CN217705232U

CN217705232U - Auxiliary positioning device for precision shaft of printer

Info

Publication number: CN217705232U
Application number: CN202220955278.4U
Authority: CN
Inventors: 许电波
Original assignee: Kaifang Industrial Technology Suzhou Co ltd
Current assignee: Kaifang Industrial Technology Suzhou Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-11-01
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses a printer precision is auxiliary positioning device for axle, including precision axle, mounting bracket and fixed thread cover, the fixed a plurality of first fixture blocks that are provided with in axle body one side of precision axle, the fixed a plurality of second fixture blocks that set up in one side that first fixture block was kept away from to the axle body of precision axle, the axle body position joint that is located first fixture block of precision axle is provided with first cutting ferrule, the axle body position joint that is located the second fixture block of precision axle is provided with the second cutting ferrule, the both ends position of precision axle all is provided with the threaded rod, and is a pair of thread groove has all been seted up to the intermediate position of fixed thread cover. The utility model discloses in, the accurate for axle auxiliary positioning device of printer of this design possesses the function that can dismantle the installation fast and change the accurate axle of maintenance when using, and overall structure connects design structural strength height simultaneously, connects firmly, is worth promoting.

Description

Auxiliary positioning device for precision shaft of printer

Technical Field

The utility model relates to an auxiliary positioning device's technical field especially relates to an accurate for axle auxiliary positioning device of printer.

Background

The existing precision auxiliary positioning device for the printer often has more or less use problems in daily use, most of the problems are mainly represented by extremely complicated maintenance and disassembly of a precision shaft of the printer, and therefore, the auxiliary positioning device for the precision shaft of the printer needs to be designed.

The prior patent (CN 211042090U) discloses a rotating shaft positioning device for positioning a rotating shaft, which includes a motor, a grating and a photoelectric switch; the motor is in transmission connection with the rotating shaft and drives the rotating shaft to rotate; the grating is eccentrically arranged on the rotating shaft in a penetrating way along the radial direction of the rotating shaft; the photoelectric switch comprises a transmitting end and a receiving end, the transmitting end is used for transmitting optical signals, the receiving end is used for receiving the optical signals and generating photoelectric pulse signals, the transmitting end and the receiving end are respectively arranged on two sides of the rotating shaft in the radial direction, and in the rotating process of the rotating shaft, the optical signals transmitted by the transmitting end penetrate through the grating and are transmitted to the receiving end to generate the photoelectric pulse signals so as to determine the stop position of the motor; the grating is directly arranged on the rotating shaft to be positioned, and the problem that the positioning detection cannot be carried out due to the limitation of the mounting space of the shaft end of the rotating shaft is solved by matching with the structural form of the photoelectric switch.

The utility model discloses a shortcoming is that the pivot positioner overall structure of this design is comparatively complicated, and is high to the joint of pivot simultaneously although the joint strength is connected firmly, but comparatively loaded down with trivial details to the dismouting of pivot, greatly reduced the maintenance efficiency in later stage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an auxiliary positioning device for a printer precision shaft.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a printer precision is auxiliary positioning device for axle, includes precision axle, mounting bracket and fixed thread bush, the fixed a plurality of first fixture blocks that are provided with in axle body one side of precision axle, the fixed a plurality of second fixture blocks that set up in one side that first fixture block was kept away from to the axle body of precision axle, the position joint that the axle body of precision axle is located first fixture block is provided with first cutting ferrule, the position joint that the axle body of precision axle is located the second fixture block is provided with the second cutting ferrule, the both ends position of precision axle all is provided with the threaded rod, and is a pair of the thread groove has all been seted up to the intermediate position of fixed thread bush, the thread groove and the mutual thread fastening cooperation of threaded rod, it is provided with a pair of limiting plate, and is a pair of to slide between the both sides of mounting bracket the both sides of limiting plate are all fixed symmetrically and are provided with a pair of stopper, the position that the mounting bracket is located two pairs of stopper has all seted up spacing spout, and two pairs of stopper all with the mutual sliding fit, a plurality of spacing spout, and a pair of the pilot hole has all been seted up to first cutting ferrule and second cutting ferrule rotation sets up in a pair of clamping ferrule between a pair of fixed thread bush the precision axle.

As a further description of the above technical solution:

first cutting ferrule and second cutting ferrule all pass through bearing and pilot hole normal running fit.

As a further description of the above technical solution:

and the positions of one ends of the pair of fixed threaded sleeves, which are close to the limiting plate, are both fixedly provided with positioning rings.

As a further description of the above technical solution:

one end of the first clamping sleeve, which is close to the second clamping sleeve, is fixedly provided with a driven gear.

As a further description of the above technical solution:

round holes are formed in the middle positions of the first clamping sleeve and the second clamping sleeve, and the round holes are matched with the precision shaft.

