A reciprocating cutting device for thermal paper production

Abstract

The application provides a reciprocating cutting equipment for thermal paper production, which comprises a processing table and supporting legs fixedly installed at four corners of the bottom of the processing table, both sides of the processing table are provided with side frames, the top of two groups of the side frames are fixedly and jointly provided with a top frame, and the equipment further comprises a slitting and cutting double-end driving mechanism, a dynamically adjustable slitting mechanism and a cutting mechanism with adjustable cutting interval; the slitting and cutting double-end driving mechanism is arranged at the bottom of the top frame and is used for providing downward power to the dynamically adjustable slitting mechanism and the cutting mechanism with adjustable cutting interval to realize slitting and cutting work. The application can flexibly adjust the slitting knife interval without frequent replacement of the knife, can conveniently adapt to the cutting demand of thermal paper with different length specifications, and solves the problems of fixed slitting interval, complex cutting position adjustment, frequent replacement of the knife or debugging and low production efficiency of the existing thermal paper cutting equipment.

Description

Technical Field

[0001] This invention relates to the field of cutting equipment technology, and more particularly to a reciprocating cutting device for thermal paper production. Background Technology

[0002] Thermal paper, with its characteristic of developing color when heated, is widely used in cash receipts, express delivery slips, medical record paper and other fields. In the production process of thermal paper, slitting and cutting are extremely critical processes, which directly affect the quality of the finished product and its subsequent use.

[0003] Currently, the reciprocating cutting equipment used in the production of thermal paper mostly relies on slitting blades with fixed spacing in the slitting process. However, since different application scenarios have significantly different requirements for the width of thermal paper, this fixed spacing slitting method is difficult to flexibly adapt to diverse production needs and often requires frequent replacement of slitting blades. This not only consumes a lot of time but also increases production costs.

[0004] In terms of cutting, the cutting position adjustment of existing equipment is not convenient and precise enough; for the production of thermal paper of different lengths and specifications, it is usually necessary to make complex parameter adjustments or even structural modifications to the equipment, which greatly reduces the flexibility and efficiency of production. Summary of the Invention

[0005] To address the shortcomings of existing technologies, the present invention aims to provide a reciprocating cutting device for thermal paper production. This device can flexibly adjust the slitting blade spacing without frequent blade replacements and can easily adapt to the cutting needs of thermal paper of different lengths and specifications. This solves the problems of fixed slitting spacing, complex cutting position adjustment, and low production efficiency caused by frequent blade replacements or adjustments required by existing thermal paper cutting equipment.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solution: a reciprocating cutting device for producing thermal paper, including a processing table and support legs fixedly installed at the four corners of the bottom of the processing table. Side frames are provided on both sides of the processing table, and a top frame is fixedly installed on the top of the two sets of side frames. The device also includes a double-end driving mechanism for slitting and cutting, a dynamically adjustable slitting mechanism, and a cutting interval adjustable cutting mechanism.

[0007] The slitting and cutting dual-end drive mechanism is located at the bottom of the top frame and is used to provide downward pressure to the dynamically adjustable slitting mechanism and the adjustable cutting spacing mechanism to realize slitting and cutting work.

[0008] The dynamically adjustable slitting mechanism is located on one side of the bottom of the top frame and is used to slit the thermal paper with adjustable spacing.

[0009] The adjustable cutting spacing mechanism is located on the other side of the bottom of the top frame and is used to cut the thermal paper.

[0010] Further, the slitting and cutting double-end driving mechanism comprises a mounting frame, a limiting frame, a first cylinder, a second cylinder, a guide pressing block one and a guide pressing block two, the mounting frame is detachably mounted at the bottom of the top frame through bolts, the limiting frame is fixedly installed at the bottom of the mounting frame, the guide pressing block one is slidingly installed at one side of the bottom of the limiting frame, the guide pressing block two is slidingly installed at the other side of the bottom of the limiting frame, the first cylinder is fixedly installed at the side of the limiting frame close to the guide pressing block one, and the output end of the first cylinder is fixedly connected with a sliding rod one penetrating through the limiting frame, the second cylinder is fixedly connected at the side of the limiting frame close to the guide pressing block two, and the output end penetrates through the limiting frame and is fixedly connected with a sliding rod two, and the interiors of the guide pressing block one and the guide pressing block two are both provided with lifting grooves.

