Roller cutting mechanism and device

Abstract

The utility model discloses a kind of roll cutting mechanism and device, it is related to automobile manufacturing technical field, roll cutting mechanism includes limit block, limit block is provided with the transverse passage compatible with workpiece, workpiece can be from transverse passage and penetrate limit block, it further includes cutting knife and driving mechanism;Limit block is provided with the longitudinal passage communicated with transverse passage;Cutting knife can be inserted longitudinal passage and cut workpiece in transverse passage under the driving of driving mechanism;Cutting knife includes the blade body of sheet, the lower end middle part of blade body is provided with the blade of triangle, and the junction of blade body lower end and blade is provided with arc-shaped groove.

Description

Technical Field

[0001] This utility model relates to the field of automobile manufacturing technology, specifically a roller cutting mechanism and device. Background Technology

[0002] The existing roll forming cutting blade has a simple blade structure and does not fit the cross-sectional shape and angle of the part, resulting in local stress concentration and a surge in deformation at the moment of cutting, causing significant burrs. At the same time, the temperature rise at the moment of cutting is too high, which accelerates the thermal wear and micro-chipping of the tool and seriously shortens the tool life. Utility Model Content

[0003] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a roller pressing and cutting mechanism and device. A new type of cutting blade with a triangular blade and an arc-shaped groove is used to replace the traditional cutting blade, reducing local deformation. At the same time, an oil pipe is configured in the cutting area to spray oil to the contact point between the blade and the workpiece, suppressing temperature rise.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a roller pressing and cutting mechanism, including a limiting block, wherein the limiting block is provided with a transverse channel adapted to the workpiece, and the workpiece can pass through the limiting block through the transverse channel; the mechanism also includes a cutting blade and a driving mechanism; the limiting block is provided with a longitudinal channel communicating with the transverse channel; the cutting blade can be inserted into the longitudinal channel and cut the workpiece in the transverse channel under the drive of the driving mechanism; the cutting blade includes a sheet-like blade body, wherein a triangular cutting edge is provided in the middle of the lower end of the blade body, and an arc-shaped groove is provided at the connection between the lower end of the blade body and the cutting edge.

[0005] A further improvement is that the upper end of the blade body is provided with a connection hole for connecting the drive mechanism.

[0006] A further improvement is that the driving mechanism is a cutting-off cylinder.

[0007] This utility model also provides a roller cutting device, including a base plate, on which the roller cutting mechanism as described above is provided.

[0008] A further improvement is that a frame is installed on the base plate, an oil tank is installed inside the frame, and an oil pump and hydraulic valve are connected to the frame.

[0009] A further improvement is that it also includes an oil pipe, the inlet end of which is connected to a hydraulic valve, and the outlet end of which faces the longitudinal channel opening of the limit block.

[0010] A further improvement is that a coolant tank is provided on the base plate, and the coolant tank is connected to a hydraulic valve.

[0011] A further improvement is that welding feet are provided at the edge of the base plate.

[0012] A further improvement is made in that: a lifting platform is provided on the base plate, and the roller cutting mechanism is installed on the lifting platform; the lifting platform includes a lifting plate, a driving screw and a driven screw, and the driving screw and the driven screw are connected by a sprocket and a chain; a lifting machine is provided at the four top corners of the bottom surface of the lifting plate, of which two lifting machines are connected to the driving screw and the remaining two lifting machines are connected to the driven screw.

[0013] A further improvement is that the lifting platform and the roller cutting mechanism are equipped with a sliding mechanism, which includes a guide rail, a slide table, a transmission screw, and a servo motor; the guide rail is set on the lifting platform, the slide table is slidably set on the guide rail, the transmission screw is connected to the slide table through a nut, and the servo motor is connected to the transmission screw.

[0014] The beneficial effects of this utility model are as follows: In this invention, a new type of cutting blade with a triangular blade and an arc-shaped groove is used to replace the traditional cutting blade, reducing local deformation. At the same time, an oil pipe is configured in the cutting area to spray oil to the contact point between the blade and the workpiece, suppressing temperature rise. Attached Figure Description

[0015] Figure 1 This is a front view of the roller cutting mechanism in an embodiment of this utility model; Figure 2 This is a side view of the roller cutting mechanism in an embodiment of the present invention; Figure 3 This is a top view of the roller cutting mechanism in an embodiment of this utility model; Figure 4 This is a schematic diagram of the cutting blade in an embodiment of the present invention; Figure 5 This is a diagram showing the working state of the cutting blade in an embodiment of this utility model; Figure 6 This is a perspective view of the roller cutting device in the embodiment of this utility model; Figure 7 This is a front view of the roller cutting device in an embodiment of this utility model.

[0016] Figure label: 1-Roller cutting mechanism; 11-Limiting block; 111-Transverse channel; 112-Vertical channel; 12-Cutting blade; 121-Blade body; 122-Blade edge; 123-Arc-shaped groove; 124-Connecting hole; 13-Drive mechanism; 2-Base plate; 21-Frame; 22-Oil tank; 23-Oil pump; 24-Hydraulic valve; 25-Coolant tank; 26-Welding legs; 3-Lifting platform; 4-Sliding mechanism. Detailed Implementation

[0017] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

[0018] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0019] The following description, in conjunction with the accompanying drawings, further illustrates specific embodiments of the present invention, making the technical solution and beneficial effects of the present invention clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0020] See Figures 1-5 As shown, this utility model embodiment provides a roller cutting mechanism, including a limiting block 11, which has a transverse channel 111 adapted to the workpiece, through which the workpiece can pass. It also includes a cutting blade 12 and a driving mechanism 13. The limiting block 11 has a longitudinal channel 112 communicating with the transverse channel 111. The cutting blade 12, driven by the driving mechanism 13, can be inserted into the longitudinal channel 112 and cut the workpiece within the transverse channel 111. The cutting blade 12 includes a sheet-like blade body 121, with a triangular cutting edge 122 at the lower center of the blade body 121, and an arc-shaped groove 123 at the connection between the lower end of the blade body 121 and the cutting edge 122. Specifically, the upper end of the blade body 121 has a connecting hole 124 for connecting the driving mechanism 13. The driving mechanism 13 is a cutting cylinder.

