A sheet material cutting apparatus
By combining the staggered upper and lower cutters, pressure rollers and feed rollers, along with the lateral constraint force of the limiting belt, the problem of position offset and positioning error in the sheet metal cutting process is solved, achieving burr-free cutting and precise feeding.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FOSHAN SHENFEI MACHINERY EQUIPMENT CO LTD
- Filing Date
- 2025-07-23
- Publication Date
- 2026-06-09
AI Technical Summary
Traditional sheet metal cutting equipment suffers from sheet metal position offset and positioning errors during the cutting process, especially when batch cutting relies on manual operation, which can easily lead to cumulative errors.
The staggered upper and lower cutters create staggered shearing forces. The spacing between the pressure rollers and feed rollers is adjusted to accommodate different sheet thicknesses. Lateral constraint forces are provided on both sides of the feeding table by the limiting belts to ensure parallel feeding of the sheet and reduce positioning errors.
It enables burr-free cutting, reduces sheet deformation, avoids positioning errors, improves cutting accuracy and stability, and reduces the need for subsequent grinding processes.
Smart Images

Figure CN224333553U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sheet metal processing technology, and more specifically, to a sheet metal cutting device. Background Technology
[0002] In the fields of metal processing and building materials production, sheet metal cutting is one of the key processing steps. Traditional sheet metal cutting equipment mainly adopts mechanical cutting. For example, in the prior art, the utility model patent with publication number CN216801916U discloses a continuous aluminum plate cutting device, which includes a cutting table, a conveying device for conveying aluminum plates to the cutting table; a cutting device for cutting aluminum plates and a moving device for driving the cutting device to move back and forth are set on the cutting table; a clamping device for fixing the aluminum plate when cutting aluminum plates is set on the cutting table. However, the above cutting device has the following defects: (1) When the cutting disc moves and cuts, it will generate a forward pushing force on the material plate, but the material plate is only clamped on the upper side by the clamping device. Due to insufficient friction, the material plate may still shift and move; (2) When cutting material plates in batches, the feeding and positioning mainly rely on manual operation, which is prone to cumulative error. Utility Model Content
[0003] Based on this, in order to solve the problems of positional offset and positioning error during plate cutting, this utility model provides a plate cutting device, the specific technical solution of which is as follows:
[0004] A sheet metal cutting device includes a processing unit and a limiting mechanism. The processing unit includes a processing table, a feeding assembly, and a feeding table connected to the processing table. An upper cutter and a lower cutter are alternately arranged vertically within the processing table. The feeding assembly is positioned between the processing table and the feeding table. The feeding assembly includes a pressure roller and a feeding roller arranged vertically, with a feeding gap formed between the pressure roller and the feeding roller for the sheet metal to pass through. The limiting mechanism includes limiting components symmetrically arranged on both sides of the feeding table. Each limiting component includes a limiting band and an adjusting member detachably connected to the side wall of the feeding table. The limiting band is slidably mounted on the adjusting member, and a limiting space for limiting the sheet metal is formed between the limiting bands on both sides.
[0005] The aforementioned sheet metal cutting equipment, with its staggered upper and lower cutting blades, creates staggered shearing forces. Compared to single-blade cutting, this reduces sheet metal deformation, avoids burrs caused by material compression, and enables burr-free cutting, reducing subsequent grinding processes. The equipment also features pressure rollers and feed rollers; adjusting the distance between the pressure rollers and feed rollers adjusts the feed gap, facilitating the clamping and limiting of sheets of different thicknesses. Limiting bands on both sides of the feeding table contact the sides of the sheet metal, continuously providing lateral constraint during feeding, preventing lateral deviation due to inertia or vibration, ensuring the sheet metal remains parallel to the feeding direction, and effectively avoiding positioning errors.
[0006] Furthermore, the processing device also includes a support frame disposed at the bottom of the processing table, the processing table being fixed to the support frame by bolts, and a drive structure being installed inside the support frame.
[0007] Furthermore, the processing table is provided with an upper rotating shaft and a lower rotating shaft that rotate vertically. The upper rotating shaft is fitted with a plurality of upper cutting blades at intervals, and the lower rotating shaft is fitted with a plurality of lower cutting blades at intervals. The number of upper cutting blades is the same as the number of lower cutting blades, and adjacent upper cutting blades and lower cutting blades are staggered.
[0008] Furthermore, a first meshing gear is sleeved on the upper rotating shaft, and a second meshing gear and a first driven gear are sequentially sleeved from the inside to the outside on one end of the lower rotating shaft. The second meshing gear meshes with the first meshing gear. A second driven gear is sleeved on the other end of the lower rotating shaft, and a third driven gear is sleeved on the feed roller. A first transmission chain is wound between the second driven gear and the third driven gear.