[0011] Further, the interval dynamically adjustable slitting mechanism comprises an automatic driving assembly, a slitting pressing frame, a stable frame, slitting arms, a fixed block, a slitting cutter and a shearing type cross frame, the automatic driving assembly is arranged at one side of the stable frame and is used to drive one side slitting arm to move horizontally, the slitting pressing frame is fixedly installed at the bottom of the guide pressing block one, the stable frame is fixedly installed at the bottom of the slitting pressing frame, the slitting arms are provided with seven groups and are arranged horizontally, the top of the fixed block is fixedly connected with the bottom of the slitting pressing frame, the bottom of the fixed block is fixedly connected with the middle slitting arm, the shearing type cross frame is composed of a plurality of link units arranged in a shearing type cross mode, the link units are sequentially connected through hinge shafts to form the shearing type cross frame, the slitting arms and the link units of the shearing type cross frame are movably connected through pivots, and in addition to the middle slitting arm constrained by the fixed block, the remaining slitting arms can move to both sides along the extension or contraction direction of the shearing type cross frame, and the slitting cutter is fixedly connected at the back side of the slitting arm.

[0012] Further, the automatic driving assembly comprises an electric push rod and a mounting plate, the mounting plate is fixedly installed at one side of the stable frame, the electric push rod is fixedly installed at the side of the mounting plate away from the slitting arm, and the output end of the electric push rod is fixedly installed with the slitting arm close to the side of the mounting plate.

[0013] Further, the cutting mechanism with adjustable cutting interval comprises an adjusting rail, a mounting base frame, a servo motor, a lead screw, a support shaft frame, a cutting frame and a cutting cutter, the adjusting rail is fixedly installed at the bottom of the guide pressing block two, the mounting base frame is fixedly connected at the bottom of the guide pressing block two, the servo motor is fixedly connected at the side of the mounting base frame close to the guide pressing block two, the output end of the servo motor penetrates through the mounting base frame and is fixedly connected with the lead screw, the support shaft frame is fixedly connected at the bottom of the adjusting rail away from the mounting base frame, one end of the lead screw away from the servo motor is rotatably matched with the support shaft frame, the cutting cutter is fixedly connected at the bottom of the cutting frame, the cutting frame is slidingly installed at the bottom of the adjusting rail and is threadedly connected with the lead screw.

[0014] Further, the two sides of the top of the processing table are slidably installed with slitting guide frames located on both sides of the slitting pressure frame, the two sides of the slitting pressure frame are fixedly connected with the first guide sliding block in sliding fit with the slitting guide frame, the two sides of the top of the processing table are slidably installed with cutting guide frames located on both sides of the cutting frame, the two sides of the cutting frame are fixedly connected with the second guide sliding block in sliding fit with the cutting guide frame, the bottom of the side of the cutting guide frame close to each other is fixedly connected with the cutting base in fit for use with the cutting knife, and the bottom of the slitting guide frame and the cutting guide frame is threadedly connected with the locking bolt.

[0015] Further, the two sides of the guide pressure block one and the guide pressure block two are fixedly installed with the limiting sliding strip, the inner wall of the mounting frame is provided with the limiting sliding groove in sliding fit with the limiting sliding strip, the bottom of the limiting frame on the side between the guide pressure block one and the guide pressure block two is fixedly connected with the rear support frame, the bottom of the limiting frame is fixedly connected with the front support frame on the side of the rear support frame, and the bottom of the rear support frame is fixedly connected with the bottom bracket.

[0016] Further, the top of the guide pressure block one and the guide pressure block two is provided with the installation groove, the bottom of the inner wall of the installation groove is fixedly connected with the tension spring, the top of the tension spring is fixedly connected with the top of the limiting frame, and the tension spring is used for lifting the guide pressure block one and the guide pressure block two.

[0017] Further, the inside of the stable frame is fixedly connected with the limiting sliding frame on the side of the slitting arm, and the side close to the limiting sliding frame of the plurality of groups of slitting arms is provided with the guide sliding groove in sliding fit with the limiting sliding frame.

[0018] The beneficial effects of the present application are as follows: by setting the unwinding roller and the tension adjusting mechanism of the winding and unwinding equipment, the shear type cross frame and the electric push rod of the interval dynamic adjustable slitting mechanism, the servo motor and the screw rod of the cutting interval adjustable cutting mechanism, and the limiting sliding strip, the tension spring and the support frame of the slitting and cutting double-end driving mechanism, the slitting knife interval can be flexibly adjusted, the cutting position can be adjusted, different width and length specifications of the heat-sensitive paper production requirements can be adapted without frequent knife replacement or complex debugging. BRIEF DESCRIPTION OF DRAWINGS

[0019] Other characteristics, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, made with reference to the attached drawings:

[0020] Figure 1 The structural schematic diagram of the present application;

[0021] Figure 2 for Figure 1 the rear side perspective structure schematic view of the present application;

