Double-fixed-cutter independent movement mechanism for word bending machine

Abstract

The invention discloses a double-fixed-cutter independent movement mechanism for a word bending machine, and relates to the technical field of word bending machine equipment.The double-fixed-cutter independent movement mechanism comprises a mounting bracket, a fixed bent cutter and a connecting bracket are fixedly mounted on the mounting bracket, a speed reducer is fixedly mounted on the connecting bracket, and a motor is fixedly mounted on the speed reducer; the output end of the motor is connected with the input end of the speed reducer, a coupler is fixedly installed on the speed reducer, a driving shaft is fixedly installed on the coupler, and two first driving gears which are symmetrically distributed are fixedly installed on the driving shaft. And the left independent movement assembly, the right independent movement assembly and the braking assembly used for braking the left independent movement assembly and the right independent movement assembly are further included, independent left-right bending work of the plate is achieved through the left independent movement assembly and the right independent movement assembly, the production time is shortened, and the working efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of letter bending machine equipment, and in particular to a double fixed knife independent motion mechanism for a letter bending machine. Background Art

[0002] Letter bending machines are tools used to make metal letters and logos. They play an important role in the advertising, signage and architectural decoration industries. With the advancement of urbanization and the diversification of the business environment, the demand for high-quality, customized logos continues to increase. Although traditional manual production methods can achieve certain results, they are inefficient and have poor consistency. Therefore, the emergence of letter bending machines has greatly improved production efficiency and precision. Letter bending machines can quickly and accurately bend metal materials into various shapes to meet different design requirements through mechanized methods. In addition, letter bending machines are also suitable for a variety of metal materials, including aluminum, copper and stainless steel, making them an indispensable equipment in the modern advertising and decoration industry. With the advancement of technology, letter bending machines have also been continuously upgraded, integrating more automation functions, improving production flexibility and processing accuracy.

[0003] However, in real life, when bending materials left and right, too much manual operation is usually required, which wastes time and reduces efficiency, and wastes manpower. Therefore, the present invention provides a double fixed knife independent motion mechanism for a bending machine. Summary of the invention

[0004] In view of the above technical problems, the present invention discloses a double fixed knife independent motion mechanism for a letter bending machine, comprising a mounting bracket, on which a fixed bending knife and a connecting bracket are fixedly mounted, on which a reducer is fixedly mounted, on which a motor is fixedly mounted, the output end of the motor is connected to the input end of the reducer, on which a coupling is fixedly mounted, on which a driving shaft is fixedly mounted, on which two symmetrically distributed driving gears are fixedly mounted, and also comprising a left independent motion component, a right independent motion component and a braking component for braking the left independent motion component and the right independent motion component.

[0005] Furthermore, the left independent motion component includes a driven gear 2, which is rotatably mounted on the lower half of the mounting bracket, a left knife bar is fixedly mounted on the driven gear 2, a driven gear 1 is fixedly mounted on one end of the left knife bar, a limiting groove 2 is provided on the driven gear 1, and both the driven gear 2 and the driven gear 1 are provided with tooth-missing portions, the driven gear 1 is meshed with the driving gear 1 on the upper half of the driving shaft, and the driven gear 2 is meshed with the driving gear 1 on the lower half of the driving shaft, and the driven gear 2 and the driven gear 3 are respectively driven to rotate by the two driving gears 1, and the driven gear 2 and the driven gear 3 jointly drive the driving shaft to move, so that the driving shaft cooperates with the fixed scimitar to perform left-side bending work.

[0006] Furthermore, a cylindrical pin is fixedly mounted on the second driven gear, and the cylindrical pin drives the right-side independent motion component to move, making it more convenient to switch between the left-side independent motion component and the right-side independent motion component.

