CN219667702U

CN219667702U - Printing roller

Info

Publication number: CN219667702U
Application number: CN202321122153.4U
Authority: CN
Inventors: 梁文宽
Original assignee: Yulin Rongfeng Printing Materials Co ltd
Current assignee: Yulin Rongfeng Printing Materials Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-09-12
Anticipated expiration: 2033-05-11

Abstract

The utility model relates to the technical field of printing rollers, in particular to a printing roller, which comprises a middle roller and an outer roller, wherein the outer roller is sleeved on the middle roller, the middle roller is of a hollow structure, and the printing roller further comprises: the two fixing assemblies are respectively arranged at two ends of the middle roller and the outer roller, and the middle roller and the outer roller are fixed through the fixing assemblies; the two connecting shafts are respectively arranged at two end positions in the middle roller; and the centering components are arranged in the middle roller, and the two connecting shafts are connected with the centering components. According to the utility model, one connecting shaft is also retracted into the middle roller through the centering assembly, so that the connecting shaft is separated from the bearing seats, and the whole printing roller is separated from the two bearing seats, therefore, the printing roller is simple and quick to disassemble, and the replacement and overhaul efficiency is improved.

Description

Printing roller

Technical Field

The utility model relates to the technical field of printing rollers, in particular to a printing roller.

Background

A machine for printing text and images. Modern printers typically consist of mechanisms such as plate loading, inking, stamping, paper feeding (including folding). The working principle of the device is as follows: the characters and images to be printed are first made into printing plate, then installed on the printer, and the ink is then applied to the places with characters and images on the printing plate by means of manual or printer, and then transferred directly or indirectly onto paper or other printing stock, so that the same printed matter as the printing plate can be copied.

The existing printing roller has extremely low commonality, and in general, when overhauling, the bearing seat needs to be disassembled to disassemble the printing roller, so that the operation process is complex and time-consuming, and thus too much time is consumed.

Disclosure of Invention

Based on the above mentioned deficiencies of the prior art in the background art, the present utility model provides a printing roller therefor.

The utility model adopts the following technical scheme to overcome the technical problems, and specifically comprises the following steps:

the utility model provides a printing roller, includes intermediate roll and outer roller, outer roller cover is established on intermediate roll, intermediate roll is hollow structure, still includes:

the two fixing assemblies are respectively arranged at two ends of the middle roller and the outer roller, and the middle roller and the outer roller are fixed through the fixing assemblies;

the two connecting shafts are respectively arranged at two end positions in the middle roller;

and the centering components are arranged in the middle roller, the two connecting shafts are connected with the centering components, and the two connecting shafts synchronously move in a straight line with opposite movement directions through the centering components.

As still further aspects of the utility model: the fixing assembly comprises a plurality of first locking bolts and a circular connecting plate, a plurality of second counter bore grooves which are distributed annularly around the center of the connecting plate in an equidistance manner are formed in the annular surface of the connecting plate, the first locking bolts are respectively arranged in the second counter bore grooves, a plurality of bolt holes which are distributed annularly around the center of the connecting plate in an equidistance manner are formed in the two ends of the middle roller and the two ends of the outer roller, and the first locking bolts are connected in the bolt holes through threads.

As still further aspects of the utility model: the centering assembly comprises a supporting frame, a centering mechanism and two guide posts, wherein the supporting frame is arranged in the middle roller, first guide holes are formed in two ends of the supporting frame, the guide posts are slidably arranged in the first guide holes, the centering mechanism is arranged in the supporting frame, the two guide posts are connected with the centering mechanism, and the two connecting shafts are respectively fixed with the two guide posts.

As still further aspects of the utility model: the centering mechanism comprises two toothed plates and a gear, wherein the central shaft of the gear is rotatably arranged at the middle position of the supporting frame, a reset component is jointly connected between the toothed plates and the supporting frame, two guide posts are respectively fixed with the two toothed plates, and the toothed plates are respectively in central symmetry with the gear.

As still further aspects of the utility model: the reset assembly comprises a guide square rod and springs, one ends of the guide square rods are respectively fixed on two ends of the supporting frame, the outer wall of the toothed plate is slidably sleeved on the guide square rod, the springs are sleeved on the guide square rod, and two ends of each spring are respectively contacted with the toothed plate and the supporting frame.