[0022] Figure 3 for Figure 2 the enlarged view of A in the figure;

[0023] Figure 4 for the mounting frame half-section exploded perspective structure schematic view of the present application;

[0024] Figure 5 for the cutting frame exploded structure schematic view of the present application;

[0025] Figure 6 for Figure 5 the enlarged view of B in the figure;

[0026] Figure 7 for the bottom view perspective structure schematic view of the guiding pressure block one and the guiding pressure block two of the present application;

[0027] Figure 8 for the top view perspective structure schematic view of the guiding pressure block one and the guiding pressure block two of the present application;

[0028] Figure 9 for the rear view perspective structure schematic view of the slitting arm of the present application;

[0029] Figure 10 for the shearing cross frame structure schematic view of the present application.

[0030] In the figure: 1, processing table; 101, support leg; 2, side frame; 3, top frame; 4, mounting frame; 41, limiting frame; 411, rear support frame; 412, front support frame; 413, bottom bracket; 5, slitting pressure frame; 51, first air cylinder; 511, sliding rod one; 52, stabilizing frame; 53, slitting arm; 54, electric push rod; 541, mounting plate; 55, limiting sliding frame; 56, fixed block; 57, slitting knife; 58, shearing cross frame; 59, guiding pressure block one; 6, cutting frame; 61, second air cylinder; 611, sliding rod two; 62, adjusting rail; 63, guiding pressure block two; 64, mounting bottom frame; 65, servo motor; 66, lead screw; 67, support shaft frame; 68, cutting knife; 7, mounting groove; 71, tension spring; 72, limiting sliding strip; 73, limiting sliding groove; 8, locking bolt; 501, slitting guiding frame; 502, first guiding sliding block; 601, cutting guiding frame; 602, second guiding sliding block; 603, cutting base. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in combination with specific embodiments.

[0032] Please see Figure 1 , Figure 1 This is a schematic diagram of the structure of the present invention.

[0033] A reciprocating cutting device for producing thermal paper includes a processing table 1 and support legs 101 fixedly installed at the four corners of the bottom of the processing table 1. Side frames 2 are provided on both sides of the processing table 1, and a top frame 3 is fixedly installed on the top of the two sets of side frames 2. It also includes a double-end drive mechanism for slitting and cutting, a dynamically adjustable slitting mechanism, and a cutting mechanism with adjustable cutting interval.

[0034] Please see Figures 2 to 10 , Figure 2 for Figure 1 A schematic diagram of the rear three-dimensional structure; Figure 3 for Figure 2 Enlarged view of A in the middle; Figure 4 This is a half-section exploded three-dimensional structural diagram of the mounting bracket of the present invention; Figure 5 This is a schematic diagram of the exploded structure of the cutting frame of the present invention; Figure 6 for Figure 5 Enlarged view of B in the middle; Figure 7 This is a bottom-view perspective view of the guide block one and guide block two of the present invention. Figure 8 This is a top-view three-dimensional structural diagram of the guide block one and guide block two of the present invention; Figure 9 This is a rear-view three-dimensional structural diagram of the slitting arm of the present invention; Figure 10 This is a schematic diagram of the shear-type cross rack structure of the present invention.

[0035] The slitting and cutting dual-end drive mechanism is located at the bottom of the top frame 3 and provides downward pressure to the dynamically adjustable slitting mechanism and the adjustable cutting interval cutting mechanism to achieve slitting and cutting operations. The slitting and cutting dual-end drive mechanism includes a mounting frame 4, a limiting frame 41, a first cylinder 51, a second cylinder 61, a guide block 1 59, and a guide block 2 63. The mounting frame 4 is detachably mounted on the bottom of the top frame 3 by bolts. The limiting frame 41 is fixedly mounted to the bottom of the mounting frame 4. The guide block 1 59 is slidably mounted on the limiting frame. On one side of the bottom of 41, guide block 2 63 is slidably installed on the other side of the bottom of limit frame 41. First cylinder 51 is fixedly installed on the side of limit frame 41 near guide block 1 59, and the output end of first cylinder 51 passes through limit frame 41 and is fixedly connected to slide rod 1 511. Second cylinder 61 is fixedly connected on the side of limit frame 41 near guide block 2 63, and the output end passes through limit frame 41 and is fixedly connected to slide rod 2 611. Both guide block 1 59 and guide block 2 63 have lifting grooves inside.

