An automatic die-cutting machine

Abstract

This application relates to an automatic die-cutting machine, which includes a frame and a die-cutting knife. An adjustment device is arranged inside the frame. The adjustment device includes an adjustment frame, an adjustment plate, and an adjustment mechanism. The adjustment plate is arranged on the adjustment frame, and the die-cutting knife is connected to the adjustment plate by bolts. The adjustment frame is connected to the frame through the adjustment mechanism, and the adjustment frame can drive the adjustment plate to move out of the frame.

Description

Technical Field

[0001] This application relates to the technical field of die-cutting processing, and particularly to an automatic die-cutting machine. Background Art

[0002] The die-cutting process is one of the most commonly used processes in packaging and printing. It is a forming process in which a die-cutting knife is combined into a die-cutting plate according to the pattern requirements of product design, and under the action of pressure, the printed matter or other circular blanks are rolled and cut into the required shapes or cut marks.

[0003] In the prior art, a die-cutting machine includes a frame, a cylinder is fixedly connected to the frame, a connecting plate is connected to the piston rod of the cylinder, and a die-cutting knife is fixedly connected to the connecting plate. When the cylinder is started, the piston rod of the cylinder drives the connecting plate to move, and the connecting plate drives the die-cutting knife to move, and the die-cutting knife will perform a cutting action.

[0004] Because the die-cutting knife is located inside the frame, when the die-cutting knife needs to be replaced, the operator needs to enter the frame to replace the die-cutting knife. However, the space of the frame is limited, so it is inconvenient for the operator to operate when replacing the die-cutting knife, resulting in more time spent and lower replacement efficiency. Summary of the Invention

[0005] In order to improve efficiency, this application provides an automatic die-cutting machine.

[0006] An automatic die-cutting machine provided by this application adopts the following technical solutions:

[0007] An automatic die-cutting machine includes a frame and a die-cutting knife. An adjustment device is arranged inside the frame. The adjustment device includes an adjustment frame, an adjustment plate and an adjustment mechanism. The adjustment plate is arranged on the adjustment frame, and the die-cutting knife is connected to the adjustment plate by bolts; the adjustment frame is connected to the frame through the adjustment mechanism, and the adjustment frame can drive the adjustment plate to move out of the frame.

[0008] By adopting the above technical solutions, when the die-cutting knife needs to be replaced, first start the adjustment mechanism, the adjustment mechanism drives the adjustment frame to move, so that the adjustment plate on the adjustment frame drives the die-cutting knife to move out of the frame, and then the operator replaces the die-cutting knife; the provided adjustment mechanism can reduce the time for replacing the die-cutting knife, thereby saving time and improving efficiency.

[0009] Optionally, the adjustment frame includes a fixed frame and a sliding frame, the fixed frame is arranged in the frame, the sliding frame is slidably arranged on the fixed frame, and the adjustment plate is arranged on the sliding frame; the adjustment mechanism includes a vertical drive assembly and a horizontal drive assembly, the vertical drive assembly is arranged on the frame and connected to the fixed frame; the horizontal drive assembly is arranged on the fixed frame and connected to the sliding frame.

[0010] By adopting the above technical solution, the vertical drive assembly is started, the vertical drive assembly can drive the fixed frame to move, the sliding frame on the fixed frame drives the adjustment plate to move, and the die-cutting knife on the adjustment plate will move to achieve cutting; when the die-cutting knife needs to be replaced, the transverse drive assembly is started, the transverse drive assembly drives the sliding frame and the adjustment plate to move out of the frame, and then the die-cutting knife is replaced.

[0011] Optionally, a rotation mechanism is provided on the sliding frame, and the rotation mechanism includes an adjusting block, a first rotating shaft, a limiting block and a shifting block, the adjusting block is arranged on the sliding frame, a groove is provided on the adjusting block, a first through hole connected to the groove is provided on the adjusting block, the first rotating shaft is rotatably arranged on the adjusting block, and the adjusting plate is arranged on the first rotating shaft; a limiting groove is provided on the adjusting plate, the limiting block is slidably arranged in the groove and is engaged with the limiting groove; the shifting block is arranged on the limiting block, and an end of the shifting block away from the limiting block passes through the first through hole.