As a further description of the above technical solution:

a plurality of limiting grooves are formed in the positions, located in the round holes, of the first clamping sleeve and the second clamping sleeve, and the limiting grooves are matched with the first clamping block and the second clamping block in a clamped mode.

As a further description of the above technical solution:

and the first clamping block and the second clamping block are fixedly arranged on the shaft body of the precision shaft in a cross shape.

As a further description of the above technical solution:

a plurality of the limiting grooves are arranged on the inner wall of the round hole in a cross shape.

The utility model discloses following beneficial effect has:

1. the utility model discloses an in, the accurate axle assistance-localization real-time structure of device has been constituteed through limiting plate, stopper, spacing spout and the mounting bracket that sets up, and in this structure, accurate axle rotates to be set up between a pair of limiting plate, and a pair of limiting plate passes through the spacing sliding fit between stopper and the spacing spout and installs between a pair of mounting bracket, and the design of this structure has played the supplementary dismouting that has made things convenient for accurate axle.

2. The utility model discloses an in, through the threaded rod that sets up, first fixture block, the second fixture block, the fixed thread cover, the spacing groove, first cutting ferrule, the installation fixed knot of the accurate axle of device has been constituteed to second cutting ferrule and bearing constructs, in this structure, the fixed first fixture block and the second fixture block that are provided with of both sides symmetry of accurate axle, and the mutual joint cooperation of first fixture block and first cutting ferrule, the mutual joint cooperation of second fixture block and second cutting ferrule, the bearing and the limiting plate rotation connection of establishing through fixed cover are all established in the outside of first cutting ferrule and second cutting ferrule, the both ends of accurate axle all are provided with the threaded rod, and fix the accurate axle between a pair of limiting plate through the fixed thread cover with it, overall structure's design has played the fixed action firm to the accurate axle.

3. The utility model discloses an in, holistic design simple structure, production is simpler, low in production cost, and the structure joint strength between each other is higher, and structural stability is high, and quick assembly disassembly and change maintenance can be accomplished to accurate axle simultaneously, have improved work efficiency greatly, are worth promoting.

Drawings

Fig. 1 is a top view of an auxiliary positioning device for a precision shaft of a printer according to the present invention;

fig. 2 is a sectional view of an auxiliary positioning structure of the auxiliary positioning device for the precision shaft of the printer provided by the present invention;

fig. 3 is an axonometric view of a limiting plate of the auxiliary positioning device for the precision shaft of the printer;

FIG. 4 is an axonometric view of the first clamping structure of the auxiliary positioning device for the precision axis of the printer according to the present invention;

fig. 5 is the utility model provides a printer precision is second joint structure axonometric drawing of auxiliary positioning device for axle.

Illustration of the drawings:

1. a limiting plate; 2. a driven gear; 3. a precision shaft; 4. a limiting chute; 5. a limiting block; 6. fixing the threaded sleeve; 7. a mounting frame; 8. a bearing; 9. a first ferrule; 10. a circular hole; 11. a limiting groove; 12. A second ferrule; 13. an assembly hole; 14. a thread groove; 15. a threaded rod; 16. positioning rings; 17. a first clamping block; 18. and a second clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a printer precision is auxiliary positioning device for axle, including precision axle 3, mounting bracket 7 and fixed thread bush 6, the fixed a plurality of first fixture blocks 17 that are provided with in axle body one side of precision axle 3, the fixed a plurality of second fixture blocks 18 that set up in one side that first fixture block 17 was kept away from to the axle body of precision axle 3, the axle body of precision axle 3 is located the position joint of first fixture block 17 and is provided with first cutting ferrule 9, the axle body of precision axle 3 is located the position joint of second fixture block 18 and is provided with second cutting ferrule 12, the both ends position of precision axle 3 all is provided with threaded rod 15, thread groove 14 has all been seted up to the intermediate position of a pair of fixed thread bush 6, thread groove 14 and the 15 mutual thread fixed cooperation of threaded rod, it is provided with a pair of limiting plate 1 to slide between the both sides of mounting bracket 7, the both sides of a pair of limiting plate 1 are the equal symmetrical fixed and are provided with a pair of

stopper

5, 7 is located the position of stopper 5 and has all seted up spacing spout 4, two pairs of stopper 5 and the mutual sliding cooperation of a plurality of spacing spout 4, assembly hole 13 has all been seted up to the intermediate position of a pair of limiting plate 1, first cutting ferrule 9 and the equal rotation of second cutting ferrule 12 sets up in a pair of fixed thread bush 13, the fixed assembly hole of fixing shaft 3.

