Die cutting machine for digital label production

Abstract

The invention relates to the technical field of die-cutting machines, and discloses a die-cutting machine for digital label production, which comprises a die-cutting machine body, a movable mounting seat is arranged on the die-cutting machine body, a rotating seat is arranged on one side of the mounting seat, and two fixing clamps are fixed on the side surface of the rotating seat. The two fixing clamps are each provided with a cutter mounting unit, the two cutter mounting units are each provided with a cutter unit, and the two cutter units are arranged in an up-and-down opposite mode. According to the die-cutting tool, a traditional screw fixing mode is replaced, no extra tool is needed, operation is more convenient and efficient, in the downward moving process of the column body, the clamping block automatically adjusts the position and is clamped into the clamping groove, fixing is stable, the disassembly and assembly time is greatly shortened, the working efficiency is improved, and the die-cutting tool is suitable for popularization and application. And great convenience is brought to replacement and maintenance of the blade.

Description

Technical Field

[0001] The invention relates to the technical field of die-cutting machines, and in particular to a die-cutting machine for producing digital labels. Background Art

[0002] The die-cutting machine used in digital label production combines digital printing technology to accurately cut the digitally printed label material through a knife cutting method to form a label product of the required shape and size.

[0003] After searching, the Chinese patent with announcement number CN115338929A discloses a high-speed digital label die-cutting machine head and die-cutting equipment, including: a first position adjustment component; a second position adjustment component connected to the first position adjustment component; a plurality of cutting heads arranged in a modular manner, connected to the second position adjustment component, wherein one of the plurality of cutting heads is used as a reference origin, and the relative distances between the remaining cutting heads and the cutting heads on the reference origin are adjusted in sequence along the horizontal direction, and each cutting head includes a cutting knife, and the knife heads of two adjacent cutting knives are on the same horizontal line. The above scheme realizes synchronous cutting of multiple labels on the same horizontal line on digital label paper by setting multiple cutting heads, thereby improving cutting efficiency. In addition, the movements between the two adjacent cutting heads are independent of each other, and the distance between the two adjacent cutting heads is adjustable, thereby realizing equidistant or unequal distance cutting between two adjacent labels on the same horizontal line. However, the above scheme still has the following shortcomings when actually used: After long-term use, the cutter of the die-cutting machine will become blunt. When the cutter is blunt, the cutter cannot smoothly cut the paper of the digital label, so the staff needs to replace the cutter regularly. However, the die-cutting machine proposed in the above scheme does not have the function of quickly replacing the cutter. The cutter is usually fixed to the equipment with screws, and tools are required for disassembly and assembly when replacing. The operation is cumbersome and time-consuming. The lack of the function of quickly replacing the cutter results in the inability to quickly resume production when the cutter is blunt, which increases downtime and maintenance costs and reduces overall production efficiency.

[0004] Therefore, it is necessary to design a die-cutting machine for digital label production to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a die-cutting machine for producing digital labels.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A die-cutting machine for producing digital labels, comprising a die-cutting machine body, a movable mounting seat is arranged on the die-cutting machine body, a rotating seat is arranged on one side of the mounting seat, two fixing fixtures are fixed on the side of the rotating seat, a tool mounting unit is arranged on the two fixing fixtures, a tool unit is arranged on the two tool mounting units, the two tool units are arranged vertically opposite to each other, the mounting seat is connected to the rotating seat by an adjustment unit, the adjustment unit is used to control the turning of the rotating seat, and when the rotating seat is turned over, the positions of the two tool units are swapped; Among them, the tool mounting unit includes a fixed seat, a ring, two clamping components and a pop-up component, the fixed seat is arranged on a fixing fixture, the top surface of the fixed seat is provided with a mounting groove, the ring is fixedly sleeved on the bottom end of the fixed seat, the outer peripheral surface of the fixed seat is provided with two through openings, both of the through openings are connected with the mounting groove, a sliding plate is slidably arranged inside the mounting groove, the sliding plate is connected to the bottom of the mounting groove by a second spring, the two clamping components are both arranged on the fixed seat, the pop-up component is composed of a lifting structure, an air supply structure and a moving structure, the air supply structure is arranged in the mounting groove, the moving structure is arranged on the outer peripheral surface of the fixed seat, and the lifting structure is arranged on the ring.

[0007] As a preferred technical solution of the present invention, the clamping assembly includes a clamping block, a limit frame, a fixing frame, a fixing rod and a magnetic block, the clamping block is slidably arranged in the through opening, the limit frame is fixed to the outer peripheral surface of the fixing seat, and the limit frame is arranged opposite to the through opening, the clamping block slides in the limit frame, the limit frame is provided with two limit grooves, two limit blocks are fixed on the clamping block, and the two limit blocks slide in the two limit grooves respectively, the fixing frame is fixed to the side of the limit frame, one end of the fixing rod is fixedly connected to the clamping block, the other end of the fixing rod passes through the fixing frame and is slidably connected to the fixing frame, the fixing frame and the clamping block are connected by a first spring, the magnetic block is fixed to the end of the fixing rod away from the clamping block, and the clamping block is provided with an inclined surface.