[0012] By adopting the above technical solution, when the sliding frame drives the adjustment plate to move out of the frame, the shift block is first moved to separate the limiting block from the limiting groove; then the adjustment plate is rotated to make the adjustment plate drive one end of the die-cutting knife to rotate to the side away from the ground; then the shift block is moved to make the limiting block engage with the limiting groove, and then the die-cutting knife is replaced; therefore, the rotating mechanism set up can facilitate the replacement of the die-cutting knife.

[0013] Optionally, a first adjustment component is provided on the sliding frame, and the first adjustment component includes a first motor and a first screw. A first sliding groove is opened on the sliding frame, and the adjustment block is slidably set in the first sliding groove; the first screw passes through the adjustment block and is threadedly connected to the adjustment block; the first motor is set on the sliding frame and the output shaft is connected to the first screw.

[0014] By adopting the above technical solution, when the adjustment plate drives one end of the die-cutting knife to rotate to the side away from the ground, in order to facilitate the operator to better install the die-cutting knife, the first motor is started, the output shaft of the first motor drives the first screw to rotate, and the first screw drives the adjustment block to move in the first slide groove toward the direction close to the fixed frame, so that the operator can install the die-cutting knife well no matter where the adjustment plate is.

[0015] Optionally, a second through hole is formed in the adjusting plate, and a positioning mechanism is arranged on the adjusting plate. The positioning mechanism includes a mounting block, a connecting block, a first positioning block, a second positioning block, a third positioning block, a fourth positioning block and a second adjusting component. The mounting block abuts against the adjusting plate, the connecting block is arranged on the mounting block, and one end of the connecting block away from the mounting block passes through the second through hole; the first positioning block is slidably arranged on the mounting block through the second adjusting component; the second positioning block is slidably arranged on the first positioning block through the second adjusting component; the third positioning block is slidably arranged on the second positioning block through the second adjusting component; the fourth positioning block is slidably arranged on the third positioning block through the second adjusting component; and the first positioning block, the second positioning block, the third positioning block and the fourth positioning block all abut against the die cutting knife.

[0016] By adopting the above technical solution, when the die cutting knife needs to be installed on the adjusting plate, first make the mounting block abut against the adjusting plate and make one end of the connecting block away from the mounting block pass through the second through hole; then start the second adjusting component on the mounting block and the second adjusting component on the first positioning block to adjust the positions of the first positioning block and the second positioning block; then place the die cutting knife on the adjusting plate and make one side wall of the die cutting knife abut against the first positioning block and the other side wall of the die cutting knife abut against the second positioning block; then start the second adjusting component on the second positioning block to make the third positioning block abut against one side wall of the die cutting knife; then start the second adjusting component on the third positioning block to make the fourth positioning block abut against one side wall of the die cutting knife; under the limitation of the first positioning block, the second positioning block, the third positioning block and the fourth positioning block, the position of the die cutting knife will be limited, and finally connect the die cutting knife to the adjusting plate through bolts; the arranged positioning mechanism can save the adjustment time of the die cutting knife, thereby improving the installation efficiency.

[0017] Optionally, a first cavity is formed in the connection block, and two third through holes communicating with the first cavity are formed in the connection block. A second cavity is formed in the mounting block, and a reinforcement mechanism is arranged on the mounting block. The reinforcement mechanism includes reinforcement blocks, adjustment racks, first adjustment shafts, adjustment gears, and third adjustment components. There are two reinforcement blocks, and the two reinforcement blocks are respectively slidably arranged in the two third through holes, and both of the two reinforcement blocks abut against the side of the adjustment plate away from the mounting block; adjustment racks are arranged on the sides of the two reinforcement blocks close to each other; the first adjustment shaft is rotatably arranged on the connection block, one end of the first adjustment shaft is located in the second cavity of the mounting block and the other end is located in the first cavity; the adjustment gears are arranged on one end of the first adjustment shaft located in the first cavity, and both of the two adjustment gears are meshed with the adjustment gears; the third adjustment components are arranged on the mounting block, and the first adjustment shaft located in the second cavity is connected to the third adjustment components.

