Edge cutting device for cold-rolled steel strip

Abstract

The invention belongs to the technical field of steel strip trimming, and particularly relates to a cold-rolled steel strip trimming device which comprises a trimming device body, a collecting cavity is formed in the upper end of the trimming device body, a collecting frame is slidably connected to the bottom of an inner cavity of the collecting cavity, and a steel strip width adjusting assembly is arranged in the inner cavity of the collecting cavity. The steel belt width adjusting assembly comprises a fixing frame fixedly connected to the inner wall of the collecting cavity, a two-way threaded rod is rotationally connected to an inner cavity of the fixing frame, one end of the two-way threaded rod penetrates through the edge cutting device body and is fixedly connected with a crank, and the outer portion of the two-way threaded rod is in threaded connection with two T-shaped sliding blocks. The problems that a cutter is fixed, redundant corners of a steel belt make contact with the cutter to achieve edge cutting in the process that the steel belt is pulled by rolling equipment to move, if the cutter cannot cut all the redundant corners of the steel belt at a time, the cutter pulls the redundant corners to tear the whole steel belt, and the edge cutting efficiency is high are solved. And the problem that the steel belt is torn is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of steel strip trimming, in particular to a cold-rolled steel strip trimming device. Background Art

[0002] After the steel strip is cold rolled, there will be excess scraps on both sides of the steel strip, which appear to be relatively rough on a macro scale. In order to meet the quality requirements of the steel strip, trimming equipment is usually used to trim both sides of the steel strip.

[0003] At present, when a traditional steel strip trimming device trims a cold-rolled steel strip, the steel strip coil is installed on a placement rack located on one side of the trimming device, and the steel strip on the steel strip coil is pulled out and installed on a winding device on one side of the trimming device, so that the steel strip passes through the inner cavity of the trimming device, and then the steel strip is pulled and wound by the winding device. When the steel strip is pulled through the inner cavity of the trimming device, the excess corners of the steel strip can contact the cutting knife, so that the excess corners are cut off by the cutting knife.

[0004] In actual application of the above scheme, the steel strip is wound and moved by pulling the external winding equipment, and the steel strip passes through the inner cavity of the trimming device, and the trimming device is used to limit the two sides of the steel strip to prevent the steel strip from deviating during the winding process. The trimming device will also drive the cutting knife to fit the two sides of the steel strip. If there are excess corners on the steel strip, the cutting knife will be used to cut and repair the excess corners on both sides of the steel strip. However, there are still some problems. Since the cutting knife is fixed and the steel strip is pulled and moved by the winding equipment, the excess corners of the steel strip are brought into contact with the cutting knife to achieve trimming. If the cutting knife cannot cut off all the excess corners of the steel strip at once, the cutting knife will pull the excess corners and tear the entire steel strip, causing the steel strip to tear. Moreover, after the excess corners are cut off, a large number of burrs will be generated on both sides of the cut edge of the steel strip. If the burrs are not polished off, the quality of the steel strip will also be affected.

[0005] To this end, the present invention provides a cold-rolled steel strip trimming device. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve the technical problem is as follows: a cold-rolled steel strip trimming device described in the present invention comprises a trimming device body, a collecting chamber is opened at the upper end of the trimming device body, and a collecting frame is slidably connected to the bottom of the inner cavity of the collecting chamber, and a steel strip width adjustment component is arranged in the inner cavity of the collecting chamber; The steel strip width adjustment assembly includes a fixed frame fixedly connected to the inner wall of the collecting chamber, the inner cavity of the fixed frame is rotatably connected with a two-way threaded rod, and one end of the two-way threaded rod passes through the trimming device body and is fixedly connected to a crank, the external threaded connection of the two-way threaded rod is two T-slide blocks, and the upper ends of the two T-slide blocks are fixedly connected to a second clamping plate, both sides of the upper end surface of the second clamping plate are slidably connected with T-slide bars, the upper ends of the T-slide bars are fixedly connected to a first clamping plate, a through groove is provided between the first clamping plate and the second clamping plate, a plurality of cutting and pressing wheels are rotatably connected in the inner cavity of the through groove, and the plurality of cutting and pressing wheels are symmetrically arranged with each other, a cutting knife is installed in the upper end of the second clamping plate, and the cutting knife is slidably connected to the first clamping plate, and a grinding block is provided between the cutting knives.

