Metal raw material cutting mechanism

Abstract

The application discloses a metal raw material cutting mechanism and relates to the technical field of metal cutting.The metal raw material cutting mechanism comprises a bottom plate, a driving motor is installed on one side of the top end of the bottom plate, a side frame is fixedly connected to the top end of the bottom plate, a wheel frame is arranged on one side of the side frame, a driven wheel is installed on one side of the wheel frame, a transmission belt is installed between the driving motor and the driven wheel, a reciprocating assembly is installed through the wheel frame and penetrates the driven wheel, an installation assembly is arranged on the top end of the side frame, a saw body is installed between the reciprocating assembly and the installation assembly, a positioning assembly is arranged on the top end of the bottom plate and directly below the saw body, and an angle adjusting assembly is installed between the positioning assembly and the bottom plate.The reset spring arranged on the top end of the side frame is used for vertically stretching and retracting the saw piece, the sliding seat is used for guiding the saw piece, the manual sawing of the saw piece is simulated, the cutting efficiency is improved, and the automatic cutting cost is reduced, the positioning assembly can be used for angle adjustment of the cutting position, and the cutting demand for different angles of the to-be-cut piece is met.

Description

Technical Field

[0001] This invention relates to the field of metal cutting technology, and more specifically to a metal raw material cutting mechanism. Background Technology

[0002] Metal sheets often need to be cut according to the actual dimensions during use. Cutting usually includes conventional flat cutting and bevel cutting adapted to specific usage positions.

[0003] The patent specification with publication number CN104722833A discloses a metal plate cutting device, comprising: a base portion for placing a metal plate; a first transfer frame portion and a second transfer frame portion, respectively located on the upper surface side and the lower surface side of the base portion; a first cutting portion movable along the first transfer frame portion and including a first saw tooth portion, the first saw tooth portion cutting at least a portion of the metal plate including the upper surface of the metal plate by rotation; and a second cutting portion movable along the second transfer frame portion and including a second saw tooth portion, the second saw tooth portion cutting at least a portion of the metal plate including the lower surface of the metal plate by rotation.

[0004] The shortcomings of this technical solution are as follows: First, because metals are widely applicable, this cutting device is suitable for cutting thicker steel plates. However, for a considerable number of cutting needs, such as individual or small-scale manufacturers cutting thin metal plates, manual cutting is time-consuming and labor-intensive, while large-scale machinery and equipment are expensive and energy-intensive, resulting in high costs. In other words, this cutting device is not suitable for individual businesses and small workshops that need to control cutting costs for thinner metal plates. Second, when cutting metal plates, it is often necessary to adapt the angle of cutting according to the actual installation location. This cutting device cannot perform adaptive angle cutting of the cutting plate. Summary of the Invention

[0005] The purpose of this invention is to provide a metal raw material cutting mechanism. The technical problem to be solved is as follows: Existing metal plate cutting devices cannot simultaneously achieve low cost and high efficiency to meet the actual cutting needs of small and micro users, and cannot achieve angled cutting of metal plates.

[0006] The objective of this invention can be achieved through the following technical solutions:

[0007] A metal raw material cutting mechanism includes a base plate, a drive motor mounted on one side of the top of the base plate, a side frame fixedly connected to the top of the base plate, a wheel frame on one side of the side frame, a driven wheel mounted on one side of the wheel frame, a transmission belt installed between the drive motor and the driven wheel, a reciprocating assembly mounted through the wheel frame on the driven wheel, a mounting assembly on the top of the side frame, a saw body installed between the reciprocating assembly and the mounting assembly, a positioning assembly on the top of the base plate directly below the saw body, and an angle adjustment assembly installed between the positioning assembly and the base plate. The positioning assembly is used to fix the metal sheet to be cut, and the angle adjustment assembly is used to adjust the cutting angle of the metal raw material sheet.

[0008] As a further aspect of the present invention: the reciprocating assembly includes a base plate fixedly connected to the inner side of the wheel frame, a bearing is installed between the base plate and the wheel frame at the center of the driven wheel shaft, a rotating shaft is fixedly connected between the inner side of the bearing and the driven wheel, a crank is fixedly connected to the rotating shaft, a connecting rod is rotatably connected to the end of the crank, and a fixing block is rotatably connected to the end of the connecting rod away from the crank.