[0018] By adopting the above technical solution, when the mounting block abuts against the adjustment plate and the end of the connection block away from the mounting block passes through the second through hole, the third adjustment components are adjusted. The third adjustment components drive the first adjustment shafts on each connection block to rotate, and the adjustment gears on the first adjustment shafts will rotate. The adjustment gears drive the two adjustment racks to move, and the two adjustment racks will drive the two reinforcement blocks to move, so that both of the two reinforcement blocks on the connection block abut against the side of the adjustment plate away from the mounting block; this can improve the stability of the mounting block on the adjustment plate, so that the positioning mechanism can better realize the positioning function.

[0019] Optionally, a fourth through hole is formed in the mounting block, and a sliding groove is formed in the side wall of the fourth through hole; a display mechanism is arranged on the mounting block. The display mechanism includes a display rod, a sliding plate, and a spring. The display rod is slidably arranged in the fourth through hole, the sliding plate is arranged on the display rod and is located in the sliding groove; the spring is sleeved on the display rod, one end of the spring is connected to the side wall of the sliding groove and the other end is connected to the sliding plate.

[0020] By adopting the above technical solution, when the mounting block is placed on the adjustment plate and abuts against the adjustment plate, the display rod will abut against the adjustment plate, and the display rod can slide in the fourth through hole. The sliding of the sliding plate in the sliding groove can limit the displacement of the display rod; at this time, the spring will deform. When the positioning mechanism is not in use, the spring can reset the display rod; the operator can select whether to adjust the third adjustment components to drive the reinforcement blocks to move according to the position of the display rod, reducing the phenomenon of damage to the third adjustment components or the first adjustment shafts.

[0021] Optionally, a feedback component is provided on the mounting block. The feedback component includes a second rotating shaft and a feedback rod. The second rotating shaft is rotatably provided on the mounting block, the feedback rod is provided on the second rotating shaft, and a feedback groove for placing the feedback rod is formed on the display rod.

[0022] By adopting the above technical solution, when the second rotating shaft is rotated, if the feedback rod can enter the feedback groove of the display rod, it indicates that the mounting block is completely in contact with the adjusting plate. At this time, the third adjusting component is used to drive the first adjusting shaft to rotate; if the feedback rod cannot enter the feedback groove of the display rod, it means that the mounting block is not completely in contact with the adjusting plate. At this time, if the third adjusting component drives the first adjusting shaft to rotate, the reinforcing block will contact the side wall of the second through hole, which will cause damage to the third adjusting component or the adjusting shaft.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The provided adjusting mechanism can reduce the time for replacing the die-cutting knife, thereby saving time and improving efficiency;

[0025] 2. The provided positioning mechanism can save the adjustment time of the die-cutting knife, thereby improving the installation efficiency. Description of the Drawings

[0026] Figure 1 It is a schematic structural diagram of an automatic die-cutting machine in an embodiment of the present application;

[0027] Figure 2 It is a schematic structural diagram of a vertical driving component in an embodiment of the present application;

[0028] Figure 3 It is a schematic structural diagram of a horizontal driving component in an embodiment of the present application;

[0029] Figure 4 It is a schematic structural diagram of a positioning mechanism in an embodiment of the present application;

[0030] Figure 5 is Figure 4 an enlarged view of A in;

[0031] Figure 6 It is a schematic structural diagram of a display mechanism in an embodiment of the present application.