[0008] Preferably, a plurality of rotating grooves are provided on the upper end surface of the second splint, and a rotating block is rotatably connected to the inner cavities of the plurality of rotating grooves, two groups of receiving grooves are symmetrically provided on both sides of the rotating block, and each group of receiving grooves consists of two receiving grooves, and two semicircular grinding plates are provided on the outside of the rotating block.

[0009] Preferably, a micro spring is fixed to the bottom of the inner cavity of the storage groove, one end of the micro spring is fixed to an I-shaped sliding column, one end of the I-shaped sliding column is fixed to a semicircular grinding plate, the upper end of the rotating block is fixed to a T-shaped sliding column, and the T-shaped sliding column is slidably connected to the first clamping plate.

[0010] Preferably, two first springs are symmetrically fixedly connected to the lower end surface of the second clamping plate, and one end of the two first springs is fixedly connected to the T-shaped sliding bar.

[0011] Preferably, two rotating disks are symmetrically rotatably connected to one side of the inner cavity of the through groove, and a plurality of tooth blocks are arranged on the outside of the two rotating disks, and the tooth blocks on the outside of the two rotating disks are staggered with each other, and a grinding plate is arranged in an annular shape on the outside of the cutting and pressing wheel.

[0012] Preferably, four fixing sleeves are symmetrically fixedly connected to both ends of the first clamping plate and the second clamping plate, and the inner cavities of the four fixing sleeves are rotatably connected to a rotating column, and a rubber cushion layer is arranged on the outside of the rotating column.

[0013] Preferably, the inner wall of the collecting chamber is provided with four grooves, and the inner cavities of the four grooves are all fixedly connected with fixing columns, the outer part of the fixing columns is slidably connected with limiting blocks, and pressure plates are fixedly connected between the limiting blocks.

[0014] Preferably, a velvet brush is provided on the lower end surface of the pressing plate, a second spring is fixedly connected to the upper end of the limiting block, and the second spring is fixedly connected to the inner wall of the groove, and velvet brushes are provided on both sides of the upper end of the trimming device body.

[0015] Preferably, two fixed rods are symmetrically fixed at both ends of the trimming device body, one end of the trimming device body is rotatably connected to a transmission sprocket, the transmission sprocket is externally connected to a chain, two driven sprockets are transmission-connected at both ends of the chain, and the two driven sprockets are rotatably connected to the fixed rod, and one end of the driven sprocket passes through the fixed rod and is fixed with a steel belt retracting assembly.

[0016] Preferably, the steel belt retracting and releasing assembly includes a transmission column rotatably connected to the inside of a fixed rod, a limiting slide groove is provided inside the transmission column, a bidirectional screw rod is rotatably connected to the inner cavity of the limiting slide groove, and the external thread of the bidirectional screw rod is connected to two sliding plates, the external parts of the two sliding plates are rotatably connected to a pushing rod, and one end of the pushing rod is rotatably connected to a clamping rod.

[0017] The beneficial effects of the present invention are as follows: 1. A cold-rolled steel strip trimming device described in the present invention is configured to install the steel strip between a first clamping plate and a second clamping plate, and then use an external winding device to pull the steel strip for winding. During the movement of the traction steel strip, if there are excess corners on both sides of the steel strip, the steel strip will slide between the cutting and pressing wheels, and the cutting and pressing wheels will be used to roll the excess corners on both sides of the steel strip. After the excess corners on both sides of the steel strip are rolled out with cutting marks, the steel strip moves with the traction of the external winding device, and the cutting blades will be used to cut the excess corners on both sides of the steel strip along the cutting marks produced by the rolling. At the same time, the grinding blocks between the cutting blades will be used to cut off the excess corners on the steel strip. The excess corners are ground and repaired, thereby solving the problem that when the existing cold-rolled steel strip trimming device trims the excess corners on both sides of the steel strip, the steel strip is pulled by an external winding device for winding and moving, so that the steel strip passes between the trimming devices, and then the excess corners of the steel strip are cut and repaired by the cutting knife. However, since the cutting knife is fixed and the steel strip is pulled by the winding device for moving, the excess corners of the steel strip are brought into contact with the cutting knife to achieve trimming. If the cutting knife cannot cut off all the excess corners of the steel strip at once, the cutting knife will pull the excess corners and tear the entire steel strip, causing the steel strip to tear.

