Printing machine roller with adjustable gap
By designing a combination of sliding structure and rolling device in the printing press roller, the problem of inconvenient gap adjustment of existing printing presses is solved, fast and accurate gap adjustment is achieved, and working efficiency is improved.
Patent Information
- Application Number
- CN202421255062.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-04
AI Technical Summary
Existing printing presses cannot quickly and accurately adjust the gap between rollers to the appropriate spacing, resulting in multiple fine adjustments to find the right position, which is more troublesome.
A printing press roller with adjustable gap is designed. By providing a sliding structure, a first rolling device and a second rolling device, the height adjustment and rotation of the upper and lower rolls is achieved by using the combination of screws, gears and belts, thereby simplifying the gap adjustment process.
It realizes rapid and accurate adjustment of the roller gap of the printing press, reduces the number of fine adjustments, and improves work efficiency.
Smart Images
Figure CN222662920U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of printing machines, in particular to a printing machine roller with adjustable gap. Background Art
[0002] A printing press is a machine for printing text and images. Modern printing presses are generally composed of mechanisms such as plate mounting, inking, embossing, and paper feeding (including folding). Its working principle is: first, the text and image to be printed are made into a printing plate, which is then mounted on a printing press. Then, ink is applied to the places on the printing plate where the text and image are, either manually or by a printing press. Then, the ink is directly or indirectly transferred to paper or other substrates (such as textiles, metal plates, plastics, leather, wood boards, glass, and ceramics), thereby replicating a printed product identical to the printing plate. The invention and development of the printing press has played an important role in the spread of human civilization and culture.
[0003] However, existing printing machines cannot quickly and accurately adjust the gap between rollers to a suitable spacing for operation, and most of them require multiple fine adjustments of the rollers to find the appropriate position, which is troublesome.
[0004] Therefore, in order to solve the above problems, a printing press roller with adjustable gap is proposed. Utility Model Content
[0005] The purpose of the utility model is to provide a printing press roller with adjustable gap, so as to solve the problem that the existing printing presses in the prior art mentioned in the above background technology cannot quickly and accurately adjust the gap between the rollers to a suitable spacing for operation, and most of them need to perform multiple fine adjustments on the rollers to find the appropriate position, which is troublesome.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a printing press roller with adjustable gap, comprising: a printing press body, a sliding structure, a first rolling device and a second rolling device;
[0007] The first slide groove, the second slide groove and the third slide groove in the printing machine body are hollow inside, the second slide groove, the third slide groove in the printing machine body are internally movably connected to the first slider in the sliding structure, the second rotating shaft in the sliding structure is internally bolted to the first connecting rod and the second connecting rod in the first rolling device, one side of the first connecting rod is bolted to the front end of the motor, the rear end of the motor is bolted to the first thread groove, the first thread groove is internally rotatably connected to the screw, one side of the second connecting rod is bolted to the first gear, the outer side of the first gear is bolted to the second thread groove, the outer side of the first gear is movably connected to the belt, the inner side of the belt is movably connected to the second gear and the third gear in the second rolling device, the lower end of the third gear is movably connected to the second slide block, and one side of the second slide block is bolted to the elastic device.
[0008] Preferably, the lower end of the desktop in the printing machine body is connected to the base with bolts, the first pillar and the second pillar are connected on both sides of the upper end of the desktop with bolts, the first pillar is hollow inside to form a first groove, the first groove is hollow on both sides inside to form a first slide groove and a second slide groove, the second pillar is hollow inside to form a third slide groove, the first slide groove and the second slide groove and the third slide groove are movably connected to the sliding structure, and the first pillar and the lower end of the second pillar are connected to the first rotating shaft with bolts.
[0009] Preferably, the second rotating shaft is connected to the hollow portion inside the connecting plate in the sliding structure by bolts, and the first sliding blocks are welded on both sides of the connecting plate.
[0010] Preferably, one side of the upper roller in the first rolling device is connected to the first connecting rod with bolts, one side of the first connecting rod is connected to the motor with bolts, the rear end of the motor is connected to the first thread groove with bolts, the first thread groove is internally rotatably connected to the screw, and the center of the screw is connected to the handle with bolts.
[0011] Preferably, one side of the upper roller is connected to the second connecting rod, one side of the second connecting rod is connected to the first gear with bolts, one side of the first gear is connected to the second thread groove with bolts, and the outer side of the first gear is movably connected to the inner side of the belt.
[0012] Preferably, the lower roller side of the second rolling device is connected to the third connecting rod with bolts, the third connecting rod is bolted to the inside of the first rotating shaft in the printing machine body, the first pillar in the printing machine body is bolted to the outside of the second pillar with the third pillar, the inside of the third pillar is bolted to the fourth connecting rod, the inside of the fourth connecting rod is bolted to the third thread groove, the internal thread of the third thread groove is hollow, and the hollow part of the internal thread of the third thread groove is rotatably connected to the lower end of the screw in the first rolling device.