[0009] As a further embodiment of the present invention: the side frame and the wheel frame are perpendicular to each other, the mounting assembly includes a shaft fixedly connected to the top of the side frame, a return spring is sleeved on the side of the shaft near the transmission belt, a fixed frame is rotatably connected to the side of the shaft away from the return spring, suspension blocks are fixedly connected to both ends of the bottom surface of the fixed frame, at least two guide rods are fixedly connected between the two suspension blocks, a slide block is slidably connected between each guide rod, and the top of the saw body is fixedly connected to the bottom of the slide block in the middle.

[0010] As a further embodiment of the present invention: the horizontal cross-section of the side frame is U-shaped, the vertical cross-section of the fixed frame is L-shaped, one end of the reset spring extends a limiting rod and abuts against the inner side of the side frame, and the other end extends a limiting rod and abuts against the horizontal plate surface of the fixed frame.

[0011] As a further embodiment of the present invention: the positioning component includes a support base placed on the top surface of the base plate, a limiting block is slidably connected to the top of the support base, a slider is engaged between the top of the support base and the limiting block, a sliding groove is provided on the top of the support base to accommodate the slider, a baffle is fixedly connected to one side of the top of the support base, and an adjustment handle is rotatably connected between the other side and the limiting block.

[0012] As a further embodiment of the present invention: the angle adjustment component includes a fixed angle plate fixedly connected to one side of the top of the base plate, a scale fixedly connected to the side of the support base near the fixed angle plate, an adjustment plate installed directly below the positioning component on the base plate, the adjustment plate having an adjustment groove through the center of the base plate, a positioning bolt installed between the adjustment plate and the positioning component, an adjustment block installed at the bottom of the positioning bolt, the adjustment block being slidably connected to the adjustment groove, and a booster plate fixedly connected to one side of the support base.

[0013] As a further aspect of the present invention: the fixed angle disk is fan-shaped, and an angle ruler is provided on the top surface, with the bottom of the ruler located directly above the zero-degree mark of the fixed angle disk.

[0014] As a further aspect of the present invention: the adjusting groove is arc-shaped, and its axis is collinear with the axis of the fixed angle plate; the top of the positioning bolt is rotatably connected to a handle; the bottom of the handle is rotatably connected to a screw; and the top of the adjusting block is fixedly connected to the bottom of the screw.

[0015] The beneficial effects of this invention are:

[0016] 1. In this invention, a drive motor is installed on one side of the base plate, a side frame and a wheel frame are installed next to the drive motor, and a driven wheel is installed between the wheel frame and the drive motor via a transmission belt. At the same time, a reciprocating assembly is connected to the axis of the driven wheel on the other side of the wheel frame, and a mounting assembly is set at the top of the side frame. A saw is installed between the reciprocating assembly and the mounting assembly. The reciprocating contraction of the saw is achieved by a crank structure, and the vertical extension and retraction of the saw is achieved by a return spring set at the top of the side frame. With the guidance of the saw by the slide, the motorization of the manual saw is realized, thereby improving cutting efficiency and reducing automatic cutting costs, making the cutting mechanism more convenient and economical.

[0017] 2. In this invention, a positioning component is positioned below the saw piece, and the positioning component is installed on the base plate by an angle adjustment component. When positioning the saw piece, the clamping width between the limiting block and the baffle is changed by rotating the adjustment handle. A slider and a groove are set to ensure adjustment stability. Then, the angle of the positioning component is adjusted according to the fastening relationship between the positioning bolt and the support seat, thereby meeting the cutting requirements of different angles of the workpiece to be cut. Attached Figure Description

[0018] The invention will now be further described with reference to the accompanying drawings.

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the bottom structure of the present invention;

[0021] Figure 3 This is a partial cross-sectional view of the side of the present invention;

[0022] Figure 4 This is the present invention. Figure 1 Enlarged detail view of point A in the middle;

[0023] Figure 5 This is the present invention. Figure 3 Enlarged detail view of point B in the middle;

[0024] Figure 6 This is a partial structural diagram of the side frame of the present invention.