[0018] 2. The cold-rolled steel strip trimming device described in the present invention, in the process of the steel strip moving between the first clamping plate and the second clamping plate, the excess corners on both sides of the steel strip will slide between the cutting and pressing wheels of the first clamping plate and the second clamping plate, and then the excess corners on both sides of the steel strip will be rolled by the cutting and pressing wheels, and at the same time, the grinding sheets arranged in a ring shape on the outside of the cutting and pressing wheels are used to grind the two sides of the steel strip, and then the two sides of the steel strip are shaped, and after the excess corners on both sides of the steel strip move between the rotating disks, the tooth blocks on the outside of the rotating disks are used to cut holes in the marks pressed by the roller, so as to facilitate the cutting knife to cut the marks pressed along the roller, thereby improving the efficiency of the steel strip trimming, and preventing the cutting knife from being unable to cut off all the excess corners of the steel strip at once, resulting in the cutting knife pulling the excess corners and tearing the entire steel strip, causing the steel strip to tear. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below in conjunction with the accompanying drawings.

[0020] Figure 1 It is a schematic diagram of the structure of the main view of the present invention as a whole; Figure 2 It is a schematic diagram of the structure of the rear-view stereogram of the present invention; Figure 3 It is a half-section schematic diagram of the internal structure of the rotating block of the present invention; Figure 4 It is a schematic diagram of the partial cross-sectional structure of the main body of the trimming device of the present invention; Figure 5 It is a schematic diagram of a half-section structure of the main body of the trimming device of the present invention; Figure 6 It is a schematic diagram of the structure of the interior of a half-section of a groove of the present invention; Figure 7 It is a schematic diagram of a partial cross-sectional structure of the second splint of the present invention; Figure 8 It is a schematic diagram of the internal structure of a half-section of a rotating column of the present invention; In the figure: 1. Main body of the trimming device; 2. Handle; 3. Fixing rod; 4. Steel belt retracting and releasing assembly; 41. Transmission column; 42. Limiting slide groove; 43. Bidirectional screw rod; 44. Sliding plate; 45. Push rod; 46. Clamp rod; 5. Fixed frame; 6. First clamping plate; 7. Through groove; 8. Cutting and pressing wheel; 9. Fixed sleeve; 10. Rotating column; 11. Pressing plate; 12. Bidirectional threaded rod; 13. T-shaped slider; 14. Driving sprocket; 15. Chain; 16. Driven sprocket; 17. T-shaped slide column; 18. Rotating block; 19. Storage groove; 20. Micro spring; 21. I-shaped slide column; 22. Semicircular grinding disc; 23. Cutting knife; 24. Second clamping plate; 25. Rotating disk; 26. T-shaped slide rod; 27. First spring; 28. Collecting frame; 29. ​​Groove; 30. Fixed column; 31. Second spring; 32. Limit block; 33. Collecting chamber; 34. Tooth block; 35. Grinding disc. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0022] Example:

[0023] like Figures 1 to 8 As shown, a cold-rolled steel strip trimming device according to an embodiment of the present invention comprises a trimming device body 1, a collecting chamber 33 is opened at the upper end of the trimming device body 1, and a collecting frame 28 is slidably connected to the bottom of the inner cavity of the collecting chamber 33, and a steel strip width adjustment component is arranged in the inner cavity of the collecting chamber 33; The steel strip width adjustment assembly includes a fixed frame 5 fixedly connected to the inner wall of the collecting chamber 33, and the inner cavity of the fixed frame 5 is rotatably connected with a bidirectional threaded rod 12, and one end of the bidirectional threaded rod 12 passes through the trimming device body 1 and is fixedly connected with a crank 2, the outer thread of the bidirectional threaded rod 12 is threadedly connected with two T-shaped sliders 13, and the upper ends of the two T-shaped sliders 13 are fixedly connected with a second clamping plate 24, and both sides of the upper end surface of the second clamping plate 24 are slidably connected with T-shaped slide bars 26, and the upper ends of the T-shaped slide bars 26 are fixedly connected with a first clamping plate 6, and a through groove 7 is provided between the first clamping plate 6 and the second clamping plate 24, and a plurality of cutting and pressing wheels 8 are rotatably connected in the inner cavity of the through groove 7, and the plurality of cutting and pressing wheels 8 are symmetrically arranged with each other, and a cutting knife 23 is installed in the upper end of the second clamping plate 24, and the cutting knife 23 is slidably connected to the first clamping plate 6, and a grinding block is provided between the cutting knives 23.