[0008] As a preferred technical solution of the present invention, the tool unit includes a column, a tool holder, a top cap, a tool rod and a blade. The column is inserted in the mounting groove, and one end of the column extends to the outside of the mounting groove. Two card slots are provided on the column. The tool holder is fixed to the end of the column outside the mounting groove. The top cap is detachably arranged at the end of the tool holder away from the column. The tool rod is inserted in the tool holder, and the end of the tool rod extends to the outside of the tool holder and is fixedly connected to the blade.

[0009] As a preferred technical solution of the present invention, the movable structure includes a sliding ring, two connecting frames and two magnetic plates. The sliding ring is slidably mounted on a fixed seat. The two connecting frames are fixed on the outer circumference of the sliding ring, and the two connecting frames are arranged opposite to each other. The two magnetic plates are respectively fixed on the sides of the two connecting frames.

[0010] As a preferred technical solution of the present invention, the air supply structure includes a sealing cylinder, a sliding plug and a connecting rod. The sealing cylinder is fixed at the bottom of the mounting groove. The sliding plug is sealingly and slidingly connected inside the sealing cylinder. The sliding plug is connected to the inner bottom of the sealing cylinder through a third spring. One end of the connecting rod is fixedly connected to the sliding plug, and the other end extends to the outside of the sealing cylinder. An air inlet hole is provided on the sealing cylinder.

[0011] As a preferred technical solution of the present invention, the jacking structure includes a sealing cylinder 2, a sliding plug 2, a connecting rod 2, a connecting pipe and an air leakage hole. The sealing cylinder 2 is fixed on the ring, and the sliding plug 2 is sealingly and slidingly connected inside the sealing cylinder 2. The sliding plug 2 is connected to the inner bottom surface of the sealing cylinder 2 through a fourth spring. One end of the connecting rod 2 is fixedly connected to the sliding plug 2, and the other end of the connecting rod 2 extends to the outside of the sealing cylinder 2 and is fixedly connected to one of the connecting frames. One end of the connecting pipe is connected to the sealing cylinder 1, and the other end is connected to the sealing cylinder 2. A one-way valve is installed on the connecting pipe, and the air leakage hole is opened on the sealing cylinder 2.

[0012] As a preferred technical solution of the present invention, the adjusting unit includes an outer cylinder, an inner rod, a screw cap, a positioning ring, two positioning rods, two positioning holes and a push rod, the outer cylinder is rotatably mounted on the side of the mounting seat, the outer cylinder passes through the rotating seat and is fixedly connected to the rotating seat, the inner rod is slidably arranged in the outer cylinder, and one end of the inner rod extends to the outside of the outer cylinder, the inner rod and the outer cylinder are connected by a fifth spring, a key groove is provided on the inner surface of the outer cylinder, a spline is fixed on the inner rod, and the spline slides in the key groove, the screw cap is fixed to the end of the inner rod located outside the outer cylinder, the positioning ring is slidably arranged on the side of the mounting seat, the two positioning rods are fixed on the side of the positioning ring, the two positioning holes are provided on the rotating seat, and the two positioning rods are respectively arranged opposite to the two positioning holes, the positioning ring is connected to the mounting seat through a sixth spring, one end of the push rod is connected to the positioning ring, and the other end of the push rod extends toward the screw cap.

[0013] As a preferred technical solution of the present invention, the positioning ring and the outer cylinder are coaxially arranged.

[0014] As a preferred technical solution of the present invention, the cross-sections of the column and the mounting groove are both rectangular structures, and the side surfaces of the column fit closely with the groove walls of the mounting groove.

[0015] As a preferred technical solution of the present invention, a grinding assembly is provided on each of the top caps, and the grinding assembly includes a movable sleeve, two grinding blocks, two arc-shaped springs and a connecting spring, one end of the connecting spring is connected to the top cap, and the other end is connected to the movable sleeve, the two grinding blocks are arranged inside the movable sleeve, and the two grinding blocks are respectively located on both sides of the blade, the grinding block is connected to the movable sleeve through a sliding member, the two arc-shaped springs are arranged on the inner surface of the movable sleeve, and the two arc-shaped springs respectively resist the two grinding blocks, and the two grinding blocks are provided with a grinding surface adapted to the shape of the blade; Each of the sliding parts includes two fixed plates, two sliding grooves and two sliding openings. The two fixed plates are fixed on the inner surface of the movable sleeve, and the two fixed plates are respectively located on both sides of the grinding block. The two sliding openings are respectively opened on the two fixed plates. The two sliding blocks are fixed on the grinding block, and the two sliding blocks slide in the two sliding openings respectively.