[0021] See Figure 6 and Figure 7As shown, this embodiment of the utility model also provides a roller cutting device, including a base plate 2, on which the roller cutting mechanism 1 as described above is disposed. Specifically, a frame 21 is disposed on the base plate 2, an oil tank 22 is disposed inside the frame 21, and an oil pump 23 and a hydraulic valve 24 are disposed on the frame 21. The roller cutting device also includes an oil pipe, the oil inlet end of which is connected to the hydraulic valve 24, and the oil outlet end of which faces the longitudinal channel 112 opening of the limiting block 11. A coolant tank 25 is disposed on the base plate 2, and the coolant tank 25 is connected to the hydraulic valve 24. Welding feet 26 are disposed at the edge of the base plate 2.

[0022] See Figure 6 and Figure 7 As shown, a lifting platform 3 is provided on the base plate 2, and the roller cutting mechanism 1 is installed on the lifting platform 3; the lifting platform 3 includes a lifting plate, a drive screw and a driven screw, and the drive screw and the driven screw are connected by a sprocket and a chain; a lifting machine is provided at the four top corners of the bottom surface of the lifting plate, two of which are connected to the drive screw and the remaining two are connected to the driven screw.

[0023] See Figure 6 and Figure 7 As shown, the lifting platform 3 and the roller cutting mechanism 1 are equipped with a sliding mechanism 4. The sliding mechanism 4 includes a guide rail, a slide table, a transmission screw, and a servo motor. The guide rail is set on the lifting platform 3, the slide table is slidably set on the guide rail, the transmission screw is connected to the slide table through a screw nut, and the servo motor is connected to the transmission screw.

[0024] In the description of this specification, references to terms such as "an embodiment," "preferred," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. Illustrative expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0025] Based on the above description of the structure and principle, those skilled in the art should understand that this utility model is not limited to the specific embodiments described above. Improvements and substitutions based on this utility model using techniques known in the art all fall within the protection scope of this utility model and should be defined by the claims.

Claims

1. A roller pressing and cutting mechanism, comprising a limiting block (11), wherein the limiting block (11) is provided with a transverse channel (111) adapted to the workpiece, and the workpiece can pass through the limiting block (11) through the transverse channel (111), characterized in that: It also includes a cutting blade (12) and a driving mechanism (13); the limiting block (11) is provided with a longitudinal channel (112) communicating with the transverse channel (111); the cutting blade (12) can be inserted into the longitudinal channel (112) and cut the workpiece in the transverse channel (111) under the drive of the driving mechanism (13); the cutting blade (12) includes a sheet-shaped blade body (121), a triangular blade (122) is provided at the middle of the lower end of the blade body (121), and an arc-shaped groove (123) is provided at the connection between the lower end of the blade body (121) and the blade (122).

2. The roller pressing and cutting mechanism according to claim 1, characterized in that: The upper end of the blade (121) is provided with a connection hole (124) for connecting the drive mechanism (13).

3. The roller pressing and cutting mechanism according to claim 1, characterized in that: The drive mechanism (13) is a cut-off cylinder.

4. A roller pressing and cutting device, comprising a base plate (2), characterized in that: The base plate (2) is provided with a roller cutting mechanism (1) as described in any one of claims 1 to 3.

5. The roller pressing and cutting device according to claim 4, characterized in that: A frame (21) is provided on the base plate (2), an oil tank (22) is provided inside the frame (21), and an oil pump (23) and a hydraulic valve (24) are connected on the frame (21).

6. The roller pressing and cutting device according to claim 5, characterized in that: It also includes an oil pipe, the inlet end of which is connected to a hydraulic valve (24), and the outlet end of which faces the longitudinal channel (112) of the limiting block (11).

7. The roller pressing and cutting device according to claim 5, characterized in that: A coolant tank (25) is provided on the base plate (2), and the coolant tank (25) is connected to the hydraulic valve (24).

8. The roller pressing and cutting device according to claim 4, characterized in that: Welding brackets (26) are provided at the edge of the base plate (2).

9. The roller pressing and cutting device according to claim 4, characterized in that: A lifting platform (3) is provided on the base plate (2), and the roller cutting mechanism (1) is installed on the lifting platform (3); the lifting platform (3) includes a lifting plate, an active screw and a passive screw, and the active screw and the passive screw are connected by a sprocket and a chain; a lifting machine is provided at the four top corners of the bottom surface of the lifting plate, two of which are connected to the active screw and the remaining two are connected to the passive screw.

10. The roller pressing and cutting device according to claim 9, characterized in that: The lifting platform (3) and the roller cutting mechanism (1) are provided with a sliding mechanism (4). The sliding mechanism (4) includes a guide rail, a slide table, a transmission screw and a servo motor. The guide rail is set on the lifting platform (3), the slide table is slidably set on the guide rail, the transmission screw is connected to the slide table through a screw nut, and the servo motor is connected to the transmission screw.

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