Protective mechanism of bending machine

Abstract

The utility model provides a protection mechanism of a bending machine, which belongs to the technical field of bending machines, and comprises a base, the upper surface of the base is fixedly connected with a support frame, the top of the support frame is fixedly connected with a support plate, the lower surface of the support plate is fixedly connected with a hydraulic telescopic rod, and the hydraulic telescopic rod is fixedly connected with a hydraulic cylinder. The end, away from the supporting plate, of the hydraulic telescopic rod is fixedly connected with a bending mechanism, a mold and a protection mechanism are fixedly connected to the position, under the bending mechanism, of the base, the protection mechanism comprises a rotating shaft rotationally connected to the supporting plate, and the two ends of the rotating shaft are fixedly connected with supporting rods. A bottom plate is fixedly connected to the end, away from the rotating shaft, of the supporting rod, a protection plate is slidably connected to the bottom plate, and the protection mechanism is driven by a driving mechanism. When the hydraulic telescopic rod retracts, the protection mechanism retracts to the position above the supporting plate, the working environment of workers is not occupied, the sight of the workers is not shielded, and the working efficiency is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of bending machine especially relates to a protection mechanism of bending machine. BACKGROUND

[0002] Metal sheet is often used in life, and different shapes of sheet can play different roles, so it is often necessary to bend the sheet in daily production and life, and the bending machine is a machine for bending the metal sheet.

[0003] Through the search, the utility model discloses a kind of bending machine with protection mechanism, first link board is driven to move down in the workbench inside by connecting frame, further make the link wheel rotate counterclockwise in the workbench inside, link wheel drives second link board and baffle to move up to shield and protect right side of lower mould.

[0004] In the prior art, the connecting frame and the first link board are located in front of the workbench, which can easily block the view of the workers, causing the position deviation when placing the metal sheet, thereby reducing the qualified rate of the bent product, and the connecting frame and the first link board located in front of the workbench affect the operation of the workers, thereby reducing the work efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems mentioned in the background art, and provides a protection mechanism of bending machine.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A protection mechanism of bending machine, comprising a base, a support frame is fixedly connected to the upper surface of the base, a support plate is fixedly connected to the top of the support frame, a hydraulic telescopic rod is fixedly connected to the lower surface of the support plate, a bending mechanism is fixedly connected to the end of the hydraulic telescopic rod away from the support plate, and a die is fixedly connected to the base below the bending mechanism.

[0008] The protection mechanism comprises a rotating shaft rotatably connected to the support plate, support rods are fixedly connected to both ends of the rotating shaft, a bottom plate is fixedly connected to the end of the support rod away from the rotating shaft, a protection plate is slidably connected to the bottom plate, and the protection mechanism is driven by a driving mechanism.

[0009] Preferably, the driving mechanism comprises a sliding block slidably connected to the side wall of the support plate and a gear fixedly connected to the rotating shaft, a rack is fixedly connected to the side wall of the sliding block close to the gear, the rack and the gear are in meshing relationship, a connecting rod is rotatably connected to the side wall of the sliding block away from the support plate, and the end of the connecting rod away from the sliding block is rotatably connected to the bending mechanism.

[0010] Preferably, the end face of the support rod away from the rotating shaft is at an angle of 10° with the horizontal plane.

[0011] Preferably, the length of the protection plate is greater than the length of the bottom plate, and limit blocks are arranged at two ends of the protection plate.

[0012] Preferably, sliding grooves are arranged on the two side walls of the bottom plate, and sliding rails are fixedly connected to the two side walls of the protection plate and are slidingly connected in the sliding grooves.

[0013] Preferably, the number of teeth of the rack is one fourth of the number of teeth of the gear.

[0014] Compared with the prior art, the bending machine protection mechanism has the following advantages:

[0015] During work, the hydraulic telescopic rod is elongated to drive the bending mechanism to move downward, the connecting rod drives the sliding block and the rack to move horizontally away from the support frame, thereby driving the gear and the rotating shaft to rotate clockwise to turn the protection plate to the side of the support plate away from the support frame to protect the staff, and after the bending is completed, the hydraulic telescopic rod is retracted to drive the protection plate to return to the top of the support plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A bending machine protection mechanism structure diagram of a bending machine in a non-working state is provided for the bending machine protection mechanism.

[0017] Figure 2 A bending machine protection mechanism structure diagram of a bending machine in a working state is provided for the bending machine protection mechanism.

[0018] Figure 3 A protection plate and bottom plate structure diagram of the bending machine protection mechanism is provided for the bending machine protection mechanism.

[0019] Figure 4 For Figure 2 An enlarged view of A in the middle.

[0020] In the figure: 1 base, 2 support frame, 3 support plate, 4 hydraulic telescopic rod, 5 bending mechanism, 6 mold, 71 rotating shaft, 72 support rod, 73 bottom plate, 74 protection plate, 731 sliding groove, 741 sliding rail, 742 limit block, 81 sliding block, 82 gear, 83 rack, 84 connecting rod. DETAILED DESCRIPTION

[0021] The technical solutions in the present application will be further described below with reference to the drawings and embodiments.