[0009] Furthermore, the drive structure includes a first drive motor, a drive gear, and a second transmission chain. The first drive motor is installed inside the support frame, and the drive gear is sleeved on the output end of the first drive motor. The second transmission chain is wound between the drive gear and the first driven gear.
[0010] Furthermore, a support structure for supporting and straightening the second transmission chain is rotatably provided inside the support frame, and a support gear is rotatably mounted on the support structure. The support gear is located on one side of the second transmission chain and is adapted to the second transmission chain.
[0011] Furthermore, multiple feeding rollers are spaced apart on the feeding platform, and the height of the feeding rollers is the same as the height of the feed rollers.
[0012] Furthermore, the processing table is provided with a swing structure, and an installation shaft is inserted into one end of the swing structure. The pressure roller is sleeved outside the installation shaft and located above the feed roller.
[0013] Furthermore, the adjusting component includes a disassembly block and a sliding block. The disassembly block is detachably connected to the side wall of the feeding table. The disassembly block is provided with a transverse guide rail. The sliding block is slidably mounted on the transverse guide rail. The sliding block is provided with a lifting guide rail. The limiting band is slidably mounted on the lifting guide rail.
[0014] Furthermore, the limiting belt includes an abutment belt, a second drive motor, and a lifting block slidably mounted on the lifting guide rail. The abutment belt and the second drive motor are both mounted on the lifting block. The second drive motor is used to control the running state of the abutment belt. The limiting space is formed between the abutment belts on both sides. Attached Figure Description
[0015] Figure 1 This is one of the structural schematic diagrams of the sheet metal cutting equipment according to an embodiment of this utility model;
[0016] Figure 2 This is a second schematic diagram of the structure of the sheet metal cutting equipment according to an embodiment of this utility model;
[0017] Figure 3 This is one of the partial structural schematic diagrams of the sheet metal cutting equipment described in one embodiment of this utility model;
[0018] Figure 4 This is a second partial structural schematic diagram of the sheet metal cutting equipment according to an embodiment of the present invention;
[0019] Figure 5 This is a schematic diagram of the structure of the limiting component of the sheet metal cutting equipment according to an embodiment of the present invention.
[0020] Explanation of reference numerals in the attached figures:
[0021] 1. Processing table; 11. Upper cutter; 12. Lower cutter; 13. First meshing gear; 14. Second meshing gear; 15. First driven gear; 16. Second driven gear; 17. Third driven gear; 18. First transmission chain; 19. Protective shell; 2. Feeding assembly; 21. Pressure roller; 22. Feeding roller; 3. Feeding table; 31. Feeding roller; 4. Limiting assembly; 41. Limiting belt; 411. Abutment belt; 412. Second drive motor; 413. Lifting block; 42. Adjusting component; 421. Disassembly block; 422. Sliding block; 423. Transverse guide rail; 424. Lifting guide rail; 5. Support frame; 51. Support gear; 6. Drive structure; 61. First drive motor; 62. Drive gear; 63. Second transmission chain. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with its embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit its scope of protection.
[0023] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.
[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0025] In this utility model, "first" and "second" do not represent a specific quantity or order, but are merely used to distinguish names.
[0026] like Figures 1-5 As shown, a sheet metal cutting device according to one embodiment of the present invention includes a processing device and a limiting mechanism. The processing device includes a processing table 1, a feeding assembly 2, and a feeding table 3 connected to the processing table 1. An upper cutting blade 11 and a lower cutting blade 12 are arranged alternately inside the processing table 1. The feeding assembly 2 is located between the processing table 1 and the feeding table 3. The feeding assembly 2 includes a pressure roller 21 and a feeding roller 22 arranged vertically. A feeding gap is formed between the pressure roller 21 and the feeding roller 22 for the sheet metal to pass through. The limiting mechanism includes limiting components 4 symmetrically arranged on both sides of the feeding table 3. The limiting components 4 include a limiting band 41 and an adjusting member 42 detachably connected to the side wall of the feeding table 3. The limiting band 41 is slidably mounted on the adjusting member 42. A limiting space for limiting the sheet metal is formed between the limiting bands 41 on both sides.