[0025] In the diagram: 1. Base plate; 2. Drive motor; 3. Side frame; 4. Driven wheel; 5. Reciprocating assembly; 51. Base plate; 52. Rotating shaft; 53. Crank; 54. Connecting rod; 55. Fixing block; 6. Mounting assembly; 61. Shaft; 62. Return spring; 63. Fixing frame; 64. Suspension block; 65. Guide rod; 66. Slide; 7. Saw body; 8. Positioning assembly; 81. Support base; 82. Limiting block; 83. Slider; 84. Slide groove; 85. Baffle; 86. Adjustment handle; 9. Angle adjustment assembly; 91. Angle plate; 92. Ruler; 93. Adjustment plate; 94. Adjustment groove; 95. Positioning bolt; 96. Adjustment block; 97. Push plate. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] like Figures 1 to 6 As shown, a metal raw material cutting mechanism includes a base plate 1. A drive motor 2 is installed on one side of the top of the base plate 1. The drive motor 2 is preferably a servo motor to improve the stability of motor operation. A side frame 3 is fixedly connected to the top of the base plate 1 on one side of the drive motor 2. A wheel frame is set on one side of the side frame 3. A driven wheel 4 is installed on one side of the wheel frame. A transmission belt is installed between the drive motor 2 and the driven wheel 4. The driven wheel 4 passes through the wheel frame and a reciprocating assembly 5 is installed on its inner side. An installation assembly 6 is set at the top of the side frame 3. A saw body 7 is installed between the reciprocating assembly 5 and the installation assembly 6. Specifically, the saw body 7 is a hard steel saw. A positioning assembly 8 is set directly below the saw body 7 at the top of the base plate 1. An angle adjustment assembly 9 is installed between the positioning assembly 8 and the base plate 1. The positioning assembly 8 is used to fix the metal sheet to be cut, and the angle adjustment assembly 9 is used to adjust the cutting angle of the metal raw material sheet.

[0028] like Figure 1 , Figure 3and Figure 4 As shown, the driven wheel 4 is connected to the drive motor 2 via a transmission belt, and is mounted in the middle of the wheel frame via a bearing. The reciprocating assembly 5 includes a base plate 51 fixedly connected to the inner side of the wheel frame. The bearing is mounted on the base plate 51 and the inner side of the wheel frame. A rotating shaft 52 is fixedly connected between the inner side of the bearing and the driven wheel 4. A crank 53 is fixedly connected in the middle of the rotating shaft 52. A connecting rod 54 is rotatably connected to the end of the crank 53. A fixed block 55 is rotatably connected to the end of the connecting rod 54 away from the crank 53.

[0029] It should be noted that during the rotation of the drive motor 2, the driven wheel 4 is driven to rotate through the transmission belt. The shaft 52, which is connected to the driven wheel 4 through the bearing, is also driven to rotate. The shaft 52 drives the crank 53 to rotate. During the rotation of the crank 53, the fixed block 55 installed at the end of the connecting rod 54 drives the saw body 7 connected to it to move. Since the rotation of the crank 53 is centered on the shaft 52, the movement path of the saw body 7 is a reciprocating trajectory.

[0030] like Figure 1 and Figure 6 As shown, the side frame 3 and the wheel frame are fixedly connected to the top side of the base plate 1 at a vertical angle and close to the drive motor 2. The horizontal cross section of the side frame 3 is U-shaped. The mounting assembly 6 includes a shaft 61 fixedly connected to the top of the side frame 3. A return spring 62 is sleeved on the side of the shaft 61 close to the transmission belt. A fixed frame 63 is rotatably connected to the side of the shaft 61 away from the return spring 62. Suspension blocks 64 are fixedly connected to both ends of the bottom surface of the fixed frame 63. Two guide rods 65 are fixedly connected between the two suspension blocks 64. A slide block 66 is slidably connected between the two guide rods 65. The top middle of the saw body 7 is fixedly connected to the bottom surface of the slide block 66. In particular, the vertical cross section of the fixed frame 63 is L-shaped. One end of the return spring 62 extends a limiting rod that abuts against the inner side of the side frame 3, and the other end extends a limiting rod that abuts against the horizontal plate surface of the fixed frame 63.

