Silicon steel sheet double-beveling cutter group driving mechanism
By adding a second gantry to the cutting drive mechanism of the transformer and driving it to slide through the telescopic cylinder, the problem of the upper cutter offset caused by the movement of the silicon steel coil is solved, and a more stable cutting process and more convenient maintenance are achieved.
Patent Information
- Application Number
- CN202420772341.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-04-15
AI Technical Summary
During the oblique cutting of the silicon steel coil, the deformation may cause movement, which causes the upper cutting knife to be subjected to an inclined external force. Due to the suspension setting, the overall structure of the telescopic cylinder is unstable. The upper cutting knife is prone to shift with the movement of the silicon steel coil, which affects the cutting quality.
The second gantry and the first gantry are added to drive the sliding of the second gantry through the telescopic cylinder to drive the upper cutter movement, and use the high structural strength of the second gantry to resist the external force caused by the movement of the silicon steel coil to avoid the upper cutter. Cutter offset.
Effectively resist the external force caused by the movement of the silicon steel coil, avoid the deviation of the upper cutter, ensure the cutting quality of the silicon steel sheet, and at the same time, the fixing method of the telescopic cylinder is changed, providing greater installation space and easy maintenance.
Smart Images
Figure CN222429466U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of transformer manufacturing, and in particular relates to a driving mechanism for a silicon steel sheet double-bevel cutting knife group. Background Art
[0002] The transformer core is composed of multiple silicon steel sheets. During the production process, the silicon steel coil needs to be unfolded and cut to form trapezoidal silicon steel sheets to facilitate subsequent splicing and assembly to form cores of different shapes.
[0003] Since the silicon steel coil needs to be cut into trapezoidal silicon steel sheets, the knife group needs to be set at an angle. The knife group generally includes an upper cutter and a lower cutter. The blades of the upper cutter and the lower cutter are relatively set. When in use, the lower cutter is fixed, and the upper cutter is vertically downward with the help of a driving mechanism and clamps the silicon steel coil together with the lower cutter to form a cut. The traditional driving mechanism of the upper cutter generally includes a gantry and a telescopic cylinder. The gantry suspends the upper cutter above the lower cutter with the help of the telescopic cylinder, and the upper cutter moves in the vertical direction with the help of the telescopic cylinder.
[0004] However, during the bevel cutting process, the silicon steel coil may move due to deformation, causing the upper cutter to be subjected to an inclined external force. The telescopic cylinder is suspended, resulting in an unstable overall structure. The upper cutter is easily offset with the movement of the silicon steel coil, thereby affecting the cutting quality of the silicon steel sheet. Utility Model Content
[0005] In order to solve the problems existing in the above-mentioned prior art, the utility model provides a driving mechanism for a double bevel cutting knife group for silicon steel sheets, which is additionally provided with a second gantry and is sleeved with the first gantry. The telescopic cylinder drives the upper cutter to move by driving the sliding of the second gantry. The high structural strength of the second gantry is used to resist the external force caused by the movement of the silicon steel coil, thereby avoiding the deviation of the upper cutter and ensuring the cutting quality of the silicon steel sheet.
[0006] The specific technical solution adopted by the utility model is:
[0007] A driving mechanism for a double-bevel cutting knife group for silicon steel sheets, wherein the driving mechanism is arranged on a workbench, and a slide and a cutting knife group are also arranged on the workbench, wherein two groups of the cutting knife groups are arranged, and the cutting knife group comprises an upper cutting knife, a lower cutting knife and a driving mechanism thereof, wherein the silicon steel sheet slides and is transported along the table surface of the slide, and a cutting groove penetrating the workbench is arranged on the slide, and the lower cutting knife is fixed in the cutting groove, and the upper cutting knife moves relative to the lower cutting knife with the help of the driving mechanism to form cutting of the silicon steel sheet, and the driving mechanism comprises an N-shaped first gantry, a U-shaped second gantry and a telescopic cylinder, wherein the first gantry is fixed to the workbench and straddles the top of the slide, and the second gantry is sleeved inside the first gantry, and the second has the freedom to slide up and down relative to the first with the help of the telescopic cylinder, and the upper cutting knife is arranged on the opening side of the second gantry, and the lower cutting knife is arranged on the opening side of the first gantry, and the silicon steel sheet passes through the gap between the upper cutting knife and the lower cutting knife.