As still further aspects of the utility model: the middle roller is provided with a plurality of first counter bore grooves, a second locking bolt is arranged in each first counter bore groove, the support frame is provided with a plurality of threaded holes, and the second locking bolt is connected in the threaded holes through threads.

As still further aspects of the utility model: and a key slot is formed in the connecting shaft.

After adopting the structure, compared with the prior art, the utility model has the following advantages: one of the connecting shafts is also retracted into the middle roller through the centering assembly, so that the connecting shaft is separated from the bearing seats, and the whole printing roller is separated from the two bearing seats, so that the printing roller is simple and quick to disassemble, and the replacement and overhaul efficiency is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 2.

Fig. 3 is a schematic view of the internal structure of the intermediate roll of the present utility model.

Fig. 4 is an enlarged schematic view of the structure at B of fig. 3.

In the figure: 1. an outer roller; 2. an intermediate roller; 3. a connecting plate; 4. a first locking bolt; 5. a connecting shaft; 6. a key slot; 7. a guide post; 8. a toothed plate; 9. a spring; 10. a guide square rod; 11. a second locking bolt; 12. a first counterbore groove; 13. a support frame; 14. bolt holes; 15. a gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in an embodiment of the present utility model, a printing roller includes a middle roller 2 and an outer roller 1, the outer roller 1 is sleeved on the middle roller 2, the middle roller 2 is of a hollow structure, and further includes:

the two fixing components are respectively arranged at two ends of the middle roller 2 and the outer roller 1, and the middle roller 2 and the outer roller 1 are fixed through the fixing components;

specifically, the fixed subassembly includes a plurality of first locking bolts 4 and a connecting plate 3 that is the ring form, a plurality of second counter bore grooves that are equidistant annular distribution around its center pin are offered on the anchor ring of connecting plate 3, a plurality of first locking bolts 4 set up respectively in each second counter bore groove, a plurality of bolt holes 14 that are equidistant annular distribution around its center pin are all offered on the both ends of intermediate roll 2 and the both ends of outer roll 1, first locking bolt 4 passes through threaded connection in bolt hole 14, through the connection relation that above-mentioned, a plurality of first locking bolts 4 pass in each second counter bore groove and install in intermediate roll 2 and the bolt hole 14 of outer roll 1, thereby make intermediate roll 2 and outer roll 1 mutually fixed.

Two connecting shafts 5 for connecting to bearings, the two connecting shafts 5 being provided at both end positions in the intermediate roller 2, respectively;

and the centering assembly is arranged in the middle roller 2, two connecting shafts 5 are connected with the centering assembly, and the two connecting shafts 5 synchronously move in a straight line with opposite movement directions through the centering assembly.

Specifically, centering subassembly includes support frame 13, centering mechanism and two guide posts 7, support frame 13 sets up in intermediate roll 2, first guiding hole has all been seted up at the both ends of support frame 13, guide post 7 slides and sets up in first guiding hole, centering mechanism sets up in support frame 13, two guide posts 7 all are connected with centering mechanism, two connecting axle 5 are fixed with two guide posts 7 respectively, centering mechanism includes two pinion rack 8 and a gear 15, the center pin rotation of gear 15 is installed in the intermediate position department of support frame 13, be connected with reset assembly jointly between pinion rack 8 and the support frame 13, two guide posts 7 are fixed mutually with two pinion rack 8 respectively, pinion rack 8 is central symmetry respectively, reset assembly includes direction square 10 and spring 9, the one end of two direction square 10 is fixed respectively on the both ends of support frame 13, the outer wall slip cap of pinion rack 8 is established on direction square 10, the cover is equipped with spring 9 on direction square 10, the both ends of spring 9 contact with pinion rack 8 and support frame 13 respectively, can dismantle through above-mentioned connection, when carrying out the axle bearing frame 5 is connected to the bearing frame 5 through the rotation, thereby can be broken away from the printing roller 5 in the direction of movement is realized to two, and the intermediate roll 5 is connected to the roll 5, thereby can be removed from the direct line roll 5, and the printing roll 5 is moved, and is moved in the direction 5, and is removed, thereby, the printing roll is moved in the direction 5, and is easy to be removed, and is moved in the line, and is moved in the roller 5.

