Slitting equipment for thermo-sensitive paper

Abstract

The invention belongs to the technical field of thermal paper slitting and discloses thermal paper slitting equipment which comprises a rack, mounting seats are fixedly connected to the two ends of the rack, an unwinding roller is mounted at one end of each mounting seat, a first guide rod is arranged at the top of each mounting seat, and a second guide rod is arranged at the other end of each mounting seat. A tensioning degree adjusting mechanism is arranged between the first guide rod and the unwinding roller, a moving mechanism is additionally arranged on the slitting equipment, so that different sizes can be cut at the same time according to the needed size of thermo-sensitive paper, and the situation that existing slitting equipment can only complete cutting of the same size, so that the cutting efficiency is greatly improved is changed. According to the thermal paper slitting device, the range of the slitting size of the thermal paper by the slitting device is expanded, the downward moving position of the cutter can be adjusted and positioned through the positioning mechanism according to the thermal paper of different thicknesses, and the situation that the thermal paper is damaged due to the fact that the cutter moves downwards too much or the thermal paper cannot be slit due to the fact that the cutter moves downwards too little is prevented; therefore, the working efficiency of slitting the thermal sensitive paper by the slitting equipment is enhanced.

Description

Technical Field

[0001] The invention relates to the technical field of thermal paper slitting, in particular to a thermal paper slitting device. Background Art

[0002] Thermal paper is also known as thermal fax paper, thermal recording paper, thermal copy paper, and in Taiwan, China it is called thermal carbon paper. Thermal paper is a processed paper. Its manufacturing principle is to coat a layer of "thermal coating" (thermal color-changing layer) on high-quality base paper. The slitting of thermal paper mainly involves the process of cutting thermal paper into specific sizes or shapes for easy use or packaging. Therefore, this process needs to be completed by thermal paper slitting equipment.

[0003] According to the announcement number: CN113911812A, a thermal paper slitting device is proposed, including: a frame; a unwinding mechanism, fixedly arranged on the frame, used to release a large roll of a composite thermal paper semi-finished product; a tension mechanism, rotatably arranged on the frame, the tension mechanism is distributed on the walking path of the single-layer thermal paper, and is used to provide tension for the single-layer thermal paper; a slitting mechanism, fixedly arranged on the frame, used to slitting and trimming the single-layer thermal paper; a rewinding mechanism, rotatably arranged on the frame, used to rewind the slit single-layer thermal paper into a coil. The thermal paper slitting device provided by the invention has a high degree of automation, low labor intensity of cutting for staff, high efficiency, and uniform cutting size.

[0004] According to the above introduction, the automation degree of the thermal paper slitting equipment is not high, which not only reduces the working efficiency of the thermal paper slitting, but also the slitting distance between the thermal papers cannot be adjusted in the slitting equipment used, so that the thermal paper can only meet the cutting size of the same size when slitting, and cannot meet the cutting of different sizes at the same time, which reduces the slitting range of the thermal paper size of the slitting equipment. At the same time, the thickness of the thermal paper is different, and the tool during cutting will also change. However, the existing slitting equipment does not have the function of limiting the contact distance between the tool and the thermal paper. In order to solve the above problems, an improved thermal paper slitting equipment is proposed. Summary of the invention

[0005] The object of the present invention is to provide a thermal paper slitting device, which can adjust the tightness of the unrolled thermal paper by setting a tension adjustment mechanism, and at the same time, a moving mechanism is added to the slitting device to drive the distance between the cutting knives to adjust, so that different sizes can be cut at the same time according to the required size of the thermal paper, which changes the previous slitting device that can only complete the cutting of the same size, expands the range of the thermal paper slitting size of the slitting device, and can adjust and position the downward position of the cutting knife according to the thermal paper of different thicknesses through the positioning mechanism, preventing the cutting knife from moving down too much to cause damage to the thermal paper or moving down too little to make the thermal paper unable to be slid, thereby enhancing the working efficiency of the slitting device for thermal paper slitting, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a thermal paper slitting device comprises a frame, both ends of the frame are fixedly connected with mounting seats, one end of the mounting seat is installed with a reeling roller, a first guide rod is arranged on the top of the mounting seat, a tension adjustment mechanism is arranged between the first guide rod and the reeling roller, a moving mechanism is arranged on the top of the other end of the mounting seat, a cylinder is installed on the moving mechanism, a piston rod of the cylinder is fixedly connected with a connecting frame, a cutting knife is installed at the lower end of the connecting frame, and a positioning mechanism is arranged on the mounting seat and at the position where the connecting frame moves.