[0008] Guide rails along the vertical direction are arranged on both sides of the first gantry, and both sides of the second gantry are matched with the guide rails and have the freedom to move along the guide rails with the help of telescopic cylinders. Guide blocks are fixed on both sides of the second gantry, and the guide blocks are slidably connected to the guide rails. The second gantry has the freedom to move along the guide rails with the help of the guide blocks.
[0009] The driving mechanism also includes a limiting column and a fixed beam, wherein the fixed beam is arranged on the opening side of the second gantry and is fixedly connected to the second gantry, and the upper cutter is fixedly connected to the second gantry with the help of the fixed beam. A first limiting hole is arranged on the top of the first gantry, one end of the limiting column is fixedly connected to the fixed beam, and the other end of the limiting column passes through the first limiting hole and has the freedom to move along the first limiting hole, and the upper cutter is limited with the help of the limiting column.
[0010] The driving mechanism also includes a steel sheet pressing mechanism, which includes a pressing block and a connecting cantilever. The connecting cantilever is fixed on both sides of the fixed beam. The pressing block is arranged at the cantilevered end of the connecting cantilever. A limiting channel for the silicon steel sheet to pass through is formed between the pressing block and the slide. The pressing block presses the silicon steel sheet with the help of the downward movement of the fixed beam.
[0011] A pressing buffer mechanism is also arranged between the connecting cantilever and the pressing block, and the pressing buffer mechanism includes a limiting rod and a buffer spring sleeved with the limiting rod. The pressing block is connected to the connecting cantilever by means of the buffer spring, and a second limiting hole in the vertical direction is arranged at the end of the connecting cantilever. One end of the limiting rod is fixedly connected to the pressing block, and the other end of the limiting rod passes through the buffer spring and the second limiting hole. The limiting rod has the freedom to move along the second limiting hole, and the pressing block forms a horizontal limit with the help of the limiting rod.
[0012] The fixed end of the telescopic cylinder is fixedly connected to the workbench toward the opening side of the second gantry, and the telescopic end of the telescopic cylinder is fixedly connected to the crossbeam of the second gantry.
[0013] The beneficial effects of the utility model are:
[0014] The utility model further provides a second gantry and makes it sleeved with the first gantry, wherein the first gantry is a gantry in a traditional driving mechanism. The telescopic cylinder in the utility model does not directly act on the upper cutter to move it, but drives the upper cutter to move by sliding the second gantry. Due to the high structural strength of the second gantry, the external force caused by the movement of the silicon steel coil can be resisted during the up and down movement of the second gantry, thereby avoiding the deviation of the upper cutter and ensuring the cutting quality of the silicon steel sheet. At the same time, the telescopic cylinder changes its suspension fixing method and is fixed under the workbench, which provides a larger installation space and facilitates the maintenance of the telescopic cylinder by the staff. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the top view structure of the utility model;
[0017] Figure 3 It is a structural schematic diagram of the steel sheet pressing mechanism;
[0018] Figure 4 Schematic diagram of the cooperation between the guide rail and the guide block;
[0019] In the attached drawings, 1, workbench, 2, slide, 3, upper cutting knife, 4, lower cutting knife, 5, cutting groove, 6, first gantry, 7, second gantry, 8, telescopic cylinder, 9, guide rail, 10, guide block, 11, limit column, 12, fixed beam, 13, first limit hole, 14, pressure block, 15, connecting cantilever, 16, limit rod, 17, buffer spring, 18, second limit hole, 19, silicon steel coil. DETAILED DESCRIPTION