[0024] Specifically, in the prior art, the steel strip is wound and moved by pulling the external winding device, and the steel strip is passed between the trimming devices, and the trimming devices are used to limit the two sides of the steel strip to prevent the steel strip from deviating during the winding process. Then, the trimming device is used to drive the cutting blade to fit the two sides of the steel strip. If there are excess corners on the steel strip, the cutting blade will be used to cut and repair the excess corners on both sides of the steel strip. However, since the cutting blade is fixed and the steel strip is pulled and moved by the winding device, the excess corners of the steel strip are contacted with the cutting blade to achieve trimming. If the cutting blade cannot cut off all the excess corners of the steel strip at once, the cutting blade will pull the excess corners and tear the entire steel strip, causing the steel strip to tear. The present invention passes one end of the steel strip through the collecting chamber 33 and is installed between the first clamping plate 6 and the second clamping plate 24, and then uses the external winding device to pull the steel strip for winding. During the process of the steel strip being pulled and moved by the external winding device, if there are excess corners on both sides of the steel strip, the steel strip will slide between the cutting and pressing wheels 8, and the excess corners on both sides of the steel strip will be rolled by the cutting and pressing wheels 8. There are multiple cutting and pressing wheels 8, which are symmetrically arranged with each other, so that the excess corners on both sides of the steel strip can be rolled multiple times by using the multiple cutting and pressing wheels 8, so that the marks made by the rolling are deepened and thinned, thereby improving the stability and safety of the steel pipe trimming. After the excess corners on both sides of the steel strip are rolled out with cutting marks, the steel strip moves with the traction of the external winding device, and the cutting knife 23 is used to cut the excess corners made by the rolling. The cutting marks are used to cut the redundant corners on both sides of the steel strip, and at the same time, the grinding blocks between the cutting knives 23 are used to grind and repair the redundant corners of the steel strip to ensure the flatness of both sides of the steel strip, thereby solving the problem that when the existing cold-rolled steel strip trimming device trims the redundant corners on both sides of the steel strip, the steel strip is pulled by the external winding device for winding and moving, so that the steel strip passes between the trimming devices, and then the redundant corners of the steel strip are cut and repaired by the cutting knife. However, since the cutting knife is fixed and the redundant corners of the steel strip are contacted with the cutting knife during the process of pulling the steel strip by the winding device, if the cutting knife cannot cut off all the redundant corners of the steel strip at once, it will cause the cutting knife to pull the redundant corners and tear the entire steel strip, causing the steel strip to tear; When trimming steel strips of different widths, the crank 2 is driven to rotate, thereby driving the bidirectional threaded rod 12 to rotate. During the rotation process, the bidirectional threaded rod 12 will threadably drive the two T-shaped sliders 13 to move closer to each other in the inner cavity of the fixed frame 5, thereby causing the T-shaped slider 13 to drive the second clamping plate 24 to move synchronously, and at the same time, the second clamping plate 24 drives the first clamping plate 6 to move, thereby facilitating adjustment according to the width of the steel strip, so that the first clamping plate 6 and the second clamping plate 24 can clamp and limit the steel strip, thereby improving the practicability of the cold-rolled steel strip trimming device, thereby solving the problem that when the existing cold-rolled steel strip trimming device is used to trim and repair steel strips of different widths, it is inconvenient to adjust the spacing of the trimming device according to the width of the steel strip, resulting in difficulty in trimming and repairing steel strips of different widths.

[0025] like Figure 1 and Figure 7 As shown, a plurality of rotating grooves are provided on the upper end surface of the second clamping plate 24, and a rotating block 18 is rotatably connected to the inner cavity of the plurality of rotating grooves. Two groups of receiving grooves 19 are symmetrically provided on both sides of the rotating block 18, and each group of receiving grooves 19 consists of two receiving grooves 19. Two semicircular grinding discs 22 are provided on the outside of the rotating block 18.

[0026] Specifically, after the excess corners of the steel strip are cut off, as the external winding equipment pulls the steel strip to be wound and moved, the semicircular grinding disc 22 can be used to grind both sides of the steel strip to prevent the inconvenience of grinding both sides of the steel strip after the excess corners on both sides of the steel strip are cut off, resulting in a large number of burrs affecting the quality of the steel strip. At the same time, the semicircular grinding disc 22 can also grind and repair both sides of the steel strip to improve the quality of the steel strip.

[0027] like Figure 1 and Figure 3 As shown, a micro spring 20 is fixed to the bottom of the inner cavity of the storage groove 19, one end of the micro spring 20 is fixed to an I-shaped sliding column 21, one end of the I-shaped sliding column 21 is fixed to a semicircular grinding sheet 22, and a T-shaped sliding column 17 is fixed to the upper end of the rotating block 18, and the T-shaped sliding column 17 is slidably connected to the first clamping plate 6.