[0007] Preferably, two groups of guide frames are arranged between the first guide rod and the cutting knife, and positioning rollers are fixedly connected to the mounting seat. The positioning rollers are located below the cutting knife, and the positioning rollers and the guide frames are on the same horizontal line.

[0008] Preferably, the tension adjustment mechanism includes a first movable groove, which is opened on the mounting seat, and the inner cavity of the first movable groove is movably connected with an adjusting rod, both ends of the adjusting rod are fixedly connected with fixing rings, the outer wall of the fixing ring is rotatably connected with a threaded rod, the surface of the threaded rod is sleeved with a first threaded sleeve, and the outer wall of the first threaded sleeve is fixedly connected with a fixing block, the fixing block is fixed to the outer wall of the mounting seat, and the end of the threaded rod away from the fixing ring is fixedly connected with an adjusting handle.

[0009] Preferably, the moving mechanism includes a fixed seat, which is fixed to the other end of the top of the mounting seat, wherein a stepper motor is mounted on one of the fixed seats, the output shaft of the stepper motor is connected to a bidirectional screw rod, one end of the bidirectional screw rod is rotatably connected to the other fixed seat, a second threaded sleeve is threadedly connected to the surface of the bidirectional screw rod at a symmetrical position, a connecting block is fixedly connected to the outer wall of the second threaded sleeve, a mounting frame is fixedly connected to the surface of the connecting block, and the cylinder is mounted on the mounting frame.

[0010] Preferably, a sliding block is fixedly connected to a side of the mounting frame away from the cylinder at a symmetrical position, an inner cavity of the sliding block is slidably connected to a sliding rod via a sliding sleeve, and both ends of the sliding rod are fixed to a fixing seat.

[0011] Preferably, the mounting frame is provided with limit rods which are slidably connected to both sides of the cylinder, and the lower ends of the limit rods are fixed to the connecting frame.

[0012] Preferably, the positioning mechanism includes a second movable groove, which is opened on one end of the mounting seat close to the fixed seat, the inner cavity of the second movable groove is movably connected with a positioning rod, and a positioning plate used in conjunction with the positioning rod is fixedly connected to the connecting frame, through holes are opened at both ends of the positioning rod, and a positioning bolt is inserted into the inner cavity of the through hole, and a positioning nut is threadedly connected to the positioning bolt, and the bottom end of the positioning bolt is fixed to the outer wall of the mounting seat through a fixing plate.

[0013] Preferably, the first movable groove is opened horizontally, and the second movable groove is opened vertically.

[0014] Preferably, a protective pad is fixedly connected to the lower surface of the positioning plate, and the protective pad is in contact with the surface of the positioning rod.

[0015] Preferably, the top of the limiting rod is fixedly connected to a limiting block, and the cross-sectional area of ​​the limiting block is larger than the cross-sectional area of ​​the limiting rod.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention provides a thermal paper slitting device, which can adjust the tightness of the unrolled thermal paper by setting a tension adjustment mechanism, and at the same time, a moving mechanism is added to the slitting device to drive the distance between the cutting knives to adjust, so that different sizes can be cut at the same time according to the required size of the thermal paper, which changes the previous slitting device that can only complete the cutting of the same size, expands the range of the thermal paper slitting size of the slitting device, and can adjust and position the downward position of the cutting knife according to the thermal paper of different thicknesses through the provided positioning mechanism, thereby preventing the cutting knife from moving down too much to cause damage to the thermal paper or moving down too little to make it impossible to slit the thermal paper, thereby enhancing the working efficiency of the slitting device for thermal paper slitting.