[0036] The mounting frame 4 can be installed in the direction of the limiting frame 41 on the bottom by assembling and disassembling with the top frame 3, which is more convenient when the layout of the assembly line is modified. Meanwhile, the limiting frame 41 can limit the guiding pressure block one 59 and the guiding pressure block two 63 by being fixed with the mounting frame 4. When the guiding pressure block one 59 and the guiding pressure block two 63 need to be driven up and down, the first cylinder 51 can be driven to drive the slide rod one 511 to shrink to the side away from the second cylinder 61, and then the guiding pressure block one 59 is moved downward through the lifting groove of the guiding pressure block one 59. Meanwhile, the second cylinder 61 can be started to drive the slide rod two 611 to shrink to the side away from the first cylinder 51, and the guiding pressure block two 63 is moved downward by being extruded through the lifting groove of the guiding pressure block two 63.

[0037] The interval dynamically adjustable slitting mechanism is arranged on one side of the bottom of the top frame 3 and is used for slitting the thermal paper with adjustable interval. The interval dynamically adjustable slitting mechanism comprises an automatic driving assembly, a slitting pressure frame 5, a stable frame 52, a slitting arm 53, a fixed block 56, a slitting knife 57 and a shearing type cross frame 58. The automatic driving assembly is arranged on one side of the stable frame 52 and is used for driving the slitting arm 53 on one side to move horizontally. The slitting pressure frame 5 is fixedly installed on the bottom of the guiding pressure block one 59. The stable frame 52 is fixedly installed on the bottom of the slitting pressure frame 5. The slitting arm 53 is provided with seven groups and is arranged horizontally. The top of the fixed block 56 is fixedly connected with the bottom of the slitting pressure frame 5. The bottom of the fixed block 56 is fixedly connected with the middle slitting arm 53. The shearing type cross frame 58 is composed of a plurality of link units arranged in a shearing type cross. The link units are connected in sequence through hinge shafts to form the shearing type cross frame 58. The slitting arm 53 is movably connected with the link units of the shearing type cross frame 58 through a rotating shaft. Except the middle slitting arm 53 constrained by the fixed block 56, the remaining slitting arms 53 can move to both sides along the extension or contraction direction of the shearing type cross frame 58. The slitting knife 57 is fixedly connected to the rear side of the slitting arm 53.

[0038] The automatic driving assembly can drive the slitting arm 53 on one side to move horizontally, so that the slitting arm 53 on one side makes the shearing type cross frame 58 expand or contract. If the shearing type cross frame 58 expands, the middle slitting arm 53 constrained by the fixed block 56 is stationary, and the link units of the shearing type cross frame 58 on both sides rotate and expand around the hinge shafts, driving the slitting arms 53 on both sides to extend outward, thereby expanding the slitting range. If the shearing type cross frame 58 contracts, the slitting arms 53 on both sides move towards the middle, thereby narrowing the slitting interval. In this way, the width of the slitting can be automatically adjusted. The stable frame 52 can limit the plurality of slitting arms 53. The slitting pressure frame 5 can move downward with the guiding pressure block one 59. After the slitting pressure frame 5 moves downward, it can drive the slitting arms 53 and the slitting knife 57 to move downward to contact the thermal paper for slitting operation.

[0039] The automatic driving assembly comprises an electric push rod 54 and a mounting plate 541 fixedly mounted on one side of the stable frame 52, the electric push rod 54 is fixedly mounted on the side of the mounting plate 541 away from the slitting arm 53, and the output end of the electric push rod 54 is fixedly mounted on the slitting arm 53 close to the side of the mounting plate 541; the mounting plate 541 can fix the electric push rod 54 on one side of the stable frame 52, and can drive the slitting arm 53 on one side to move horizontally after the electric push rod 54 is driven.

[0040] The cutting mechanism with adjustable cutting interval is arranged on the other side of the bottom of the top frame 3 and is used for cutting the thermal paper; the cutting mechanism with adjustable cutting interval comprises an adjusting rail 62, a mounting base 64, a servo motor 65, a lead screw 66, a support shaft frame 67, a cutting-off frame 6 and a cutting-off cutter 68, the adjusting rail 62 is fixedly mounted on the bottom of the guide block two 63, the mounting base 64 is fixedly connected to the bottom of the guide block two 63, the servo motor 65 is fixedly connected to the side of the mounting base 64 close to the guide block two 63, the output end of the servo motor 65 penetrates through the mounting base 64 and is fixedly connected with the lead screw 66, the support shaft frame 67 is fixedly connected to the bottom of the adjusting rail 62 away from the mounting base 64, the end of the lead screw 66 away from the servo motor 65 is rotationally matched with the support shaft frame 67, the cutting-off cutter 68 is fixedly connected to the bottom of the cutting-off frame 6, and the cutting-off frame 6 is slidingly mounted on the bottom of the adjusting rail 62 and is threadedly connected with the lead screw 66.