[0028] Specifically, after the excess corners of the steel strip are cut off, the steel strip is wound up and moved as the external winding device pulls the steel strip, and when the steel strip moves to the rotating block 18, the micro-spring 20 in the inner cavity of the receiving groove 19 pops up the type slide post 21, and the type slide post 21 slides out of the inner cavity of the receiving groove 19, and at the same time, the type slide post 21 pushes the semicircular grinding sheet 22 to fit with both sides of the steel strip, so that the steel strip can be wound up and moved as the winding device pulls the steel strip, and the semicircular grinding sheet 22 is used to grind both sides of the steel strip, so as to prevent the excess corners on both sides of the steel strip from being cut off. After the excess corners on both sides of the steel strip are cut off, due to the inconvenience of grinding the two sides of the steel strip, a large number of burrs will be generated after the excess corners on both sides of the steel strip are cut off, affecting the quality of the steel strip, thereby solving the problem that the existing cold-rolled steel strip trimming device will generate a large number of burrs after the excess corners on both sides of the steel strip are cut off. If it is not ground, a large number of burrs will affect the quality of the steel strip and also cause safety hazards to the operators.

[0029] like Figure 1 and Figure 7 As shown, two first springs 27 are symmetrically fixedly connected to the lower end surface of the second clamping plate 24 , and one end of the two first springs 27 is fixedly connected to the T-shaped sliding rod 26 .

[0030] like Figure 1 and Figure 7 As shown, two rotating disks 25 are symmetrically connected to one side of the inner cavity of the through groove 7, and multiple tooth blocks 34 are arranged on the outside of the two rotating disks 25, and the tooth blocks 34 on the outside of the two rotating disks 25 are staggered with each other, and a grinding plate 35 is arranged in a ring shape on the outside of the cutting and pressing wheel 8.

[0031] Specifically, when the steel strip moves between the first clamping plate 6 and the second clamping plate 24, the first spring 27 is used to push the T-shaped slide bar 26, and the T-shaped slide bar 26 is slidably connected to the inside of the second clamping plate 24, and the first clamping plate 6 is pulled downward, so that the first clamping plate 6 drives the cutting and pressing wheel 8 to contact the cutting and pressing wheel 8 of the second clamping plate 24. When there are excess corners on both sides of the steel strip, the excess corners on both sides of the steel strip will slide between the cutting and pressing wheels 8 of the first clamping plate 6 and the second clamping plate 24, and then the cutting and pressing wheels 8 are used to roll the excess corners on both sides of the steel strip. At the same time, the grinding disc 35 arranged in an annular shape on the outside of the cutting and pressing wheel 8 is used to grind both sides of the steel belt, thereby shaping both sides of the steel belt. After the excess corners on both sides of the steel belt are moved between the rotating disks 25, the tooth blocks 34 on the outside of the rotating disks 25 are used to cut holes in the marks pressed by the roller, so that it is convenient for the cutting knife 23 to cut the marks pressed along the roller, thereby improving the efficiency of the steel belt trimming and preventing the cutting knife from being unable to cut off all the excess corners of the steel belt at once, causing the cutting knife to pull the excess corners and tear the entire steel belt, causing the steel belt to tear.

[0032] like Figure 1 and Figure 4As shown, four fixing sleeves 9 are symmetrically fixed to both ends of the first clamping plate 6 and the second clamping plate 24 , and the inner cavities of the four fixing sleeves 9 are rotatably connected to rotating columns 10 , and a rubber cushion layer is arranged outside the rotating column 10 .

[0033] Specifically, when trimming steel strips of different widths, the spacing is adjusted by driving the two second clamps 24 to move closer to each other, and at the same time, the two second clamps 24 drive the first clamp 6 to move synchronously, and then adjust according to the steel strips of different widths. In the process of the second clamps 24 driving the first clamp 6 to move closer to each other, the second clamps 24 and the first clamps 6 will drive the fixed sleeve 9 to slide outside the rotating column 10 to adjust the spacing, and then the rotating column 10 is used to clamp the steel strip. A rubber pad is provided on the outside of the rotating column 10, so that during the movement of the steel strip, the rotating column 10 is used to assist in rolling to ensure the flatness of the steel strip surface, thereby improving the efficiency and accuracy of steel strip trimming.