[0018] 2. The present invention provides a thermal paper slitting device, which can mobilize the cutting knife on the connecting frame to perform lifting and lowering adjustment through the provided cylinder, and can cooperate with the positioning mechanism, so that the position where the cylinder drives the cutting knife to move downward can be positioned, preventing the impact of the cylinder from driving the cutting knife to damage the thermal paper. At the same time, when the cylinder drives the connecting frame to lift and lower, the cooperation of the limit rod and the limit block can enhance the stability of the movement of the connecting frame, and at the same time ensure that the limit rod will not be separated from the mounting frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a rear view schematic diagram of the overall structure of the present invention;

[0021] Figure 3 It is a schematic diagram of the tension adjustment mechanism, the moving mechanism and the positioning mechanism of the present invention;

[0022] Figure 4 It is a schematic diagram of the structure of the moving mechanism and the positioning mechanism of the present invention;

[0023] Figure 5 It is a partial exploded schematic diagram of the positioning mechanism structure of the present invention;

[0024] Figure 6 It is a partial schematic diagram of the tension adjustment mechanism structure of the present invention.

[0025] Numbers in the figure: 1. frame; 2. mounting seat; 3. unwinding roller; 4. first guide rod; 5. tension adjustment mechanism; 51. first movable groove; 52. adjusting rod; 53. fixing ring; 54. threaded rod; 55. first threaded sleeve; 56. fixing block; 57. adjusting handle; 6. moving mechanism; 61. fixing seat; 62. stepping motor; 63. bidirectional screw rod; 64. second threaded sleeve; 65. connecting block; 66. mounting frame; 7. cylinder; 8. connecting frame; 9. cutting knife; 10. positioning mechanism; 101. second movable groove; 102. positioning rod; 103. positioning plate; 104. through hole; 105. positioning bolt; 106. positioning nut; 11. guide frame; 12. positioning roller; 13. slider; 14. slide rod; 15. limit rod; 16. protective pad; 17. limit block. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] The present invention provides Figures 1 to 6The thermal paper slitting device shown in the figure comprises a frame 1, a mounting seat 2 is fixedly connected to both ends of the frame 1, a reel 3 is installed at one end of the mounting seat 2, a first guide rod 4 is arranged on the top of the mounting seat 2, a tension adjustment mechanism 5 is arranged between the first guide rod 4 and the reel 3, a moving mechanism 6 is arranged on the top of the other end of the mounting seat 2, a cylinder 7 is installed on the moving mechanism 6, a piston rod of the cylinder 7 is fixedly connected to a connecting frame 8, a cutting knife 9 is installed at the lower end of the connecting frame 8, a positioning mechanism 10 is arranged on the mounting seat 2 and at the position where the connecting frame 8 moves, and by setting the tension adjustment mechanism 5 The tightness of the unrolled thermal paper can be adjusted, and at the same time, a moving mechanism 6 is added to the slitting equipment to drive the distance between the cutting knives 9 to be adjusted, so that different sizes can be simultaneously cut according to the required size of the thermal paper, which changes the previous slitting equipment that can only complete the cutting of the same size, expands the range of the slitting size of the thermal paper by the slitting equipment, and according to the different thicknesses of thermal paper, the positioning mechanism 10 can adjust the downward position of the cutting knife 9 to prevent the cutting knife 9 from moving down too much to cause damage to the thermal paper or moving down too little to make the thermal paper unable to be cut, thereby enhancing the working efficiency of the slitting equipment for thermal paper slitting.