[0041] The adjusting rail 62 is downwardly moved by the guide block two 63 through the fixing of the guide block two 63, and is driven to follow the downward movement, and the servo motor 65 can be started to drive the lead screw 66 to rotate according to the cutting requirement, so that the cutting-off frame 6 threadedly connected with the lead screw 66 is transversely moved on the adjusting rail 62, the cutting-off frame 6 is moved to the required cutting position, then the guide block two 63 is downwardly moved by starting the second cylinder 61 in cooperation with the slide rod two 611, the guide block two 63 drives the adjusting rail 62 fixedly connected thereto to move downward, and then the cutting-off frame 6 and the cutting-off cutter 68 are downwardly moved by the adjusting rail 62, and the thermal paper can be cut by the cutting-off cutter 68.

[0042] The two sides of the top of the processing table 1 are slidably installed with the slitting guide frame 501 located on both sides of the slitting pressure frame 5, and the two sides of the slitting pressure frame 5 are fixedly connected with the first guide sliding block 502 in sliding fit with the slitting guide frame 501, the two sides of the top of the processing table 1 are slidably installed with the cutting guide frame 601 located on both sides of the cutting frame 6, and the two sides of the cutting frame 6 are fixedly connected with the second guide sliding block 602 in sliding fit with the cutting guide frame 601, and the bottom of the side of the cutting guide frame 601 close to each other is fixedly connected with the cutting base 603 used in cooperation with the cutting knife 68, and the bottom of the slitting guide frame 501 and the cutting guide frame 601 is threadedly connected with the locking bolt 8, and the bottom of the locking bolt 8 penetrates the slitting guide frame 501 and the cutting guide frame 601 and is fixedly connected with the two sides of the processing table 1.

[0043] The slitting guide frame 501 and the cutting guide frame 601 can be slidably arranged according to the positions of the corresponding slitting pressure frame 5 and the cutting frame 6, and then the locking bolt 8 is twisted at the determined position, so as to fix the slitting guide frame 501 and the cutting guide frame 601 on the two sides of the processing table 1. After fixing the slitting guide frame 501 and the cutting guide frame 601, the first guide sliding block 502 and the second guide sliding block 602 can be longitudinally slidably positioned on the slitting guide frame 501 and the cutting guide frame 601, so that the slitting pressure frame 5 and the cutting frame 6 move more stably under pressure. The cutting base 603 can be slid to the lower side of the cutting knife 68 in cooperation with the cutting guide frame 601, and cooperate with the cutting knife 68 to facilitate cutting of the heat-sensitive paper.

[0044] The two sides of the guide pressure block one 59 and the guide pressure block two 63 are fixedly installed with the limiting sliding strip 72, the inner wall of the mounting frame 4 is provided with the limiting sliding groove 73 in sliding fit with the limiting sliding strip 72, the bottom of the limiting frame 41 is fixedly connected with the rear support frame 411 on one side between the guide pressure block one 59 and the guide pressure block two 63, the bottom of the limiting frame 41 is fixedly connected with the front support frame 412 on one side of the rear support frame 411, and the bottom of the rear support frame 411 is fixedly connected with the bottom bracket 413.

[0045] The combination of the rear support frame 411, the front support frame 412 and the bottom bracket 413 can support the inner side of the guide pressure block one 59 and the guide pressure block two 63, prevent the guide pressure block one 59 and the guide pressure block two 63 from tilting towards each other, and provide support for the sliding rod one 511 and the sliding rod two 611 on the top of the bottom bracket 413. Meanwhile, the guide pressure block one 59 and the guide pressure block two 63 in cooperation with the limiting sliding strip 72 can be limitedly slid with the limiting sliding groove 73 on the inner side of the mounting frame 4, so that the guide pressure block one 59 and the guide pressure block two 63 can stably slide longitudinally.

[0046] The top of the guide block one 59 and the guide block two 63 are provided with an installation slot 7, the bottom of the inner wall of the installation slot 7 is fixedly connected with a tension spring 71, the top of the tension spring 71 is fixedly connected with the top of the limiting frame 41, and the tension spring 71 is used for lifting the guide block one 59 and the guide block two 63;

[0047] The installation slot 7 is convenient for fixing and installing the tension spring 71, and makes the tension spring 71 have an elastic contraction space, and through the tension of the tension spring 71, the guide block one 59 and the guide block two 63 can be conveniently lifted, so as to eliminate the sliding gap between the guide block one 59 and the slide rod one 511, and eliminate the sliding gap between the guide block two 63 and the slide rod two 611.