[0016] The present invention has the following beneficial effects: 1. When installing the blade, the staff directly inserts the column into the installation slot and uses the clever cooperation between the card block and the card slot to achieve quick installation of the blade. When removing the blade, the staff only needs to continue to press the column downward. The advantage of this disassembly and assembly method is that it replaces the traditional screw fixing method, does not require additional tools, and is more convenient and efficient to operate. During the downward movement of the column, the card block automatically adjusts its position and snaps into the card slot, which not only fixes it firmly, but also greatly shortens the disassembly and assembly time, improves work efficiency, and brings great convenience to the replacement and maintenance of the blade; 2. The design of two tool units significantly reduces the downtime of the die-cutting machine body caused by replacing the blade, so as to quickly restore the normal working state of the die-cutting machine body and effectively ensure the working efficiency of the die-cutting machine body; 3. By pulling the movable sleeve up and down, the internal grinding block can be used to grind the blade edge, effectively restoring the sharpness of the blade. The design of the grinding block is ingenious. The limiting effect of the sliding openings and the slider on both sides ensures the stable movement of the grinding block, and the arc-shaped spring piece makes the grinding block always fit closely to the blade, ensuring the grinding effect. This grinding method is not only easy to operate, but also can significantly extend the service life of the blade, reduce the frequency of blade replacement, and improve work efficiency and cost-effectiveness; 4. When the column is ejected, the function of automatic reset and preparation for the next installation is achieved through the ingenious cooperation of the sliding plug, spring, one-way valve, connecting pipe and air vent. The sliding plug is reset and gas is extracted under the action of the third spring. The one-way valve ensures the one-way flow of gas, so that the gas in the sealing cylinder 2 can only be slowly leaked out through the air vent. Along with the gas leakage, the sliding plug 2 slowly moves downward under the elastic force of the fourth spring, driving the connecting frame and the magnetic block to move, and finally resetting the block to the installation groove, which is convenient for the rapid installation of the subsequent column. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of a die-cutting machine for producing digital labels proposed by the present invention; Figure 2 Schematic diagram of the structure of the mounting base, the rotating base, two tool mounting units and two tool units Figure 1 ; Figure 3 Schematic diagram of the structure of the mounting base, the rotating base, two tool mounting units and two tool units Figure 2 ; Figure 4 It is a structural schematic diagram of a tool installation unit and a tool unit; Figure 5 It is a schematic diagram of the cross-sectional structure of the tool installation unit and the tool unit; Figure 6 for Figure 5 A magnified view of the structure at A; Figure 7 is a schematic diagram of the structure of the tool unit; Figure 8 It is a structural schematic diagram of the tool installation unit; Fig. 9 for Figure 8 A magnified view of the structure at B; Fig.10 Based Figure 8 A magnified view of the structure at C; Fig.11 It is a structural schematic diagram when two magnetic plates are facing two magnetic blocks respectively; Fig.12 It is a schematic diagram of the structure of the grinding component; Fig.13 It is a structural diagram of the adjustment unit.

