CN215360405U

CN215360405U - Printing roller switching mechanism

Info

Publication number: CN215360405U
Application number: CN202121360747.XU
Authority: CN
Inventors: 林晓鸣
Original assignee: Suzhou Huafang Printing Co ltd
Current assignee: Suzhou Huafang Printing Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-31
Anticipated expiration: 2031-06-18

Abstract

The utility model relates to the technical field of printing equipment, in particular to a printing roller switching mechanism which comprises a base, wherein retainers are vertically arranged on the left side and the right side of the top surface of the base, inverted-mountain-shaped limiting grooves are formed in the retainers in a penetrating mode, a printing roller and a pressing roller are arranged between two groups of retainers, the pressing roller is located right below a notch in the middle of each limiting groove, two ends of the pressing roller are respectively connected with the two groups of retainers in a rotating mode, the number of the printing rollers is two, the specifications of the two printing rollers are different, and two ends of the printing rollers are respectively embedded into the limiting grooves in the two groups of retainers. Two printing rollers in the utility model can slide along the limiting groove, so that the printing patterns can be adjusted by moving the positions of the printing rollers in the using process.

Description

Printing roller switching mechanism

Technical Field

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

Background

Printing machines are machines for printing text and images, modern printing machines generally consisting of plate-loading, inking, stamping, paper-feeding, etc. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred onto paper or other printing material, so that the same printed matter as that of the printing plate can be reproduced.

At present, the printing patterns and printing rollers of the cylinder printing machine are required to be replaced frequently during the use process. The existing printing roller is usually fixedly arranged on the printing machine, so that each time the printing roller is replaced, the printing roller is particularly troublesome and time-consuming, and the printing efficiency is reduced indirectly. For this reason, we propose a printing roller switching mechanism to solve the above drawbacks well.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a printing roller switching mechanism which is used for quickly replacing a printing roller, improves the working efficiency and solves the problems of trouble and time consumption in printing roller replacement in the prior art.

The above object of the present invention is achieved by the following technical solutions:

a printing roller switching mechanism comprises a base, wherein retainers are vertically arranged on the left side and the right side of the top surface of the base, inverted-mountain-shaped limiting grooves are formed in the retainers in a penetrating mode, a printing roller and a pressing roller are arranged between two groups of retainers, the pressing roller is located right below a notch in the middle of each limiting groove, two ends of each pressing roller are respectively in rotating connection with the two groups of retainers, the number of the printing rollers is two, the specifications of the two printing rollers are different, and two ends of each printing roller are respectively embedded into the limiting grooves of the two groups of retainers; the lateral wall of holder just is located a notch in the middle of the spacing groove and is equipped with the installation department under, sliding connection has the sliding part that can follow base width direction and remove on the installation department, rotate on the sliding part and be connected with and be used for the cover to establish the position sleeve at printing roller tip, the bottom side of installation department is equipped with and is used for driving the rotatory actuating mechanism of position sleeve.

Preferably, all be equipped with in the three notch of spacing groove and be the stable steel bushing of semicircle annular, the inner wall equipartition of stabilizing the steel bushing has the ball, and rotates between ball and the stable steel bushing to be connected, the cover is equipped with the axle sleeve all fixed at the both ends of printing roller, the periphery wall of axle sleeve has been seted up and has been annular embedded groove, the ball rolls the laminating with embedded groove.

Preferably, the inner wall shaping of position sleeve has the slide rail, the guide way with slide rail looks adaptation is all seted up at the both ends of printing roller.

Preferably, the installation part is provided with guide rods distributed along the width direction of the base in a penetrating manner, and one ends of the guide rods are fixedly connected with the sliding part.

Preferably, a propulsion cylinder is fixedly arranged on the outer wall of the mounting portion, and a piston rod of the propulsion cylinder penetrates through the mounting portion and is fixedly connected with the sliding portion.

Preferably, actuating mechanism is including the servo motor who is located the installation department bottom surface, servo motor's output shaft has the driving gear through the shaft coupling rigid coupling, the both ends of printing roller all overlap be equipped with the ring gear of driving gear looks adaptation.

