Hydraulic bending machine for preparing rail transit parts

Abstract

The utility model relates to the technical field of part processing, and provides a hydraulic bending machine for preparing rail transit parts, which comprises a base, an electric control box and a processing mechanism. Two limiting plates make contact with the two sides of a plate through an adjusting assembly, then the upper surface of a placing table is lifted to be consistent with the upper surface of a bending mold in height under the action of an electric hydraulic cylinder A, then a push rod is pushed to enable a connecting block to push the plate to the upper surface of the bending mold, the plate is bent through a bending assembly, and after bending is completed, the plate is placed on the upper surface of the bending mold. And then the push rod drives the connecting block to push the bent plate, so that the bent plate slides down and is collected through the material guide block, and the purpose of accelerating continuous bending work of the bending machine is achieved. By means of the technical scheme, the problems that in the prior art, continuous machining of the bending machine is not convenient, and the machining efficiency of the bending machine is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of parts processing, and specifically, to a hydraulic bending machine for preparing rail transit parts. Background Art

[0002] Rail transit refers to a class of transportation tools or transportation systems in which operating vehicles need to run on specific tracks. This class of transportation tools consists of a large number of parts. During the preparation and processing of these parts, a bending machine is usually required to bend the plates.

[0003] A patent with the patent number CN218855271U discloses a bending machine for positioning automotive parts, including an operating table. A sliding groove is opened on one side of the operating table, and a die assembly is slidably connected inside the sliding groove. A rectangular long groove is opened on the other side of the operating table, and a protective housing is fixedly connected to one end of the rectangular long groove; a moving assembly, one end of the moving assembly is fixedly connected inside the protective housing; a bending assembly, the surface of the bending assembly is fixedly connected to the top end of the operating table.

[0004] However, there are still certain problems in the use of the bending machine for positioning automotive parts in the above patent. The feeding method of moving the die assembly back and forth is not convenient for the continuous processing of the bending machine, which affects the processing efficiency of the bending machine. Therefore, a hydraulic bending machine for preparing rail transit parts is proposed, and the above problems are solved through processing mechanisms such as a placement table. Summary of the Utility Model

[0005] The utility model provides a hydraulic bending machine for preparing rail transit parts, which solves the problem in the related technology that it is not convenient for the bending machine to perform continuous processing and affects the processing efficiency of the bending machine.

[0006] The technical solution of the utility model is as follows:

[0007] A hydraulic bending machine for preparing rail transit parts includes a base for support and an electric control box for controlling the device. The electric control box is fixedly installed at one end of the base, and further includes:

[0008] A processing mechanism, which includes a placement table, an electric hydraulic cylinder A, a limiting component, and a pushing component. The placement table is arranged inside a groove opened at one end of the base and is slidably connected to the inner wall of the groove. The electric hydraulic cylinder A is fixedly connected to the base, and one end of the output shaft of the electric hydraulic cylinder A is fixedly connected to the middle of the lower surface of the placement table. Both the limiting component and the pushing component are connected to the placement table. A bending component is arranged on the side of the placement table away from the electric control box.

[0009] Preferably, the pushing component includes a sleeve and a push rod. The sleeve is fixedly connected to the middle of one end of the placing table through a fixing block. The push rod passes through the sleeve and is slidably connected to the sleeve. A connecting block is fixedly connected to one end of the push rod close to the bending component. One side of the connecting block is magnetically connected to a pushing plate having the same shape as the sheet after bending.

[0010] Preferably, the bending component includes a bending die, a top plate, and an electric hydraulic cylinder B. The bending die is detachably connected to the upper surface of the base through bolts. The top plate is fixedly arranged on the top of the base through a vertical plate. One end of the electric hydraulic cylinder B is fixedly connected to the top plate. One end of the output shaft of the electric hydraulic cylinder B is detachably connected to a pressing die corresponding to the bending die through a mounting plate and bolts.

[0011] Preferably, baffles are respectively arranged on both sides of the bending die. One ends of the two baffles close to the placing table are respectively fixedly connected with limiting plates. The two limiting plates are respectively attached to the upper surface of the placing table. One ends of the two limiting plates far from the baffles are connected to the adjusting component.