[0027] The aforementioned sheet metal cutting equipment, with its staggered upper cutting blade 11 and lower cutting blade 12, forms an interlaced shearing force. Compared to single-blade cutting, this reduces sheet metal deformation, avoids burrs caused by material compression, and enables burr-free cutting, reducing subsequent grinding processes. The equipment also features a pressure roller 21 and a feed roller 22. Adjusting the distance between the pressure roller 21 and the feed roller 22 adjusts the feed gap, facilitating the clamping and limiting of sheets of different thicknesses. Limiting bands 41, located on both sides of the feeding table 3, contact the sides of the sheet metal, continuously providing lateral constraint during feeding. This prevents lateral deviation of the sheet metal due to inertia or vibration, ensuring the sheet metal remains parallel to the feeding direction and effectively avoiding positioning errors.
[0028] like Figure 1 , Figure 2 and Figure 4 As shown, the processing table 1 is further covered with a protective shell 19. This reduces the splashing of cutting debris and effectively improves the working environment.
[0029] like Figure 1 , Figure 3 and Figure 4 As shown, in one embodiment, the processing device further includes a support frame 5 disposed at the bottom of the processing table 1, the processing table 1 being fixed to the support frame 5 by bolts, and a drive structure 6 being installed inside the support frame 5.
[0030] like Figure 1 and Figure 3 As shown, in one embodiment, the processing table 1 has an upper rotating shaft and a lower rotating shaft arranged in an up-and-down rotational manner. A plurality of upper cutting blades 11 are spaced apart on the upper rotating shaft, and a plurality of lower cutting blades 12 are spaced apart on the lower rotating shaft. The number of upper cutting blades 11 is the same as the number of lower cutting blades 12, and adjacent upper cutting blades 11 and lower cutting blades 12 are staggered. The upper cutting blades 11 and lower cutting blades 12 share the cutting load, reducing the driving force requirement compared to single-blade cutting and extending the service life of the upper cutting blades 11 and lower cutting blades 12.
[0031] like Figure 3 and Figure 4 As shown, in one embodiment, a first meshing gear 13 is fitted onto the upper rotating shaft, and a second meshing gear 14 and a first driven gear 15 are sequentially fitted onto one end of the lower rotating shaft from the inside to the outside. The second meshing gear 14 meshes with the first meshing gear 13. A second driven gear 16 is fitted onto the other end of the lower rotating shaft, and a third driven gear 17 is fitted onto the feed roller 22. A first transmission chain 18 is wound between the second driven gear 16 and the third driven gear 17. By providing the first transmission chain 18, the synchronous rotation of the lower rotating shaft and the feed roller 22 is controlled.
[0032] In one embodiment, the upper rotating shaft is slidably mounted within the processing table 1 and can be raised and lowered relative to the lower rotating shaft. This facilitates the reciprocating adjustment of the distance between the upper and lower rotating shafts. When the upper cutter 11 is not needed for operation, adjusting the height of the upper rotating shaft disengages the first meshing gear 13 from the second meshing gear 14, causing the upper rotating shaft to stop rotating and the upper cutter 11 to come to a standstill.
[0033] like Figure 3 As shown, in one embodiment, the drive structure 6 includes a first drive motor 61, a drive gear 62, and a second transmission chain 63. The first drive motor 61 is mounted inside the support frame 5, and the drive gear 62 is sleeved on the output end of the first drive motor 61. The second transmission chain 63 is wound between the drive gear 62 and the first driven gear 15. By providing the second transmission chain 63, the drive gear 62 drives the rotation of the first driven gear 15, thereby controlling the rotation of the lower rotating shaft. Furthermore, with the cooperation of the first meshing gear 13 and the second meshing gear 14, the synchronous rotation of the upper rotating shaft is controlled, which is beneficial for controlling the cutting state of the lower cutter 12 and the upper cutter 11.
[0034] like Figure 3 As shown, in one embodiment, a support structure for supporting and straightening the second transmission chain 63 is rotatably provided inside the support frame 5. A support gear 51 is rotatably mounted on the support structure, and the support gear 51 is located on one side of the second transmission chain 63 and adapted to the second transmission chain 63. The straightened state ensures that the second transmission chain 63 is subjected to uniform force, avoiding local overload of the chain links.
[0035] like Figure 2 and Figure 4 As shown, in one embodiment, a plurality of feeding rollers 31 are spaced apart on the feeding table 3, and the height of the feeding rollers 31 is flush with the height of the feeding rollers 22.
[0036] In one embodiment, the processing table 1 is equipped with a rotatable swing structure, with a mounting shaft inserted into one end of the swing structure. The pressure roller 21 is sleeved outside the mounting shaft and located above the feed roller 22. This facilitates adjusting the height of the pressure roller 21, thereby adjusting the feed gap to adapt to plates of different thicknesses.