[0048] The inside of the stable frame 52 is fixedly connected with a limiting sliding frame 55 located on one side of the splitting arm 53, and the side close to the limiting sliding frame 55 of the plurality of groups of splitting arms 53 is provided with a guide sliding groove in sliding fit with the limiting sliding frame 55; the limiting sliding frame 55 can slide horizontally to limit the plurality of groups of splitting arms 53, and the guide sliding groove of the splitting arm 53 cooperates with the limiting sliding frame 55 to prevent the plurality of groups of splitting arms 53 from falling downward, so as to facilitate the height adjustment of the plurality of groups of splitting arms 53 with the splitting pressing frame 5 and the stable frame 52.

[0049] Working principle: before the thermal paper enters the splitting cutting process, the raw material conveying and tension control need to be realized through the winding and unwinding equipment: the winding and unwinding equipment includes an unwinding roller and a tension adjusting mechanism, a large roll of thermal paper raw material is sleeved on the unwinding roller, the unwinding roller is driven by an unwinding motor to rotate at a constant speed, and the thermal paper raw material is conveyed to the processing table 1; the tension adjusting mechanism (such as a tension sensor and a guide roller group) monitors the tension in the thermal paper conveying process in real time, when the tension is too large, the unwinding motor reduces the speed, when the tension is too small, the unwinding motor increases the speed, so as to ensure that the thermal paper is laid flat on the processing table 1 with stable tension, providing a flat and wrinkle-free processing substrate for subsequent splitting and cutting;

[0050] The mounting frame 4 is detachably connected with the top frame 3 through bolts, and the mounting direction can be flexibly adjusted to adapt to the layout rectification of the assembly line. The limiting frame 41 limits the guide pressing block one 59 and the guide pressing block two 63. When the guide pressing block one 59 needs to be driven to descend, the first air cylinder 51 drives the slide rod one 511 to shrink away from the second air cylinder 61. The slide rod one 511 passes through the lifting groove in the guide pressing block one 59 and pushes the guide pressing block one 59 to move downward. Similarly, the second air cylinder 61 is started, the slide rod two 611 shrinks away from the first air cylinder 51, and the guide pressing block two 63 moves downward through the lifting groove of the guide pressing block two 63. The limiting slide strip 72 on both sides of the guide pressing block one 59 and the guide pressing block two 63 is in sliding fit with the limiting slide groove 73 on the inner wall of the mounting frame 4, so as to ensure the stability of the longitudinal sliding. Meanwhile, the tension spring 71 in the mounting groove 7 can pull the guide pressing block one 59 and the guide pressing block two 63, so as to eliminate the sliding gap between the slide rod and the guide pressing block. The combination of the rear support frame 411, the front support frame 412 and the bottom bracket 413 supports the inner side of the guide pressing block one 59 and the guide pressing block two 63, so as to prevent the inclination of the guide pressing block one 59 and the guide pressing block two 63, and also provides support force for the slide rod one 511 and the slide rod two 611;

[0051] The electric push rod 54 in the automatic driving assembly is fixed on the mounting plate 541. The electric push rod 54 drives the slitting arm 53 on the side close to the mounting plate 541 to move horizontally. The slitting arm 53 is movably connected with the connecting rod unit of the shearing cross frame 58 through a rotating shaft. The middle slitting arm 53 is constrained by the fixed block 56 and remains stationary. When the electric push rod 54 pushes the slitting arm 53 on one side to move, the shearing cross frame 58 is extended or retracted. If the shearing cross frame 58 is extended, the connecting rod units on both sides rotate around the hinge shaft and are unfolded, so as to drive the slitting arms 53 on both sides to extend outward and expand the slitting range. If the shearing cross frame 58 is retracted, the slitting arms 53 on both sides are drawn together, so as to narrow the slitting interval, thereby realizing the automatic adjustment of the slitting width. The slitting pressing frame 5 moves downward with the guide pressing block one 59, drives the slitting arm 53 and the slitting knife 57 to contact the hot-sensitive paper stably conveyed by the take-up and pay-off device, and cuts the hot-sensitive paper. The limiting slide frame 55 in the stable frame 52 is in sliding fit with the guide slide groove of the slitting arm 53, so as to limit the slitting arm 53 horizontally and prevent the slitting arm 53 from falling off. The slitting arm 53 is convenient for height adjustment with the slitting pressing frame 5 and the stable frame 52. The slitting guide frame 501 can be slidably arranged according to the position of the slitting pressing frame 5, is fixed on both sides of the processing table 1 through the locking bolt 8, the first guide slide block 502 is in sliding fit with the slitting guide frame 501, limits the downward movement of the slitting pressing frame 5 longitudinally, and makes the slitting pressing frame 5 more stable;