[0028] Two groups of guide frames 11 are arranged between the first guide rod 4 and the cutting knife 9, and a positioning roller 12 is fixedly connected to the mounting seat 2. The positioning roller 12 is located below the cutting knife 9, and the positioning roller 12 and the guide frame 11 are on the same horizontal line. By arranging the guide frame 11 and the first guide rod 4, a guiding effect can be provided for the unwinding thermal paper, so as to facilitate the combing effect on the position of the thermal paper.

[0029] The tension adjustment mechanism 5 includes a first movable groove 51, which is provided on the mounting seat 2. An adjusting rod 52 is movably connected to the inner cavity of the first movable groove 51. Fixed rings 53 are fixedly connected to both ends of the adjusting rod 52. A threaded rod 54 is rotatably connected to the outer wall of the fixing ring 53. A first threaded sleeve 55 is sleeved on the surface of the threaded rod 54. A fixing block 56 is fixedly connected to the outer wall of the first threaded sleeve 55. The fixing block 56 is fixed to the outer wall of the mounting seat 2. An adjusting handle 57 is fixedly connected to one end of the threaded rod 54 away from the fixing ring 53. The first movable groove 51 is provided to provide a position for the movement of the adjusting rod 52. Then, the adjusting handle 57 is rotated to drive the threaded rod 54 to rotate. The first threaded sleeve 55 and the fixing block 56 are provided to cooperate with each other, so as to provide a limited movement for the position of the threaded rod 54. The threaded rod 54 rotates through the fixing ring 53 to drive the adjusting rod 52 to move and adjust in the first movable groove 51, thereby adjusting the tension of the thermal paper.

[0030] The moving mechanism 6 includes a fixed seat 61, and the fixed seat 61 is fixed to the other end of the top of the mounting seat 2, a stepper motor 62 is installed on one of the fixed seats 61, the output shaft of the stepper motor 62 is connected to a bidirectional screw rod 63, one end of the bidirectional screw rod 63 is rotatably connected to the other fixed seat 61, a second threaded sleeve 64 is threadedly connected at a symmetrical position on the surface of the bidirectional screw rod 63, a connecting block 65 is fixedly connected to the outer wall of the second threaded sleeve 64, a mounting bracket 66 is fixedly connected to the surface of the connecting block 65, and the cylinder 7 is installed on the mounting bracket 66, through The fixed seat 61 provided can provide installation support for the bidirectional screw rod 63 and the stepper motor 62. The drive of the stepper motor 62 drives the bidirectional screw rod 63 to rotate, and then with the cooperation of the second threaded sleeve 64 and the connecting block 65, the position of the mounting bracket 66 can be adjusted. Therefore, the mounting bracket 66 can drive the distance between the cutting knives 9 connected to the cylinder 7 to adjust, so that different sizes can be cut at the same time according to the required size of the thermal paper, which changes the previous slitting equipment that can only complete the cutting of the same size, and expands the range of the slitting size of the thermal paper by the slitting equipment.

[0031] A slider 13 is fixedly connected to a side of the mounting frame 66 that is symmetrically away from the cylinder 7. The inner cavity of the slider 13 is slidably connected to a slide rod 14 via a sleeve. Both ends of the slide rod 14 are fixed to a fixed seat 61. The cooperation of the slider 13 and the slide rod 14 can provide limited movement for the moving mounting frame 66, thereby enhancing the stability of the movement of the mounting frame 66.

[0032] The limiting rod 15 is slidably connected on the mounting frame 66 and located on both sides of the cylinder 7. The lower end of the limiting rod 15 is fixed on the connecting frame 8. The top of the limiting rod 15 is fixedly connected to the limiting block 17. The cross-sectional area of ​​the limiting block 17 is larger than the cross-sectional area of ​​the limiting rod 15. Through the cooperation between the limiting rod 15 and the limiting block 17, the stability of the movement of the connecting frame 8 can be enhanced, and at the same time, it is ensured that the limiting rod 15 will not be separated from the mounting frame 66.

