Numerical control automatic bending machine applied to cable bridge

Abstract

The numerical control automatic bending machine applied to the cable bridge comprises a bottom plate, the top of the bottom plate is fixedly connected with a containing frame and a bending die holder, a bending groove is formed in the top of the bending die holder, an opening, close to one end of the containing frame, of the bending groove is larger than an opening in the other end of the bending groove, and an inclined groove is formed in the top of the bending die holder; the stroke plate is driven by the servo motor arranged on the supporting plate to transversely move, the electric-hydraulic push rod drives the pressing frame to vertically move, the pressing frame is arranged on the pressing frame, and the pressing groove is formed in the bottom of the pressing frame. In the process that the pressing frame drives the downwards-pressed and clamped metal plate to move towards the bending die holder, the metal plate extending out of the pressing frame can be bent through the bending groove in the bending die holder, the metal plate can be bent into a U-shaped structure at a time, and the bending efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable bridge processing equipment, in particular to a numerical control automatic bending machine applied to cable bridges. Background Art

[0002] During the production process of cable trays, metal sheets need to be bent using a bending machine.

[0003] In the process of bending the metal sheets required for the cable tray, the existing bending machines are difficult to stamp out in one go due to the long length of the metal sheets, so most of the bending operations are performed on one side and then repeated on the other side, resulting in low bending efficiency. Utility Model Content

[0004] The utility model aims to provide a numerically controlled automatic bending machine applied to a cable tray, so as to solve the technical problems of the existing complicated bending process and low efficiency of unilateral operation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CNC automatic bending machine applied to a cable tray, comprising a bottom plate, a placing frame and a bending die base are fixedly connected to the top of the bottom plate, a bending groove is provided on the top of the bending die base, an opening of the bending groove close to one end of the placing frame is larger than an opening at the other end, and an inclined groove is provided on the top of the bending die base;

[0006] A pressing frame is arranged above the placing frame, and a pressing groove is arranged at the bottom of the pressing frame.

[0007] As a preferred solution of the utility model, a support plate is fixedly connected to one side of the top of the base plate, a travel groove is penetrated through the side wall of the top of the support plate, a travel plate is slidably connected inside the travel groove, one end of the travel plate passing through the travel groove is fixedly connected to a travel block, both ends of the bottom of the travel plate are fixedly connected to electro-hydraulic push rods, and the telescopic end of the electro-hydraulic push rods is fixedly connected to the pressure frame.

[0008] As a preferred solution of the utility model, a fixed block is fixedly connected to the plate wall of the support plate away from the pressure frame, a servo motor is fixedly connected to the side wall of the fixed block through a fixed frame, the output end of the servo motor is fixedly connected to a screw rod through a coupling, the screw rod movably passes through one end of the fixed block and passes through the travel block, and the travel block is threadedly sleeved on the rod wall of the screw rod.

[0009] As a preferred solution of the present utility model, the servo motor is electrically connected to the external power supply through a PLC controller.

[0010] As a preferred solution of the utility model, a placement groove is provided on the top of the placement rack.

[0011] Compared with the prior art, the utility model discloses a CNC automatic bending machine applied to cable trays, which has the following beneficial effects: the equipment has a simple structure and is easy to use. The travel plate is driven by a servo motor arranged on the support plate to move horizontally, and the electro-hydraulic push rod drives the press frame to move vertically. The press frame can bend the metal sheet extending from the press frame through the bending groove on the bending die base while driving the metal sheet clamped by the press frame to move toward the bending die base. The metal sheet can be bent into a U-shaped structure at one time, thereby effectively improving the bending efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only examples of the embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0013] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the bottom plate in the embodiment of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the placement rack in the embodiment of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the bending die base in the embodiment of the utility model;

[0017] Figure 5 It is a structural schematic diagram of a press frame in an embodiment of the utility model.

[0018] Figure numerals: 1, bottom plate; 2, support plate; 3, travel groove; 4, fixed block; 5, servo motor; 6, screw rod; 7, travel block; 8, travel plate; 9, electro-hydraulic push rod; 10, pressing frame; 11, pressing groove; 12, placing frame; 13, placing groove; 14, bending die base; 15, bending groove; 16, inclined groove. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the embodiments of the present invention are further described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0020] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the embodiments of the present invention.

[0021] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-5 As shown, the utility model is a CNC automatic bending machine applied to a cable tray, comprising a base plate 1, a placement rack 12 and a bending die base 14 are fixedly connected to the top of the base plate 1, a bending groove 15 is provided on the top of the bending die base 14, an opening of the bending groove 15 close to one end of the placement rack 12 is larger than the opening at the other end, and an inclined groove 16 is provided on the top of the bending die base 14.