[0012] Preferably, the adjusting component includes a reciprocating lead screw and a motor. Sliders are fixedly connected to the bottoms of the two limiting plates. The two sliders are respectively slidably connected to the inner walls of two chutes opened on the upper surface of the placing table. The reciprocating lead screw passes through the two sliders and is rotatably connected to the placing table. The reciprocating lead screw is respectively threadedly connected to the two sliders. The two sides of the middle of the reciprocating lead screw are provided with threads in opposite directions. The motor is fixedly installed on one side of the placing table. One end of the output shaft of the motor is fixedly connected to one end of the reciprocating lead screw.

[0013] Preferably, a blanking component is arranged at one end of the base far from the placing table. The blanking component includes a material guiding block and a threaded rod. A square groove is opened on the base. The material guiding block is arranged inside the square groove and is slidably connected to the inner wall of the square groove. One end of the material guiding block far from the bending die is provided with a slope surface. The threaded rod passes through one end of the material guiding block and is rotatably connected to the base. The threaded rod is threadedly connected to the material guiding block.

[0014] The working principle and beneficial effects of the present utility model are as follows:

[0015] 1. In the present utility model, according to the shape of the sheet metal to be bent, appropriate bending dies and pressing dies are respectively connected to the base and the mounting plate. Then, relevant personnel turn the threaded rod to adjust the top of the material guiding block to the same height as the inner bottom surface of the bending die. Next, the sheet metal to be bent is placed in the middle of the two limiting plates on the placing table. The two limiting plates are brought into contact with both sides of the sheet metal through the adjusting assembly. Then, under the action of the electric hydraulic cylinder A, the upper surface of the placing table is lifted to the same height as the upper surface of the bending die. Relevant personnel push the push rod to make the connecting block push the sheet metal to the upper surface of the bending die. Then, the pressing die is driven by the electric hydraulic cylinder B to bend the sheet metal. After bending is completed, the connecting block is driven by the push rod to push the bent sheet metal, so that it slides through the material guiding block and is collected, achieving the purpose of accelerating the continuous bending work of the bending machine, improving the bending efficiency, and facilitating the limiting bending of sheets of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

[0017] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 is a partially sectional side view structural schematic diagram of the present utility model;

[0019] Figure 3 is a partially three-dimensional structural schematic diagram of the present utility model;

[0020] Figure 4 is a structural schematic diagram of the bending assembly of the present utility model;

[0021] In the figure: 1, base; 2, electric control box; 3, bending assembly; 4, processing mechanism; 5, placing table; 6, electric hydraulic cylinder A; 7, sleeve; 8, push rod; 9, connecting block; 10, bending die; 11, top plate; 12, electric hydraulic cylinder B; 13, pressing die; 14, baffle; 15, reciprocating lead screw; 16, motor; 17, limiting plate; 18, material guiding block; 19, threaded rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0023] Embodiment 1

[0024] As Figures 1 to 4As shown in the figure, this embodiment proposes a hydraulic bending machine for the preparation of rail transit parts, including a base 1 for support and an electric control box 2 for controlling the device. The electric control box 2 is fixedly installed at one end of the base 1, and further includes:

[0025] A processing mechanism 4, which includes a placement table 5, an electric hydraulic cylinder A6, a limiting component, and a pushing component. The placement table 5 is arranged inside a groove opened at one end of the base 1 and is slidably connected to the inner wall of the groove. The electric hydraulic cylinder A6 is fixedly connected to the base 1, and one end of the output shaft of the electric hydraulic cylinder A6 is fixedly connected to the middle of the lower surface of the placement table 5. Both the limiting component and the pushing component are connected to the placement table 5. A bending component 3 is arranged on the side of the placement table 5 away from the electric control box 2.

[0026] Preferably, the pushing component includes a sleeve 7 and a push rod 8. The sleeve 7 is fixedly connected to the middle of one end of the placement table 5 through a fixing block. The push rod 8 passes through the sleeve 7 and is slidably connected to the sleeve 7. One end of the push rod 8 close to the bending component 3 is fixedly connected with a connecting block 9, and one side of the connecting block 9 is magnetically connected to a pushing plate having the same shape as the bent plate. The purpose of this setting is to realize the purpose of pushing the plate and the bent plate by driving the connecting block 9 with the push rod 8.