[0018] In the figure: 1, die-cutting machine body; 2, mounting seat; 3, rotating seat; 4, fixing fixture; 51, fixing seat; 52, mounting groove; 53, sleeve ring; 54, clamping block; 55, limiting frame; 56, fixing frame; 57, limiting groove; 58, limiting block; 59, fixing rod; 510, first spring; 511, magnetic block; 512, sliding plate; 513, second spring; 61, column; 62, clamping groove; 63, knife seat; 64, top cap; 65, knife rod; 66, blade; 71, sliding ring; 72, connecting frame; 73, magnetic plate; 74, sealing cylinder 1; 7 5. Sliding plug 1; 76. Connecting rod 1; 77. Third spring; 78. Sealing cylinder 2; 79. Sliding plug 2; 710. Connecting rod 2; 711. Fourth spring; 712. Connecting pipe; 713. One-way valve; 714. Air vent; 81. Outer cylinder; 82. Inner rod; 83. Fifth spring; 84. Screw cap; 85. Positioning ring; 86. Sixth spring; 87. Positioning rod; 88. Positioning hole; 89. Push rod; 91. Movable sleeve; 92. Grinding block; 93. Fixed plate; 94. Sliding mouth; 95. Sliding block; 96. Arc-shaped spring; 97. Connecting spring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] Reference Figure 1 - Fig.13 A die-cutting machine for producing digital labels, comprising a die-cutting machine body 1, a movable mounting seat 2 is arranged on the die-cutting machine body 1, a rotating seat 3 is arranged on one side of the mounting seat 2, two fixing fixtures 4 are fixed on the side of the rotating seat 3, and a tool mounting unit is arranged on the two fixing fixtures 4. The tool mounting unit comprises a fixing seat 51, a collar 53, two clamping components and a pop-up component. The fixing seat 51 is arranged on the fixing fixture 4, and a mounting groove 52 is provided on the top surface of the fixing seat 51. The collar 53 is fixedly sleeved on the bottom end of the fixing seat 51. Two through openings are provided on the outer peripheral surface of the fixing seat 51, and the two through openings are connected to the mounting groove 52. A sliding plate 512 (such as Figure 5 As shown in the figure, the sliding plate 512 is connected to the bottom of the installation groove 52 by a second spring 513. The two tool installation units are each provided with a tool unit, and the two tool units are arranged vertically opposite to each other. The tool unit includes a column 61, a tool seat 63, a top cap 64, a tool rod 65 and a blade 66. The column 61 is inserted into the installation groove 52, and one end of the column 61 extends to the outside of the installation groove 52. The cross-sections of the column 61 and the installation groove 52 are both rectangular structures, and the side of the column 61 fits with the groove wall of the installation groove 52. Two card slots 62 (as shown in the figure) are provided on the column 61. Figure 7As shown in the figure, the knife seat 63 is fixed to one end of the column 61 outside the mounting groove 52, the top cap 64 is detachably arranged at one end of the knife seat 63 away from the column 61, the knife rod 65 is inserted into the knife seat 63, the end of the knife rod 65 extends to the outside of the knife seat 63, and is fixedly connected to the blade 66; The blade 66 installation method realizes quick fixation by directly inserting the column 61 into the installation slot 52, replacing the traditional screw fixing method, greatly improving the convenience of operation. When the column 61 moves down, it first contacts the inclined surfaces of the two clamping blocks 54, squeezing the clamping blocks 54 to make them move away from each other. As the column 61 continues to move down, the clamping slot 62 moves to the position directly opposite the clamping block 54, and the clamping block 54 is clamped into the clamping slot 62 under the elastic force of the first spring 510, firmly fixing the column 61, thereby completing the installation of the blade 66. During this process, the limit frame 55, the limit slot 57 and the limit block 58 work together to ensure that the clamping block 54 moves stably and avoids deviation. When the clamping block 54 is clamped into the clamping slot 62, the staff can clearly feel the resistance, and can stop pressing down at this time, without the need for additional tools or complicated operations. This design not only simplifies the installation process, but also improves the installation accuracy and stability, effectively shortens the replacement time of the blade 66, and improves work efficiency. The mounting seat 2 is connected to the rotating seat 3 through an adjustment unit, and the adjustment unit is used to control the turning of the rotating seat 3. When the rotating seat 3 is turned over, the positions of the two tool units are swapped. The adjustment unit includes an outer cylinder 81, an inner rod 82, a screw cap 84, a positioning ring 85, two positioning rods 87, two positioning holes 88 and a push rod 89. The outer cylinder 81 is rotatably mounted on the side of the mounting seat 2, and the outer cylinder 81 passes through the rotating seat 3 and is fixedly connected to the rotating seat 3. The inner rod 82 is slidably arranged in the outer cylinder 81, and one end of the inner rod 82 extends to the outside of the outer cylinder 81. The inner rod 82 and the outer cylinder 81 are connected by a fifth spring 83 (such as Fig.13 As shown in the figure, a keyway is provided on the inner surface of the outer cylinder 81, a spline is fixed on the inner rod 82, and the spline slides in the keyway, a screw cap 84 is fixed on one end of the inner rod 82 located outside the outer cylinder 81, a positioning ring 85 is slidably arranged on the side of the mounting seat 2, and the positioning ring 85 and the outer cylinder 81 are coaxially arranged, two guide rods are fixed on the side of the mounting seat 2, two guide sleeves are fixed on the positioning ring 85, and the two guide sleeves are respectively slidably sleeved on the two guide rods to provide a limit for the positioning ring 85, two positioning rods 87 are fixed on the side of the positioning ring 85, two positioning holes 88 are provided on the rotating seat 3, and the two positioning rods 87 are respectively arranged opposite to the two positioning holes 88, the positioning ring 85 is connected to the mounting seat 2 through the sixth spring 86, one end of the push rod 89 is connected to the positioning ring 85, and the other end of the push rod 89 extends toward the screw cap 84; When the rotating seat 3 is turned over, the two positioning holes 88 will be rotated to the position facing the two positioning rods 87 again. Further, the staff loosens the screw cap 84 to reset the inner rod 82 under the elastic force of the fifth spring 83. When the inner rod 82 is reset, the screw cap 84 is reset accordingly, and the positioning ring 85 is also reset under the action of the sixth spring 86, so that the two positioning rods 87 can be reinserted into the two positioning holes 88 and provide positioning for the rotating seat 3 again to ensure the position stability of the rotating seat 3. After the turning over of the rotating seat 3 is completed, the tool unit located at the bottom (which has been used and worn) will rotate to the top, and the tool unit located at the top (which is not used) will rotate to the bottom and undertake the next die-cutting work; The two clamping assemblies are both arranged on the fixing seat 51, and the clamping assemblies include a clamping block 54, a limiting frame 55, a fixing frame 56, a fixing rod 59 and a magnetic block 511. The clamping block 54 is slidably arranged in the through opening, the limiting frame 55 is fixed to the outer peripheral surface of the fixing seat 51, and the limiting frame 55 is arranged opposite to the through opening, the clamping block 54 slides in the limiting frame 55, two limiting grooves 57 are provided on the limiting frame 55, two limiting blocks 58 are fixed on the clamping block 54, and the two limiting blocks 58 slide in the two limiting grooves 57 respectively, the fixing frame 56 is fixed to the side of the limiting frame 55, one end of the fixing rod 59 is fixedly connected to the clamping block 54, the other end of the fixing rod 59 passes through the fixing frame 56, and is slidably connected to the fixing frame 56, the fixing frame 56 and the clamping block 54 are connected by a first spring 510, the magnetic block 511 is fixed to one end of the fixing rod 59 away from the clamping block 54, and the clamping block 54 is provided with an inclined surface; The pop-up assembly is composed of a lifting structure, an air supply structure and a moving structure. The air supply structure is arranged in the mounting groove 52, the moving structure is arranged on the outer peripheral surface of the fixed seat 51, the lifting structure is arranged on the sleeve ring 53, and the moving structure includes a sliding ring 71, two connecting frames 72 and two magnetic plates 73. The sliding ring 71 is slidably sleeved on the fixed seat 51, and the two connecting frames 72 are fixed on the outer peripheral surface of the sliding ring 71, and the two connecting frames 72 are arranged opposite to each other. The two magnetic plates 73 are respectively fixed on the sides of the two connecting frames 72, and the air supply structure includes a sealing cylinder 74, a sliding plug 75 and a connecting rod 76 (such as Figure 5 As shown in the figure, a sealing cylinder 74 is fixed to the bottom of the mounting groove 52, a sliding plug 75 is sealingly and slidably connected inside the sealing cylinder 74, the sliding plug 75 is connected to the inner bottom of the sealing cylinder 74 through a third spring 77, one end of a connecting rod 76 is fixedly connected to the sliding plug 75, and the other end extends to the outside of the sealing cylinder 74, and an air inlet hole is opened on the sealing cylinder 74; The lifting structure includes a sealing cylinder 78, a sliding plug 79, a connecting rod 710, a connecting pipe 712 and a vent hole 714. The sealing cylinder 78 is fixed on the collar 53. The sliding plug 79 is sealingly and slidably connected inside the sealing cylinder 78. The sliding plug 79 is connected to the inner bottom surface of the sealing cylinder 78 through a fourth spring 711. One end of the connecting rod 710 is fixedly connected to the sliding plug 79. The other end of the connecting rod 710 extends to the outside of the sealing cylinder 78 and is fixedly connected to one of the connecting frames 72. The connecting pipe 712 (such as Fig. 9 One end of the connecting pipe 712 is connected to the sealing cylinder 1 74, and the other end is connected to the sealing cylinder 2 78. A one-way valve 713 is installed on the connecting pipe 712, and the air leakage hole 714 is provided on the sealing cylinder 2 78; The column 61 moves downward to drive the sliding plate 512, the connecting rod and the sliding plug (i.e., the connecting rod 1 76, the sliding plug 1 75, the sliding plug 2 79 and the connecting rod 2 710) and a series of other components to work in linkage, thereby realizing a quick separation mechanism between the column 61 and the fixed seat 51. When the column 61 moves downward, the sliding plate 512 squeezes the second spring 513 and presses down the connecting rod 1 76, so that the sliding plug 1 75 presses the gas in the sealing cylinder 1 74 into the sealing cylinder 2 78, pushing the sliding plug 2 79 and the connecting rod 2 710 to move upward, thereby lifting the connecting frame 72. During this process, the two connecting frames 72 and the sliding ring 71 move upward until the magnetic plate 73 and the magnetic block 511 face each other and attract each other, fixing the positions of the magnetic block 511 and the card block 54. When the staff releases the column 61, the column 61 quickly pops out of the mounting slot 52 under the elastic force of the second spring 513, thereby realizing quick separation from the fixed seat 51. Each top cap 64 is provided with a grinding assembly, which includes a movable sleeve 91, two grinding blocks 92, two arc-shaped springs 96 and a connecting spring 97, one end of which is connected to the top cap 64 (such as Figure 6 As shown, the other end is connected to the movable sleeve 91, and the two grinding blocks 92 are arranged inside the movable sleeve 91 (as shown Fig.12As shown in the figure, the two grinding blocks 92 are respectively located on both sides of the blade 66, and the grinding blocks 92 are connected to the movable sleeve 91 through a sliding member. The two arc-shaped spring pieces 96 are arranged on the inner surface of the movable sleeve 91, and the two arc-shaped spring pieces 96 respectively abut the two grinding blocks 92, and the two grinding blocks 92 are provided with grinding surfaces that are adapted to the shape of the blade 66; each sliding member includes two fixed plates 93, two sliding grooves and two sliding openings 94, the two fixed plates 93 are fixed on the inner surface of the movable sleeve 91, and the two fixed plates 93 are respectively located on both sides of the grinding blocks 92, the two sliding openings 94 are respectively opened on the two fixed plates 93, the two sliding blocks 95 are fixed on the grinding blocks 92, and the two sliding The blocks 95 slide in the two sliding openings 94 respectively. The grinding assembly on the top cap 64 of the tool unit provides an efficient solution for the maintenance of the blade 66. The staff can drive the two internal grinding blocks 92 to accurately grind the blade 66 by pulling the movable sleeve 91 up and down, effectively restoring the sharpness of the blade 66. The grinding block 92 is exquisitely designed, and the limiting effect of the sliding openings 94 on both sides and the slider 95 ensures its stable movement, while the arc-shaped spring piece 96 makes the grinding block 92 always fit closely to the surface of the blade 66, ensuring the consistency and quality of the grinding effect. This easy-to-operate grinding method not only extends the service life of the blade 66, reduces the replacement frequency, but also reduces the maintenance cost.