[0007] Furthermore, the right-side independent motion component includes a driven gear three, which is rotatably mounted on the upper half of the mounting bracket, the driven gear three is connected to the driven gear one, a right-side knife bar is fixedly mounted on the driven gear three, the right-side knife bar slides in the limiting groove two, a driven gear four is fixedly mounted on one end of the right-side knife bar, a limiting groove one is provided on the driven gear four, the driven gear four is meshed with the driving gear one on the lower half of the driving shaft, the driven gear three is meshed with the driving gear one on the upper half of the driving shaft, the driven gear three and the driven gear four are both provided with toothed portions, the driven gear four is connected to the driven gear two, and the driven gear three and the driven gear four are respectively driven to rotate by the two driving gears one, and the driven gear three and the driven gear four jointly drive the right-side knife bar to move, so that the right-side knife bar cooperates with the fixed scimitar to perform right-side bending work.

[0008] Furthermore, the limiting groove 1 is provided with an arc groove used in conjunction with a cylindrical pin. Through the cooperation of the cylindrical pin and the arc groove, the arc groove drives the right-side independent motion component to move through the cylindrical pin.

[0009] Furthermore, the brake assembly includes cylinder 1 and cylinder 2, wherein cylinder 1 is fixedly mounted on the lower half of the mounting bracket, and brake block 1 is fixedly mounted on the cylinder arm of cylinder 1, and brake block 1 is provided with tooth 1 used in conjunction with driven gear 4, and cylinder 2 is fixedly mounted on the lower part of the mounting bracket, and brake block 2 is fixedly mounted on the cylinder arm of cylinder 2, and brake block 2 is provided with tooth 2 used in conjunction with driven gear 2, when the left-side independent motion assembly moves, brake block 1 is driven by the cylinder arm of cylinder 1 to contact driven gear 4 to prevent driven gear 4 from moving, and when the right-side independent motion assembly moves, brake block 2 is driven by the cylinder arm of cylinder 2 to contact driven gear 2 to prevent driven gear 2 from moving.

[0010] Compared with the prior art, the present invention has the following advantages: (1) The present invention is provided with a left-side independent motion component and a right-side independent motion component, through which the left-side independent motion component and the right-side independent motion component can realize independent left and right bending of the plate, thereby reducing production time and improving work efficiency; (2) The present invention is provided with a braking component, through which it is ensured that when the left-side independent motion component and the right-side independent motion component move respectively, the other independent motion component will not move, thereby ensuring the independence of the movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0012] Figure 2 This is a schematic diagram of the structure of the right independent motion component of the present invention. Figure 1 .

[0013] Figure 3 for Figure 2 A schematic diagram of the enlarged structure in the middle.

[0014] Figure 4 The left side independent motion component of the present invention is a schematic diagram of the structure of the part Figure 1

[0015] Figure 5 The left side independent motion component of the present invention is a schematic diagram of the structure of the part Figure 2 .

[0016] Figure 6 for Figure 5 Enlarged schematic diagram of the structure at point B in the middle.

[0017] Figure 7 This is a schematic diagram of the structure of the right independent motion component of the present invention. Figure 2 .

[0018] Figure 8 This is a schematic diagram of the structure of the right independent motion component of the present invention. Figure 3 .

[0019] Figure numbers: 1-mounting bracket; 2-fixed scimitar; 3-connecting bracket; 4-motor; 5-reducer; 6-coupling; 7-arc groove; 8-driving gear one; 9-driven gear one; 10-left knife bar; 11-driving shaft; 12-scimitar welding base; 13-driven gear two; 14-driving gear two; 15-cylindrical pin; 16-driven gear three; 17-right knife bar; 18-driven gear four; 19-limiting groove one; 20-cylinder one; 21-brake block one; 22-cylinder two; 23-brake block two; 24-limiting groove two. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Example: Figure 1 As shown, a double fixed knife independent motion mechanism for a letter bending machine includes a mounting bracket 1, on which a fixed bending knife 2 and a connecting bracket 3 are fixedly mounted, on which a reducer 5 is fixedly mounted, on which a motor 4 is fixedly mounted, the output end of the motor 4 is connected to the input end of the reducer 5, on which a coupling 6 is fixedly mounted, on which a driving shaft 11 is fixedly mounted, on which two symmetrically distributed driving gears 8 are fixedly mounted, and also includes a left independent motion component, a right independent motion component and a braking component for braking the left independent motion component and the right independent motion component.