[0034] Example:

[0035] like Figure 4 and Figure 6 As shown, the inner wall of the collecting chamber 33 is provided with four grooves 29 , and the inner cavities of the four grooves 29 are all fixedly connected with fixing columns 30 , the outer sides of the fixing columns 30 are slidably connected with limiting blocks 32 , and the pressure plates 11 are fixedly connected between the limiting blocks 32 .

[0036] like Figure 4 and Figure 6 As shown, a fluff brush is provided on the lower end surface of the pressing plate 11, a second spring 31 is fixedly connected to the upper end of the limiting block 32, and the second spring 31 is fixedly connected to the inner wall of the groove 29, and fluff brushes are provided on both sides of the upper end of the trimming device body 1.

[0037] Specifically, when the external winding device pulls the steel strip for winding and moving, the steel strip passes between the pressure plate 11 and the trimming device body 1, and at the same time, the second spring 31 in the inner cavity of the groove is used to bounce the limit block 32 to move downward, and the limit block 32 slides downward on the outside of the fixed column 30, thereby driving the pressure plate 11 to move downward, and a fluff brush is arranged between the pressure plate 11 and the trimming device body 1, and then when the steel strip passes between the pressure plate 11 and the trimming device body 1, the pressure plate 11 is used to cooperate with the trimming device body 1 to flatten the steel strip, so as to prevent the uneven steel strip from affecting the trimming and repair of the excess corners of the steel strip by the trimming device, and at the same time, the waste chips and dust on the surface of the steel strip are cleaned, thereby solving the problem that in the existing cold-rolled steel strip trimming device, when the steel strip is pulled and wound, a large amount of iron filings will be generated on the surface of the steel strip before production and processing. If it is not cleaned, the iron filings will lift the rotating column and affect the trimming equipment to roll the excess corners of the steel strip to mark the edges, thereby affecting the trimming efficiency.

[0038] like Figure 1 , Figure 2 and Figure 8 As shown, two fixed rods 3 are symmetrically fixed at both ends of the trimming device body 1, one end of the trimming device body 1 is rotatably connected to a transmission sprocket 14, the transmission sprocket 14 is externally connected to a chain 15, both ends of the chain 15 are connected to two driven sprockets 16, and the two driven sprockets 16 are rotatably connected to the fixed rod 3, and one end of the driven sprocket 16 passes through the fixed rod 3 and is fixed to a steel belt retracting assembly 4.

[0039] like Figure 1 and Figure 8 As shown, the steel belt retracting assembly 4 includes a transmission column 41 rotatably connected to the inside of the fixed rod 3, a limiting slide groove 42 is provided inside the transmission column 41, a bidirectional screw rod 43 is rotatably connected to the inner cavity of the limiting slide groove 42, and the external thread of the bidirectional screw rod 43 is connected to two sliding disks 44, the external parts of the two sliding disks 44 are both rotatably connected to a push rod 45, and one end of the push rod 45 is rotatably connected to a clamping rod 46.

[0040] Specifically, when trimming and repairing the steel strip, the steel strip roll is placed on the outside of the transmission column 41, and the bidirectional lead screw 43 is driven to rotate. Then, the bidirectional lead screw 43 is threaded to drive the two sliding plates 44 to move closer to each other, and the sliding plates 44 drive the pushing rod 45 to move synchronously. At the same time, the pushing rod 45 pushes the clamping rod 46 to slide out of the inner cavity of the limiting slide groove 42, so that the clamping rod 46 expands and squeezes the steel strip roll to be fixed on the outside of the transmission column 41, and then the steel strip is pulled out from the outside of the steel strip roll, and the steel strip passes through the collecting chamber 33 and contacts the other transmission column 41. At the same time, the clamping rod 46 is used to clamp and fix the steel strip to the transmission column 41, and then the driving motor drives the transmission sprocket 14 to rotate, and the transmission sprocket 14 drives the chain 15 to rotate, and the chain 15 drives the driven sprocket 16 to rotate, and the driven sprocket 16 is rotated during the rotation process. , it will drive the two transmission columns 41 to rotate, and then the transmission column 41 drives the steel strip to be wound, and at the same time the transmission column 41 located on the right side of the trimming device body 1 drives the steel strip coil to discharge the steel strip, so that the steel strip passes through the trimming equipment, and then the trimming equipment is used to trim the excess corners of the steel strip, and the excess corners cut off on both sides of the steel strip will directly fall into the collecting chamber 33, and then the waste generated by the symmetrical steel strip trimming is collected and processed by the collecting rack 28, thereby solving the problem that when the existing cold-rolled steel strip trimming device is trimming and repairing the steel strip, it is inconvenient to control the speed of discharging and winding the steel strip, resulting in the steel strip being discharged and wound too fast, and the cutting knife is fixed, which will cause the cutting knife to be unable to cut off the excess corners of the steel pipe at once, causing the cutting knife to pull the excess corners and tear the entire steel strip, causing the steel strip to tear.