[0023] A pressing frame 10 is arranged above the placing frame 12 , and a pressing groove 11 is formed at the bottom of the pressing frame 10 .

[0024] A support plate 2 is fixedly connected to one side of the top of the base plate 1, a travel groove 3 is penetrated through the side wall of the top of the support plate 2, a travel plate 8 is slidably connected inside the travel groove 3, one end of the travel plate 8 passing through the travel groove 3 is fixedly connected to a travel block 7, both ends of the bottom of the travel plate 8 are fixedly connected to an electro-hydraulic push rod 9, and the telescopic end of the electro-hydraulic push rod 9 is fixedly connected to a press frame 10.

[0025] A fixed block 4 is fixedly connected to the plate wall of the support plate 2 away from the pressure frame 10, and a servo motor 5 is fixedly connected to the side wall of the fixed block 4 through a fixed frame. The output end of the servo motor 5 is fixedly connected to a screw rod 6 through a coupling. The screw rod 6 movably passes through one end of the fixed block 4 and passes through a travel block 7, and the travel block 7 is threadedly sleeved on the rod wall of the screw rod 6. The servo motor 5 can drive the screw rod 6 to rotate, and when the screw rod 6 rotates, it can drive the travel plate 8 to move along the travel groove 3 through the travel block 7 threadedly connected to the rod wall.

[0026] The servo motor 5 is electrically connected to an external power supply through a PLC controller. The TB6600 type PLC controller can effectively control the speed and direction of the servo motor 5 .

[0027] See also Figure 3 As shown, a placement groove 13 is provided on the top of the placement rack 12 . The provision of the placement groove 13 can effectively facilitate the positioning of the metal sheet when it is placed on the placement rack 12 .

[0028] When using the embodiment of the utility model, the metal sheet to be bent is placed in the placement groove 13 on the placement frame 12 for positioning and placing, and then the electro-hydraulic push rod 9 is started. The telescopic end of the electro-hydraulic push rod 9 drives the pressing frame 10 to move vertically downward and position and clamp the metal sheet through the pressing groove 11. Finally, the servo motor 5 is started, and the servo motor 5 drives the screw rod 6 to rotate. When the screw rod 6 rotates, it can drive the travel plate 8 along the travel groove 3 toward the bending die seat 14 through the travel block 7. When moving, the travel plate 8 can drive the pressing frame 10 and the clamped metal sheet to move toward the bending groove 15 in the bending die seat 14 through the electro-hydraulic push rod 9. The two sides of the metal sheet extending out of the pressing frame 10 will be turned upward along the inclined groove 16 and bent along the curvature of the bending groove 15 until both sides of the metal sheet are folded out with wing plates turned upward by 90 degrees. The metal sheet can be bent into a U-shaped structure at one time, which can effectively improve its bending efficiency.

[0029] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A CNC automatic bending machine for cable trays, characterized in that: It comprises a bottom plate (1), the top of the bottom plate (1) is fixedly connected to a placement rack (12) and a bending die seat (14), the top of the bending die seat (14) is provided with a bending groove (15), the opening of the bending groove (15) at one end close to the placement rack (12) is larger than the opening at the other end, and the top of the bending die seat (14) is provided with an inclined groove (16); A pressing frame (10) is arranged above the placement frame (12), and a pressing groove (11) is provided at the bottom of the pressing frame (10).

2. According to claim 1, a CNC automatic bending machine for cable trays is characterized in that: A support plate (2) is fixedly connected to one side of the top of the base plate (1), a travel groove (3) is penetrated through the side wall of the top of the support plate (2), a travel plate (8) is slidably connected inside the travel groove (3), one end of the travel plate (8) passing through the travel groove (3) is fixedly connected to a travel block (7), both ends of the bottom of the travel plate (8) are fixedly connected to an electro-hydraulic push rod (9), and the telescopic end of the electro-hydraulic push rod (9) is fixedly connected to a press frame (10).

3. According to claim 2, a CNC automatic bending machine for cable trays is characterized in that: A fixed block (4) is fixedly connected to the plate wall of the support plate (2) away from the pressing frame (10); a servo motor (5) is fixedly connected to the side wall of the fixed block (4) via a fixed frame; an output end of the servo motor (5) is fixedly connected to a lead screw (6) via a coupling; one end of the lead screw (6) movably passes through the fixed block (4) and passes through a travel block (7); and the travel block (7) is threadedly sleeved on the rod wall of the lead screw (6).

4. According to claim 3, a CNC automatic bending machine for cable trays is characterized in that: The servo motor (5) is electrically connected to an external power supply via a PLC controller.

5. According to claim 1, a CNC automatic bending machine for cable trays is characterized in that: A placement groove (13) is provided on the top of the placement rack (12).

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