Compared with the prior art, the utility model provides a printing roller switching mechanism, which has the following beneficial effects:

1. two printing rollers in the utility model can slide along the limiting groove, so that the printing patterns can be adjusted by moving the positions of the printing rollers in the using process, and compared with the traditional technology, the utility model has the advantages that the printing rollers can be switched conveniently and rapidly;

2. the position of the printing roller is limited by the positioning sleeve, and the positioning sleeve is pulled backwards by the propelling cylinder when the printing roller is switched, so that the steps required by switching the printing roller are further simplified, and the switching efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a printing roll according to the present invention;

FIG. 3 is a cross-sectional view of the structure of the present invention;

fig. 4 is an enlarged corresponding view of a portion a in fig. 3.

In the figure: 10. a base; 101. a holder; 102. a limiting groove; 103. an installation part; 104. a sliding part; 105. a positioning sleeve; 106. stabilizing the steel sleeve; 107. a ball bearing; 108. a slide rail; 109. a guide bar; 110. propelling the cylinder; 111. a servo motor; 112. a driving gear; 113. a ring gear; 20. a printing roller; 201. a shaft sleeve; 202. an embedded groove is formed; 203. a guide groove; 30. and a pressure roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-4, a printing roller switching mechanism includes a base 10, retainers 101 are vertically disposed on both left and right sides of a top surface of the base 10, inverted-chevron-shaped limiting grooves 102 are formed in the retainers 101, a printing roller 20 and a pressing roller 30 are disposed between two sets of retainers 101, the pressing roller 30 is located right below a notch in the middle of the limiting groove 102, and two ends of the pressing roller 30 are respectively rotatably connected with the two sets of retainers 101, specifically, the two sets of retainers 101 are rotatably connected through a bearing and a bearing seat, the number of the printing rollers 20 is two, and the specifications of the two printing rollers 20 are different, different patterns can be printed, and two ends of the printing roller 20 are respectively embedded into the limiting grooves 102 of the two sets of retainers 101; all be equipped with in the three notch of spacing groove 102 and be semicircle annular and stabilize steel bushing 106, the inner wall equipartition of stabilizing steel bushing 106 has ball 107, and ball 107 and stabilize and rotate between the steel bushing 106 and be connected, the both ends of printing roller 20 are all fixed the cover and are equipped with axle sleeve 201, the periphery wall of axle sleeve 201 has been seted up and has been annular embedded groove 202, ball 107 and embedded groove 202 roll laminating, consequently, after the both ends of printing roller 20 all embedded into spacing groove 102, but printing roller 20 free rotation.

A mounting part 103 is arranged on the outer side wall of the retainer 101 and is positioned right below a notch in the middle of the limiting groove 102, the mounting part 103 is L-shaped, a sliding part 104 capable of moving along the width direction of the base 10 is connected to the mounting part 103 in a sliding manner, a positioning sleeve 105 used for being sleeved on the end part of the printing roller 20 is connected to the sliding part 104 in a rotating manner, a sliding rail 108 is formed on the inner wall of the positioning sleeve 105, guide grooves 203 matched with the sliding rail 108 are formed in two ends of the printing roller 20, and when the positioning sleeve 105 is sleeved on the outer end of the printing roller 20, the sliding rail 108 is also embedded into the guide grooves 203; the installation part 103 is provided with guide rods 109 which are distributed along the width direction of the base 10 in a penetrating way, and one end of each guide rod 109 is fixedly connected with the sliding part 104, so that the sliding part 104 can slide along the length direction of the guide rod 109; a propulsion cylinder 110 is fixedly arranged on the outer wall of the mounting part 103, a piston rod of the propulsion cylinder 110 penetrates through the mounting part 103 and is fixedly connected with the sliding part 104, and the propulsion cylinder 110 is used for controlling the positioning sleeve 105 to be close to or far away from the printing roller 20; the bottom side of installation department 103 is equipped with the actuating mechanism who is used for driving position sleeve 105 rotatory, and actuating mechanism is including being located the servo motor 111 of installation department 103 bottom surface, and servo motor 111's output shaft has driving gear 112 through the shaft coupling rigid coupling, and the both ends of printing roller 20 all overlap and are equipped with the ring gear 113 with driving gear 112 looks adaptation, and when position sleeve 105 cover behind the outer end of printing roller 20, driving gear 112 just meshes with ring gear 113.

