A cutting device for stainless steel coil production

Abstract

This utility model discloses a cutting device for stainless steel coil production, relating to the technical field of cutting devices. The utility model includes a support frame, and further includes: a support part mounted on the support frame for supporting the device on the support frame; a positioning part disposed on the support part for positioning the coil; and a fixing part mounted on the support part for reinforcing the coil. After the coil is placed on the support part, it is centered by the positioning part, preventing deviation during cutting. After being positioned by the positioning part, the coil is further reinforced by the fixing part, further improving the stability during cutting. By setting the positioning part, after the stainless steel coil is in place, a hydraulic push rod is activated, which pushes a corresponding sliding block to move. The sliding block is connected to a transmission mechanism formed by a side connecting rod and a main connecting rod.

Description

Technical Field

[0001] This utility model belongs to the technical field of cutting devices, and in particular relates to a cutting device for the production of stainless steel coils. Background Technology

[0002] The stainless steel coil cutting device is a specialized piece of equipment used in the production process of stainless steel coils. It mainly consists of a frame, uncoiling mechanism, guiding mechanism, cutting mechanism, transmission system, and control system. It can accurately cut continuous stainless steel coils according to set size and shape requirements through automated or semi-automated operation. It features high cutting accuracy, high efficiency, and good stability, effectively ensuring the quality and dimensional accuracy of the cut stainless steel coils. It meets the processing needs of stainless steel sheets in different production scenarios and is widely used in industries such as stainless steel product processing, building decoration, and machinery manufacturing.

[0003] Currently, when using stainless steel coil cutting equipment, operators usually just place the coil randomly on the cutting table. Due to the lack of effective fixing and positioning measures, the coil is easily displaced due to external interference or its own weight during the process of being transported to the bottom of the cutter, resulting in uneven edges of the cut coil. Utility Model Content

[0004] The purpose of this utility model is to provide a cutting device for stainless steel coil production. By setting a positioning part, it solves the problem that the coil is easily displaced due to external interference or its own weight during the process of being transported to the bottom of the cutter due to the lack of effective fixing and positioning measures, resulting in uneven edges of the cut coil.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a cutting device for stainless steel coil production, comprising a support frame, and further comprising: a support part, which is mounted on the support frame and serves to support the device on the support frame; a positioning part, which is disposed on the support part and serves to position the coil; and a fixing part, which is mounted on the support part and serves to reinforce the coil. The coil is positioned on the support part and then centered by the positioning part to prevent deviation during cutting. The fixing part further reinforces the coil after positioning, thereby improving the stability during cutting.

[0007] Furthermore, the support includes several guide rollers mounted on a support frame, with stainless steel coils mounted on the guide rollers. A laser cutter is fixedly connected to the support frame. The stainless steel coils can be moved to the bottom of the laser cutter to complete the cutting operation by means of the multiple guide rollers on the support frame.

[0008] Furthermore, the positioning unit includes a drive assembly mounted on a support frame to provide power to the positioning assembly; and a positioning assembly mounted on the drive assembly to position the stainless steel coil. Upon activation of the drive assembly, the drive assembly will drive the positioning assembly to position the stainless steel coil passing over the support unit, thus preventing deviations during cutting.

[0009] Furthermore, the fixing part includes a fixing component mounted on a support frame for reinforcing the stainless steel coil; and a limiting component mounted on the fixing component for limiting the fixing component; wherein, by limiting the fixing component, the fixing component can adjust the downward pressure when reinforcing the stainless steel coil, thereby allowing the stainless steel coil to complete the cutting operation smoothly.

[0010] Furthermore, the drive assembly includes two rectangular plates fixedly connected to the bottom of the support frame. Two sliding rods are fixedly connected to one side of the two rectangular plates that are close to each other. A fixing block is sleeved on the outer wall of the two sliding rods. Two sliding blocks are slidably connected to the outer wall of the two sliding rods. A hydraulic push rod is provided on the corresponding sliding block. The output end of the hydraulic push rod is fixedly connected to the corresponding sliding block. A transmission component is provided on the fixing block. When the hydraulic push rod is activated, the hydraulic push rod will push the corresponding sliding block and drive the other sliding block through the transmission component, so that the two sliding blocks can move closer to each other.