[0021] The specific working principle of the present invention is as follows: The die-cutting machine for digital label production proposed by the present invention has two tool units distributed up and down. The blade 66 in the lower tool unit performs the die-cutting work first. When the blade 66 needs to be replaced, the staff first presses the screw cap 84 to make the screw cap 84 drive the inner rod 82 to move, so that the inner rod 82 is retracted into the outer cylinder 81. The screw cap 84 can also push the push rod 89 to move while moving, so that the push rod 89 drives the positioning ring 85 to move. When the positioning ring 85 moves, the two positioning rods 87 thereon move accordingly until the two positioning rods 87 are respectively separated from the two positioning holes 88. Without the positioning function of the two positioning rods 87, the rotating seat 3 can rotate relative to the mounting seat 2. Then the staff keeps pressing the screw cap 84 and rotates the screw cap 84, so that the screw cap 84 drives the inner rod 82 to rotate. The inner rod 82 and the outer cylinder 81 are connected by splines and keys. The inner rod 82 is connected with the outer cylinder 81 when it rotates, so that the rotating seat 3 rotates accordingly, until the rotating seat 3 rotates 180°. When the rotating seat 3 completes the flipping, the two positioning holes 88 will rotate again to the position facing the two positioning rods 87. Further, the staff loosens the screw cap 84 to reset the inner rod 82 under the elastic force of the fifth spring 83. When the inner rod 82 is reset, the screw cap 84 is reset accordingly, and the positioning ring 85 is also reset under the action of the sixth spring 86, which enables the two positioning rods 87 to be reinserted into the two positioning holes 88 and provide positioning for the rotating seat 3 again to ensure the position stability of the rotating seat 3. After the flipping of the rotating seat 3 is completed, the tool unit located at the bottom (which has been used and worn) will rotate to the top, and the tool unit located at the top (unused) will rotate to the bottom and undertake the next die-cutting work. Next, the staff disassembles the worn tool unit located above. Specifically, during disassembly, the staff presses down the column 61 to move the column 61 downward. When the column 61 moves downward, it squeezes the inclined surfaces of the two blocks 54. When the blocks 54 are squeezed, the two blocks 54 will move away from each other. At the same time, when the column 61 moves downward, it will drive the sliding plate 512 to move downward, so that the sliding plate 512 continues to squeeze the second spring 513. As the sliding plate 512 continues to move downward, the sliding plate 512 will press down the connecting rod 1 76, so that the connecting rod 1 76 drives the sliding plug 1 75 to move downward. When the sliding plug 1 75 moves downward, the gas inside the sealing cylinder 1 74 can be pressed into the sealing cylinder 2 78 through the connecting pipe 712, so that the gas pushes the sliding plug 2 79 to move upward. When the sliding plug 2 79 moves upward, the connecting rod 2 710 will move upward accordingly and lift the corresponding connecting frame 72. In summary, when the sliding plug 1 During the downward movement of the two connecting frames 72 and the sliding ring 71, the two connecting frames 72 and the sliding ring 71 will move upward until the two magnetic plates 73 move to the positions facing the two magnetic blocks 511 respectively. In this state, the two magnetic plates 73 attract the two magnetic blocks 511 respectively, so that the two magnetic blocks 511 are adsorbed on the two magnetic plates 73 respectively. In this case, the positions of the two magnetic blocks 511 will be fixed, and the positions of the two clamping blocks 54 will also be fixed accordingly. Further, the staff releases the column 61. When the column 61 is released, the column 61 will quickly pop out from the mounting groove 52 under the elastic force of the second spring 513, so that the column 61 and the fixing seat 51 can be quickly separated. It should be noted that since the two magnetic blocks 511 are respectively adsorbed on the two magnetic plates 73, the two clamping blocks 54 will not reset under the action of the corresponding first springs 510, that is, the two clamping blocks 54 will not prevent the column 61 from being smoothly ejected. When the cylinder 61 is ejected, the slide plug 1 75 will be reset under the action of the third spring 77, and the gas will be extracted through the air inlet hole, while the one-way valve 713 installed on the connecting pipe 712 restricts the gas from entering the sealing cylinder 2 78 from the sealing cylinder 1 74, and cannot flow back to the sealing cylinder 1 74 through the sealing cylinder 2 78. Therefore, the gas inside the sealing cylinder 2 78 can only be slowly leaked out through the air leakage hole 714. With the slow leakage of gas, the slide plug 2 79 will slowly move down under the elastic force of the fourth spring 711, which makes the The two connecting frames 72 are slowly moved downward. When the two magnetic blocks 511 are staggered with the two magnetic blocks 511 respectively, the two magnetic blocks 511 are reset under the elastic force of the corresponding first springs 510, so that the two clamping blocks 54 are extended into the installation groove 52 again, so as to facilitate the subsequent installation of the column 61. It is worth noting that when the sliding plug 1 75 moves downward, the gas flow rate entering the sealing cylinder 2 78 is much greater than the gas leakage speed through the gas leakage hole 714, so that the sliding plug 2 79 can move upward smoothly. Based on the above process, the staff can realize the rapid disassembly of the knife holder 63 by pressing the column 61. When the knife holder 63 is disassembled, the staff can resume the operation of the die-cutting machine body 1 and disassemble the blade 66 in the knife holder 63 while the die-cutting machine body 1 is running. Therefore, through the design of two tool units, the downtime of the die-cutting machine body 1 delayed by replacing the blade 66 can be greatly shortened, and the operation of the die-cutting machine body 1 can be quickly resumed to ensure the working efficiency of the die-cutting machine body 1. The disassembly and assembly method between the knife holder 63 and the knife rod 65 is a prior art, which is not shown in the figure and will not be described in detail here. When installing a new blade 66, the staff directly inserts the column 61 into the installation groove 52. During the downward movement of the column 61, the column 61 will first contact the inclined surfaces of the two clamping blocks 54. When the two clamping blocks 54 are squeezed by the column 61, the two clamping blocks 54 will move and move away from each other. As the column 61 continues to move downward, the two clamping grooves 62 will move to a position facing the two clamping blocks 54. At this time, the two clamping blocks 54 will be clamped into the two clamping grooves 62 under the elastic force of the corresponding first spring 510, and fix the column 61, thereby achieving For the quick installation of the blade 66, this installation method replaces the traditional screw fixing method, can realize the quick installation of the blade 66, and is easy to operate. It should be noted that during the movement of the block 54, the limit frame 55, the two limit grooves 57 and the two limit blocks 58 provide limit for the block 54 to ensure the stability of the block 54. In addition, when the two blocks 54 are respectively inserted into the two slots 62, the staff can feel the resistance exerted on the column 61 by the two blocks 54, and the staff can stop pressing the column 61 at this time; For the tool unit, a grinding component is also provided on the top cap 64, and the staff can use the grinding component to grind the blade 66 to restore the sharpness of the blade 66. Specifically, the staff can pull the movable sleeve 91 up and down. When the two movable sleeves 91 move up and down, the two grinding blocks 92 inside them will move accordingly. The two grinding blocks 92 can jointly grind the cutting edge position of the blade 66 during the up and down movement. For the grinding block 92, the two sliding openings 94 and two sliding blocks 95 on both sides thereof provide limit positions for the grinding block 92, and the arc-shaped spring piece 96 enables the grinding block 92 to always fit the blade 66 to ensure the grinding effect of the blade 66. Therefore, the staff can grind the blade 66 by pulling the movable sleeve 91 up and down to extend the service life of the blade 66.