[0013] Preferably, one side of the third connecting rod is connected to the second gear with bolts, the outer side of the second gear is movably connected to the belt, the inner side of the belt in the first rolling device is movably connected to the third gear, the lower end of the third gear is movably connected to the second slider, one side of the second slider is connected to the elastic device with bolts, and the second slider is movably connected inside the telescopic slot.
[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model can adjust the height of the upper roller up and down by rotating the screw rod, and can make the upper roller rotate by the second rotating shaft connected with the inner side of the connecting plate by bolts through the connecting plate that is movably connected with the first slide groove and the second slide groove and the third slide groove, and can drive the upper roller to rotate by the motor connected with the first gear connected with the first gear by bolts on one side of the upper roller, and can make the belt be sleeved on the outside of the first gear and movably connected with the second gear and the third gear through the connecting plate that is movably connected with the second gear and the third gear.
[0015] 1. The utility model comprises a desktop, a base, a first pillar, a first groove, a first slide groove, a second slide groove, a second pillar, a third slide groove, a first rotating shaft, a connecting plate, a second rotating shaft and a first sliding block. The first groove is hollowed out on both sides to form a first slide groove and a second slide groove for movably connecting the sliding structure, so that the sliding structure can be movably connected inside the first slide groove and the second slide groove. The second pillar is hollowed out to form a third slide groove for movably connecting the third slide groove and the sliding structure. The second rotating shaft is used to prevent the first connecting rod and the second connecting rod from being affected when rotating. The first sliding block is used to slide in the first slide groove, the second slide groove and the third slide groove.
[0016] 2. The utility model comprises an upper roller, a first connecting rod, a motor, a first threaded groove, a screw, a handle, a second connecting rod, a first gear, a second threaded groove, a belt, a lower roller, a third connecting rod, a third pillar, a fourth connecting rod, a third threaded groove, a second gear, a third gear, a second slider, an elastic device and a telescopic groove. The first threaded groove is used to rotatably connect the screw. The handle is bolted at the center of the screw so that the handle can be held by a staff member to rotate the screw to adjust the height of the upper roller. The first gear is bolted to one side of the second connecting rod so that the first gear can rotate the second gear and the third gear with a belt. The fourth connecting rod is bolted to the inner side of the third pillar so as to be connected to the third threaded groove. The third threaded groove is used to rotatably connect the screw. The lower end of the third gear is movably connected to the second slider so that the third gear can move in the telescopic groove. The elastic device is bolted to one side of the second slider so that the elastic device can support the second slider. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of a front cross-section of the structure of the utility model;
[0018] Figure 2 It is a schematic diagram of a front cross-section of the structure of the utility model;
[0019] Figure 3 It is a schematic side view of the structure of the utility model;
[0020] Figure 4It is a schematic side view of the structure of the utility model;
[0021] Figure 5 It is a schematic side cross-sectional view of the structure of the utility model;
[0022] Figure 6 It is a structural schematic diagram of the sliding structure of the utility model.
[0023] In the figure: 1. printing machine body; 101. tabletop; 102. base; 103. first pillar; 104. first groove; 105. first slide; 106. second slide; 107. second pillar; 108. third slide; 109. first rotating shaft; 2. sliding structure; 201. connecting plate; 202. second rotating shaft; 203. first slider; 3. first rolling device; 301. upper roller; 302. first connecting rod; 303. motor; 304 , first thread groove; 305, screw; 306, handle; 307, second connecting rod; 308, first gear; 309, second thread groove; 310, belt; 4, second rolling device; 401, lower roller; 402, third connecting rod; 403, third pillar; 404, fourth connecting rod; 405, third thread groove; 406, second gear; 407, third gear; 408, second slider; 409, elastic device; 410, telescopic groove. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1-6 , an embodiment provided by the utility model:
[0026] A printing press roller with adjustable gap, comprising: a printing press body 1, a sliding structure 2, a first rolling device 3 and a second rolling device 4;
[0027] The first slide groove 105 in the printing machine body 1 and the hollow parts inside the second slide groove 106 and the third slide groove 108, the second slide groove 106, the third slide groove 108 in the printing machine body 1 are internally movably connected to the first slider 203 in the sliding structure 2, the second rotating shaft 202 in the sliding structure 2 is internally connected to the first connecting rod 302 and the second connecting rod 307 in the first rolling device 3 by bolts, one side of the first connecting rod 302 is bolted to the front end of the motor 303, the rear end of the motor 303 is bolted to the first thread groove 304, the first thread groove 304 is internally rotatably connected to the screw rod 305, one side of the second connecting rod 307 is bolted to the first gear 308, the outer side of the first gear 308 is bolted to the second thread groove 309, the outer side of the first gear 308 is movably connected to the belt 310, the inner side of the belt 310 is movably connected to the second gear 406 and the third gear 407 in the second rolling device 4, the lower end of the third gear 407 is movably connected to the second slide block 408, and one side of the second slide block 408 is bolted to the elastic device 409.
