping block; 36. upper embedding mouth; 37. fastening nut. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present disclosure.

[0021] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0022] Figure 1 It is a left side schematic diagram of an embodiment of the utility model, Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model, Figure 3 The schematic diagram of the structure of the lower mounting seat of the utility model embodiment and Figure 4 It is a schematic diagram of the structural arrangement of the upper mounting seat in an embodiment of the utility model.

[0023] Reference Figures 1 to 4 As shown, the utility model provides a CNC sheet metal bending machine, including a rear fixed plate 1, a lower mounting seat 2 and an upper mounting seat 3, the bottom end of the rear fixed plate 1 is fixed on a bottom plate 11, and a pad 15 is fixed to the front portion of the upper end face of the bottom plate 11, and the lower mounting seat 2 is mounted on the pad 15, the upper end of the rear fixed plate 1 is fixed to a top plate 19, and a plurality of groups of upper telescopic cylinders 17 are arranged on the front portion of the lower end face of the top plate 19, the upper telescopic cylinders 17 are covered with an outer cover plate 18, and the lower ends of the upper telescopic cylinders 17 are fixed to the upper mounting seat 3.

[0024] In this embodiment, a discharge port 10 is provided in the middle of the rear fixed plate 1, and a lower body 12 is provided between the lower part of the rear fixed plate 1 and the pad 15, and a lower groove 13 is provided on the lower body 12, and a sheet metal conveyor belt 14 is installed in the lower groove 13; an upper body 16 is provided between the upper part of the rear fixed plate 1 and the rear side surface of the top plate 19, and a certain gap is provided between the upper body 16 and the lower groove 13.

[0025] As a preferred embodiment, the utility model can place the sheet metal workpiece on the lower mounting seat 2, press it onto the lower mounting seat 2 through the upper mounting seat 3, perform sheet metal bending processing, and then place it on the sheet metal conveyor belt 14, and transport it backward through the sheet metal conveyor belt 14 until it is transmitted out through the discharge port 10.

[0026] In this embodiment, a lower recess 20 is provided at the lower portion of the lower mounting seat 2, and a lower slot 21 is provided at the upper portion of the lower mounting seat 2. A lower bending head 22 is embedded in the lower slot 21, and a lower fastening bolt 23 is fixed between the lower portion of the lower bending head 22 and the lower mounting seat 2.

[0027] As a preferred embodiment, the lower bending head 22 and the lower mounting seat 2 in the utility model are convenient to assemble or disassemble, so as to replace the bending head, the assembly positioning is accurate, and the removal and replacement are more flexible and convenient.

[0028] In this embodiment, an upper connecting block 30 is provided at the lower portion of the upper mounting seat 3, and the upper connecting block 30 is embedded in an upper embedding opening 36 opened at the upper portion of the upper pressing block 33, and a bending opening 34 is opened at the lower portion of the upper pressing block 33; a front clamping block 31 is installed at the front side of the upper pressing block 33, and a rear clamping block 35 is installed at the rear side of the upper pressing block 33, and a plurality of groups of upper fastening bolts 32 are installed between the upper portions of the front clamping block 31, the upper pressing block 33 and the rear clamping block 35, and a fastening nut 37 is twisted with a thread at the rear end head of the upper fastening bolt 32.

[0029] As a preferred embodiment, the upper connecting block 30, the front clamping block 31, the upper pressure block 33 and the rear clamping block 35 in the utility model are convenient to assemble and disassemble, so that the upper pressure block 33 and the lower bending head 22 can be replaced with other matching upper bending pressure blocks and lower bending heads at the same time, which is more flexible and practical.

[0030] The utility model can effectively solve the problems in the prior art that the sheet metal bending machine cannot flexibly replace the bending upper pressure block and the lower bending head, cannot flexibly change the bending shape, and the bent workpiece cannot be automatically sent out, which is inconvenient and practical. The utility model bends the sheet metal workpiece quickly and accurately, and can conveniently and flexibly disassemble and assemble the bending upper pressure block and the lower bending head, and is convenient to change the bending shape, which is more convenient and practical, and can automatically send out the sheet metal workpiece, which is faster and more convenient.

[0031] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A CNC sheet metal bending machine, characterized in that: The invention comprises a rear fixing plate (1), a lower mounting seat (2) and an upper mounting seat (3); the bottom end of the rear fixing plate (1) is fixed on a bottom plate (11), a pad (15) is fixed on the front of the upper end of the bottom plate (11), and the lower mounting seat (2) is mounted on the pad (15); the upper end of the rear fixing plate (1) is fixed with a top plate (19), and a plurality of groups of upper telescopic cylinders (17) are arranged on the front of the lower end of the top plate (19); the upper telescopic cylinders (17) are covered with an outer cover plate (18), and the lower ends of the upper telescopic cylinders (17) are fixed on the upper mounting seat (3).

2. A CNC sheet metal bending machine according to claim 1, characterized in that: A discharge port (10) is provided in the middle of the rear fixing plate (1), and a lower body (12) is provided between the lower part of the rear fixing plate (1) and the pad (15), and a lower groove (13) is provided on the lower body (12), and a sheet metal conveyor belt (14) is installed in the lower groove (13).

3. The CNC sheet metal bending machine according to claim 1, characterized in that: An upper body (16) is arranged between the upper part of the rear fixing plate (1) and the rear side surface of the top plate (19), and a certain gap is provided between the upper body (16) and the lower groove (13).

4. The CNC sheet metal bending machine according to claim 1, characterized in that: The lower portion of the lower mounting seat (2) is provided with a lower notch (20), and the upper portion of the lower mounting seat (2) is provided with a lower clamping groove (21), a lower bending head (22) is embedded in the lower clamping groove (21), and a lower fastening bolt (23) is fixed between the lower portion of the lower bending head (22) and the lower mounting seat (2).

5. The CNC sheet metal bending machine according to claim 1, characterized in that: An upper connecting block (30) is provided at the lower part of the upper mounting seat (3), and the upper connecting block (30) is embedded in an upper embedding opening (36) opened at the upper part of the upper pressing block (33), and a bending opening (34) is opened at the lower part of the upper pressing block (33).

6. The CNC sheet metal bending machine according to claim 5, characterized in that: A front clamping block (31) is installed on the front side of the upper pressing block (33), and a rear clamping block (35) is installed on the rear side of the upper pressing block (33). A plurality of groups of upper fastening bolts (32) are installed between the upper parts of the front clamping block (31), the upper pressing block (33) and the rear clamping block (35), and a fastening nut (37) is screwed on the rear end of the upper fastening bolt (32) through a thread.

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