[0022] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A die-cutting machine for producing digital labels, characterized in that: The die-cutting machine body (1) comprises a movable mounting seat (2) disposed on the die-cutting machine body (1), a rotating seat (3) disposed on one side of the mounting seat (2), two fixing fixtures (4) fixed on the side of the rotating seat (3), both fixing fixtures (4) being provided with a tool mounting unit, both tool mounting units being provided with a tool unit, the two tool units being arranged vertically opposite to each other, the mounting seat (2) being connected to the rotating seat (3) via an adjustment unit, the adjustment unit being used to control the turning of the rotating seat (3), and when the rotating seat (3) is turned over, the positions of the two tool units are swapped; The tool mounting unit comprises a fixed seat (51), a collar (53), two clamping assemblies and a pop-up assembly; the fixed seat (51) is arranged on a fixing fixture (4); a mounting groove (52) is provided on the top surface of the fixed seat (51); the collar (53) is fixedly sleeved on the bottom end of the fixed seat (51); two through openings are provided on the outer peripheral surface of the fixed seat (51); both through openings are communicated with the mounting groove (52); a sliding plate (512) is slidably arranged inside the mounting groove (52); the sliding plate (512) is connected to the bottom of the mounting groove (52) via a second spring (513); the two clamping assemblies are arranged on the fixed seat (51); the pop-up assembly consists of a lifting structure, an air supply structure and a moving structure; the air supply structure is arranged in the mounting groove (52); the moving structure is arranged on the outer peripheral surface of the fixed seat (51); and the lifting structure is arranged on the collar (53).