[0011] Furthermore, the positioning assembly includes clamping plates fixedly connected to the tops of the two sliding blocks. Each clamping plate has a mounting groove, and the inner walls of each mounting groove are rotatably connected to a plurality of guide rollers, which are in contact with the stainless steel coil. The transmission component drives the two sliding blocks to move synchronously, causing the clamping plates on the two sliding blocks to move closer together, thus positioning the passing stainless steel coil. During the positioning process, the guide rollers on the two clamping plates provide guidance for the stainless steel coil, effectively reducing frictional resistance.

[0012] Furthermore, the fixing assembly includes two slide rods fixedly connected to the top of the support frame. Slide plates are slidably connected to the outer walls of the two slide rods. A guide roller assembly is fixedly connected to the bottom of the slide plate, and the guide roller assembly contacts the stainless steel coil. A top plate is fixedly connected to the top of the two slide rods. Springs are wound around the outer walls of both slide rods. One end of each spring is fixedly connected to the slide plate, and the other end of each spring is fixedly connected to the top plate. Under the thrust of the springs on the outer walls of the two slide rods, the slide plates on the two slide rods will drive the guide roller assembly on them closer to the stainless steel coil, thereby reinforcing the stainless steel coil and further improving stability during the cutting process.

[0013] Furthermore, the limiting assembly includes a screw fixedly connected to the top of the slide plate. The screw passes through the top plate and is slidably connected to the top plate. A manual knob is threaded onto the outer wall of the screw. Through the cooperation of the screw, the top plate, and the manual knob, the slide plate sliding on the two slide rods can drive the guide roller assembly to adjust the downward pressure when reinforcing the stainless steel coil.

[0014] Furthermore, the transmission component includes a main connecting rod rotatably connected to the bottom of the fixed block. Each end of the main connecting rod, which is away from each other, is hinged to a side connecting rod. The ends of the two side connecting rods, which are away from the main connecting rod, are hinged to two sliding blocks. When one of the sliding blocks is subjected to the thrust of the hydraulic push rod, the sliding block will be driven by the main connecting rod through its side connecting rod. The main connecting rod then transmits power through its cooperation with the other side connecting rod, so that the other sliding block can move closer to the first sliding block.

[0015] This utility model has the following beneficial effects:

[0016] 1. By setting up a positioning unit, after the stainless steel coil is in place, the hydraulic push rod is activated. The hydraulic push rod will push the corresponding sliding block to move. The sliding block transmits power to the other sliding block through the transmission mechanism formed by the side connecting rod and the main connecting rod, so that the two sliding blocks move towards the center synchronously. As the two sliding blocks move, the clamping plates installed on them gradually approach each other, thereby positioning the stainless steel coil. During the positioning process, the guide rollers on the clamping plate contact the stainless steel coil, which not only plays a guiding role, but also reduces the frictional resistance of the stainless steel coil during transmission. Through this design, it is ensured that the stainless steel coil always remains in a centered state during transmission, effectively avoiding cutting size errors caused by offset, and greatly improving the processing accuracy of laser cutting.

[0017] 2. After positioning by setting the fixing part, turn the manual knob on the outer wall of the screw to release the screw lock. At this time, the slide plate connected to the screw, under the elastic force of the springs on the outer walls of the two slide rods, drives the guide roller group to approach the top of the stainless steel coil, applying a reinforcing force to the stainless steel coil and further improving the stability during the cutting process. At the same time, by adjusting the position of the manual knob on the screw, the downward pressure applied by the slide plate and the guide roller group can be flexibly controlled. This adjustment function can set an appropriate pressure value according to the stainless steel coil with different thicknesses and hardnesses, which avoids the stainless steel coil from being difficult to move due to excessive pressure, and also prevents the stainless steel coil from shifting during cutting due to insufficient pressure, significantly improving the cutting accuracy. At the same time, the coordinated design of the spring and the adjustable screw can effectively buffer the vibration generated during the cutting process, reduce equipment wear, extend the service life of the equipment, and ultimately achieve efficient and stable processing of stainless steel coil.

