Steel belt trimming device

Abstract

The utility model discloses a steel belt trimming device which comprises a base, two tool aprons are arranged on the base, cutting knives are fixedly arranged in the tool aprons, a sliding groove is formed in the base, and two through grooves distributed left and right are formed in the upper side face of the sliding groove. Positioning blocks which penetrate through the through grooves and extend into the sliding grooves are installed on the lower side faces of the left tool apron and the right tool apron correspondingly, a threaded shaft is rotationally connected into the sliding grooves, two opposite threads are machined in the threaded shaft, and the two opposite threads are in threaded connection with the positioning blocks correspondingly; the cutter holders can keep synchronous opposite movement, so that the two cutters can be prevented from shifting left and right integrally, excessive abrasion of the cutter on one side is avoided, the service life of the cutters is prolonged, and the cost is reduced; according to the utility model, the tool apron is abutted against the pressure sensor, and a worker can judge whether the cutting tool is greatly abraded or not according to data transmitted by the pressure sensor.

Description

Technical Field

[0001] This utility model relates to the field of steel strip technology, and in particular to a steel strip trimming device. Background Technology

[0002] After the steel strip is produced, there may be defects such as burrs, flash, and wavy edges at its edges. These defects not only affect the appearance quality of the steel strip, but may also cause safety problems during subsequent processing and use. Therefore, it is necessary to trim the edges of the steel strip.

[0003] As shown in the steel strip trimming device disclosed in application numbers CN202021920543.2 or CN202320144734.1, the current steel strip trimming devices are equipped with a cutting control system to adapt to steel strips of different specifications. This system can control the left and right positions of the cutting blade. However, both of the above devices use a screw to control the position of one cutting blade. This control method is prone to causing both cutting blades to deviate together, resulting in severe wear on one side of the cutting blade and insufficient cutting amount on the other side of the steel strip, which affects the quality of the steel strip. Therefore, improvement is needed. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a steel strip trimming device to solve the problems mentioned in the background section.

[0005] This utility model provides the following technical solution: a steel strip trimming device, including a base, on which two blade holders are symmetrically distributed, and a cutting blade is fixed inside the blade holder, with the cutting head inside the cutting blade extending outside the blade holder, so that the two cutting blades are arranged opposite to each other;

[0006] The base is provided with a sliding groove, and the upper side of the sliding groove is provided with two through grooves distributed on the left and right. The lower sides of the two tool holders on the left and right are respectively equipped with positioning blocks that pass through the through grooves and extend into the sliding groove. A threaded shaft is rotatably connected in the sliding groove. The threaded shaft is machined with two opposite threads, and the two opposite threads are respectively threaded to one of the positioning blocks.

[0007] Preferably, a handwheel is fitted at the end of the threaded shaft extending outside the base.

[0008] Preferably, the handwheel includes a disc body and a handle. The disc body is fixed to the threaded shaft. The handle passes through a through hole in the disc body, and a screw is integrally formed at one end of the handle near the base. The side of the base is provided with a screw hole adapted to the screw. Multiple screw holes are provided and are evenly distributed around the axis of the threaded shaft.

[0009] Preferably, the diameter of the screw is larger than the diameter of the through hole.

[0010] Preferably, the tool holder is rotatably connected to the positioning block, and further includes a pressure sensing component, wherein two pressure sensing components are provided and act on the two tool holders respectively;

[0011] The pressure sensing component includes a fixing plate disposed on the base at the rear side of the tool holder, and a pressure sensor is mounted on the fixing plate, with the sensing end of the pressure sensor abutting against the rear side of the tool holder.

[0012] Preferably, the base is provided with a limiting plate to restrict the forward swing of one end of the cutter housed in the cutter holder.

[0013] Preferably, the distance between the left and right sides of the positioning block and the left and right sides of the tool holder is not less than the difference between the left and right widths of the through groove and the left and right widths of the positioning block.