[0032] Reference numerals: 1, frame; 2, die-cutting knife; 3, adjusting device; 31, adjusting frame; 311, fixing frame; 312, sliding frame; 32, adjusting plate; 4, adjusting mechanism; 41, vertical driving assembly; 411, cylinder; 412, connecting plate; 413, connecting rod; 42, horizontal driving assembly; 421, second motor; 422, second screw; 5, rotating mechanism; 51, adjusting block; 52, first rotating shaft; 53, limiting block; 54, shifting block; 55, first adjusting assembly; 551, first motor; 552, first screw; 6, positioning mechanism; 61, first positioning block; 62, second positioning block; 63, third positioning block; 64, fourth positioning block; 65, mounting block; 651, second cavity; 66, connecting block; 67, second adjusting assembly; 671, third motor; 672, third screw; 7, reinforcement mechanism; 71, reinforcement block; 72, adjusting rack; 73, first adjusting shaft; 74, adjusting gear; 75, third adjusting assembly; 751, first bevel gear; 752, second bevel gear; 753, second adjusting shaft; 8, display mechanism; 81, display rod; 82, sliding plate; 83, spring; 9, feedback assembly; 91, second rotating shaft; 92, feedback rod. Detailed implementation manners

[0033] The following further elaborates on this application in conjunction with the attached Figures 1-6 drawings.

[0034] An embodiment of this application discloses an automatic die-cutting machine.

[0035] Referring to Figure 1 , an automatic die-cutting machine includes a frame 1, an adjusting mechanism 4 is arranged on the frame 1, and a die-cutting knife 2 is arranged on the adjusting mechanism 4.

[0036] Referring to Figure 1 and Figure 2 , the adjusting mechanism 4 includes an adjusting frame 31. The adjusting frame 31 includes a fixing frame 311 arranged inside the frame 1. A second sliding groove is formed in the fixing frame 311, and a sliding frame 312 is slidably connected in the second sliding groove.

[0037] Referring to Figure 1 , Figure 2 and Figure 3 , an adjusting mechanism 4 is arranged on the frame 1. The adjusting mechanism 4 includes a vertical driving assembly 41. The vertical driving assembly 41 includes a cylinder 411 fixedly connected to the frame 1. A connecting plate 412 is connected to the piston rod of the cylinder 411. A connecting rod 413 is fixedly connected to the connecting plate 412. One end of the connecting rod 413 away from the connecting plate 412 is connected to the fixing frame 311.

[0038] The fixing frame 311 is provided with a lateral driving component 42. The lateral driving component 42 includes a second screw rod 422 rotatably connected in the second chute. The second screw rod 422 passes through the sliding frame 312 and is in threaded connection with the sliding frame 312. A second motor 421 is fixedly connected to the fixing frame 311, and the output shaft of the second motor 421 is connected to one end of the second screw rod 422.

[0039] Start the cylinder 411. The piston rod of the cylinder 411 drives the connecting plate 412 to move. The connecting rod 413 on the connecting plate 412 drives the fixing frame 311 to move in the vertical direction, and the fixing frame 311 will drive the sliding frame 312 to move. Start the second motor 421. The output shaft of the second motor 421 drives the second screw rod 422 to rotate, and the second screw rod 422 drives the sliding frame 312 to slide in the second chute of the fixing frame 311.

[0040] Reference Figure 3 、 Figure 4 and Figure 5 The sliding frame 312 is provided with a first chute, and the sliding frame 312 is provided with a rotating mechanism 5. The rotating mechanism 5 includes an adjusting block 51 slidably connected in the first chute. The sliding frame 312 is provided with a first adjusting component 55. The first adjusting component 55 includes a first screw rod 552 rotatably connected in the first chute. The first screw rod 552 passes through the adjusting block 51 and is in threaded connection with the adjusting block 51. A first motor 551 is fixedly connected to the sliding frame 312, and the output shaft of the first motor 551 is connected to one end of the first screw rod 552.