The working principle is as follows: the printing device comprises two printing rollers 20 with different specifications, wherein one printing roller 20 above the pressure roller 30 is in a working state, and the other printing roller is in an idle state. When the printing roller 20 needs to be switched, the positioning sleeve 105 is pulled backwards by the pushing cylinder 110 to enable the positioning sleeve 105 to be separated from the end portion of the printing roller 20, then the printing roller 20 is lifted upwards and placed into a notch of the limiting groove 102 in a free state; and then lifting one printing roller 20 which is in an idle state before and placing the printing roller into a groove opening of the limiting groove 102 in the middle, and finally controlling the positioning sleeve 105 to move by using the propulsion cylinder 110, so that the positioning sleeve 105 is just sleeved at the outer end of the printing roller 20, at the moment, the driving gear 112 and the gear ring 113 are also in a meshing state, the driving mechanism can drive the printing roller 20 to rotate through the driving gear 112 and the gear ring 113, and the whole switching work is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A printing roller switching mechanism comprises a base (10), and is characterized in that: the printing device is characterized in that retainers (101) are vertically arranged on the left side and the right side of the top surface of the base (10), inverted-mountain-shaped limiting grooves (102) are formed in the retainers (101) in a penetrating mode, a printing roller (20) and a pressing roller (30) are arranged between the two groups of retainers (101), the pressing roller (30) is located right below a notch in the middle of each limiting groove (102), two ends of each pressing roller (30) are rotatably connected with the two groups of retainers (101) respectively, the number of the printing rollers (20) is two, the specifications of the two printing rollers (20) are different, and two ends of each printing roller (20) are embedded into the limiting grooves (102) in the two groups of retainers (101) respectively; the outer side wall of holder (101) just is located a notch in the middle of spacing groove (102) and is equipped with installation department (103) under, sliding connection has sliding part (104) that can follow base (10) width direction and remove on installation department (103), rotating on sliding part (104) and being connected with and being used for the cover to establish position sleeve (105) at printing roller (20) tip, the bottom side of installation department (103) is equipped with and is used for driving the rotatory actuating mechanism of position sleeve (105).

2. The printing roller switching mechanism according to claim 1, wherein: all be equipped with in the three notch of spacing groove (102) and be semicircle annular and stabilize steel bushing (106), the inner wall equipartition of stabilizing steel bushing (106) has ball (107), and rotates between ball (107) and the stable steel bushing (106) and be connected, the both ends of printing roller (20) are all fixed the cover and are equipped with axle sleeve (201), the periphery wall of axle sleeve (201) has been seted up and has been annular inner caulking groove (202), ball (107) and inner caulking groove (202) roll laminating.

3. The printing roller switching mechanism according to claim 1, wherein: the inner wall shaping of position sleeve (105) has slide rail (108), guide way (203) with slide rail (108) looks adaptation are all seted up at the both ends of printing roller (20).

4. The printing roller switching mechanism according to claim 1, wherein: the installation portion (103) is provided with guide rods (109) distributed along the width direction of the base (10) in a penetrating mode, and one end of each guide rod (109) is fixedly connected with the sliding portion (104).

5. The printing roller switching mechanism according to claim 1, wherein: the outer wall of the mounting portion (103) is fixedly provided with a propulsion cylinder (110), and a piston rod of the propulsion cylinder (110) penetrates through the mounting portion (103) and is fixedly connected with the sliding portion (104).

6. The printing roller switching mechanism according to claim 1, wherein: actuating mechanism is including servo motor (111) that is located installation department (103) bottom surface, the output shaft of servo motor (111) has driving gear (112) through the shaft coupling rigid coupling, the both ends of printing roller (20) all overlap be equipped with ring gear (113) of driving gear (112) looks adaptation.