[0033] The positioning mechanism 10 includes a second movable groove 101, which is provided at one end of the mounting seat 2 close to the fixed seat 61. The inner cavity of the second movable groove 101 is movably connected with a positioning rod 102. A positioning plate 103 used in conjunction with the positioning rod 102 is fixedly connected to the connecting frame 8. Through holes 104 are provided at both ends of the positioning rod 102. Positioning bolts 105 are inserted into the inner cavities of the through holes 104. Positioning nuts 106 are threadedly connected to the positioning bolts 105. The bottom ends of the positioning bolts 105 are fixed to the outer wall of the mounting seat 2 through the fixing plate. By inserting the positioning bolts 105 into the two ends of the positioning rod 102, the position of the positioning rod 102 can be adjusted by adjusting the position of the positioning nuts 106, so that the positioning rod 102 moves in the second movable groove 101, thereby preventing the cutting knife 9 from moving down too much to damage the thermal paper or moving down too little to cut the thermal paper, thereby meeting the cutting work of thermal papers of different thicknesses.

[0034] The first movable groove 51 is opened horizontally to facilitate left-right position adjustment of the adjusting rod 52 , and the second movable groove 101 is opened vertically to facilitate up-and-down position adjustment of the positioning rod 102 .

[0035] A protective pad 16 is fixedly connected to the lower surface of the positioning plate 103 . The protective pad 16 is in contact with the surface of the positioning rod 102 , and can provide a protective effect on the contact between the positioning plate 103 and the positioning rod 102 .

[0036] During specific use, the thermal paper is first unwound by the unwinding roller 3, and then the guide frame 11 and the first guide rod 4 are provided to provide a guiding effect on the unwound thermal paper, so as to facilitate the combing effect on the position of the thermal paper. During the unwinding process of the thermal paper, the threaded rod 54 can be driven to rotate by rotating the adjusting handle 57 according to the situation, and the first threaded sleeve 55 and the fixed block 56 are provided to cooperate with each other, so as to provide limited movement for the position of the threaded rod 54, so that the threaded rod 54 can be rotated through the fixed ring 53 to drive the adjusting rod 52 to move and adjust in the first movable groove 51, so as to adjust the tension of the thermal paper. Then, at the position of cutting the thermal paper, the staff drives the stepping motor 62 to drive the bidirectional screw rod 63 to rotate according to the required size of the thermal paper, and then, with the cooperation of the second threaded sleeve 64 and the connecting block 65, the position of the mounting frame 66 can be driven to move. The mounting frame 66 can be adjusted, so the distance between the cutting blades 9 connected to the cylinder 7 can be adjusted, so that the thermal paper can be cut into different sizes at the same time according to the required size of the thermal paper, which changes the previous slitting equipment that can only complete the cutting operation of the same size, and expands the range of the slitting size of the thermal paper by the slitting equipment. At the same time, the position of the cutting blade 9 in cutting the thermal paper can be adjusted according to the thickness of the thermal paper by inserting the positioning bolts 105 at the two ends of the positioning rod 102, and the position of the positioning nut 106 can be adjusted to adjust the position of the positioning rod 102, so that the positioning rod 102 moves in the second movable groove 101, preventing the cutting blade 9 from moving down too much to cause damage to the thermal paper or moving down too little to make the thermal paper unable to be cut, meeting the cutting work of thermal papers of different thicknesses, thereby enhancing the working efficiency of the slitting equipment for cutting thermal paper.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A thermal paper slitting device, comprising a frame (1), characterized in that: The frame (1) is fixedly connected with a mounting seat (2) at both ends, a reeling roller (3) is installed at one end of the mounting seat (2), a first guide rod (4) is arranged at the top of the mounting seat (2), a tension adjustment mechanism (5) is arranged between the first guide rod (4) and the reeling roller (3), a moving mechanism (6) is arranged at the top of the other end of the mounting seat (2), a cylinder (7) is installed on the moving mechanism (6), a piston rod of the cylinder (7) is fixedly connected with a connecting frame (8), a cutting knife (9) is installed at the lower end of the connecting frame (8), and a positioning mechanism (10) is arranged on the mounting seat (2) and at a position where the connecting frame (8) moves.