[0041] A first rotating shaft 52 is rotatably connected to the adjusting block 51. An adjusting plate 32 is fixedly connected to the first rotating shaft 52. A die-cutting knife 2 is connected to the adjusting plate 32 by bolts. A groove is formed in the adjusting block 51, and a limiting block 53 is slidably connected in the groove. A limiting groove for clamping the limiting block 53 is formed in the adjusting plate 32. A first through hole communicating with the groove is formed in the adjusting block 51, and a dial block 54 is fixedly connected to the limiting block 53. One end of the dial block 54 away from the limiting block 53 passes through the first through hole.

[0042] At the beginning, the adjusting block 51 is located at one end of the sliding frame 312 away from the fixed frame 311. When the die-cutting knife 2 needs to be replaced, first, make the end of the sliding frame 312 away from the fixed frame 311 slide out of the machine frame 1; then move the shifting block 54, and the shifting block 54 drives the limiting block 53 to move, so that the limiting block 53 is separated from the limiting groove on the adjusting plate 32; then rotate the adjusting plate 32 again to make the end of the adjusting plate 32 where the die-cutting knife 2 is installed rotate to the side away from the ground; then move the shifting block 54 to make the limiting block 53 engage with the limiting groove on the adjusting plate 32; then start the first motor 551, the output shaft of the first motor 551 drives the first screw rod 552 to rotate, the first screw rod 552 drives the adjusting block 51 to slide in the first chute, and the first rotating shaft 52 and the limiting block 53 on the adjusting block 51 will drive the adjusting plate 32 to move, so that the operator can easily replace the die-cutting knife 2.

[0043] Reference Figure 4 and Figure 6 , a plurality of second through holes are formed in the adjusting plate 32, and a positioning mechanism 6 is arranged on the adjusting plate 32. The positioning mechanism 6 includes a mounting block 65 that abuts against the adjusting plate 32. A plurality of connecting blocks 66 are fixedly connected to the mounting block 65, and one end of the connecting block 66 away from the mounting block 65 passes through the second through hole.

[0044] A third chute is formed in the mounting block 65, and a second adjusting component 67 is arranged on the mounting block 65. The second adjusting component 67 is a slider slidably connected in the third chute; a third screw rod 672 is rotatably connected in the third chute, and the third screw rod 672 passes through the slider and is threadedly connected to the slider; a third motor 671 is fixedly connected to the mounting block 65, and the output shaft of the third motor 671 is connected to one end of the third screw rod 672.

[0045] A first positioning block 61 is fixedly connected to the slider in the mounting block 65. A third chute is also formed in the first positioning block 61 and a second adjusting component 67 is arranged. A second positioning block 62 is fixedly connected to the slider in the first positioning block 61; a third chute is also formed in the second positioning block 62 and a second adjusting component 67 is arranged. A third positioning block 63 is fixedly connected to the slider in the second positioning block 62; a third chute is also formed in the third positioning block 63 and a second adjusting component 67 is arranged. A fourth positioning block 64 is fixedly connected to the slider in the third positioning block 63. And the first positioning block 61, the second positioning block 62, the third positioning block 63 and the fourth positioning block 64 all abut against the die-cutting knife 2.

[0046] When replacing the die-cutting blade 2 and the die-cutting blade 2 needs to be installed at different positions on the adjustment plate 32, first make the mounting block 65 abut against the adjustment plate 32, and make the end of the connecting block 66 away from the mounting block 65 pass through the second through hole; then start the third motor 671, the output shaft of the third motor 671 drives the third screw 672 to rotate, and the third screw 672 drives the slider to slide in the third chute; first, according to the position where the die-cutting blade 2 needs to be installed, change the positions of the first positioning block 61 and the second positioning block 62. When the positions of the first positioning block 61 and the second positioning block 62 are determined, make one side wall of the die-cutting blade 2 abut against the first positioning block 61, and the other side wall of the die-cutting blade 2 abut against the second positioning block 62; then make the third positioning block 63 move towards the direction close to the first positioning block 61, and the fourth positioning block 64 move towards the direction close to the second positioning block 62, so that the first positioning block 61, the second positioning block 62, the third positioning block 63 and the fourth positioning block 64 all abut against the die-cutting blade 2; finally, connect the die-cutting blade 2 to the adjustment plate 32 through bolts.

