Printer shaft with adjustable elasticity and printer with printer shaft
By incorporating an adjustment module into the printer shaft, the transmission gap can be adaptively adjusted, solving the problem that traditional printer shafts cannot adjust the paper adhesion, thus improving print quality and work efficiency.
Patent Information
- Application Number
- CN202520468771.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Traditional printer shafts cannot automatically adjust the degree of adhesion according to changes in paper material, resulting in decreased print quality and paper delivery failures.
Design a flexible and adjustable printer shaft. By setting an adjustment module between the drive shaft and the driven shaft, including a sliding rod and a side plate groove, and utilizing components such as first and second slots, limit plates and hook springs, adaptive adjustment of the transmission gap can be achieved.
It achieves adaptive bonding of different paper materials, reduces paper delivery failures, and improves printer efficiency and print quality.
Smart Images

Figure CN223803284U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to printer accessory technical field, especially a kind of elastic adjustable printer shaft and its printer. BACKGROUND
[0002] In modern office and industrial printing field, there are some limitations in conveying paper when traditional printer, paper of different materials (such as ordinary copy paper, special paper, thick paperboard, etc.) has different physical properties, including thickness, flexibility and surface smoothness. These characteristics directly affect the performance of paper in the conveying process, however, the existing printer shaft usually adopts fixed design, cannot automatically adjust the degree of adhesion to paper according to the change of paper material, which not only affects the printing quality, but also may cause paper conveying failure, reduces work efficiency. SUMMARY
[0003] The utility model discloses to overcome above-mentioned situation shortage, aims at providing a kind of technical scheme capable of solving above-mentioned problem.
[0004] An elastic adjustable printer shaft, comprising a driving shaft, a driven shaft, a side plate and a transmission module for reversing rotation between the driving shaft and the driven shaft, the transmission gap is formed between the driving shaft and the driven shaft, one side of the side plate is provided with a pitch adjusting module for adjusting the transmission gap.
[0005] The pitch adjusting module comprises a bearing and a sliding rod installed at both ends of the driven shaft, the end face of the side plate close to the driven shaft is provided with two groups of sliding grooves, the rear end of the sliding rod is slidingly installed in the sliding groove, and a first spring is arranged between the upper groove face of the sliding groove and the sliding rod.
[0006] As a further scheme of the utility model: the sliding groove is provided with at least two first clamping grooves, the first clamping grooves are uniformly distributed on the front end face of the sliding groove from top to bottom, the sliding groove is provided with a limiting plate for inserting into the sliding groove, one end of the first spring abuts against the lower end face of the limiting plate, and the other end of the first spring abuts against the upper end face of the sliding rod.
[0007] As a further scheme of the utility model: the inner end face of the sliding groove is provided with at least two second clamping grooves, the second clamping grooves are located on the same horizontal plane as the first clamping grooves, the left and right sides of the limiting plate are respectively provided with a first insertion port, the first insertion port is inserted into the first clamping groove, and the rear end of the limiting plate is provided with a second clamping block for inserting into the second clamping groove.
[0008] As a further scheme of the utility model: the left and right side faces of the limiting plate are provided with anti-skid lines.
[0009] As a further scheme of the utility model: the transmission module includes driving wheel, first driven wheel, second driven wheel, third driven wheel, belt and rotating motor, the driving wheel is installed at both ends of the driving shaft respectively for driving the driving wheel rotation, the first driven wheel is installed at both ends of the driven shaft respectively, the second driven wheel is arranged at the front side of the driving wheel, the third driven wheel is arranged at the rear side of the driving wheel, the belt is respectively set the first driven wheel, second driven wheel and third driven wheel, the outer surface of the belt between the second driven wheel and the third driven wheel is against the wheel surface of the driving wheel, the output end of the rotating motor is connected with the driving wheel.
[0010] As a further scheme of the utility model: the front end face of the side plate is equipped with at least two hanging rings, the hanging rings are arranged on the end face of the side plate close to the third driven wheel respectively, the third driven wheel is equipped with a first connecting seat, one end of the first connecting seat is rotationally connected with the third driven wheel, the other end of the first connecting seat is equipped with a hanging hole, the first connecting seat is equipped with a hook spring, one end of the hook spring is clamped in the hanging hole, the other end of the hook spring is hung in the hanging ring.
[0011] As a further scheme of the utility model: the front end face of the side plate is equipped with at least two guide modules, the guide module includes guide seat and guide plate, the guide seat is installed on the front end face of the side plate, the guide seat is provided with a limiting sliding slot, one end of the guide plate is slidingly installed in the limiting sliding slot, the other end of the guide plate is detachably installed on one side face of the first connecting seat.