[0022] like Figure 4-Figure 6 As shown, the left independent motion component includes a driven gear 2 13, which is rotatably mounted on the lower half of the mounting bracket 1, and a left knife bar 10 is fixedly mounted on the driven gear 2 13, and a driven gear 1 9 is fixedly mounted on one end of the left knife bar 10, and a limiting groove 24 is provided on the driven gear 1 9. Both the driven gear 2 13 and the driven gear 1 9 are provided with tooth-missing portions, and the driven gear 1 9 is meshed with the driving gear 1 8 on the upper half of the driving shaft 11, and the driven gear 2 13 is meshed with the driving gear 1 8 on the lower half of the driving shaft 11, and a cylindrical pin 15 is fixedly mounted on the driven gear 2 13.

[0023] like Figure 2 , Figure 3 , Figure 7 , Figure 8As shown, the right-side independent motion component includes a driven gear three 16, which is rotatably mounted on the upper part of the mounting bracket 1, and the driven gear three 16 is connected to the driven gear one 9. A right-side knife bar 17 is fixedly mounted on the driven gear three 16, and the right-side knife bar 17 slides in the limiting groove two 24. A driven gear four 18 is fixedly mounted on one end of the right-side knife bar 17, and a limiting groove one 19 is provided on the driven gear four 18. The driven gear four 18 is meshed with the driving gear one 8 on the lower part of the driving shaft 11, and the driven gear three 16 is meshed with the driving gear one 8 on the upper part of the driving shaft 11. A tooth-missing portion is provided on both the driven gear three 16 and the driven gear four 18, and the driven gear four 18 is connected to the driven gear two 13. The limiting groove one 19 is provided with an arc groove 7 used in conjunction with the cylindrical pin 15.

[0024] The brake assembly includes a cylinder 1 20 and a cylinder 2 22. Cylinder 1 20 is fixedly mounted on the lower half of the mounting bracket 1. A brake block 1 21 is fixedly mounted on the cylinder arm of cylinder 1 20. Brake block 1 21 is provided with a tooth 1 used in conjunction with driven gear 4 18. Cylinder 2 22 is fixedly mounted on the lower part of the mounting bracket 1. A brake block 23 is fixedly mounted on the cylinder arm of cylinder 2 22. Brake block 23 is provided with a tooth 2 used in conjunction with driven gear 2 13.

[0025] Working principle: When bending is required, start the motor 4 to rotate forward, the output end of the motor 4 is adjusted by the speed reducer 5, the output end of the speed reducer 5 drives the driving shaft 11 to rotate through the coupling 6, and the driving shaft 11 drives the two driving gears 18 to rotate. When the left knife bar 10 needs to move, the two driving gears 18 are in contact with the toothed parts of the driven gear 3 16 and the driven gear 4 18, and the cylinder 120 is started. The cylinder arm of the cylinder 120 drives the brake block 121 to move, and the brake block 121 is engaged with the driven gear 4 18, and the brake block 121 prevents the driven gear 4 18 from moving. The driving gear 18 on the upper part of the driving shaft 11 drives the driven gear 19 to rotate, and the driving gear 18 on the lower part of the driving shaft 11 drives the driven gear 2 13 to rotate. The driven gear 19 and the driven gear 2 13 jointly drive the left knife bar 10 to move. The left knife bar 10 moves in the limiting groove 19. The plate is bent by the left knife bar 10, and the motor 4 is reversed. The left knife bar 10 is reset after bending. When the right knife bar 17 needs to move, the two driving gears 18 continue to drive the driven gear 19 and the driven gear 2 13 to move. The driven gear 2 13 moves through the circle The pin 15 contacts the arc groove 7 in the limiting groove 19, and the cooperation between the limiting groove 19 and the arc groove 7 drives the driven gear 4 18 to move, and the cylinder 1 20 is started to retract the cylinder arm of the cylinder 1 20, and the cylinder 2 22 is started. The cylinder arm of the cylinder 22 drives the brake block 23 to mesh with the driven gear 2 13, and the brake block 23 prevents the driven gear 2 13 from moving. At this time, the two driving gears 1 8 are in contact with the toothed parts on the driven gears 1 9 and 13, and the driving gear 1 8 on the upper part of the driving shaft 11 drives the driven gear 3 16 to rotate, and the lower part of the driving shaft 11 Part of the active gear 18 drives the driven gear 4 18 to rotate, and the driven gear 3 16 and the driven gear 4 18 jointly drive the right knife bar 17 to move, and the right knife bar 17 moves in the limiting groove 24, and the plate is bent by the right knife bar 17. After the right independent motion component completes the bending, the motor 4 rotates forward, and the right knife bar 17 is reset after bending, and then the right knife bar 17 drives the driven gear 1 9 through the limiting groove 24 to engage with the active gear 1 8 on the driving shaft 11, and so on and so forth, so that the left knife bar 10 and the right knife bar 17 can perform independent bending movements on the plate.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double fixed blade independent motion mechanism for a letter bending machine, characterized in that: The invention comprises a mounting bracket (1), a fixed scimitar (2) and a connecting bracket (3) are fixedly mounted on the mounting bracket (1), a reducer (5) is fixedly mounted on the connecting bracket (3), a motor (4) is fixedly mounted on the reducer (5), an output end of the motor (4) is connected to an input end of the reducer (5), a coupling (6) is fixedly mounted on the reducer (5), a driving shaft (11) is fixedly mounted on the coupling (6), two symmetrically distributed driving gears (8) are fixedly mounted on the driving shaft (11), and the invention also comprises a left independent motion component, a right independent motion component and a braking component for braking the left independent motion component and the right independent motion component.