[0047] Reference Figure 4 and Figure 6 A second cavity 651 is provided on the mounting block 65. One end of the connecting block 66 away from the mounting block 65 is provided with a first cavity, and two third through holes communicating with the first cavity are provided on the connecting block 66.

[0048] A reinforcing mechanism 7 is provided on the connecting block 66. The reinforcing mechanism 7 includes two reinforcing blocks 71. The two reinforcing blocks 71 are respectively slidably connected in the two third through holes, and the reinforcing blocks 71 abut against the side of the adjustment plate 32 away from the mounting block 65; on the sides of the two reinforcing blocks 71 close to each other, adjusting racks 72 are integrally provided; a first adjusting shaft 73 is rotatably connected to the connecting block 66. One end of the first adjusting shaft 73 is located in the first cavity, and an adjusting gear 74 is key-connected to the first adjusting shaft 73 located in the first cavity. The adjusting gear 74 is located between the two adjusting racks 72, and the two adjusting racks 72 are both engaged with the adjusting gear 74. The end of the first adjusting shaft 73 away from the adjusting gear 74 passes through the connecting block 66 and is located in the second cavity 651 of the mounting block 65.

[0049] A third adjusting assembly 75 is provided on the mounting block 65. The third adjusting assembly 75 includes a second adjusting shaft 753 rotatably connected to the mounting block 65. A part of the second adjusting shaft 753 is located in the second cavity 651. A first bevel gear 751 is key-connected to the second adjusting shaft 753 located in the second cavity 651. A second bevel gear 752 is key-connected to the first adjusting shaft 73 located in the second cavity 651. The second bevel gear 752 is engaged with the first bevel gear 751.

[0050] When one end of the connecting block 66 away from the mounting block 65 passes through the second through hole, rotate the second adjusting shaft 753. The second adjusting shaft 753 drives the first bevel gear 751 to rotate, the first bevel gear 751 drives the second bevel gear 752 to rotate, the second bevel gear 752 drives the first adjusting shaft 73 to rotate, the first adjusting shaft 73 drives the adjusting gear 74 to rotate, the adjusting gear 74 drives the two adjusting racks 72 to move away from each other, and the two adjusting racks 72 drive the two reinforcing blocks 71 to move away from each other, so that the two reinforcing blocks 71 both abut against the side of the adjusting plate 32 away from the mounting block 65.

[0051] Reference Figure 4 and Figure 6 As shown in FIGS. 0 and 1, a fourth through hole is formed in the mounting block 65, and a sliding groove communicating with the fourth through hole is formed in the mounting block 65; a display mechanism 8 is arranged on the mounting block 65, and the display mechanism 8 includes a display rod 81 slidably connected in the fourth through hole. A sliding plate 82 is fixedly connected to the display rod 81. The sliding plate 82 is located in the sliding groove and can slide in the sliding groove; a spring 83 is sleeved on the display rod 81. One end of the spring 83 is connected to the sliding plate 82 and the other end is connected to the side wall of the sliding groove.

[0052] When the mounting block 65 is placed on the adjusting plate 32, the display rod 81 abuts against the adjusting plate 32, and the display rod 81 slides in the fourth through hole, so that one end of the display rod 81 away from the adjusting plate 32 extends out of the fourth through hole; and the sliding plate 82 also slides in the sliding groove, and at this time the spring 83 will deform.

[0053] Reference Figure 4 and Figure 6 As shown in FIGS. 0 and 2, a feedback groove is formed at one end of the display rod 81 away from the adjusting plate 32, and a feedback assembly 9 is arranged on the mounting block 65. The feedback assembly 9 includes a second rotating shaft 91 rotatably connected to the mounting block 65, and a feedback rod 92 is fixedly connected to the second rotating shaft 91. The feedback rod 92 can enter the feedback groove.

[0054] Rotate the second rotating shaft 91, and the second rotating shaft 91 drives the feedback rod 92 to move, so that the feedback rod 92 enters the feedback groove of the display rod 81.