[0041] The working principle is that one end of the steel strip passes through the collecting chamber 33 and is installed between the first clamping plate 6 and the second clamping plate 24, and then the steel strip is pulled by the external winding device for winding. During the process of the steel strip being pulled and moved by the external winding device, if there are extra corners on both sides of the steel strip, it will slide between the cutting and pressing wheels 8, and the cutting and pressing wheels 8 are used to roll the extra corners on both sides of the steel strip. There are multiple cutting and pressing wheels 8, which are symmetrically arranged with each other, so that the extra corners on both sides of the steel strip can be rolled multiple times by using multiple cutting and pressing wheels 8, so that the rolling marks are deepened and thinned, thereby improving the stability and safety of steel pipe trimming. After the extra corners on both sides of the steel strip are rolled out with cutting marks, the steel strip moves with the traction of the external winding device, and the cutting blade 23 is used to cut the extra corners on both sides of the steel strip along the cutting marks. At the same time, the grinding blocks between the cutting blades 23 are used to grind and repair the places where the extra corners of the steel strip are cut off, so as to ensure the flatness of both sides of the steel strip. When trimming steel strips of different widths, the crank 2 is driven to rotate, and the bidirectional threaded rod 12 is driven to rotate at the same time. During the rotation process, the bidirectional threaded rod 12 will threadably drive the two T-shaped sliders 13 to move closer to each other in the inner cavity of the fixing frame 5, so that the T-shaped slider 13 drives the second clamping plate 24 to move synchronously, and the second clamping plate 24 drives the first clamping plate 6 to move, so that it is convenient to adjust according to the width of the steel strip, so that the first clamping plate 6 and the second clamping plate 24 can clamp and limit the steel strip, thereby improving the practicality of the cold-rolled steel strip trimming device; When trimming and repairing the steel strip, the steel strip roll is placed outside the transmission column 41, and the bidirectional screw rod 43 is driven to rotate. Then, the bidirectional screw rod 43 is threaded to drive the two sliding plates 44 to move closer to each other, and the sliding plates 44 drive the pushing rod 45 to move synchronously. At the same time, the pushing rod 45 pushes the clamping rod 46 to slide out of the inner cavity of the limiting slide groove 42, so that the clamping rod 46 expands and squeezes the steel strip roll to be fixed on the outside of the transmission column 41, and then the steel strip is pulled out from the outside of the steel strip roll, and the steel strip passes through the collecting chamber 33 and contacts another transmission column 41, and at the same time, the clamping rod 46 is used to clamp and fix the steel strip to the transmission column 41, and then the driving motor drives The driving sprocket 14 rotates, and causes the driving chain 15 of the driving sprocket 14 to rotate, and at the same time, the chain 15 drives the driven sprocket 16 to rotate, and during the rotation of the driven sprocket 16, it will drive the two driving columns 41 to rotate, and then the driving column 41 drives the steel belt to be wound, and at the same time, the driving column 41 located on the right side of the trimming device body 1 drives the steel belt roll to discharge the steel belt, so that the steel belt passes between the trimming equipment, and then the trimming equipment is used to trim and repair the excess corners of the steel belt, and the excess corners cut off on both sides of the steel belt will directly fall into the collection chamber 33, and then the waste generated by the symmetrical steel belt trimming will be collected and processed by the collection rack 28.

[0042] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A cold-rolled steel strip trimming device, characterized in that: It comprises a trimming device body (1), the trimming device body (1) has a collecting chamber (33) at the upper end, the bottom of the inner cavity of the collecting chamber (33) is slidably connected to a collecting frame (28), and the inner cavity of the collecting chamber (33) is provided with a steel strip width adjustment component; The steel strip width adjustment assembly comprises a fixing frame (5) fixedly connected to the inner wall of the collecting chamber (33); the fixing frame (5) is rotatably connected to a bidirectional threaded rod (12) in the inner chamber; one end of the bidirectional threaded rod (12) passes through the trimming device body (1) and is fixedly connected to a crank (2); the bidirectional threaded rod (12) is externally threadedly connected to two T-shaped sliders (13); the upper ends of the two T-shaped sliders (13) are fixedly connected to a second clamping plate (24); the upper end surfaces of the second clamping plate (24) are slidably connected to the inner sides thereof. A T-shaped slide bar (26), the upper end of which is fixedly connected to a first clamping plate (6), a through slot (7) is provided between the first clamping plate (6) and the second clamping plate (24), a plurality of cutting and pressing wheels (8) are rotatably connected in the inner cavity of the through slot (7), and the plurality of cutting and pressing wheels (8) are symmetrically arranged with each other, a cutting knife (23) is installed in the upper end of the second clamping plate (24), and the cutting knife (23) is slidably connected to the first clamping plate (6), and a grinding block is provided between the cutting knives (23).