2. A double fixed blade independent motion mechanism for a letter bending machine as claimed in claim 1, characterized in that: The left independent motion component comprises a driven gear 2 (13), the driven gear 2 (13) is rotatably mounted on the lower half of the mounting bracket (1), a left knife bar (10) is fixedly mounted on the driven gear 2 (13), a driven gear 1 (9) is fixedly mounted on one end of the left knife bar (10), a limiting groove 2 (24) is provided on the driven gear 1 (9), both the driven gear 2 (13) and the driven gear 1 (9) are provided with tooth-missing portions, the driven gear 1 (9) is meshed with the driving gear 1 (8) on the upper half of the driving shaft (11), and the driven gear 2 (13) is meshed with the driving gear 1 (8) on the lower half of the driving shaft (11).

3. A double fixed blade independent motion mechanism for a letter bending machine as claimed in claim 2, characterized in that: A cylindrical pin (15) is fixedly mounted on the second driven gear (13).

4. The double fixed blade independent motion mechanism for a letter bending machine according to claim 2, characterized in that: The right independent motion component comprises a driven gear three (16), the driven gear three (16) is rotatably mounted on the upper part of the mounting bracket (1), the driven gear three (16) is connected to the driven gear one (9), a right knife bar (17) is fixedly mounted on the driven gear three (16), the right knife bar (17) slides in the limiting groove two (24), a driven gear four (18) is fixedly mounted on one end of the right knife bar (17), the driven gear four (18) is provided with a limiting groove one (19), the driven gear four (18) is meshed with the driving gear one (8) on the lower part of the driving shaft (11), the driven gear three (16) is meshed with the driving gear one (8) on the upper part of the driving shaft (11), the driven gear three (16) and the driven gear four (18) are both provided with tooth-missing parts, and the driven gear four (18) is connected to the driven gear two (13).

5. The double fixed blade independent motion mechanism for a letter bending machine according to claim 4, characterized in that: The limiting groove 1 (19) is provided with an arc groove (7) used in conjunction with the cylindrical pin (15).

6. A double fixed blade independent motion mechanism for a letter bending machine as claimed in claim 4, characterized in that: The brake assembly comprises a cylinder 1 (20) and a cylinder 2 (22), wherein the cylinder 1 (20) is fixedly mounted on the lower half of the mounting bracket (1), a brake block 1 (21) is fixedly mounted on the cylinder arm of the cylinder 1 (20), and the brake block 1 (21) is provided with a tooth 1 for use with a driven gear 4 (18), and the cylinder 2 (22) is fixedly mounted on the lower part of the mounting bracket (1), a brake block 2 (23) is fixedly mounted on the cylinder arm of the cylinder 2 (22), and the brake block 2 (23) is provided with a tooth 2 for use with a driven gear 2 (13).

Images