[0028] Furthermore, the lower end of the desktop 101 in the printing machine body 1 is connected to the base 102 by bolts, and the first pillar 103 and the second pillar 107 are connected by bolts on both sides of the upper end of the desktop 101. The first pillar 103 is hollow inside to form a first groove 104, and the first groove 104 is hollow on both sides to form a first slide groove 105 and a second slide groove 106. The second pillar 107 is hollow inside to form a third slide groove 108. The first slide groove 105, the second slide groove 106 and the third slide groove 108 are internally movably connected to the sliding structure 2. The first pillar 103 and the second pillar 107 are internally connected to the first rotating shaft 109 by bolts at the lower ends. The first groove 104 is hollow on both sides to form a first slide groove 105 and a second slide groove 106 for movably connecting the sliding structure 2, so that the sliding structure 2 can be movably connected inside the first slide groove and the second slide groove 106, and the second pillar 107 is hollow inside to form a third slide groove 108 for movably connecting the third slide groove 108 to the sliding structure 2.
[0029] Furthermore, the second rotating shaft 202 is connected to the hollow part inside the connecting plate 201 in the sliding structure 2 by bolts, and the first slider 203 is welded on both sides of the connecting plate 201. The second rotating shaft 202 is used to ensure that the first connecting rod 302 and the second connecting rod 307 will not be affected during rotation, and the first slider 203 is used to slide in the first slide groove 105, the second slide groove 106 and the third slide groove 108.
[0030] Furthermore, one side of the upper roller 301 in the first rolling device 3 is bolted to the first connecting rod 302, one side of the first connecting rod 302 is bolted to the motor 303, the rear end of the motor 303 is bolted to the first thread groove 304, the first thread groove 304 is internally rotatably connected to the screw 305, the center of the screw 305 is bolted to the handle 306, the first thread groove 304 is used to rotatably connect the screw 305, the center of the screw 305 is bolted to the handle 306 so that the handle 306 can be held by the staff to rotate the screw 305 to adjust the height of the upper roller 301.
[0031] Furthermore, one side of the upper roller 301 is connected to the second connecting rod 307, one side of the second connecting rod 307 is bolted to the first gear 308, one side of the first gear 308 is bolted to the second thread groove 309, the outer side of the first gear 308 is movably connected to the inner side of the belt 310, and one side of the second connecting rod 307 is bolted to the first gear 308 to enable the first gear 308 to rotate the second gear 406 and the third gear 407 with the belt 310.
[0032] Furthermore, the lower roller 401 in the second rolling device 4 is bolted to the third connecting rod 402, and the third connecting rod 402 is bolted to the inside of the first rotating shaft 109 in the printing body 1, the first pillar 103 and the second pillar 107 in the printing body 1 are bolted to the third pillar 403 on the outside, the third pillar 403 is bolted to the fourth connecting rod 404 on the inside, and the fourth connecting rod 404 is bolted to the third thread groove 405 on the inside, the internal thread of the third thread groove 405 is hollow, and the hollow part of the internal thread of the third thread groove 405 is rotatably connected to the lower end of the screw 305 in the first rolling device 3, the fourth connecting rod 404 is bolted to the inside of the third pillar 403 for connecting with the third thread groove 405, and the third thread groove 405 is used to rotatably connect the screw 305.
[0033] Furthermore, one side of the third connecting rod 402 is bolted to the second gear 406, the outer side of the second gear 406 is movably connected to the belt 310, the inner side of the belt 310 in the first rolling device 3 is movably connected to the third gear 407, the lower end of the third gear 407 is movably connected to the second slider 408, one side of the second slider 408 is bolted to the elastic device 409, the second slider 408 is movably connected inside the telescopic groove 410, the lower end of the third gear 407 is movably connected to the second slider 408 to enable the third gear 407 to move in the telescopic groove 410, and one side of the second slider 408 is bolted to the elastic device 409 to enable the elastic device 409 to support the second slider 408.