[0052] The adjusting rail 62 moves downward with the guide block two 63, according to the cutting requirement, the servo motor 65 is started to drive the screw rod 66 to rotate, the screw rod 66 drives the cutting frame 6 in threaded connection to move laterally on the adjusting rail 62, the cutting frame 6 is moved to the required cutting position, then the second air cylinder 61 is started to drive the guide block two 63 to move downward, in turn the adjusting rail 62 drives the cutting frame 6 and the cutting knife 68 to move downward, the hot sensitive paper strip after slitting is cut by the cutting knife 68, during the cutting process, the external winding and unwinding equipment keeps uniform speed conveying, ensures that the hot sensitive paper strip passes through the cutting station at a stable speed, avoids the cutting length deviation caused by the conveying speed fluctuation, the cutting guide frame 601 can be arranged according to the position of the cutting frame 6, is fixed by the locking bolt 8, the second guide block 602 and the cutting guide frame 601 are slidingly matched, the downward movement of the cutting frame 6 is longitudinally limited, the stability of cutting is ensured, the cutting base 603 cooperates with the cutting knife 68 to provide support for cutting, avoids the burr of the hot sensitive paper during cutting.

[0053] The basic principles and main features of the present application and the advantages of the present application are shown and described above, for those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0054] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, the technical solutions in each embodiment can also be combined to form other embodiments which can be understood by those skilled in the art.

Claims

1. A heat-sensitive paper production reciprocating cutting device, comprising a processing table (1) and support legs (101) fixedly installed at the bottom corners of the processing table (1), and side frames (2) are arranged on both sides of the processing table (1), and the top of the two groups of side frames (2) are jointly fixedly installed with a top frame (3), characterized in that: Also include cutting and cutting double-end drive mechanism, interval dynamic adjustable cutting mechanism and cutting distance adjustable cutting mechanism; The cutting and cutting double-end drive mechanism includes a mounting frame (4), a limiting frame (41), a first cylinder (51), a second cylinder (61), a guide pressure block one (59) and a guide pressure block two (63), the mounting frame (4) is detachably mounted on the bottom of the top frame (3) by bolts, the limiting frame (41) is fixedly installed with the bottom of the mounting frame (4), the guide pressure block one (59) is slidably installed on one side of the bottom of the limiting frame (41), the guide pressure block two (63) is slidably installed on the other side of the bottom of the limiting frame (41), the first cylinder (51) is fixedly installed on one side of the limiting frame (41) close to the guide pressure block one (59), and the output end of the first cylinder (51) penetrates the limiting frame (41) and is fixedly connected with a slide rod one (511), the second cylinder (61) is fixedly connected on one side of the limiting frame (41) close to the guide pressure block two (63), and the output end penetrates the limiting frame (41) and is fixedly connected with a slide rod two (611), the guide pressure block one (59) and the guide pressure block two (63) are internally provided with lifting grooves; The interval dynamic adjustable cutting mechanism includes a cutting pressure frame (5), and the cutting distance adjustable cutting mechanism includes a mounting bottom frame (64), and the mounting bottom frame (64) is fixedly connected at the bottom of the guide pressure block two (63); The cutting pressure frame (5) is fixedly installed at the bottom of the guide pressure block one (59), limiting slide strips (72) are fixedly installed on the two sides of the guide pressure block one (59) and the guide pressure block two (63), limiting slide grooves (73) are formed in the inner wall of the mounting frame (4) and slidably matched with the limiting slide strips (72), the bottom of the limiting frame (41) is fixedly connected with a rear support frame (411) on one side between the guide pressure block one (59) and the guide pressure block two (63), the bottom of the limiting frame (41) is fixedly connected with a front support frame (412) on one side of the rear support frame (411), and the bottom of the rear support frame (411) is fixedly connected with a bottom bracket (413). The first cylinder (51) and the second cylinder (61) of the cutting and cutting double-end drive mechanism can respectively drive the cutting pressure frame (5) of the interval dynamic adjustable cutting mechanism and the mounting bottom frame (64) of the cutting distance adjustable cutting mechanism to be pressed downward, and the cutting and cutting work is cooperatively performed; The cutting and cutting double-end drive mechanism is arranged at the bottom of the top frame (3) and is used for providing downward driving force for the interval dynamic adjustable cutting mechanism and the cutting distance adjustable cutting mechanism to realize the cutting and cutting work; The interval dynamic adjustable cutting mechanism is arranged on one side of the bottom of the top frame (3) and is used for cutting the heat-sensitive paper at an adjustable interval; The cutting distance adjustable cutting mechanism is arranged on the other side of the bottom of the top frame (3) and is used for cutting the heat-sensitive paper.