[0027] Preferably, the bending component 3 includes a bending die 10, a top plate 11, and an electric hydraulic cylinder B12. The bending die 10 is detachably connected to the upper surface of the base 1 through bolts. The top plate 11 is fixedly arranged on the top of the base 1 through a vertical plate. One end of the electric hydraulic cylinder B12 is fixedly connected to the top plate 11, and one end of the output shaft of the electric hydraulic cylinder B12 is detachably connected to a lower pressing die 13 corresponding to the bending die 10 through a mounting plate and bolts. The purpose of this setting is to realize the purpose of bending the plate placed on the bending die 10 by driving the lower pressing die 13 with the electric hydraulic cylinder B12.

[0028] Preferably, baffles 14 are respectively arranged on both sides of the bending die 10. One ends of the two baffles 14 close to the placement table 5 are respectively fixedly connected with limiting plates 17. The two limiting plates 17 are respectively attached to the upper surface of the placement table 5, and one ends of the two limiting plates 17 away from the baffles 14 are connected to an adjusting component. The purpose of this setting is to realize the purpose of maintaining the stability of the plate pushing through the settings of the baffles 14 and the limiting plates 17.

[0029] Preferably, the adjusting assembly includes a reciprocating lead screw 15 and a motor 16. Sliders are fixedly connected to the bottoms of the two limit plates 17. The two sliders are respectively slidably connected to the inner walls of the two chutes opened on the upper surface of the placing table 5. The reciprocating lead screw 15 passes through the two sliders and is rotatably connected to the placing table 5. The reciprocating lead screw 15 is respectively threadedly connected to the two sliders. The two sides in the middle of the reciprocating lead screw 15 are provided with threads in opposite directions. The motor 16 is fixedly installed on one side of the placing table 5. One end of the output shaft of the motor 16 is fixedly connected to one end of the reciprocating lead screw 15. The purpose of this setting is to drive the reciprocating lead screw 15 to rotate through the motor 16, so as to achieve the purpose of driving the two limit plates 17 to drive the baffle 14 to move linearly towards the sides close to and away from each other.

[0030] In this embodiment, according to the shape of the plate to be bent, the appropriate bending die 10 and the lower pressing die 13 are respectively connected to the base 1 and the mounting plate at the bottom of the electric hydraulic cylinder B12. Then, the relevant personnel turn the threaded rod 19 to adjust the top of the material guiding block 18 to be at the same height as the inner bottom surface of the bending die 10. Then, the plate to be bent is placed in the middle of the two limit plates 17 on the placing table 5. By starting the motor 16, the reciprocating lead screw 15 rotates to drive the two limit plates 17 and the baffle 14 to move towards the side close to each other until the two limit plates 17 contact both sides of the plate. Then, under the action of the electric hydraulic cylinder A6, the upper surface of the placing table 5 is lifted to be at the same height as the upper surface of the bending die 10. The relevant personnel push the push rod 8 to make the connecting block 9 push the plate onto the upper surface of the bending die 10. Then, the electric hydraulic cylinder B12 drives the lower pressing die 13 to bend the plate. During the bending process, the electric hydraulic cylinder A6 drives the upper surface of the placing table 5 to move to be at the same height as the inner bottom surface of the bending die 10. After the bending is completed, the push rod 8 drives the connecting block 9 to push the bent plate, so that it slides down through the material guiding block 18 for collection, achieving the purpose of accelerating the continuous bending work of the bending machine, improving the bending efficiency, and facilitating the limit bending of plates of different sizes.

[0031] Embodiment 2

[0032] As Figures 1 to 4 shown, based on the same concept as the above Embodiment 1, this embodiment also proposes that one end of the base 1 away from the placing table 5 is provided with a blanking assembly. The blanking assembly includes a material guiding block 18 and a threaded rod 19. A square groove is opened on the base 1. The material guiding block 18 is arranged inside the square groove and is slidably connected to the inner wall of the square groove. One end of the material guiding block 18 away from the bending die 10 is provided with a slope surface. The threaded rod 19 passes through one end of the material guiding block 18 and is rotatably connected to the base 1. The threaded rod 19 is threadedly connected to the material guiding block 18.