First cutting ferrule 9 and second cutting ferrule 12 all are through bearing 8 and pilot hole 13 normal running fit, a pair of fixed thread bush 6 is close to the equal fixed retainer plate 16 that is provided with in one end position of limiting plate 1, first cutting ferrule 9 is close to the fixed driven gear 2 that is provided with of one end of second cutting ferrule 12, round hole 10 has all been seted up to the intermediate position of first cutting ferrule 9 and second cutting ferrule 12, round hole 10 and accurate axle 3 mutually support, a plurality of spacing grooves 11 have all been seted up to the position that first cutting ferrule 9 and second cutting ferrule 12 are located round hole 10, a plurality of spacing grooves 11 all cooperate with the mutual block of first fixture block 17 and second fixture block 18, a plurality of first fixture block 17 and second fixture block 18 all are the fixed setting of cross form on the axle body of accurate axle 3, a plurality of spacing grooves 11 all are the cross form and set up the inner wall at round hole 10.

The working principle is as follows: the device of this design is when using, rotate through accurate axle 3 and set up between a pair of limiting plate 1, a pair of limiting plate 1 is installed between a pair of mounting bracket 7 through the spacing sliding fit between stopper 5 and the spacing spout 4, the design of this structure has played the supplementary dismouting that has made things convenient for accurate axle 3, the fixed first fixture block 17 and the second fixture block 18 that is provided with of both sides symmetry of accurate axle 3, and first fixture block 17 and the cooperation of first cutting ferrule 9 mutual joint, the cooperation of second fixture block 18 and the mutual joint of second cutting ferrule 12, bearing 8 and limiting plate 1 rotation connection that the outside of first cutting ferrule 9 and second cutting ferrule 12 was all established through fixed cover, the both ends of accurate axle 3 all are provided with threaded rod 15, and fix accurate axle 3 between a pair of limiting plate 1 through the fixed thread bush 6 of complex with it, overall structure's design has played the fixed action that stabilizes accurate axle 3, the device of this design possesses the function that can dismantle installation fast and change accurate axle 3 when using, overall structure connection design intensity is high, connect firm, be worth promoting.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An auxiliary positioning device for a printer precision shaft comprises a precision shaft (3), an installation frame (7) and a fixed threaded sleeve (6), wherein a plurality of first clamping blocks (17) are fixedly arranged on one side of a shaft body of the precision shaft (3), a plurality of second clamping blocks (18) are fixedly arranged on one side, away from the first clamping blocks (17), of the shaft body of the precision shaft (3), a first clamping sleeve (9) is clamped and connected to the position, located on the first clamping blocks (17), of the shaft body of the precision shaft (3), a second clamping sleeve (12) is clamped and connected to the position, located on the second clamping blocks (18), of the shaft body of the precision shaft (3), threaded rods (15) are arranged at the two ends of the precision shaft (3), threaded grooves (14) are formed in the middle positions of the fixed threaded sleeve (6), and the threaded grooves (14) and the threaded rods (15) are in threaded fixed fit with each other;

slide between the both sides of mounting bracket (7) and be provided with a pair of limiting plate (1), it is a pair of the equal symmetry in both sides of limiting plate (1) is fixed and is provided with a pair of stopper (5), limiting chute (4) have all been seted up to the position that mounting bracket (7) are located two pairs of stopper (5), two pairs stopper (5) all with a plurality of limiting chute (4) sliding fit each other, it is a pair of pilot hole (13) have all been seted up to the intermediate position of limiting plate (1), first cutting ferrule (9) and second cutting ferrule (12) all rotate and set up in a pair of pilot hole (13), and are a pair of fixed thread cover (6) are fixed precision axle (3) between a pair of limiting plate (1).

2. The auxiliary positioning device for the precision shaft of the printer according to claim 1, wherein: the first clamping sleeve (9) and the second clamping sleeve (12) are rotatably matched through a bearing (8) and an assembling hole (13).

3. The auxiliary positioning device for the precision shaft of the printer according to claim 1, wherein: and one end of each pair of the fixed threaded sleeves (6) close to the limiting plate (1) is fixedly provided with a positioning ring (16).

4. The auxiliary positioning device for the precision shaft of the printer according to claim 1, wherein: one end of the first clamping sleeve (9) close to the second clamping sleeve (12) is fixedly provided with a driven gear (2).

5. The auxiliary positioning device for the precision shaft of the printer according to claim 1, wherein: round holes (10) are formed in the middle positions of the first clamping sleeve (9) and the second clamping sleeve (12), and the round holes (10) are matched with the precision shaft (3).

6. The auxiliary positioning device for the precision shaft of the printer according to claim 1, wherein: a plurality of limiting grooves (11) are formed in the positions, located in the round holes (10), of the first clamping sleeve (9) and the second clamping sleeve (12), and the limiting grooves (11) are matched with the first clamping block (17) and the second clamping block (18) in a clamped mode.

7. The auxiliary positioning device for the precision shaft of the printer according to claim 1, wherein: the first fixture blocks (17) and the second fixture blocks (18) are all fixed on the shaft body of the precision shaft (3) in a cross shape.

8. The auxiliary positioning device for the precision shaft of the printer according to claim 6, wherein: the limiting grooves (11) are arranged on the inner wall of the round hole (10) in a cross shape.