2. A die-cutting machine for producing digital labels according to claim 1, characterized in that: The clamping assembly comprises a clamping block (54), a limiting frame (55), a fixing frame (56), a fixing rod (59) and a magnetic block (511); the clamping block (54) is slidably arranged in the through opening; the limiting frame (55) is fixed to the outer peripheral surface of the fixing seat (51), and the limiting frame (55) is arranged opposite to the through opening; the clamping block (54) slides in the limiting frame (55); the limiting frame (55) is provided with two limiting grooves (57); the clamping block (54) is fixed with two limiting blocks (58); the two limiting blocks (58) are respectively Sliding in the two limiting grooves (57), the fixing frame (56) is fixed to the side of the limiting frame (55), one end of the fixing rod (59) is fixedly connected to the clamping block (54), the other end of the fixing rod (59) passes through the fixing frame (56) and is slidably connected to the fixing frame (56), the fixing frame (56) and the clamping block (54) are connected via a first spring (510), the magnetic block (511) is fixed to one end of the fixing rod (59) away from the clamping block (54), and the clamping block (54) is provided with an inclined surface.

3. A die-cutting machine for producing digital labels according to claim 2, characterized in that: The tool unit comprises a column (61), a tool seat (63), a top cap (64), a tool rod (65) and a blade (66); the column (61) is inserted into the installation slot (52), and one end of the column (61) extends to the outside of the installation slot (52); two slots (62) are provided on the column (61); the tool seat (63) is fixed to one end of the column (61) located outside the installation slot (52); the top cap (64) is detachably arranged at one end of the tool seat (63) away from the column (61); the tool rod (65) is inserted into the tool seat (63); the end of the tool rod (65) extends to the outside of the tool seat (63) and is fixedly connected to the blade (66).