2. The cold-rolled steel strip trimming device according to claim 1, characterized in that: The upper end surface of the second clamping plate (24) is provided with a plurality of rotation grooves, and the inner cavities of the plurality of rotation grooves are rotationally connected to a rotation block (18), two groups of receiving grooves (19) are symmetrically arranged on both sides of the rotation block (18), and each group of receiving grooves (19) is composed of two receiving grooves (19), and two semicircular grinding sheets (22) are arranged outside the rotation block (18).

3. The cold-rolled steel strip trimming device according to claim 2, characterized in that: A micro spring (20) is fixedly connected to the bottom of the inner cavity of the storage groove (19), one end of the micro spring (20) is fixedly connected to an I-shaped sliding column (21), one end of the I-shaped sliding column (21) is fixedly connected to a semicircular grinding sheet (22), the upper end of the rotating block (18) is fixedly connected to a T-shaped sliding column (17), and the T-shaped sliding column (17) is slidably connected to the first clamping plate (6).

4. The cold-rolled steel strip trimming device according to claim 3, characterized in that: Two first springs (27) are symmetrically fixedly connected to the lower end surface of the second clamping plate (24), and one end of the two first springs (27) is fixedly connected to the T-shaped sliding rod (26).

5. The cold-rolled steel strip trimming device according to claim 1, characterized in that: Two rotating disks (25) are symmetrically rotatably connected to one side of the inner cavity of the through slot (7), and a plurality of tooth blocks (34) are arranged outside the two rotating disks (25), and the tooth blocks (34) outside the two rotating disks (25) are arranged staggered with each other, and a grinding sheet (35) is arranged in an annular shape outside the cutting and pressing wheel (8).

6. The cold-rolled steel strip trimming device according to claim 1, characterized in that: Four fixing sleeves (9) are symmetrically fixed to both ends of the first clamping plate (6) and the second clamping plate (24), and the inner cavities of the four fixing sleeves (9) are rotatably connected to a rotating column (10), and a rubber cushion layer is arranged on the outside of the rotating column (10).

7. The cold-rolled steel strip trimming device according to claim 1, characterized in that: The inner wall of the collecting chamber (33) is provided with four grooves (29), and the inner cavities of the four grooves (29) are all fixedly connected with fixing columns (30), the fixing columns (30) are externally slidably connected with limit blocks (32), and a pressure plate (11) is fixedly connected between the limit blocks (32).

8. The cold-rolled steel strip trimming device according to claim 7, characterized in that: A fluff brush is provided on the lower end surface of the pressing plate (11), a second spring (31) is fixedly connected to the upper end of the limiting block (32), and the second spring (31) is fixedly connected to the inner wall of the groove (29), and fluff brushes are provided on both sides of the upper end of the trimming device body (1).

9. The cold-rolled steel strip trimming device according to claim 1, characterized in that: Two fixed rods (3) are symmetrically fixedly connected to both ends of the trimming device body (1); one end of the trimming device body (1) is rotatably connected to a transmission sprocket (14); the transmission sprocket (14) is externally connected to a chain (15); two driven sprockets (16) are connected to both ends of the chain (15); the two driven sprockets (16) are rotatably connected to the fixed rod (3); one end of the driven sprocket (16) passes through the fixed rod (3) and is fixedly connected to a steel belt retracting assembly (4).

10. The cold-rolled steel strip trimming device according to claim 9, characterized in that: The steel belt retracting and releasing assembly (4) comprises a transmission column (41) rotatably connected to the interior of the fixed rod (3), a limit slide groove (42) is provided inside the transmission column (41), a bidirectional screw rod (43) is rotatably connected to the inner cavity of the limit slide groove (42), and the bidirectional screw rod (43) is externally threadedly connected to two sliding plates (44), the two sliding plates (44) are externally rotatably connected to a push rod (45), and one end of the push rod (45) is rotatably connected to a clamp rod (46).

Images