[0055] The implementation principle of an automatic die-cutting machine according to an embodiment of the present application is as follows: when the die-cutting blade 2 needs to be replaced, first start the second motor 421 to drive the sliding frame 312 to drive the adjusting plate 32 to slide out of the machine frame 1; then separate the limiting block 53 from the limiting groove on the adjusting plate 32; then rotate the adjusting plate 32 so that the end of the adjusting plate 32 with the die-cutting blade 2 rotates to the side away from the ground; then make the limiting block 53 engage with the limiting groove on the adjusting plate 32; then remove the die-cutting blade 2 from the adjusting plate 32.

[0056] Press the mounting block 65 against the adjusting plate 32, and let one end of the connecting block 66 away from the mounting block 65 pass through the second through-hole; one end of the display rod 81 away from the adjusting plate 32 will extend out of the fourth through-hole, and then rotate the second rotating shaft 91 to make the feedback rod 92 enter the feedback groove.

[0057] Then rotate the second adjusting shaft 753. The first bevel gear 751 on the second adjusting shaft 753 drives the second bevel gear 752 to rotate. The second bevel gear 752 drives the first adjusting shaft 73 to rotate. The adjusting gear 74 on the first adjusting shaft 73 drives the two adjusting racks 72 to move away from each other. The two adjusting racks 72 will drive the two reinforcing blocks 71 to move, so that the two reinforcing blocks 71 press against the side of the adjusting plate 32 away from the mounting block 65.

[0058] Then, according to the position where the die-cutting knife 2 needs to be installed, adjust the positions of the first positioning block 61 and the second positioning block 62; then press one side wall of the cutting knife against the first positioning block 61, and press the other side wall of the die-cutting knife 2 against the second positioning block 62. Then move the third positioning block 63 towards the first positioning block 61, and move the fourth positioning block 64 towards the second positioning block 62, so that the first positioning block 61, the second positioning block 62, the third positioning block 63 and the fourth positioning block 64 all press against the die-cutting knife 2; finally, connect the die-cutting knife 2 to the adjusting plate 32 through bolts.

[0059] The above are all the preferred embodiments of this application. It does not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape and principle of this application should be covered within the protection scope of this application.

Claims

1. An automatic die-cutting machine, comprising a frame (1) and a die-cutting knife (2), characterized in that, An adjustment device (3) is arranged inside the frame (1). The adjustment device (3) includes an adjustment frame (31), an adjustment plate (32) and an adjustment mechanism (4). The adjustment plate (32) is arranged on the adjustment frame (31), and the die-cutting knife (2) is connected to the adjustment plate (32) by bolts. The adjustment frame (31) is connected to the frame (1) through the adjustment mechanism (4), and the adjustment frame (31) can drive the adjustment plate (32) to move out of the frame (1). The adjustment frame (31) includes a fixed frame (311) and a sliding frame (312). The fixed frame (311) is arranged inside the frame (1), the sliding frame (312) is slidably arranged on the fixed frame (311), and the adjustment plate (32) is arranged on the sliding frame (312). The adjustment mechanism (4) includes a vertical driving component (41) and a horizontal driving component (42). The vertical driving component (41) is arranged on the frame (1) and is connected to the fixed frame (311). The horizontal driving component (42) is arranged on the fixed frame (311) and is connected to the sliding frame (312). A rotating mechanism (5) is arranged on the sliding frame (312). The rotating mechanism (5) includes an adjusting block (51), a first rotating shaft (52), a limiting block (53) and a dialing block (54). The adjusting block (51) is arranged on the sliding frame (312). A groove is formed in the adjusting block (51), and a first through hole communicating with the groove is formed in the adjusting block (51). The first rotating shaft (52) is rotatably arranged on the adjusting block (51), and the adjustment plate (32) is arranged on the first rotating shaft (52). A limiting groove is formed in the adjustment plate (32). The limiting block (53) is slidably arranged in the groove and is clamped with the limiting groove. The dialing block (54) is arranged on the limiting block (53), and one end of the dialing block (54) away from the limiting block (53) passes through the first through hole. A second through hole is formed in the adjustment plate (32). A positioning mechanism (6) is arranged on the adjustment plate (32). The positioning mechanism (6) includes a mounting block (65), a connecting block (66), a first positioning block (61), a second positioning block (62), a third positioning block (63), a fourth positioning block (64) and a second adjusting component (67). The mounting block (65) abuts against the adjustment plate (32). The connecting block (66) is arranged on the mounting block (65), and one end of the connecting block (66) away from the mounting block (65) passes through the second through hole. The first positioning block (61) is slidably arranged on the mounting block (65) through the second adjusting component (67). The second positioning block (62) is slidably arranged on the first positioning block (61) through the second adjusting component (67); the third positioning block (63) is slidably arranged on the second positioning block (62) through the second adjusting component (67); the fourth positioning block (64) is slidably arranged on the third positioning block (63) through the second adjusting component (67); and the first positioning block (61), the second positioning block (62), the third positioning block (63) and the fourth positioning block (64) all abut against the die-cutting knife (2).