[0020] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:
[0021] Specific embodiments, such as Figure 1-4As shown, the utility model provides a driving mechanism for a double-bevel cutting knife group for silicon steel sheets, wherein the driving mechanism is arranged on a workbench 1, and a slide 2 and a cutting knife group are also arranged on the workbench 1. The cutting knife group is provided with two groups, and the cutting knife group includes an upper cutting knife 3, a lower cutting knife 4 and a driving mechanism thereof. The silicon steel sheet is slidably transported along the table surface of the slide 2, and a cutting groove 5 penetrating the workbench 1 is arranged on the slide 2, and the lower cutting knife 4 is fixed in the cutting groove 5. The upper cutting knife 3 moves relative to the lower cutting knife 4 by means of the driving mechanism to form a silicon steel sheet. Cutting, the driving mechanism includes an N-shaped first gantry 6, a U-shaped second gantry 7 and a telescopic cylinder 8, the first gantry 6 is fixed to the workbench 1 and straddles the slide 2, the second gantry 7 is sleeved inside the first gantry 6, the second has the freedom to slide up and down relative to the first with the help of the telescopic cylinder 8, the upper cutting knife 3 is arranged on the opening side of the second gantry 7, the lower cutting knife 4 is arranged on the opening side of the first gantry 6, and the silicon steel sheet passes through the gap between the upper cutting knife 3 and the lower cutting knife 4.
[0022] The current driving mechanism generally includes a gantry and a telescopic cylinder 8. However, during the bevel cutting process of the silicon steel coil 19, the silicon steel coil 19 may move due to deformation, causing the upper cutter 3 to be subjected to an inclined external force. Since the telescopic cylinder 8 is suspended, the overall structure is unstable. The upper cutter 3 is easily offset with the movement of the silicon steel coil 19, thereby affecting the cutting quality of the silicon steel sheet.
[0023] Therefore, a second gantry 7 is additionally provided in the utility model and is sleeved with the first gantry 6, wherein the first gantry 6 is a gantry in a traditional driving mechanism. The telescopic cylinder 8 in the utility model does not directly act on the upper cutter 3 to move it, but drives the upper cutter 3 to move by driving the sliding of the second gantry 7. Due to the high structural strength of the second gantry 7, the external force caused by the movement of the silicon steel coil 19 can be resisted during the up and down movement of the second gantry 7, thereby avoiding the deviation of the upper cutter 3 and ensuring the cutting quality of the silicon steel sheet. At the same time, the telescopic cylinder 8 changes its suspension fixing method and is fixed under the workbench 1, which has a larger installation space and is convenient for the staff to maintain the telescopic cylinder.
[0024] like Figure 1 and Figure 4 As shown, guide rails 9 are arranged on both sides of the first gantry 6 along the vertical direction, and the second gantry 7 is matched with the guide rails 9 on both sides and has the freedom to move along the guide rails 9 with the help of the telescopic cylinder 8. Guide blocks 10 are fixed on both sides of the second gantry 7, and the guide blocks 10 are slidably connected with the guide rails 9. The second gantry 7 has the freedom to move along the guide rails 9 with the help of the guide blocks 10. The guide rails 9 can play a limiting role to ensure that the upper cutter 3 cuts the silicon steel coil 19 along the vertical direction. At the same time, by setting the guide rails 9 and the guide blocks 10, the friction between the first gantry 6 and the second gantry 7 can be reduced, and the work demand on the telescopic cylinder 8 can be reduced.