[0014] This utility model provides a steel strip trimming device, which has the following beneficial effects:

[0015] The blade holder in this invention can maintain synchronous opposite movement. This design can prevent the two blades from shifting to the left or right, avoid excessive wear on one side of the blade, improve the service life of the blade, and reduce costs.

[0016] The blade holder in this invention abuts against a pressure sensor, and the operator can use the data transmitted by the pressure sensor to determine whether the cutter has significant wear and whether the cutter needs to be replaced. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the appearance of this utility model;

[0018] Figure 2 This is a schematic diagram of the appearance of this utility model from another perspective;

[0019] Figure 3 This is a schematic diagram of the structure within this utility model.

[0020] In the picture:

[0021] 11. Base; 12. Tool holder; 13. Cutting blade; 14. Slide groove; 15. Positioning block; 16. Threaded shaft; 17. Handwheel; 18. Fixing plate; 91. Disc body; 92. Handle; 93. Screw hole. Detailed Implementation

[0022] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0023] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or 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. Therefore, they should not be construed as limitations on this utility model.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] Reference Figures 1-3 According to an embodiment of the steel strip trimming device of the present invention, a base 11 is provided, and two blade holders 12 are symmetrically distributed on the base 11. A cutting blade 13 is fixedly provided in the blade holder 12, and the cutting head of the cutting blade 13 extends to the outside of the blade holder 12 so that the two cutting blades 13 are arranged opposite to each other.

[0027] When trimming the steel strip, the base 11 is fixed on the frame, and the steel strip is pulled and driven backward by other traction equipment. During this process, the left and right edges of the steel strip are trimmed by the left and right cutters 13 respectively.

[0028] To enable the two tool holders 12 and the cutting blade 13 to move synchronously in opposite directions to accommodate steel strips of different sizes, the tool holders 12 are installed as follows: the base 11 has a sliding groove 14, and the upper side of the sliding groove 14 has two through slots distributed to the left and right. The lower sides of the two tool holders 12 are respectively equipped with positioning blocks 15 that pass through the through slots and extend into the sliding groove 14. A threaded shaft 16 is rotatably connected in the sliding groove 14. The threaded shaft 16 has two opposite threads machined in it, and the two opposite threads are respectively threaded to one of the positioning blocks 15.

[0029] With this setup, the operator only needs to rotate the threaded shaft 16 to make the two tool holders 12 and the cutting blade 13 move synchronously in opposite directions, avoiding the phenomenon that the two cutting blades 13 will shift back and forth as a whole.

[0030] Furthermore, the distance between the left and right sides of the positioning block 15 and the left and right sides of the cutter holder 12 is not less than the difference between the left and right width of the through groove and the left and right width of the positioning block 15. That is, no matter whether the cutter holder 12 is at the left or right limit, the through groove and the slide groove 14 will not be exposed, thus preventing the debris cut by the cutter 13 from entering the slide groove 14.

[0031] To facilitate the rotation of the threaded shaft 16, a handwheel 17 is installed at the end of the threaded shaft 16 extending outside the base 11.

[0032] To prevent the handwheel 17 from rotating uncontrolled due to equipment vibration, the handwheel 17 is designed to include a disc 91 and a handle 92. The disc 91 is fixed to the threaded shaft 16, and the handle 92 passes through a through hole in the disc 91. The handle 92 has a screw integrally formed at one end near the base 11. The side of the base 11 is provided with screw holes 93 adapted to the screw. Multiple screw holes 93 are provided and are evenly distributed around the axis of the threaded shaft 16.

[0033] The operator can control the rotation of the threaded shaft 16 by holding the handle 92. After adjusting the position of the tool holder 12 and the cutting blade 13, the operator can push the handle 92 inward and screw it into the nearest threaded hole 93. At this time, the angle of the handwheel 17 and the position of the tool holder 12 and the cutting blade 13 are defined.

[0034] It should be noted that, in order to prevent the grip 92 from dislodging from the disc 91 to the left, the diameter of the screw is larger than the diameter of the through hole.