[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a partial cross-sectional view of the positioning part of this utility model;

[0022] Figure 3 This is a partial cross-sectional view of the fixing part of this utility model;

[0023] Figure 4 This utility model Figure 2 A magnified structural diagram of A in the middle;

[0024] Figure 5 This utility model Figure 3 A magnified structural diagram of B in the diagram.

[0025] The attached diagram lists the components represented by each number as follows:

[0026] 1. Support unit; 111. Support frame; 112. Guide roller one; 113. Stainless steel coil; 114. Laser cutter; 2. Positioning unit; 21. Drive assembly; 211. Rectangular plate; 212. Slide rod one; 213. Fixing block; 214. Sliding block; 215. Hydraulic push rod; 216. Main connecting rod; 217. Side connecting rod; 22. Positioning assembly; 221. Clamping plate; 222. Mounting groove; 223. Guide roller two; 3. Fixing unit; 31. Fixing assembly; 311. Slide rod two; 312. Slide plate; 313. Guide roller group; 314. Top plate; 315. Spring; 32. Limiting assembly; 321. Screw; 322. Manual knob. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-5As shown, this utility model is a cutting device for stainless steel coil production, including a support frame 111, and further including: a support part 1, which is installed on the support frame 111 and is used to support the device on the support frame 111; a positioning part 2, which is disposed on the support part 1 and is used to position the coil; and a fixing part 3, which is installed on the support part 1 and is used to reinforce the coil. After the coil is placed on the support part 1, it is centered by the positioning part 2 to prevent deviation during cutting. After the coil is positioned by the positioning part 2, it is further reinforced by the fixing part 3, which can further improve the stability of the coil during cutting. The support part 1 includes a plurality of guide rollers 112 disposed on the support frame 111, and a stainless steel coil 113 is disposed on the guide rollers 112. A laser cutter 114 is fixedly connected to the support frame 111. The stainless steel coil 113 can be moved to the bottom of the laser cutter 114 to complete the cutting operation by means of the multiple guide rollers 112 on the support frame 111.

[0029] The positioning unit 2 includes a drive assembly 21, which is mounted on the support frame 111 and provides power to the positioning assembly 22; and a positioning assembly 22, which is mounted on the drive assembly 21 and is used to position the stainless steel coil 113. When the drive assembly 21 is activated, it drives the positioning assembly 22 to position the stainless steel coil 113 passing over the support unit 1, preventing deviations during cutting. The drive assembly 21 includes two rectangular plates 211 fixedly connected to the bottom of the support frame 111. Two sliding rods 212 are fixedly connected to the side of the two rectangular plates 211 that are close to each other. Fixing blocks 213 are fitted onto the outer walls of the two sliding rods 212. Two sliding blocks 214 are slidably connected to the outer walls of the two sliding rods 212. A hydraulic push rod 215 is provided on the corresponding sliding block 214, and the output end of the hydraulic push rod 215 is fixedly connected to the corresponding sliding block 214. A transmission component is provided on the fixing block 213. When the hydraulic push rod 215 is activated, it will... The corresponding sliding block 214 is pushed, and another sliding block 214 is driven by the transmission component, so that the two sliding blocks 214 can move closer to each other. The positioning component 22 includes a clamping plate 221 fixedly connected to the top of the two sliding blocks 214. Each clamping plate 221 has a mounting groove 222. The inner walls of the two mounting grooves 222 are rotatably connected to a plurality of guide rollers 223, and the plurality of guide rollers 223 are in contact with the stainless steel coil 113. The two sliding blocks 214 are driven to move synchronously by the transmission component. The clamping plates 221 on the two sliding blocks 214 can be brought closer to each other to position the passing stainless steel coil 113. During the positioning process, the guide rollers 223 on the two clamping plates 221 can provide guidance for the stainless steel coil 113, effectively reducing frictional resistance. The transmission component includes a main connecting rod 216 rotatably connected to the bottom of the fixed block 213. The ends of the main connecting rod 216 that are far apart from each other are hinged with side connecting rods 217. The ends of the two side connecting rods 217 that are far away from the main connecting rod 216 are hinged to the two sliding blocks 214.When one of the sliding blocks 214 is pushed by the hydraulic push rod 215, the sliding block 214 will be driven by the side connecting rod 217 and the main connecting rod 216. The main connecting rod 216 then transmits power through the cooperation of the other side connecting rod 217, so that the other sliding block 214 can move closer to the first sliding block 214. By setting the positioning part 2, after the stainless steel coil 113 is in place, the hydraulic push rod 215 is activated, and the hydraulic push rod 215 will push the corresponding sliding block 214 to move. The sliding block 214 transmits power to the other sliding block 214 through the transmission mechanism formed by the side connecting rod 217 and the main connecting rod 216. On the other side, the sliding block 214 causes the two sliding blocks 214 to move synchronously towards the center. As the two sliding blocks 214 move, the clamping plate 221 mounted on them gradually approaches, thereby positioning the stainless steel coil 113. During the positioning process, the guide roller 223 on the clamping plate 221 contacts the stainless steel coil 113, which not only guides the coil but also reduces the frictional resistance during transmission. This design ensures that the stainless steel coil remains centered during transmission, effectively avoiding cutting size errors caused by offset and significantly improving the processing accuracy of laser cutting.