[0031] It should be noted that, since the saw body 7 is fixedly connected between the side fixing block 55 and the top slide 66, and the slide 66 is in a suspended state connected to the shaft 61 only by the top fixing frame 63, the saw body 7 is periodically reciprocated along the top guide rod 65 while being pulled back and forth by the fixing block 55. At the same time, during the reciprocating process, the return spring 62 has an adaptive extension and contraction process because both ends are limited. The extension and contraction are accompanied by the vertical reciprocating movement of the fixing frame 63. Therefore, under the premise that the drive motor 2 provides power, the automatic simulation of manual sawing of the saw body 7 is realized through the linkage of the reciprocating assembly 5 and the mounting assembly 6. This not only effectively improves the sawing efficiency, but also avoids the need for high-cost automatic sawing equipment.

[0032] like Figures 1 to 3 , Figure 5As shown, the positioning component 8 includes a support base 81 placed on the top of the base plate 1. A limiting block 82 is slidably connected to the top of the support base 81. A slider 83 is engaged between the top of the support base 81 and the limiting block 82. A groove 84 is provided on the top of the support base 81 to accommodate the slider 83. A baffle 85 is fixedly connected to one side of the top of the support base 81, and an adjustment handle 86 is rotatably connected between the other side and the limiting block 82.

[0033] It should be noted that before cutting the thin metal sheet, the workpiece to be cut must be fixed first. The operator first rotates the adjustment handle 86, which drives the limiting block 82 to move along the slide groove 84 to the side away from the baffle 85. During the movement, the limiting block 82 is limited by the slider 83 to maintain the stability of the movement. Then, the workpiece to be cut is placed between the limiting block 82 and the baffle 85, and the adjustment handle 86 is rotated in the opposite direction until the workpiece to be cut is fixed.

[0034] However, the aforementioned structure can only automatically cut the workpiece vertically. When oblique cutting is required, the angle adjustment component 9 is needed to assist in adjusting the cutting angle. Specifically, the angle adjustment component 9 includes a fixed angle plate 91 fixedly connected to one side of the top of the base plate 1. The fixed angle plate 91 has a fan-shaped structure and an angle ruler is set on the top surface. A scale 92 is fixedly connected to the side of the support base 81 near the fixed angle plate 91. The scale 92 is initially aligned with the zero-degree mark of the fixed angle plate 91 (see...). Figure 1 At this time, the cutting action is a vertical cutting; the base plate 1 is installed with an adjustment plate 93 directly below the positioning component 8. The center of the adjustment plate 93 passes through the base plate 1 and is provided with an arc-shaped adjustment groove 94. At the same time, the axis of the adjustment groove 94 is collinear with the axis of the fixed angle plate 91. A positioning bolt 95 is installed between the adjustment plate 93 and the positioning component 8. The top of the positioning bolt 95 is rotatably connected to the handle, the bottom of the handle is rotatably connected to the screw, and the bottom surface of the screw is fixedly connected to the adjustment block 96. The adjustment block 96 is slidably connected to the adjustment groove 94. The support base 81 is fixedly connected to the push plate 97 on the same side as the positioning bolt 95.

[0035] It should be noted that when the cutting angle of the workpiece needs to be adjusted, the operator first rotates the positioning bolt 95 to open the positioning bolt 95 from the adjusting block 96, which is fixedly connected to the screw. Then, the push plate 97 is pushed, and the positioning component 8, placed at the top of the base plate 1, rotates along the arc-shaped adjusting groove 94. During the rotation, the scale 92, which is fixedly connected to one side of the support base 81, indicates the rotation angle. Since the adjusting groove 94 and the fixed angle plate 91 are coaxial, the angle value of the scale on the fixed angle plate 91 is the rotation angle value. When the required cutting angle is reached, the positioning bolt 95 is tightened in the opposite direction. The positioning component 8 is locked by the abutment between the positioning bolt 95 and the adjusting block 96, thus completing the adjustment of the cutting angle and realizing the adjustment of different cutting angles of the workpiece.

[0036] Furthermore, during the process of angle cutting, the angle adjustment component 9 is first adjusted, then the part to be cut is installed at the positioning component 8, and finally the drive motor 2 is turned on to cut the part to be cut in conjunction with the reciprocating component 5 and the installation component 6. This process realizes relatively economical and multi-angle automatic cutting of thin metal sheets, taking into account cutting efficiency and cutting application scenarios, which meets the needs of individual users with small and micro cutting needs.

[0037] The foregoing has provided a detailed description of one embodiment of the present invention, but this description is merely a preferred embodiment and should not be construed as limiting the scope of the invention. All equivalent variations and modifications made within the scope of the claims of this invention should still fall within the patent coverage of this invention.