[0037] like Figure 2 and Figure 5 As shown, in one embodiment, the adjusting member 42 includes a disassembly block 421 and a sliding block 422. The disassembly block 421 is detachably connected to the side wall of the feeding table 3. A transverse guide rail 423 is provided on the disassembly block 421. The sliding block 422 is slidably mounted on the transverse guide rail 423. A lifting guide rail 424 is provided on the sliding block 422. A limiting band 41 is slidably mounted on the lifting guide rail 424. This facilitates adjustment of the position of the limiting band 41, allowing it to reciprocate close to the sheet metal on the feeding table 3, thereby facilitating lateral limiting of the sheet metal.
[0038] Specifically, the horizontal guide rail 423 is set in a horizontal direction, and the vertical guide rail 424 is set in a vertical direction.
[0039] like Figure 2 and Figure 5 As shown, in one embodiment, the limiting belt 41 includes an abutment belt 411, a second drive motor 412, and a lifting block 413 slidably mounted on the lifting guide rail 424. The abutment belt 411 and the second drive motor 412 are both mounted on the lifting block 413. The second drive motor 412 is used to control the running state of the abutment belt 411. The limiting space is formed between the abutment belts 411 on both sides.
[0040] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0041] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A sheet metal cutting device, characterized in that, include: The processing device includes a processing table, a feeding assembly, and a feeding table connected to the processing table. The processing table has an upper cutter and a lower cutter arranged alternately. The feeding assembly is located between the processing table and the feeding table. The feeding assembly includes a pressure roller and a feeding roller arranged vertically. A feeding gap is formed between the pressure roller and the feeding roller for the sheet material to pass through. The limiting mechanism includes limiting components symmetrically arranged on both sides of the feeding table. Each limiting component includes a limiting band and an adjusting member detachably connected to the side wall of the feeding table. The limiting band is slidably mounted on the adjusting member, and a limiting space for limiting the sheet material is formed between the limiting bands on both sides.
2. The sheet metal cutting equipment according to claim 1, characterized in that, The processing device also includes a support frame disposed at the bottom of the processing table, the processing table being fixed to the support frame by bolts, and a drive structure being installed inside the support frame.
3. The sheet metal cutting equipment according to claim 2, characterized in that, The processing table has an upper rotating shaft and a lower rotating shaft arranged in an up-down rotation. A number of upper cutting blades are spaced apart on the upper rotating shaft, and a number of lower cutting blades are spaced apart on the lower rotating shaft. The number of upper cutting blades is the same as the number of lower cutting blades, and adjacent upper cutting blades and lower cutting blades are arranged alternately.
4. The sheet metal cutting equipment according to claim 3, characterized in that, The upper rotating shaft is fitted with a first meshing gear, and the lower rotating shaft is fitted with a second meshing gear and a first driven gear from the inside to the outside at one end. The second meshing gear meshes with the first meshing gear. The other end of the lower rotating shaft is fitted with a second driven gear, and the feed roller is fitted with a third driven gear. A first transmission chain is wound between the second driven gear and the third driven gear.
5. The sheet metal cutting equipment according to claim 4, characterized in that, The drive structure includes a first drive motor, a drive gear, and a second transmission chain. The first drive motor is installed inside the support frame, and the drive gear is sleeved on the output end of the first drive motor. The second transmission chain is wound between the drive gear and the first driven gear.
6. The sheet metal cutting equipment according to claim 5, characterized in that, The support frame is rotatably provided with a support structure for supporting and straightening the second transmission chain. A support gear is rotatably mounted on the support structure. The support gear is located on one side of the second transmission chain and is adapted to the second transmission chain.
7. The sheet metal cutting equipment according to claim 1, characterized in that, The feeding platform is provided with multiple feeding rollers at intervals, and the height of the feeding rollers is the same as the height of the feed rollers.
8. The sheet metal cutting equipment according to claim 1, characterized in that, The processing table is equipped with a swinging structure, and an installation shaft is inserted into one end of the swinging structure. The pressure roller is sleeved outside the installation shaft and located above the feed roller.
9. The sheet metal cutting equipment according to claim 1, characterized in that, The adjusting component includes a disassembly block and a sliding block. The disassembly block is detachably connected to the side wall of the feeding table. The disassembly block is provided with a transverse guide rail. The sliding block is slidably mounted on the transverse guide rail. The sliding block is provided with a lifting guide rail. The limiting band is slidably mounted on the lifting guide rail.
10. The sheet metal cutting equipment according to claim 9, characterized in that, The limiting belt includes an abutment belt, a second drive motor, and a lifting block slidably mounted on the lifting guide rail. The abutment belt and the second drive motor are both mounted on the lifting block. The second drive motor is used to control the running state of the abutment belt. The limiting space is formed between the abutment belts on both sides.