[0025] like Figure 1-3 As shown, the driving mechanism also includes a limiting column 11 and a fixed beam 12, the fixed beam 12 is arranged on the opening side of the second gantry 7 and is fixedly connected to the second gantry 7, the upper cutter 3 is fixedly connected to the second gantry 7 with the help of the fixed beam 12, and a first limiting hole 13 is arranged on the top of the first gantry 6, one end of the limiting column 11 is fixedly connected to the fixed beam 12, and the other end of the limiting column 11 passes through the first limiting hole 13 and has the freedom to move along the first limiting hole 13, the upper cutter 3 is limited with the help of the limiting column 11, and the second gantry 7 is further limited by setting the limiting column 11 and the first limiting hole 13, so that the second gantry 7 cannot generate horizontal shaking during the up and down movement, thereby ensuring that the upper cutter 3 cuts the silicon steel coil 19 along the vertical direction.
[0026] like Figure 1-3 As shown, the driving mechanism also includes a steel sheet pressing mechanism, which includes a pressing block 14 and a connecting cantilever 15, wherein the connecting cantilever 15 is fixed on both sides of the fixed beam 12, and the pressing block 14 is arranged at the cantilevered end of the connecting cantilever 15, and a limiting channel for the silicon steel sheet to pass through is formed between the pressing block 14 and the slide 2, and the pressing block 14 presses the silicon steel sheet with the help of the downward movement of the fixed beam 12. In the process of the upper cutter 3 pressing down to cut the silicon steel coil 19, the input end of the silicon steel coil 19 may be tilted, and the silicon steel coil 19 at the input end will continue to move forward under the traction of the traction mechanism, resulting in the unfolded silicon steel coil 19 may bend and produce irreversible deformation, so a steel sheet pressing mechanism is provided, and the silicon steel coil 19 is pressed by the pressing block 14 to prevent the silicon steel coil 19 from tilting and other deformations during the cutting process.
[0027] like Figure 3As shown, a pressing buffer mechanism is also provided between the connecting cantilever 15 and the pressing block 14, and the pressing buffer mechanism includes a limiting rod 16 and a buffer spring 17 sleeved with the limiting rod 16. The pressing block 14 is connected to the connecting cantilever 15 by means of the buffer spring 17. A second limiting hole 18 in the vertical direction is provided at the end of the connecting cantilever 15. One end of the limiting rod 16 is fixedly connected to the pressing block 14, and the other end of the limiting rod 16 passes through the buffer spring 17 and the second limiting hole 18. The limiting rod 16 has the freedom to move along the second limiting hole 18. The pressure block 14 forms a horizontal limit with the help of the limit rod 16. In order to prevent the pressure block 14 from pressing the silicon steel coil 19 too tightly and thus hindering the movement of the silicon steel coil 19, the utility model is also provided with a pressing buffer mechanism. With the help of the elastic characteristics of the spring, when the pressure block 14 has pressed the silicon steel coil 19 but the steel sheet pressing mechanism continues to descend under the drive of the second gantry 7, the spring will gradually shorten and play a buffering role. Compared with a hard connection, the pressure applied by the pressure block 14 to the silicon steel coil 19 is reduced, thereby avoiding the problem of hindering the movement of the silicon steel coil 19 due to excessive pressure.
[0028] like Figure 1 As shown, the fixed end of the telescopic cylinder 8 is fixedly connected to the workbench 1 toward the opening side of the second gantry 7, and the telescopic end of the telescopic cylinder 8 is fixedly connected to the crossbeam of the second gantry 7. The telescopic end of the telescopic cylinder 8 generates greater power when extending than when retracting, and the second gantry 7 will be subject to resistance from the silicon steel coil 19 when moving along the cutting direction, and the required external force is greater, so the fixed end of the telescopic cylinder 8 faces the opening side of the second gantry 7.
