A device for punching and bending a saw blade

Abstract

This utility model discloses a device for bending saw blades, including a worktable, a mold base fixedly installed on the upper end of the worktable, a stamping block arranged above the worktable, connecting plates fixedly connected to both sides of the stamping block, a movable plate arranged on the side of the stamping block away from the mold base, the connecting plate being fixedly connected to the movable plate, a driving mechanism acting on the movable plate being arranged at the upper end of the worktable, and a forming groove being opened at the end of the mold base near the stamping block. This utility model can bend saw blades by means of the mold base, stamping block, and driving mechanism. The position of the saw blade can be quickly positioned by the two positioning blocks, and the position of the positioning blocks can be quickly adjusted by the adjustment mechanism to ensure that the positioning blocks can be used for saw blades of different lengths. The mold base and stamping block are detachable, which can facilitate bending saw blades into different shapes.

Description

Technical Field

[0001] This utility model relates to the field of saw blade processing technology, specifically a device for bending saw blades. Background Technology

[0002] "Saw blade bending" usually refers to the process of making saw blades into a specific bending shape through punching or other methods during saw blade processing or use, in order to adapt to different usage needs or processing scenarios.

[0003] In some machining processes, the sawing position may be spatially limited (such as narrow gaps or the interior of irregularly shaped workpieces), where straight saw blades cannot penetrate deeply. A bent saw blade can change the cutting direction to adapt to sawing requirements at specific angles. For some thin or easily deformable workpieces, a curved saw blade with a specific curvature can reduce the contact area with the workpiece, lower frictional resistance, and prevent the saw blade from jamming or the workpiece from deforming. It can also meet the needs of special tool designs, such as the saw blades of jigsaws and reciprocating saws, which may be pre-bent at a certain angle before leaving the factory to match the tool's movement trajectory and improve cutting efficiency.

[0004] However, existing saw blade bending devices require different sized positioning structures for positioning saw blades of different lengths, which is cumbersome. Therefore, a saw blade bending device is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a device for bending saw blades to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a device for bending saw blades, comprising a workbench, a mold base fixedly installed at the upper end of the workbench, a stamping block arranged above the workbench, connecting plates fixedly connected to both sides of the stamping block, a movable plate arranged on the side of the stamping block away from the mold base, the connecting plate being fixedly connected to the movable plate, a driving mechanism acting on the movable plate arranged at the upper end of the workbench, a forming groove opened at the end of the mold base near the stamping block, positioning blocks arranged on both sides of the forming groove, a positioning groove opened in the middle of the upper end of the positioning block, and an adjustment mechanism acting on the two positioning blocks arranged on the workbench.

[0007] As a further preferred embodiment of this technical solution, the adjusting mechanism comprises a slider, a double-ended threaded rod, a motor, and a mounting plate. Sliders are fixedly connected to the bottom of both positioning blocks. Both sliders are slidably mounted in a groove on the upper surface of the worktable. A double-ended threaded rod is provided within the groove. The two sliders are threaded onto the two ends of the double-ended threaded rod. Mounting plates are provided on both sides of the groove. The two mounting plates are fixedly connected to the side walls at both ends of the worktable. The two ends of the double-ended threaded rod are rotatably connected to the two mounting plates. A motor is fixedly mounted on the side wall of one mounting plate. A support plate is fixedly mounted at the bottom of the motor. The support plate is fixedly connected to the mounting plate. The output shaft of the motor is fixedly connected to the double-ended threaded rod.

[0008] As a further preferred embodiment of this technical solution, the mold base has two fixing holes.

[0009] As a further preferred embodiment of this technical solution, the connecting plate is provided with a connecting hole, and the movable plate is provided with an adapter hole aligned with the connecting hole.

[0010] As a further preferred embodiment of this technical solution, the end face of the mold base near the stamping block is aligned with the positioning groove.

[0011] As a further preferred embodiment of this technical solution, the driving mechanism includes a cylinder, which is located on the side of the movable plate away from the stamping block. The cylinder is fixedly installed on the upper end of the worktable, and the end of the telescopic rod of the cylinder is fixedly connected to the middle of the side wall of the movable plate.

[0012] As a further preferred embodiment of this technical solution, a fixing plate is provided on both sides of the cylinder, the fixing plate is fixedly connected to the worktable, a guide sleeve is fixedly connected to the end of the fixing plate away from the movable plate, and guide rods are fixedly connected to both sides of the end of the movable plate near the cylinder, the two guide rods slide through the two fixing plates respectively, and the two guide sleeves slide on the outer surface of the two guide rods respectively.