2. The thermal paper slitting device according to claim 1, characterized in that: Two groups of guide frames (11) are arranged between the first guide rod (4) and the cutting knife (9), and a positioning roller (12) is fixedly connected to the mounting seat (2), the positioning roller (12) is located below the cutting knife (9), and the positioning roller (12) and the guide frame (11) are on the same horizontal line.

3. The thermal paper slitting device according to claim 1, characterized in that: The tension adjustment mechanism (5) comprises a first movable groove (51), the first movable groove (51) is provided on the mounting seat (2), an inner cavity of the first movable groove (51) is movably connected to an adjustment rod (52), both ends of the adjustment rod (52) are fixedly connected to fixing rings (53), an outer wall of the fixing ring (53) is rotatably connected to a threaded rod (54), a first threaded sleeve (55) is sleeved on the surface of the threaded rod (54), and a fixing block (56) is fixedly connected to the outer wall of the first threaded sleeve (55), the fixing block (56) is fixed to the outer wall of the mounting seat (2), and an adjustment handle (57) is fixedly connected to one end of the threaded rod (54) away from the fixing ring (53).

4. The thermal paper slitting device according to claim 1, characterized in that: The moving mechanism (6) comprises a fixed seat (61), wherein the fixed seat (61) is fixed to the other end of the top of the mounting seat (2), a stepper motor (62) is mounted on one of the fixed seats (61), an output shaft of the stepper motor (62) is connected to a bidirectional screw rod (63), one end of the bidirectional screw rod (63) is rotatably connected to the other fixed seat (61), a second threaded sleeve (64) is threadedly connected at a symmetrical position on the surface of the bidirectional screw rod (63), a connecting block (65) is fixedly connected to the outer wall of the second threaded sleeve (64), a mounting frame (66) is fixedly connected to the surface of the connecting block (65), and the cylinder (7) is mounted on the mounting frame (66).

5. The thermal paper slitting device according to claim 4, characterized in that: A sliding block (13) is fixedly connected to a side of the mounting frame (66) away from the cylinder (7) at a symmetrical position, and an inner cavity of the sliding block (13) is slidably connected to a sliding rod (14) via a sliding sleeve, and both ends of the sliding rod (14) are fixed to a fixing seat (61).

6. The thermal paper slitting device according to claim 5, characterized in that: Limit rods (15) are slidably connected on the mounting frame (66) and located on both sides of the cylinder (7), and the lower ends of the limit rods (15) are fixed on the connecting frame (8).

7. The thermal paper slitting device according to claim 3, characterized in that: The positioning mechanism (10) comprises a second movable groove (101), the second movable groove (101) being provided at one end of the mounting seat (2) close to the fixed seat (61), the inner cavity of the second movable groove (101) being movably connected to a positioning rod (102), a positioning plate (103) being fixedly connected to the connecting frame (8) and used in conjunction with the positioning rod (102), through holes (104) being provided at both ends of the positioning rod (102), a positioning bolt (105) being inserted into the inner cavity of the through hole (104), a positioning nut (106) being threadedly connected to the positioning bolt (105), and the bottom end of the positioning bolt (105) being fixed to the outer wall of the mounting seat (2) via a fixing plate.

8. The thermal paper slitting device according to claim 7, characterized in that: The first movable groove (51) is opened horizontally, and the second movable groove (101) is opened vertically.

9. The thermal paper slitting device according to claim 7, characterized in that: A protective pad (16) is fixedly connected to the lower surface of the positioning plate (103), and the protective pad (16) is in contact with the surface of the positioning rod (102).

10. The thermal paper slitting device according to claim 6, characterized in that: The top of the limiting rod (15) is fixedly connected to a limiting block (17), and the cross-sectional area of ​​the limiting block (17) is larger than the cross-sectional area of ​​the limiting rod (15).

Images