Claims
1. A driving mechanism for a double-bevel cutting knife group for silicon steel sheets, wherein the driving mechanism is arranged on a workbench (1), and a slide (2) and a cutting knife group are also arranged on the workbench (1), wherein two cutting knife groups are arranged, and the cutting knife group comprises an upper cutting knife (3), a lower cutting knife (4) and a driving mechanism thereof, wherein the silicon steel sheet is slidably transported along the table surface of the slide (2), and a cutting groove (5) penetrating the workbench (1) is arranged on the slide (2), and the lower cutting knife (4) is fixed in the cutting groove (5), and the upper cutting knife (3) is relatively moved with the lower cutting knife (4) by means of the driving mechanism to form cutting of the silicon steel sheet, wherein the driving mechanism is characterized in that: The driving mechanism comprises an N-shaped first gantry (6), a U-shaped second gantry (7) and a telescopic cylinder (8); the first gantry (6) is fixed to the workbench (1) and straddled above the slide (2); the second gantry (7) is sleeved inside the first gantry (6); the second gantry has the freedom to slide up and down relative to the first gantry by means of the telescopic cylinder (8); the upper cutter (3) is arranged on the opening side of the second gantry (7); the lower cutter (4) is arranged on the opening side of the first gantry (6); and the silicon steel sheet passes through a gap between the upper cutter (3) and the lower cutter (4).
2. A silicon steel sheet double bevel cutting tool set driving mechanism according to claim 1, characterized in that: Guide rails (9) along the vertical direction are arranged on both sides of the first gantry (6); both sides of the second gantry (7) match the guide rails (9) and have the freedom to move along the guide rails (9) by means of telescopic cylinders (8); guide blocks (10) are fixed on both sides of the second gantry (7); the guide blocks (10) are slidably connected to the guide rails (9); and the second gantry (7) has the freedom to move along the guide rails (9) by means of the guide blocks (10).
3. The driving mechanism of the double bevel cutting tool set for silicon steel sheets according to claim 1, characterized in that: The driving mechanism further comprises a limiting column (11) and a fixed beam (12); the fixed beam (12) is arranged at the opening side of the second gantry (7) and is fixedly connected to the second gantry (7); the upper cutter (3) is fixedly connected to the second gantry (7) by means of the fixed beam (12); a first limiting hole (13) is arranged at the top of the first gantry (6); one end of the limiting column (11) is fixedly connected to the fixed beam (12); the other end of the limiting column (11) passes through the first limiting hole (13) and has the freedom to move along the first limiting hole (13); the upper cutter (3) is limited by means of the limiting column (11).
4. A silicon steel sheet double bevel cutting tool set driving mechanism according to claim 3, characterized in that: The driving mechanism also includes a steel sheet pressing mechanism, which includes a pressing block (14) and a connecting cantilever (15), wherein the connecting cantilever (15) is fixed on both sides of the fixed beam (12), the pressing block (14) is arranged at the cantilevered end of the connecting cantilever (15), and a limiting channel for the silicon steel sheet to pass through is formed between the pressing block (14) and the slide (2), and the pressing block (14) presses the silicon steel sheet by virtue of the downward movement of the fixed beam (12).
5. A silicon steel sheet double beveling cutter group drive mechanism according to claim 4, characterized in that: A pressing buffer mechanism is also provided between the connecting cantilever (15) and the pressing block (14), and the pressing buffer mechanism comprises a limiting rod (16) and a buffer spring (17) sleeved with the limiting rod (16); the pressing block (14) is connected to the connecting cantilever (15) by means of the buffer spring (17); a second limiting hole (18) in the vertical direction is provided at the end of the connecting cantilever (15); one end of the limiting rod (16) is fixedly connected to the pressing block (14); the other end of the limiting rod (16) passes through the buffer spring (17) and the second limiting hole (18); the limiting rod (16) has the freedom to move along the second limiting hole (18); and the pressing block (14) forms a horizontal limit with the help of the limiting rod (16).
6. The driving mechanism of the silicon steel sheet double bevel cutting tool set according to claim 1, characterized in that: The fixed end of the telescopic cylinder (8) is fixedly connected to the workbench (1) toward the opening side of the second gantry (7), and the telescopic end of the telescopic cylinder (8) is fixedly connected to the crossbeam of the second gantry (7).