[0012] As a further scheme of the utility model: the front end of the driving shaft is equipped with a fixed plate, the second driven wheel is equipped with a second connecting seat, one end of the second connecting seat is rotationally connected with the second driven wheel, the second connecting seat is installed on the rear end face of the fixed plate.
[0013] A kind of printer, including the printer shaft of above.
[0014] Compared with prior art, the utility model has the advantages that:
[0015] By setting distance adjusting module on the printer shaft, the sliding rod cooperates with the sliding slot at the side plate to realize the adjustment of the longitudinal position of the driven shaft, so that the transmission gap size is changed, when different material paper is transported, the driven shaft can be self-adaptively adjusted in height by the thickness of the paper, so that the paper is brought appropriate fitting degree, the paper transport failure can be reduced, and the working efficiency of the printer is guaranteed.
[0016] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the printer shaft of this utility model.
[0019] Figure 2 This is an exploded view of the printer shaft of this utility model.
[0020] Figure 3 This is an exploded view of the slide and the limiting plate of this utility model.
[0021] Figure 4 This is an exploded view of the hook spring and hanging ring of this utility model.
[0022] In the diagram: 1. Drive shaft; 11. Fixed plate; 2. Driven shaft; 3. Side plate; 31. Slide groove; 32. First spring; 33. Hanging ring; 34. Guide seat; 341. Limiting slide groove; 35. Guide plate; 311. First slot; 312. Limiting plate; 3121. First insertion port; 3122. Second locking block; 3123. Anti-slip texture; 313. Second slot; 41. Drive wheel; 42. First driven wheel; 43. Second driven wheel; 431. Second connecting seat; 44. Third driven wheel; 441. First connecting seat; 4411. Hanging hole; 442. Hook spring; 45. Belt; 46. Rotating motor; 51. Bearing; 52. Sliding rod; 6. Paper. Detailed Implementation
[0023] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0024] In the description of the embodiments of the utility model, it is understood that the directions or position relations indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, be constructed and operated in a specific direction, and thus cannot be understood as limiting the utility model.
[0025] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.
[0026] In the embodiments of the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.
[0027] Please refer to Figures 1-2 , in the embodiments of the utility model, a flexible adjustable printer shaft, including driving shaft 1, driven shaft 2, side plate 3 and the transmission module for making driving shaft 1 and driven shaft 2 reverse rotation, driving shaft 1 and driven shaft 2 form transmission gap, one side of side plate 3 is equipped with the distance adjusting module for adjusting transmission gap;The distance adjusting module includes the bearing 51 and the sliding rod 52 installed on the left and right ends of the driven shaft 2, the end surface of the side plate 3 close to the driven shaft 2 is equipped with two groups of sliding grooves 31, the rear end of the sliding rod 52 is slidably installed in the sliding groove 31, and the upper groove surface of the sliding groove 31 and the sliding rod 52 are equipped with the first spring 32. Specifically, the initial gap of the transmission gap can be set to the minimum gap, which can be set to 0.1mm gap, and the thinnest paper 6 of 70-80g / m 2 The paper 6 is transported, which can guarantee the fitting degree of the paper 6, and when 120-160g / m 2When the paper 6 is transported, the driven shaft 2 is fine-tuned upward by the thickness of the paper 6, so that the transmission gap adjustment of 0.2mm can meet the fitting requirements of the paper 6 during transportation, can be compatible with different paper 6 of different gram weight, and avoids the situation of paper jamming or poor fitting.
[0028] The working principle of the embodiment is as follows: by arranging the distance adjustment module on the printer shaft, the sliding rod 52 cooperates with the sliding groove 31 at the side plate 3 to realize the adjustment of the longitudinal position of the driven shaft 2, so that the size of the transmission gap is changed; when the paper 6 of different materials is transported, the thickness of the paper 6 during the transportation of the paper 6 can make the driven shaft 2 adaptively adjust the height to bring the paper 6 to a suitable fitting degree, so that the transportation failure of the paper 6 is reduced, and the working efficiency of the printer is ensured.
[0029] Further as Figures 1-3 shown in the utility model embodiment, the sliding groove 31 is provided with at least two first clamping grooves 311, the first clamping grooves 311 are uniformly distributed on the front end face of the sliding groove 31 from top to bottom, the sliding groove 31 is provided with a limiting plate 312 for being inserted in the sliding groove 31, one end of the first spring 32 abuts against the lower end face of the limiting plate 312, and the other end of the first spring 32 abuts against the upper end face of the sliding rod 52.
[0030] The working principle of the embodiment is as follows: the limiting plate 312 inserted at the first clamping groove 311 can extrude the first spring 32 to enhance the pre-tightening force applied to the sliding rod 52, so that the paper 6 can be subjected to stronger extrusion force when passing through the transmission gap, the paper 6 can be kept tight, the fitting force of the roller on the paper 6 is stronger, and the printing quality can be improved in the printing or curing process.