[0035] In a second embodiment of the steel strip trimming device, in order to facilitate monitoring of the cutting effect of the cutter 13 and avoid the situation where the cutter 13 becomes ineffective due to wear and the operator does not notice it, the cutter holder 12 is configured to be rotatably connected to the positioning block 15, and also includes a pressure sensing component. There are two pressure sensing components, which act on the two cutter holders 12 respectively.

[0036] The pressure sensing component includes a fixing plate 18 disposed on the base 11 on the rear side of the tool holder 12, and a pressure sensor is mounted on the fixing plate 18, with the sensing end of the pressure sensor abutting against the rear side of the tool holder 12.

[0037] When the steel strip is pulled backward and trimmed by the cutter 13, the cutter 13 and one end of the cutter holder 12 will be dragged backward and abut against the pressure sensor under the action of friction. If the pressure sensor senses that the pressure is too low, it can be considered that the cutter 13 is severely worn and needs to be replaced. In addition, the method of the pressure sensor sensing the pressure and transmitting it to the control panel for display via electrical signal is existing technology and will not be described in detail here.

[0038] In addition, the base 11 is provided with a limiting plate (not shown in the figure) that restricts the forward swing of one end of the cutter 13 contained in the cutter holder 12, and the rear end of the fixing plate 18 is provided with a reinforcing rib to strengthen the fixing plate 18.

[0039] The above description is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present utility model are covered by the patent scope of the present utility model.

Claims

1. A steel strip trimming device, comprising a base (11), characterized in that: The base (11) is provided with two symmetrically distributed blade holders (12), and a cutting blade (13) is fixedly installed inside the blade holder (12). The blade head inside the cutting blade (13) extends outside the blade holder (12) so that the two cutting blades (13) are arranged opposite to each other. The base (11) is provided with a sliding groove (14), and the upper side of the sliding groove (14) is provided with two through grooves distributed on the left and right. The lower sides of the two tool holders (12) on the left and right are respectively equipped with positioning blocks (15) that pass through the through grooves and extend into the sliding groove (14). A threaded shaft (16) is rotatably connected in the sliding groove (14). Two opposite threads are machined in the threaded shaft (16), and the two opposite threads are respectively threaded to one of the positioning blocks (15).

2. The steel strip trimming device according to claim 1, characterized in that: The threaded shaft (16) extends to the end outside the base (11) and is fitted with a handwheel (17).

3. The steel strip trimming device according to claim 2, characterized in that: The handwheel (17) includes a disc (91) and a handle (92). The disc (91) is fixed on the threaded shaft (16). The handle (92) passes through the through hole in the disc (91). The handle (92) has a screw integrally formed at one end near the base (11). The side of the base (11) is provided with a screw hole (93) adapted to the screw. There are multiple screw holes (93) and they are evenly distributed with the axis of the threaded shaft (16) as the center.

4. The steel strip trimming device according to claim 3, characterized in that: The diameter of the screw is larger than the diameter of the through hole.

5. A steel strip trimming device according to claim 1, characterized in that: The tool holder (12) is rotatably connected to the positioning block (15) and also includes a pressure sensing component. There are two pressure sensing components, which act on the two tool holders (12) respectively. The pressure sensing component includes a fixing plate (18) on the base (11) located on the rear side of the tool holder (12), and a pressure sensor is mounted on the fixing plate (18), with the sensing end of the pressure sensor abutting against the rear side of the tool holder (12).

6. A steel strip trimming device according to claim 5, characterized in that: The base (11) is provided with a limiting plate that restricts the forward swing of one end of the cutter (13) contained in the cutter holder (12).

7. The steel strip trimming device according to claim 1, characterized in that: The distance between the left and right sides of the positioning block (15) and the left and right sides of the tool holder (12) is not less than the difference between the left and right width of the through groove and the left and right width of the positioning block (15).

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