Claims

1. A metal raw material cutting mechanism, comprising a base plate (1), a drive motor (2) mounted on one side of the top of the base plate (1), a side frame (3) fixedly connected to the top of the base plate (1), a wheel frame provided on one side of the side frame (3), a driven wheel (4) mounted on one side of the wheel frame, and a transmission belt installed between the drive motor (2) and the driven wheel (4), characterized in that, The driven wheel (4) passes through the wheel frame and is equipped with a reciprocating assembly (5). The top of the side frame (3) is provided with an installation assembly (6). A saw body (7) is installed between the reciprocating assembly (5) and the installation assembly (6). The top of the base plate (1) is provided with a positioning assembly (8) directly below the saw body (7). An angle adjustment assembly (9) is installed between the positioning assembly (8) and the base plate (1). The positioning assembly (8) is used to fix the metal sheet to be cut, and the angle adjustment assembly (9) is used to adjust the cutting angle of the metal raw material sheet. The reciprocating assembly (5) includes a base plate (51) fixedly connected to the inner side of the wheel frame. A bearing is installed between the base plate (51) and the wheel frame at the axis of the driven wheel (4). A rotating shaft (52) is fixedly connected between the inner side of the bearing and the driven wheel (4). A crank (53) is fixedly connected to the rotating shaft (52). A connecting rod (54) is rotatably connected to the end of the crank (53). A fixing block (55) is rotatably connected to the end of the connecting rod (54) away from the crank (53). The side frame (3) and the wheel frame are perpendicular to each other. The mounting assembly (6) includes a shaft (61) fixedly connected to the top of the side frame (3). A return spring (62) is sleeved on the side of the shaft (61) near the transmission belt. A fixed frame (63) is rotatably connected on the side of the shaft (61) away from the return spring (62). Suspension blocks (64) are fixedly connected to both ends of the bottom surface of the fixed frame (63). At least two guide rods (65) are fixedly connected between the two suspension blocks (64). A slide block (66) is slidably connected between each guide rod (65). The top of the saw body (7) is fixedly connected to the bottom of the slide block (66) in the middle. The side frame (3) has a U-shaped horizontal cross section, the fixed frame (63) has an L-shaped vertical cross section, one end of the reset spring (62) extends a limiting rod and abuts against the inner side of the side frame (3), and the other end extends a limiting rod and abuts against the horizontal plate surface of the fixed frame (63).

2. The metal raw material cutting mechanism according to claim 1, characterized in that, The positioning component (8) includes a support base (81) placed on the top surface of the base plate (1). A limit block (82) is slidably connected to the top of the support base (81). A slider (83) is engaged between the top of the support base (81) and the limit block (82). A groove (84) is provided on the top of the support base (81) to accommodate the slider (83). A baffle (85) is fixedly connected to one side of the top of the support base (81), and an adjustment handle (86) is rotatably connected between the other side and the limit block (82).

3. The metal raw material cutting mechanism according to claim 2, characterized in that, The angle adjustment assembly (9) includes a fixed angle plate (91) fixedly connected to one side of the top of the base plate (1). A scale (92) is fixedly connected to the side of the support base (81) near the fixed angle plate (91). An adjustment plate (93) is installed on the base plate (1) directly below the positioning assembly (8). The adjustment plate (93) passes through the base plate (1) in the middle and is provided with an adjustment groove (94). A positioning bolt (95) is installed between the adjustment plate (93) and the positioning assembly (8). An adjustment block (96) is installed at the bottom of the positioning bolt (95). The adjustment block (96) is slidably connected to the adjustment groove (94). A booster plate (97) is fixedly connected to one side of the support base (81).

4. The metal raw material cutting mechanism according to claim 3, characterized in that, The fixed angle disk (91) is fan-shaped and has an angle ruler on its top surface. The bottom of the ruler (92) is located directly above the zero degree mark of the fixed angle disk (91).

5. A metal raw material cutting mechanism according to claim 3, characterized in that, The adjusting groove (94) is arc-shaped and its axis is collinear with the axis of the fixed angle plate (91). The top of the positioning bolt (95) is rotatably connected to a handle, and the bottom of the handle is rotatably connected to a screw. The top of the adjusting block (96) is fixedly connected to the bottom of the screw.

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