[0031] Further as Figures 1-3 shown in the utility model embodiment, the inner end face of the sliding groove 31 is provided with at least two second clamping grooves 313, the second clamping grooves 313 are located on the same horizontal plane as the first clamping grooves 311, the left and right sides of the limiting plate 312 are respectively provided with first insertion openings 3121 for being inserted with the first clamping grooves 311, the first insertion openings 3121 are inserted with the first clamping grooves 311, the rear end of the limiting plate 312 is provided with a second clamping block 3122 for being inserted into the second clamping groove 313. The left and right sides of the limiting plate 312 are clamped in the first clamping groove 311 for limiting the front end of the limiting plate 312, and the rear end of the limiting plate 312 is inserted into the second clamping groove 313 through the second clamping block 3122, so that the limiting plate 312 can better extrude the first spring 32, thereby adjusting the pre-tightening force of the first spring 32 on the sliding rod 52.
[0032] Further as Figures 1-3 shown in the utility model embodiment, the left and right sides of the limiting plate 312 are provided with anti-skid lines 3123. The anti-skid lines 3123 avoid hand slipping.
[0033] Further as Figures 1-2 shown in the utility model embodiment, the transmission module includes driving wheel 41, first driven wheel 42, second driven wheel 43, third driven wheel 44, belt 45 and rotating motor 46, driving wheel 41 is installed at the left and right two ends of driving shaft 1 respectively for driving driving wheel 41 rotation, first driven wheel 42 is installed at the left and right two ends of driven shaft 2 respectively, second driven wheel 43 is arranged at the front side of driving wheel 41, third driven wheel 44 is arranged at the rear side of driving wheel 41, belt 45 is respectively set first driven wheel 42, second driven wheel 43 and third driven wheel 44, the outer surface of belt 45 between second driven wheel 43 and third driven wheel 44 is against the wheel surface of driving wheel 41, the output end of rotating motor 46 is connected with driving wheel 41.Specifically, the left and right sides of driving shaft 1 and driven shaft 2 are respectively installed with driving wheel 41, first driven wheel 42, second driven wheel 43, third driven wheel 44 and belt 45, and one rotating motor 46 can be set as driving source, and the output end of rotating motor 46 can be connected with one side driving wheel 41 on the two sides of driving shaft 1 to output torque.
[0034] The working principle of the embodiment is as follows: after rotating motor 46 is electrified, driving wheel 41 is driven to rotate by the output end, meanwhile, driving shaft 1 rotates coaxially with driving wheel 41, driving wheel 41 drives belt 45 to transmit, belt 45 further drives first driven wheel 42, second driven wheel 43 and third driven wheel 44 to rotate, driven shaft 2 rotates coaxially with first driven wheel 42, thereby realizing the effect that driving shaft 1 and driven shaft 2 can rotate reversely to transmit paper 6.
[0035] Further as Figures 1-2 and Figure 4 shown in the utility model embodiment, the front end face of side plate 3 is provided with at least two hanging rings 33, the hanging rings 33 are arranged on the end face of side plate 3 close to third driven wheel 44 respectively, third driven wheel 44 is provided with first connecting seat 441, one end of first connecting seat 441 is rotatably connected with third driven wheel 44, the other end of first connecting seat 441 is provided with hanging hole 4411, first connecting seat 441 is provided with hook spring 442, one end of hook spring 442 is clamped in hanging hole 4411, and the other end of hook spring 442 is hung in hanging ring 33.
[0036] The working principle of the embodiment is as follows: the hook spring 442 is provided with hooks at both ends, the two ends of the hook spring 442 are hung on the ring 33 and the hook hole 4411 respectively, the third driven wheel 44 can move in the front-back direction, when the material of the paper 6 affects the upward sliding of the driven shaft 2, the contact surface of the first driven wheel 42 and the belt 45 is increased, the third driven wheel 44 is pulled forward by the belt 45 and thus the spring is pulled, after the paper 6 is conveyed, the third driven wheel 44 is pulled backward to the original position by the spring tension, the third driven wheel 44 pulls the belt 45 when moving backward, the contact surface of the third driven wheel 44 and the belt 45 is increased, and then the first driven wheel 42 is pulled downward by the belt 45, so that the transmission gap is adjusted to the initial gap size.
[0037] Further as Figures 1-2 shown, in the embodiment of the utility model, the front end face of side plate 3 is equipped with at least two guiding modules, the guiding module includes guiding seat 34 and guide plate 35, guiding seat 34 is installed at the front end face of side plate 3, guiding seat 34 is opened in limit sliding slot 341, one end of guide plate 35 is slidably installed in limit sliding slot 341, the other end of guide plate 35 is detachably installed at the side face of first connecting seat 441. Guiding module ensures that the third driven wheel 44 moves linearly, provides guiding effect so that the third driven wheel 44 can only move in the front-back direction, avoids deviation.