[0030] The fixing part 3 includes a fixing component 31, which is mounted on the support frame 111 for reinforcing the stainless steel coil 113; and a limiting component 32, which is mounted on the fixing component 31 for limiting the fixing component 31. The limiting component 32 limits the fixing component 31, allowing it to adjust the downward pressure applied during the reinforcement of the stainless steel coil 113, thus enabling the stainless steel coil 113 to complete the cutting operation smoothly. The fixing component 31 includes two sliding rods 311 fixedly connected to the top of the support frame 111. A sliding plate 312 is slidably connected to the outer wall of the two sliding rods 311. A guide roller assembly 313 is fixedly connected to the bottom of the sliding plate 312. The guide roller assembly 313 is connected to the outer wall of the sliding rods 311. The stainless steel coil 113 is in contact with the top of two sliding rods 311, and a top plate 314 is fixedly connected to the top of each sliding rod 311. Springs 315 are wound around the outer walls of both sliding rods 311. One end of each spring 315 is fixedly connected to a sliding plate 312, and the other end is fixedly connected to the top plate 314. Under the pushing force of the springs 315 on the outer walls of the two sliding rods 311, the sliding plates 312 on the two sliding rods 311 will drive the guide roller assembly 313 on them to move closer to the stainless steel coil 113, thereby reinforcing the stainless steel coil 113 and further improving the stability during the cutting process. The limiting component 32 includes a screw 321 fixedly connected to the top of the sliding plate 312. The screw 321 passes through the top plate 314 and... The top plate 314 is slidably connected, and the outer wall of the screw 321 is threaded with a manual knob 322. Through the cooperation of the screw 321, the top plate 314, and the manual knob 322, the sliding plate 312, which slides on the two sliding rods 311, drives the guide roller assembly 313 to adjust the downward pressure during reinforcement of the stainless steel coil 113. After positioning is completed by setting the fixing part 3, rotating the manual knob 322 on the outer wall of the screw 321 releases the lock on the screw 321. At this time, the sliding plate 312 connected to the screw 321, under the elastic force of the springs 315 on the outer walls of the two sliding rods 311, drives the guide roller assembly 313 closer to the top of the stainless steel coil 113, applying a reinforcing force to the stainless steel coil 113 and further improving the cutting efficiency. The process ensures stability. Furthermore, by adjusting the position of the manual knob 322 on the screw 321, the downward pressure applied by the slide plate 312 driving the guide roller group 313 can be flexibly controlled. This adjustment function allows setting appropriate pressure values ​​according to the different thicknesses and hardness of the stainless steel coil 113. This avoids both excessive pressure causing difficulty in moving the stainless steel coil 113 and insufficient pressure causing deviation during cutting, significantly improving cutting accuracy. Simultaneously, the coordinated design of the spring 315 and the adjustable screw 321 effectively buffers vibrations generated during cutting, reducing equipment wear and extending equipment lifespan, ultimately achieving efficient and stable processing of the stainless steel coil 113.