Specifically, a plurality of first counter bore grooves 12 are formed in the intermediate roller 2, a second locking bolt 11 is arranged in the first counter bore grooves 12, a plurality of threaded holes are formed in the supporting frame 13, the second locking bolt 11 is connected in the threaded holes through threads, and according to the connection relation, the second locking bolt 11 penetrates through the first counter bore grooves 12 and is connected in the threaded holes through threads, so that the intermediate roller 2 is fixed with the supporting frame 13.

Specifically, the connecting shaft 5 is provided with a key groove 6.

Working principle: when dismantling, one connecting shaft 5 is pressed into the middle roller 2, the connecting shaft 5 drives the toothed plates 8 to linearly move through the guide posts 7, the springs 9 are compressed, the two toothed plates 8 synchronously linearly move in the moving direction through the gears 15, and at the moment, the other connecting shaft 5 is also retracted into the middle roller 2, so that the connecting shaft 5 is separated from the bearing seats, and the whole printing roller is separated from the two bearing seats.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

Claims

1. The utility model provides a printing roller, includes intermediate roll (2) and outer roller (1), its characterized in that, outer roller (1) cover is established on intermediate roll (2), intermediate roll (2) are hollow structure, still includes:

the two fixing assemblies are respectively arranged at two ends of the middle roller (2) and the outer roller (1), and the middle roller (2) and the outer roller (1) are fixed through the fixing assemblies;

the two connecting shafts (5), the two connecting shafts (5) are respectively arranged at two end positions in the middle roller (2);

and the centering components are arranged in the middle roller (2), two connecting shafts (5) are connected with the centering components, and the two connecting shafts (5) synchronously move in a straight line with opposite movement directions through the centering components.

2. The printing roller according to claim 1, wherein the fixing assembly comprises a plurality of first locking bolts (4) and a circular connecting plate (3), a plurality of second counter bore grooves which are distributed annularly around the center of the connecting plate (3) in an equidistant mode are formed in the annular surface of the connecting plate, the plurality of first locking bolts (4) are respectively arranged in the second counter bore grooves, a plurality of bolt holes (14) which are distributed annularly around the center of the connecting plate in an equidistant mode are formed in both ends of the middle roller (2) and both ends of the outer roller (1), and the first locking bolts (4) are connected in the bolt holes (14) through threads.

3. A printing roller according to claim 1, characterized in that the centering assembly comprises a supporting frame (13), a centering mechanism and two guide posts (7), wherein the supporting frame (13) is arranged in the middle roller (2), first guide holes are formed in two ends of the supporting frame (13), the guide posts (7) are slidably arranged in the first guide holes, the centering mechanism is arranged in the supporting frame (13), two guide posts (7) are connected with the centering mechanism, and two connecting shafts (5) are respectively fixed with the two guide posts (7).

4. A printing roller according to claim 3, wherein the centering mechanism comprises two toothed plates (8) and a gear (15), a central shaft of the gear (15) is rotatably mounted at a middle position of the supporting frame (13), a reset component is commonly connected between the toothed plates (8) and the supporting frame (13), two guide posts (7) are respectively fixed with the two toothed plates (8), and the toothed plates (8) are respectively symmetrical with the gear (15) in center.

5. The printing roller according to claim 4, wherein the reset assembly comprises a guide square rod (10) and springs (9), one ends of the two guide square rods (10) are respectively fixed on two ends of the supporting frame (13), the outer wall of the toothed plate (8) is slidably sleeved on the guide square rod (10), the springs (9) are sleeved on the guide square rod (10), and two ends of each spring (9) are respectively contacted with the toothed plate (8) and the supporting frame (13).

6. A printing roller according to claim 3, wherein the intermediate roller (2) is provided with a plurality of first countersink grooves (12), the first countersink grooves (12) are internally provided with second locking bolts (11), the support frame (13) is provided with a plurality of threaded holes, and the second locking bolts (11) are connected in the threaded holes through threads.

7. A printing roller according to claim 1, characterized in that the connecting shaft (5) is provided with keyways (6).