[0038] Further as Figures 1-2 shown, in the embodiment of the utility model, the front end of driving shaft 1 is equipped with fixed plate 11, the second driven wheel 43 is equipped with second connecting seat 431, one end of second connecting seat 431 is rotatably connected with second driven wheel 43, and second connecting seat 431 is installed at the rear end face of fixed plate 11.
[0039] In another embodiment of the utility model, a printer comprises the above printer shaft.
[0040] It is apparent for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other concrete forms without departing from the spirit or essential characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-restrictive in any aspect, and the scope of the utility model is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model.
Claims
1. A resiliently adjustable printer axle, characterized by, The transmission gap is formed between the driving shaft (1) and the driven shaft (2), and one side of the side plate (3) is provided with a distance adjusting module for adjusting the transmission gap. The distance adjusting module comprises bearings (51) and sliding rods (52) installed at both ends of the driven shaft (2), and the side plate (3) is provided with two groups of sliding grooves (31) near the end face of the driven shaft (2), the rear end of the sliding rod (52) is slidingly installed in the sliding groove (31), and the upper groove face of the sliding groove (31) is provided with a first spring (32) between the sliding rod (52).
2. The printer shaft of claim 1, wherein, The sliding groove (31) is provided with at least two first clamping grooves (311) which are uniformly distributed from top to bottom on the front end face of the sliding groove (31), the sliding groove (31) is provided with a limiting plate (312) for being inserted therein, one end of the first spring (32) abuts against the lower end face of the limiting plate (312), and the other end of the first spring (32) abuts against the upper end face of the sliding rod (52).
3. The printer shaft of claim 2, wherein, The inner end face of the sliding groove (31) is provided with at least two second clamping grooves (313) which are located on the same horizontal plane as the first clamping grooves (311), the left and right sides of the limiting plate (312) are respectively provided with first insertion openings (3121) which are inserted into the first clamping grooves (311), and the rear end of the limiting plate (312) is provided with a second clamping block (3122) which is inserted into the second clamping grooves (313).
4. The printer shaft of claim 3, wherein, The left and right side faces of the limiting plate (312) are provided with anti-skid lines (3123).
5. The printer shaft of claim 1, wherein, The transmission module comprises driving wheels (41), first driven wheels (42), second driven wheels (43), third driven wheels (44), belts (45) and rotating motors (46), the driving wheels (41) are respectively installed at both ends of the driving shaft (1) for driving the driving wheels (41) to rotate, the first driven wheels (42) are respectively installed at both ends of the driven shaft (2), the second driven wheels (43) are arranged on the front side of the driving wheels (41), the third driven wheels (44) are arranged on the rear side of the driving wheels (41), the belts (45) are respectively sleeved on the first driven wheels (42), the second driven wheels (43) and the third driven wheels (44), the outer surface of the belt (45) between the second driven wheels (43) and the third driven wheels (44) abuts against the wheel face of the driving wheels (41), and the output end of the rotating motor (46) is connected with the driving wheels (41).
6. The printer shaft of claim 5, wherein, The front end face of the side plate (3) is provided with at least two hanging rings (33), the hanging rings (33) are arranged on the end face of the side plate (3) close to the third driven wheel (44), the third driven wheel (44) is provided with a first connecting seat (441), one end of the first connecting seat (441) is rotatably connected with the third driven wheel (44), the other end of the first connecting seat (441) is provided with a hanging hole (4411), the first connecting seat (441) is provided with a hook spring (442), one end of the hook spring (442) is clamped in the hanging hole (4411), and the other end of the hook spring (442) is hung in the hanging ring (33).
7. The printer shaft of claim 6, wherein, The front end face of the side plate (3) is provided with at least two guide modules, the guide module comprises a guide seat (34) and a guide plate (35), the guide seat (34) is installed on the front end face of the side plate (3), the guide seat (34) is provided with a limiting sliding groove (341), one end of the guide plate (35) is slidably installed in the limiting sliding groove (341), and the other end of the guide plate (35) is detachably installed on one side face of the first connecting seat (441).
8. The printer shaft of claim 5, wherein, The front end of the driving shaft (1) is provided with a fixed plate (11), the second driven wheel (43) is provided with a second connecting seat (431), one end of the second connecting seat (431) is rotatably connected with the second driven wheel (43), and the second connecting seat (431) is installed on the rear end face of the fixed plate (11).
9. A printer characterized by comprising: A printer shaft comprising any one of claims 1-8. A printer shaft comprising any one of claims 1-8.