[0034] Working principle: When in use, first hold the handle 306 and rotate the screw 305, so that the screw 305 drives the first thread groove 304 and the motor 303 that are rotatably connected on the outside, and adjusts the height in the second slide groove 106 according to the scale on the outside of the second slide groove 106, and then rotate the screw 305 inside the second thread groove 309, so that the screw 305 drives the second thread groove 309 to adjust the height according to the scale on the outside of the third slide groove 108, so that the motor 303 will not be affected when rotating the upper roller 301. When the upper roller 301 moves downward, the second slider 408 on the side of the second pillar 107 is supported by the elastic device 409 and moves to the outside of the telescopic groove 410, so that the third gear 407 movably connected to the upper end of the second slider 408 drives the belt 310 to pull outward, so that the belt 301 is tightened and drives the second gear 406 to rotate the lower roller 401 connected on the inside with bolts, and printing can be carried out.
[0035] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.
Claims
1. A printing press roller with adjustable gap, comprising: A printing machine body (1), a sliding structure (2), a first rolling device (3) and a second rolling device (4); The invention is characterized in that: the first slide groove (105) in the printing machine body (1) and the second slide groove (106) and the third slide groove (108) are hollow inside, the second slide groove (106) and the third slide groove (108) in the printing machine body (1) are internally movably connected to the first slider (203) in the sliding structure (2), the second rotating shaft (202) in the sliding structure (2) is internally connected with the first connecting rod (302) and the second connecting rod (307) in the first rolling device (3) by bolts, one side of the first connecting rod (302) is connected to the front end of the motor (303) by bolts, and the rear end of the motor (303) is connected to the first threaded The first thread groove (304) is internally rotatably connected to a screw rod (305), one side of the second connecting rod (307) is connected to a first gear (308) by means of bolts, the outer side of the first gear (308) is connected to a second thread groove (309) by means of bolts, the outer side of the first gear (308) is movably connected to a belt (310), the inner side of the belt (310) is movably connected to a second gear (406) and a third gear (407) in a second rolling device (4), the lower end of the third gear (407) is movably connected to a second slider (408), and one side of the second slider (408) is connected to an elastic device (409) by means of bolts.
2. A printing press roller with adjustable gap according to claim 1, characterized in that: The lower end of the desktop (101) in the printing machine body (1) is connected to the base (102) by bolts, and the upper ends of the desktop (101) are connected to a first pillar (103) and a second pillar (107) by bolts. The first pillar (103) is hollow inside to form a first groove (104), and the first groove (104) is hollow inside to form a first slide groove (105) and a second slide groove (106). The second pillar (107) is hollow inside to form a third slide groove (108). The first slide groove (105), the second slide groove (106) and the third slide groove (108) are movably connected to the sliding structure (2), and the lower ends of the first pillar (103) and the second pillar (107) are connected to a first rotating shaft (109) by bolts.
3. The gap-adjustable printing press roller according to claim 1, characterized in that: The hollow interior of the connecting plate (201) in the sliding structure (2) is connected to the second rotating shaft (202) by means of bolts, and first sliding blocks (203) are welded to both sides of the connecting plate (201).
4. The gap-adjustable printing press roller according to claim 1, characterized in that: One side of the upper roller (301) in the first rolling device (3) is connected to the first connecting rod (302) by bolts, one side of the first connecting rod (302) is connected to the motor (303) by bolts, the rear end of the motor (303) is connected to the first thread groove (304) by bolts, the first thread groove (304) is internally rotatably connected to the screw rod (305), and the center of the screw rod (305) is connected to the handle (306) by bolts.
5. A printing press roller with adjustable gap according to claim 4, characterized in that: One side of the upper roller (301) is connected to a second connecting rod (307), one side of the second connecting rod (307) is connected to a first gear (308) by bolts, one side of the first gear (308) is connected to a second thread groove (309) by bolts, and the outer side of the first gear (308) is movably connected to the inner side of a belt (310).
6. The gap-adjustable printing press roller according to claim 1, characterized in that: The lower roller (401) in the second rolling device (4) is connected to the third connecting rod (402) by bolts, and the third connecting rod (402) is connected to the inside of the first rotating shaft (109) in the printing machine body (1) by bolts. The first pillar (103) and the second pillar (107) in the printing machine body (1) are connected to the third pillar (403) by bolts on the outside, and the third pillar (403) is connected to the fourth connecting rod (404) by bolts on the inside, and the fourth connecting rod (404) is connected to the third thread groove (405) by bolts on the inside, and the internal thread of the third thread groove (405) is hollow, and the hollow part of the internal thread of the third thread groove (405) is rotatably connected to the lower end of the screw rod (305) in the first rolling device (3).
7. A printing press roller with adjustable gap according to claim 6, characterized in that: One side of the third connecting rod (402) is connected to the second gear (406) by bolts, the outer side of the second gear (406) is movably connected to the belt (310), the inner side of the belt (310) in the first rolling device (3) is movably connected to the third gear (407), the lower end of the third gear (407) is movably connected to the second slider (408), one side of the second slider (408) is connected to the elastic device (409) by bolts, and the second slider (408) is movably connected inside the telescopic slot (410).