2. The reciprocating cutting apparatus for producing heat-sensitive paper according to claim 1, wherein: The interval dynamic adjustable slitting mechanism further comprises an automatic driving assembly, a stable frame (52), slitting arms (53), a fixed block (56), a slitting cutter (57) and a shearing type cross frame (58), the automatic driving assembly is arranged on one side of the stable frame (52) and is used for driving the transverse movement of one side of the slitting arms (53), the stable frame (52) is fixedly installed on the bottom of the slitting press frame (5), the slitting arms (53) are arranged in seven groups and are arranged horizontally, the top of the fixed block (56) is fixedly connected with the bottom of the slitting press frame (5), the bottom of the fixed block (56) is fixedly connected with the middle slitting arm (53), the shearing type cross frame (58) is composed of a plurality of shearing type cross arranged connecting rod units, the connecting rod units are sequentially connected through hinged shafts to form the shearing type cross frame, the slitting arms (53) and the connecting rod units of the shearing type cross frame (58) are movably connected through pivots, and in addition to the middle slitting arm (53) constrained by the fixed block (56), the remaining slitting arms (53) can move to both sides along the extension or contraction direction of the shearing type cross frame (58), and the slitting cutter (57) is fixedly connected to the rear side of the slitting arm (53).

3. The hot sensitive paper production reciprocating cutting apparatus according to claim 2, characterized in that: The automatic driving assembly comprises an electric push rod (54) and a mounting plate (541), the mounting plate (541) is fixedly installed on one side of the stable frame (52), and the electric push rod (54) is fixedly installed on the side, away from the slitting arm (53), of the mounting plate (541).

4. The hot sensitive paper production reciprocating cutting apparatus according to claim 2, characterized in that: The cutting mechanism with adjustable cutting interval further comprises an adjusting rail (62), a servo motor (65), a lead screw (66), a support shaft frame (67), a cutting frame (6) and a cutting cutter (68), the adjusting rail (62) is fixedly installed on the bottom of the guide pressing block two (63), the servo motor (65) is fixedly connected on the side, close to the guide pressing block two (63), of the mounting base (64), the output end of the servo motor (65) penetrates through the mounting base (64) and is fixedly connected with the lead screw (66), the support shaft frame (67) is fixedly connected on the side, away from the mounting base (64), of the bottom of the adjusting rail (62), one end of the lead screw (66), away from the servo motor (65), is rotatably connected with the support shaft frame (67), the cutting cutter (68) is fixedly connected on the bottom of the cutting frame (6), the cutting frame (6) is slidably installed on the bottom of the adjusting rail (62) and is threadedly connected with the lead screw (66).

5. The hot sensitive paper production reciprocating cutting apparatus according to claim 4, characterized in that: The both sides of the top of the processing table (1) are slidably provided with slitting guide frames (501) on both sides of the slitting press frame (5), both sides of the slitting press frame (5) are fixedly connected with first guide sliding blocks (502) in sliding fit with the slitting guide frames (501), the both sides of the top of the processing table (1) are slidably provided with cutting guide frames (601) on both sides of the cutting frame (6), both sides of the cutting frame (6) are fixedly connected with second guide sliding blocks (602) in sliding fit with the cutting guide frames (601), the bottom of the side of the cutting guide frames (601) close to each other is fixedly connected with a cutting base (603) used in cooperation with the cutting knife (68), the bottom of the slitting guide frame (501) and the cutting guide frame (601) is threadedly connected with a locking bolt (8), the bottom of the locking bolt (8) penetrates through the slitting guide frame (501) and the cutting guide frame (601) and is fixedly connected with the both sides of the processing table (1).

6. The hot sensitive paper production reciprocating cutting apparatus according to claim 1, characterized in that: The top of the guide block one (59) and the guide block two (63) is provided with an installation groove (7), the bottom of the inner wall of the installation groove (7) is fixedly connected with a tension spring (71), the top of the tension spring (71) is fixedly connected with the top of the limiting frame (41), and the tension spring (71) is used for lifting the guide block one (59) and the guide block two (63).

7. The hot sensitive paper production reciprocating cutting apparatus according to claim 2, characterized in that: The inside of the stable frame (52) is fixedly connected with a limiting sliding frame (55) on one side of the slitting arm (53), and the side close to the limiting sliding frame (55) of the slitting arm (53) is provided with a guide sliding groove in sliding fit with the limiting sliding frame (55).

Images