2. The automatic die-cutting machine according to claim 1, wherein A first adjusting component (55) is arranged on the sliding frame (312). The first adjusting component (55) includes a first motor (551) and a first screw rod (552). A first sliding groove is formed in the sliding frame (312), and the adjusting block (51) is slidably arranged in the first sliding groove; The first screw rod (552) passes through the adjusting block (51) and is in threaded connection with the adjusting block (51); The first motor (551) is arranged on the sliding frame (312), and an output shaft thereof is connected to the first screw rod (552).

3. An automatic die-cutting machine according to claim 1, characterized in that, A first cavity is formed in the connecting block (66). Two third through holes communicating with the first cavity are formed in the connecting block (66), A second cavity (651) is formed in the mounting block (65), A reinforcing mechanism (7) is arranged on the mounting block (65). The reinforcing mechanism (7) includes a reinforcing block (71), an adjusting rack (72), a first adjusting shaft (73), an adjusting gear (74) and a third adjusting component (75), There are two reinforcing blocks (71). The two reinforcing blocks (71) are respectively slidably arranged in the two third through holes, and the two reinforcing blocks (71) both abut against the side of the adjusting plate (32) away from the mounting block (65); The adjusting racks (72) are arranged on one sides of the two reinforcing blocks (71) close to each other; The first adjusting shaft (73) is rotatably arranged on the connecting block (66). One end of the first adjusting shaft (73) is located in the second cavity (651) of the mounting block (65), and the other end is located in the first cavity; The adjusting gears (74) are arranged on one ends of the first adjusting shaft (73) located in the first cavity, and the two adjusting gears (74) are both meshed with the adjusting gear (74); The third adjusting component (75) is arranged on the mounting block (65), and the first adjusting shaft (73) located in the second cavity (651) is connected to the third adjusting component (75).

4. An automatic die-cutting machine according to claim 3, characterized in that, A fourth through hole is formed in the mounting block (65), and a sliding groove is formed in the side wall of the fourth through hole; A display mechanism (8) is arranged on the mounting block (65). The display mechanism (8) includes a display rod (81), a sliding plate (82) and a spring (83), The display rod (81) is slidably arranged in the fourth through hole. The sliding plate (82) is arranged on the display rod (81) and is located in the sliding groove; The spring (83) is sleeved on the display rod (81). One end of the spring (83) is connected to the side wall of the sliding groove and the other end is connected to the sliding plate (82).

5. An automatic die-cutting machine according to claim 4, characterized in that, A feedback assembly (9) is provided on the mounting block (65). The feedback assembly (9) includes a second rotating shaft (91) and a feedback rod (92). The second rotating shaft (91) is rotatably arranged on the mounting block (65). The feedback rod (92) is arranged on the second rotating shaft (91). A feedback groove for placing the feedback rod (92) is formed on the display rod (81).

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