[0022] Refer toFigures 1-4 The utility model provides a protection mechanism of bending machine, the upper surface of base 1 is fixedly connected with support frame 2, the top of support frame 2 is fixedly connected with support plate 3, the lower surface of support plate 3 is fixedly connected with hydraulic telescopic rod 4, one end of hydraulic telescopic rod 4 away from support plate 3 is fixedly connected with bending mechanism 5, the base 1 below bending mechanism 5 is fixedly connected with mould 6;

[0023] The protection mechanism includes a rotating shaft 71 rotatably connected to the support plate 3, support rods 72 fixedly connected to both ends of the rotating shaft 71, the support rods 72 being at an angle of 10° with the horizontal plane at the ends away from the rotating shaft 71, a bottom plate 73 fixedly connected to the ends of the support rods 72 away from the rotating shaft 71, a protection plate 74 slidably connected to the bottom plate 73, the protection plate 74 being longer than the bottom plate 73, sliding grooves 731 formed in the side walls of the bottom plate 73, sliding rails 741 fixedly connected to the side walls of the protection plate 74 and slidably connected to the sliding grooves 731, and limit blocks 742 provided at both ends of the protection plate 74. The protection mechanism is driven by a driving mechanism. When the protection mechanism is in the horizontal position, the protection plate 74 slides to the side close to the support frame 2 under the action of gravity. When the protection mechanism is in the vertical position, the protection plate 74 slides to the bottom of the bottom plate 73.

[0024] The driving mechanism includes a sliding block 81 slidably connected to the side wall of the support plate 3 and a gear 82 fixedly connected to the rotating shaft 71. A rack 83 is fixedly connected to the side wall of the sliding block 81 close to the gear 82. The rack 83 and the gear 82 are in meshing engagement. The number of teeth of the rack 83 is one fourth of the number of teeth of the gear 82. A connecting rod 84 is rotatably connected to the side wall of the sliding block 81 away from the support plate 3. One end of the connecting rod 84 away from the sliding block 81 is rotatably connected to the bending mechanism 5. When the bending mechanism 5 moves downward for bending work, the driving mechanism drives the protection mechanism to rotate into the vertical plane to protect the workers.

[0025] The utility model can be used through the following operation mode to set forth its function principle: when using, the metal sheet is placed on the mould 6, the hydraulic telescopic rod 4 is started, the hydraulic telescopic rod 4 lengthens and makes the bending mechanism 5 drive the connecting rod 84 to move downward, the connecting rod 84 drives the sliding block 81 and the rack 83 to move horizontally to the direction away from the support frame 2, thereby drive the gear 82 and the rotating shaft 71 to rotate clockwise and rotate the protection mechanism to the side of the support plate 3 away from the support frame 2, the protection plate 74 slides to the bottom of the bottom plate 73 under the action of gravity, and the workers are protected. After bending, the hydraulic telescopic rod 4 is retracted and drives the protection mechanism to return to the top of the support plate 3. The protection plate 74 slides to the side close to the support frame 2 under the action of gravity, which can avoid the situation that the protection plate 74 extends to the outside of the support plate 3, does not occupy the working environment of the workers, does not block the line of sight of the workers, and ensures the work efficiency.

[0026] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. A safeguarding mechanism for a bending machine comprising a base (1), characterized in that, The upper surface of the base (1) is fixedly connected with a support frame (2), the top of the support frame (2) is fixedly connected with a support plate (3), the lower surface of the support plate (3) is fixedly connected with a hydraulic telescopic rod (4), one end of the hydraulic telescopic rod (4) away from the support plate (3) is fixedly connected with a bending mechanism (5), the base (1) below the bending mechanism (5) is fixedly connected with a mold (6). The protection mechanism comprises a rotating shaft (71) rotatably connected to the support plate (3), the two ends of the rotating shaft (71) are fixedly connected with support rods (72), one end of the support rod (72) away from the rotating shaft (71) is fixedly connected with a bottom plate (73), the bottom plate (73) is slidably connected with a protection plate (74), and the protection mechanism is driven by a driving mechanism.

2. The safeguard mechanism of a bending machine according to claim 1, characterized in that, The driving mechanism comprises a sliding block (81) slidably connected to the side wall of the support plate (3) and a gear (82) fixedly connected to the rotating shaft (71), the side wall of the sliding block (81) close to the gear (82) is fixedly connected with a rack (83), the rack (83) and the gear (82) are in meshing engagement, the side wall of the sliding block (81) away from the support plate (3) is rotatably connected with a connecting rod (84), and one end of the connecting rod (84) away from the sliding block (81) is rotatably connected to the bending mechanism (5).

3. The safeguard mechanism of a bending machine according to claim 1, characterized in that, The end face of the support rod (72) away from the rotating shaft (71) forms a 10° angle with the horizontal plane.

4. The safeguard mechanism of a bending machine according to claim 1, characterized in that, The length of the protection plate (74) is greater than the length of the bottom plate (73), and the two ends of the protection plate (74) are provided with limiting blocks (742).

5. The safeguard mechanism of a bending machine according to claim 1, characterized in that, The two side walls of the bottom plate (73) are provided with sliding grooves (731), and the two side walls of the protection plate (74) are fixedly connected with sliding rails (741), the sliding rails (741) are slidably connected in the sliding grooves (731).

6. The safeguard mechanism of a bending machine according to claim 2, characterized in that, The number of teeth of the rack (83) is one fourth of the number of teeth of the gear (82).

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