[0033] In this embodiment, by turning the threaded rod 19, the material guiding block 18 makes a reciprocating movement in the vertical direction under the limitation of the base 1, so as to adjust the top of the material guiding block 18 to be flush with the inner bottom surface of the bending die 10, achieving the purpose of facilitating the guiding of the bent plate.

[0034] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hydraulic bending machine for preparing rail transit parts, comprising a base (1) for supporting and an electric control box (2) for controlling the device, wherein the electric control box (2) is fixedly mounted on one end of the base (1), and is characterized in that: Also includes: A processing mechanism (4), the processing mechanism (4) comprising a placement table (5), an electric hydraulic cylinder A (6), a limit assembly and a pushing assembly, the placement table (5) being arranged inside a groove opened at one end of the base (1) and being slidably connected to the inner wall of the groove, the electric hydraulic cylinder A (6) being fixedly connected to the base (1), one end of the output shaft of the electric hydraulic cylinder A (6) being fixedly connected to the middle part of the lower surface of the placement table (5), the limit assembly and the pushing assembly being connected to the placement table (5), and a bending assembly (3) being arranged on a side of the placement table (5) away from the electric control box (2).

2. A hydraulic bending machine for preparing rail transit parts according to claim 1, characterized in that: The pushing assembly comprises a sleeve (7) and a push rod (8); the sleeve (7) is fixedly connected to the middle part of one end of the placement table (5) via a fixed block; the push rod (8) passes through the sleeve (7) and is slidably connected to the sleeve (7); one end of the push rod (8) close to the bending assembly (3) is fixedly connected to a connecting block (9); one side of the connecting block (9) is magnetically connected to a pushing plate having the same shape as the plate after bending.

3. A hydraulic bending machine for preparing rail transit parts according to claim 1, characterized in that: The bending assembly (3) comprises a bending die (10), a top plate (11) and an electric hydraulic cylinder B (12); the bending die (10) is detachably connected to the upper surface of the base (1) via bolts; the top plate (11) is fixedly arranged on the top of the base (1) via a vertical plate; one end of the electric hydraulic cylinder B (12) is fixedly connected to the top plate (11); one end of the output shaft of the electric hydraulic cylinder B (12) is detachably connected to a pressing die (13) corresponding to the bending die (10) via a mounting plate and bolts.

4. A hydraulic bending machine for preparing rail transit parts according to claim 3, characterized in that: Baffles (14) are respectively provided on both sides of the bending mold (10); one end of the two baffles (14) close to the placement table (5) is respectively fixedly connected to a limit plate (17); the two limit plates (17) are respectively fitted with the upper surface of the placement table (5); and one end of the two limit plates (17) away from the baffles (14) is connected to the adjustment component.

5. A hydraulic bending machine for preparing rail transit parts according to claim 4, characterized in that: The adjustment assembly comprises a reciprocating screw (15) and a motor (16); the bottoms of the two limit plates (17) are fixedly connected with sliders; the two sliders are respectively slidably connected to the inner walls of two slide grooves opened on the upper surface of the placement table (5); the reciprocating screw (15) passes through the two sliders and is rotationally connected to the placement table (5); the reciprocating screw (15) is respectively threadedly connected to the two sliders; the two sides of the middle of the reciprocating screw (15) are arranged with threads in opposite directions; the motor (16) is fixedly mounted on one side of the placement table (5); one end of the output shaft of the motor (16) is fixedly connected to one end of the reciprocating screw (15).

6. The hydraulic bending machine for preparing rail transit parts according to claim 1, characterized in that: A material unloading assembly is arranged at one end of the base (1) away from the placement table (5), and the material unloading assembly comprises a material guide block (18) and a threaded rod (19). A square groove is opened on the base (1), and the material guide block (18) is arranged inside the square groove and is slidably connected to the inner wall of the square groove. The end of the material guide block (18) away from the bending mold (10) is arranged as a slope surface, and the threaded rod (19) passes through one end of the material guide block (18) and is rotatably connected to the base (1), and the threaded rod (19) is threadedly connected to the material guide block (18).

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