[0031] A specific application of this embodiment is as follows: In use, the stainless steel coil 113 is first placed on multiple guide rollers 112 on the support frame 111. With the help of the rolling of the guide rollers 112, the stainless steel coil 113 can be smoothly moved to the bottom of the laser cutter 114 to complete the cutting preparation. After the stainless steel coil 113 is in place, the hydraulic push rod 215 is activated. The hydraulic push rod 215 will push the corresponding sliding block 214 to move. The sliding block 214 transmits power to the sliding block 214 on the other side through the transmission mechanism formed by the side connecting rod 217 and the main connecting rod 216. 14. The two sliding blocks 214 move synchronously towards the center. As the two sliding blocks 214 move, the clamping plates 221 mounted on them gradually move closer, thereby positioning the stainless steel coil 113. During the positioning process, the guide rollers 223 on the clamping plates 221 contact the stainless steel coil 113, which not only guides the coil but also reduces the frictional resistance during transmission. This design ensures that the stainless steel coil remains centered during transmission, effectively avoiding cutting size errors caused by misalignment and significantly improving laser cutting efficiency. The cutting precision is achieved by rotating the manual knob 322 on the outer wall of the screw 321 after positioning. This releases the lock on the screw 321. At this time, the slide plate 312 connected to the screw 321, under the elastic force of the springs 315 on the outer walls of the two slide rods 311, drives the guide roller group 313 closer to the top of the stainless steel coil 113, applying a reinforcing force to the stainless steel coil 113 and further improving the stability during the cutting process. Simultaneously, by adjusting the position of the manual knob 322 on the screw 321, the sliding plate 312 can be flexibly controlled to drive the guide roller group 313 to apply a reinforcing force. The downward pressure adjustment function can set a suitable pressure value according to the stainless steel coil 113 of different thicknesses and hardnesses. This avoids the stainless steel coil 113 from being difficult to move due to excessive pressure, and also prevents the stainless steel coil 113 from shifting during cutting due to insufficient pressure, which significantly improves the cutting accuracy. At the same time, the coordinated design of the spring 315 and the adjustable screw 321 can effectively buffer the vibration generated during the cutting process, reduce equipment wear, extend the service life of the equipment, and ultimately achieve efficient and stable processing of the stainless steel coil 113.

[0032] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms 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.

[0033] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A cutting device for producing stainless steel coils, comprising a support frame (111), characterized in that, Also includes: Support part (1), which is mounted on support frame (111) and is used to support the device on support frame (111); Positioning part (2), which is disposed on the support part (1) and is used to position the coil plate; and The fixing part (3) is installed on the support part (1) and is used to reinforce the coil plate; In this process, after the coil is placed on the support part (1), it is centered by the positioning part (2), which can prevent the coil from deviating during cutting. After the coil is positioned by the positioning part (2), it is reinforced by the fixing part (3), which can further improve the stability of the coil during cutting.

2. The cutting device for stainless steel coil production according to claim 1, characterized in that, The support part (1) includes a plurality of guide rollers (112) arranged on the support frame (111), and stainless steel coils (113) are arranged on the plurality of guide rollers (112). A laser cutter (114) is fixedly connected to the support frame (111). With the help of multiple guide rollers (112) on the support frame (111), the stainless steel coil (113) can be moved to the bottom of the laser cutter (114) to complete the cutting operation.

3. The cutting device for stainless steel coil production according to claim 2, characterized in that, The positioning part (2) includes a drive assembly (21), which is mounted on a support frame (111) and is used to provide power to the positioning assembly (22); as well as A positioning component (22) is mounted on a drive component (21) for positioning a stainless steel coil (113); After the drive assembly (21) is started, the drive assembly (21) will drive the positioning assembly (22) to position the stainless steel coil (113) passing on the support part (1) to prevent deviation during cutting.