[0013] This utility model provides a device for bending saw blades, which has the following beneficial effects:

[0014] This invention, through the design of a mold base, a stamping block, and a driving mechanism, can bend saw blades. The two positioning blocks can quickly position the saw blade, and the adjustment mechanism can quickly adjust the position of the positioning blocks to ensure that the positioning blocks are applicable to saw blades of different lengths. The mold base and stamping block are detachable, which makes it easy to bend the saw blade into different shapes. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 This is a schematic diagram of the overall structure of this utility model from another perspective;

[0017] Figure 3 In this utility model Figure 1 A partial schematic diagram;

[0018] Figure 4 This is a schematic diagram of the structure of the mold base in this utility model;

[0019] In the diagram: 1. Workbench; 2. Mold base; 3. Stamping block; 4. Cylinder; 5. Guide rod; 6. Fixing plate; 7. Guide sleeve; 8. Connecting plate; 9. Movable plate; 10. Fixing hole; 11. Positioning block; 12. Positioning groove; 13. Slider; 14. Slide groove; 15. Double-ended threaded rod; 16. Motor; 17. Mounting plate; 18. Support plate; 19. Connecting hole. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0021] This utility model provides a technical solution: such as Figures 1 to 4 As shown, in this embodiment, a device for bending saw blades includes a workbench 1, a mold base 2 fixedly installed on the upper end of the workbench 1, a stamping block 3 arranged above the workbench 1, connecting plates 8 fixedly connected to both sides of the stamping block 3, a movable plate 9 arranged on the side of the stamping block 3 away from the mold base 2, the connecting plate 8 and the movable plate 9 fixedly connected, a driving mechanism acting on the movable plate 9 arranged at the upper end of the workbench 1, a forming groove opened at the end of the mold base 2 near the stamping block 3, positioning blocks 11 arranged on both sides of the forming groove, a positioning groove 12 opened in the middle of the upper end of the positioning block 11, and an adjustment mechanism acting on the two positioning blocks 11 arranged on the workbench 1.

[0022] The adjustment mechanism consists of a slider 13, a double-ended threaded rod 15, a motor 16, and a mounting plate 17. The bottom of each of the two positioning blocks 11 is fixedly connected to a slider 13. The two sliders 13 are slidably installed in a groove 14 on the upper surface of the worktable 1. The double-ended threaded rod 15 is installed in the groove 14. The two sliders 13 are threaded onto the two ends of the double-ended threaded rod 15. Mounting plates 17 are installed on both sides of the groove 14. The two mounting plates 17 are fixedly connected to the side walls of both ends of the worktable 1. The two ends of the double-ended threaded rod 15 are rotatably connected to the two mounting plates 17. A motor 16 is fixedly installed on the side wall of one mounting plate 17. A support plate 18 is fixedly installed at the bottom of the motor 16. The support plate 18 is fixedly connected to the mounting plate 17. The output shaft of the motor 16 is fixedly connected to the double-ended threaded rod 15.

[0023] In use, the starter motor 16 drives the double-headed threaded rod 15 to rotate, thereby causing the two sliders 13 to move closer or further apart in the slide groove 14, thus controlling the two positioning blocks 11 to move closer or further apart.

[0024] The mold base 2 has two fixing holes 10.

[0025] The mold base 2 can be fixed by passing the fixing screw through the fixing hole 10 and rotating it into the inside of the worktable 1.

[0026] The connecting plate 8 has a connecting hole 19, and the movable plate 9 has an adapter hole aligned with the connecting hole 19.

[0027] The connecting plate 8 can be fixed to the movable plate 9 through the connecting hole 19, the mating hole, and the external bolts and nuts.

[0028] The end face of the mold base 2 near the stamping block 3 is aligned with the positioning groove 12.

[0029] The drive mechanism includes a cylinder 4, which is located on the side of the movable plate 9 away from the stamping block 3. The cylinder 4 is fixedly installed on the upper end of the workbench 1, and the end of the telescopic rod of the cylinder 4 is fixedly connected to the middle of the side wall of the movable plate 9.

[0030] The movement of the stamping block 3 is controlled by adjusting the length of the telescopic rod of cylinder 4.

[0031] Among them, the cylinder 4 is provided with a fixed plate 6 on both sides, the fixed plate 6 is fixedly connected to the worktable 1, the end of the fixed plate 6 away from the movable plate 9 is fixedly connected to a guide sleeve 7, the movable plate 9 is fixedly connected to both sides of the end close to the cylinder 4, the two guide rods 5 are respectively slidably passing through the two fixed plates 6, and the two guide sleeves 7 are respectively slidably sleeved on the outer surface of the two guide rods 5.

[0032] By using the guide rod 5 and guide sleeve 7, the movement of the movable plate 9 can be made more stable, thereby ensuring that the movement of the stamping block 3 is more stable.