4. A die-cutting machine for producing digital labels according to claim 1, characterized in that: The movable structure comprises a sliding ring (71), two connecting frames (72) and two magnetic plates (73); the sliding ring (71) is slidably sleeved on a fixed seat (51); the two connecting frames (72) are both fixed to the outer peripheral surface of the sliding ring (71), and the two connecting frames (72) are arranged opposite to each other; and the two magnetic plates (73) are respectively fixed to the side surfaces of the two connecting frames (72).

5. A die-cutting machine for producing digital labels according to claim 4, characterized in that: The air supply structure comprises a sealing cylinder (74), a sliding plug (75) and a connecting rod (76); the sealing cylinder (74) is fixed to the bottom of the mounting groove (52); the sliding plug (75) is sealingly and slidably connected inside the sealing cylinder (74); the sliding plug (75) is connected to the inner bottom of the sealing cylinder (74) via a third spring (77); one end of the connecting rod (76) is fixedly connected to the sliding plug (75) and the other end extends to the outside of the sealing cylinder (74); and an air inlet hole is provided on the sealing cylinder (74).

6. A die-cutting machine for producing digital labels according to claim 5, characterized in that: The lifting structure comprises a sealing cylinder (78), a sliding plug (79), a connecting rod (710), a connecting pipe (712) and a bleed hole (714). The sealing cylinder (78) is fixed on the sleeve (53). The sliding plug (79) is sealingly and slidably connected inside the sealing cylinder (78). The sliding plug (79) is connected to the inner bottom surface of the sealing cylinder (78) via a fourth spring (711). One end of the connecting rod (710) is fixedly connected to the sliding plug (79). The other end of the connecting rod (710) extends to the outside of the sealing cylinder (78) and is fixedly connected to one of the connecting frames (72). One end of the connecting pipe (712) is connected to the sealing cylinder (74) and the other end is connected to the sealing cylinder (78). A one-way valve (713) is installed on the connecting pipe (712). The bleed hole (714) is provided on the sealing cylinder (78).

7. A die-cutting machine for producing digital labels according to claim 1, characterized in that: The adjusting unit comprises an outer cylinder (81), an inner rod (82), a screw cap (84), a positioning ring (85), two positioning rods (87), two positioning holes (88) and a push rod (89); the outer cylinder (81) is rotatably mounted on a side surface of the mounting seat (2); the outer cylinder (81) passes through the rotating seat (3) and is fixedly connected to the rotating seat (3); the inner rod (82) is slidably arranged in the outer cylinder (81), and one end of the inner rod (82) extends to the outside of the outer cylinder (81); the inner rod (82) and the outer cylinder (81) are connected via a fifth spring (83); a key groove is provided on the inner surface of the outer cylinder (81); and the inner rod (82) is provided with a key groove. A spline is fixed thereto, and the spline slides in the keyway, the screw cap (84) is fixed to one end of the inner rod (82) located outside the outer cylinder (81), the positioning ring (85) is slidably arranged on the side of the mounting seat (2), the two positioning rods (87) are fixed to the side of the positioning ring (85), the two positioning holes (88) are opened on the rotating seat (3), and the two positioning rods (87) are respectively arranged opposite to the two positioning holes (88), the positioning ring (85) is connected to the mounting seat (2) through a sixth spring (86), one end of the push rod (89) is connected to the positioning ring (85), and the other end of the push rod (89) extends toward the screw cap (84).

8. A die-cutting machine for producing digital labels according to claim 7, characterized in that: The positioning ring (85) and the outer cylinder (81) are coaxially arranged.

9. A die-cutting machine for producing digital labels according to claim 3, characterized in that: The cross-sections of the column (61) and the mounting groove (52) are both rectangular structures, and the side surface of the column (61) fits closely with the groove wall of the mounting groove (52).

10. A die-cutting machine for producing digital labels according to any one of claim 3, characterized in that: Each of the top caps (64) is provided with a grinding assembly, the grinding assembly comprising a movable sleeve (91), two grinding blocks (92), two arc-shaped spring sheets (96) and a connecting spring (97), one end of the connecting spring (97) is connected to the top cap (64), and the other end is connected to the movable sleeve (91), the two grinding blocks (92) are arranged inside the movable sleeve (91), and the two grinding blocks (92) are respectively located on both sides of the blade (66), the grinding blocks (92) are connected to the movable sleeve (91) through a sliding member, the two arc-shaped spring sheets (96) are arranged on the inner surface of the movable sleeve (91), and the two arc-shaped spring sheets (96) respectively abut against the two grinding blocks (92), and the two grinding blocks (92) are provided with grinding surfaces that match the outer shape of the blade (66); Each of the sliding members comprises two fixed plates (93), two sliding grooves and two sliding openings (94); the two fixed plates (93) are fixed on the inner surface of the movable sleeve (91), and the two fixed plates (93) are respectively located on both sides of the grinding block (92); the two sliding openings (94) are respectively opened on the two fixed plates (93); the two sliding blocks (95) are fixed on the grinding block (92), and the two sliding blocks (95) slide in the two sliding openings (94) respectively.

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