4. The cutting device for stainless steel coil production according to claim 3, characterized in that, The fixing part (3) includes a fixing component (31), which is mounted on the support frame (111) and is used to reinforce the stainless steel coil (113); as well as A limiting component (32) is mounted on a fixing component (31) and is used to limit the fixing component (31); The fixing component (31) is limited by the limiting component (32), so that the fixing component (31) can adjust the downward pressure when reinforcing the stainless steel coil (113), thereby allowing the stainless steel coil (113) to complete the cutting operation smoothly.

5. A cutting device for stainless steel coil production according to claim 4, characterized in that, The drive assembly (21) includes two rectangular plates (211) fixedly connected to the bottom of the support frame (111). Two slide rods (212) are fixedly connected to the side of the two rectangular plates (211) that are close to each other. Fixing blocks (213) are sleeved on the outer walls of the two slide rods (212). Two sliding blocks (214) are slidably connected to the outer walls of the two slide rods (212). A hydraulic push rod (215) is provided on the corresponding sliding block (214). The output end of the hydraulic push rod (215) is fixedly connected to the corresponding sliding block (214). A transmission component is provided on the fixing block (213). When the hydraulic push rod (215) is activated, it will push the corresponding sliding block (214) and drive another sliding block (214) through the transmission component, so that the two sliding blocks (214) can move closer to each other.

6. A cutting device for stainless steel coil production according to claim 5, characterized in that, The positioning component (22) includes a clamping plate (221) fixedly connected to the top of two sliding blocks (214). Each of the two clamping plates (221) has an installation groove (222). The inner walls of the two installation grooves (222) are rotatably connected to a plurality of guide rollers (223). Each of the plurality of guide rollers (223) is in contact with the stainless steel coil (113). Among them, the transmission component drives the two sliding blocks (214) to move synchronously, which enables the clamping plates (221) on the two sliding blocks (214) to move closer to each other and position the passing stainless steel coil (113). During the positioning process, the guide rollers (223) on the two clamping plates (221) can provide guidance for the stainless steel coil (113) and effectively reduce frictional resistance.

7. A cutting device for stainless steel coil production according to claim 6, characterized in that, The fixing component (31) includes two slide rods (311) fixedly connected to the top of the support frame (111). The outer walls of the two slide rods (311) are slidably connected to a slide plate (312). The bottom of the slide plate (312) is fixedly connected to a guide roller group (313). The guide roller group (313) is in contact with the stainless steel coil (113). The top ends of the two slide rods (311) are fixedly connected to a top plate (314). The outer walls of the two slide rods (311) are each wound with a spring (315). One end of each spring (315) is fixedly connected to the slide plate (312), and the other end of each spring (315) is fixedly connected to the top plate (314). Under the thrust of the springs (315) on the outer wall of the two slide rods (311), the slide plates (312) on the two slide rods (311) will drive the guide roller group (313) on them to move closer to the stainless steel coil (113), thereby reinforcing the stainless steel coil (113) and further improving the stability during the cutting process.

8. A cutting device for stainless steel coil production according to claim 7, characterized in that, The limiting component (32) includes a screw (321) fixedly connected to the top of the slide plate (312), the screw (321) passing through the top plate (314) and slidably connected to the top plate (314), and a manual knob (322) is threadedly connected to the outer wall of the screw (321). Among them, through the cooperation of screw (321) with top plate (314) and manual knob (322), the slide plate (312) sliding on two slide bars (311) can drive the guide roller group (313) to adjust the downward pressure when reinforcing the stainless steel coil (113).

9. A cutting device for stainless steel coil production according to claim 8, characterized in that, The transmission component includes a main connecting rod (216) rotatably connected to the bottom of the fixed block (213). Each end of the main connecting rod (216) that is far apart from each other is hinged with a side connecting rod (217). The ends of the two side connecting rods (217) that are far away from the main connecting rod (216) are hinged to two sliding blocks (214). When one of the sliding blocks (214) is pushed by the hydraulic push rod (215), the sliding block (214) will be driven by the side connecting rod (217) on it and the main connecting rod (216). The main connecting rod (216) then transmits power through the cooperation with the other side connecting rod (217), so that the other sliding block (214) can approach the sliding block (214).

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