[0033] This utility model provides a device for bending saw blades, the specific working principle of which is as follows:

[0034] In use, the start motor 16 drives the double-headed threaded rod 15 to rotate, thereby causing the two sliders 13 to move closer or further apart in the slide groove 14, which in turn controls the two positioning blocks 11 to move closer or further apart, so that the distance between the two positioning grooves 12 at the far ends is equal to the length of the saw blade to be bent. The two sides of the saw blade to be bent are placed in the positioning grooves 12 of the two positioning blocks 11, thereby positioning the saw blade. The bending area in the middle of the saw blade will automatically be located in front of the forming groove of the mold base 2. By adjusting the length of the telescopic rod of the cylinder 4, the movement of the punching block 3 is controlled, and the punching block 3 is moved towards the forming groove, thereby bending the saw blade. The positioning groove 12 can ensure that the two ends of the saw blade will not lift up.

[0035] When it is necessary to bend saw blades of different lengths, the two positioning blocks 11 can be controlled to move closer to or further away from each other;

[0036] When it is necessary to bend the saw blade into different shapes, the screws between the mold base 2 and the worktable 1 are removed by turning with a screwdriver. The new mold base 2 is installed in the position of the old mold base 2, and the new mold base 2 is fixed again with screws. Then, the bolts on both sides of the stamping block 3 are removed, and a new stamping block 3 that is compatible with the new mold base 2 is replaced. This ensures that the device can bend the saw blade into other shapes.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for bending saw blades, comprising a worktable (1), characterized in that: A mold base (2) is fixedly installed on the upper end of the workbench (1). A stamping block (3) is provided above the workbench (1). A connecting plate (8) is fixedly connected to both sides of the stamping block (3). A movable plate (9) is provided on the side of the stamping block (3) away from the mold base (2). The connecting plate (8) is fixedly connected to the movable plate (9). A driving mechanism acting on the movable plate (9) is provided at the upper end of the workbench (1). A forming groove is opened at the end of the mold base (2) near the stamping block (3). A positioning block (11) is provided on both sides of the forming groove. A positioning groove (12) is opened in the middle of the upper end of the positioning block (11). An adjustment mechanism acting on the two positioning blocks (11) is provided on the workbench (1).

2. The device for bending saw blades according to claim 1, characterized in that: The adjustment mechanism consists of a slider (13), a double-ended threaded rod (15), a motor (16), and a mounting plate (17). The bottoms of both positioning blocks (11) are fixedly connected to sliders (13). Both sliders (13) are slidably mounted in a groove (14) on the upper surface of the workbench (1). A double-ended threaded rod (15) is provided in the groove (14). The two sliders (13) are threaded onto both ends of the double-ended threaded rod (15). The sides of the groove (14) are respectively provided with… A mounting plate (17) is provided, and two mounting plates (17) are respectively fixedly connected to the two end side walls of the workbench (1). The two ends of the double-ended threaded rod (15) are respectively rotatably connected to the two mounting plates (17). A motor (16) is fixedly installed on the side wall of one of the mounting plates (17). A support plate (18) is fixedly installed at the bottom of the motor (16). The support plate (18) is fixedly connected to the mounting plate (17). The output shaft of the motor (16) is fixedly connected to the double-ended threaded rod (15).

3. The device for bending saw blades according to claim 1, characterized in that: The mold base (2) has two fixing holes (10).

4. The device for bending saw blades according to claim 1, characterized in that: The connecting plate (8) has a connecting hole (19), and the movable plate (9) has an adapter hole aligned with the connecting hole (19).

5. The device for bending a saw blade according to claim 1, characterized in that: The end face of the mold base (2) near the stamping block (3) is aligned with the positioning groove (12).

6. The device for bending a saw blade according to claim 1, characterized in that: The driving mechanism includes a cylinder (4), which is located on the side of the movable plate (9) away from the stamping block (3). The cylinder (4) is fixedly installed on the upper end of the workbench (1), and the end of the telescopic rod of the cylinder (4) is fixedly connected to the middle of the side wall of the movable plate (9).

7. The device for bending a saw blade according to claim 6, characterized in that: The cylinder (4) is provided with a fixing plate (6) on both sides. The fixing plate (6) is fixedly connected to the worktable (1). The end of the fixing plate (6) away from the movable plate (9) is fixedly connected with a guide sleeve (7). The movable plate (9) is fixedly connected with guide rods (5) on both sides of the end close to the cylinder (4). The two guide rods (5) slide through the two fixing plates (6) respectively. The two guide sleeves (7) slide on the outer surface of the two guide rods (5) respectively.

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