CN220429633U

CN220429633U - Printing roller changing mechanism for printing device

Info

Publication number: CN220429633U
Application number: CN202321756814.9U
Authority: CN
Inventors: 李莉; 熊春霞
Original assignee: Wuhan Demei Printing Co ltd
Current assignee: Wuhan Demei Printing Co ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2024-02-02
Anticipated expiration: 2033-07-05

Abstract

The utility model relates to the technical field of printers, and discloses a printing roll changing mechanism for a printing device, which solves the technical problems that a roll shaft fixing mechanism can change a printing roll body, but two screws are required to be rotated in sequence, two upper pressing blocks are required to be adjusted in sequence, and the changing speed is low; the printing machine comprises a rectangular shell and a printing roller body, wherein a forward and reverse rotating motor is fixedly arranged in the rectangular shell, an output shaft of the forward and reverse rotating motor is fixedly connected with a first supporting block, one side of the first supporting block is provided with a large first square groove, the inside of the rectangular shell is rotationally connected with a screw rod, one end of the screw rod is fixedly provided with a first square rod, and the first square rod is in clamping connection with the first square groove; according to the utility model, the lead screw is driven by the forward and reverse rotation motor, and the lead screw can convert rotary motion into linear motion of the sliding block through the threaded sleeve, so that the distance between the two second supporting blocks can be increased, and the printing roller body can be conveniently placed between the two second supporting blocks.

Description

Printing roller changing mechanism for printing device

Technical Field

The utility model relates to the technical field of printers, in particular to a printing roll changing mechanism for a printing device.

Background

The printing machine is a machine for printing characters and images, the modern printing machine generally consists of mechanisms such as plate filling, inking, embossing, paper feeding (including folding) and the like, the utility model and development of the printing machine play an important role in the spread of human civilization and culture, and the printing roller is one of accessories of the offset printing machine;

according to the ceramic decal printing equipment convenient to change printing roller that chinese patent authorized publication number CN219007381U provided, "can change dress to the printing roller body through roller fixed establishment, but need rotate two screws in proper order, adjust two upper briquetting in proper order, the activity of changing dress of printing roller can be carried out to the side, change dress speed is slow, relatively consume the manpower, and the distance between two roller fixed establishment is unadjustable, is difficult to be applicable to the printing roller of different length and uses, and the flexibility is poor.

Disclosure of Invention

The utility model provides a printing roll changing mechanism for a printing device, which solves the technical problems that a roll shaft fixing mechanism can change a printing roll body, but two screws are required to be sequentially rotated, two upper pressing blocks are required to be sequentially adjusted, and the changing speed is low.

In order to solve the technical problems, the printing roll changing mechanism for the printing device comprises a rectangular shell and a printing roll body, wherein a forward and reverse rotating motor is fixedly arranged in the rectangular shell, an output shaft of the forward and reverse rotating motor is fixedly connected with a first supporting block, one side of the first supporting block is provided with a large first square groove, the inside of the rectangular shell is rotationally connected with a screw rod, one end of the screw rod is fixedly provided with a first square rod, the first square rod is in clamping connection with the first square groove, the screw rod is in threaded connection with a sliding block through a threaded sleeve, a limiting plate is fixedly arranged at the bottom end of the sliding block, two sides of the bottom end of the rectangular shell are fixedly provided with vertical plates, one top of the vertical plates and the bottom of the limiting plate are respectively and rotationally connected with a supporting shaft, one end of each supporting shaft is fixedly provided with a second supporting block, one side of each second supporting block is provided with a second square groove, and two ends of the printing roll body are respectively and fixedly provided with a second square rod.

Preferably, a gear motor is installed at the top of one side of one of the vertical plates, an output shaft of the gear motor is fixedly connected with the other end of one of the supporting shafts, and the two supporting shafts are coaxial.

Preferably, the bottom of the forward and backward rotating motor and one side of the gear motor are fixedly provided with mounting plates, and the two mounting plates are fixedly connected with the inner wall of one side of the bottom end of the rectangular shell and the top of one side of one of the vertical plates through bolts respectively.

Preferably, the front of rectangle shell is through screw fixedly connected with access cover board, the board groove has been seted up to the bottom of rectangle shell, limiting plate and board groove sliding connection.

Preferably, a partition plate is fixedly arranged in the rectangular shell, one end of the screw rod is rotationally connected with the middle part of the partition plate, and the other end of the screw rod is rotationally connected with the inner wall on one side of the rectangular shell.

Preferably, the bottom ends of the two vertical plates are fixedly provided with positioning plates, the surfaces of the two positioning plates are provided with two positioning holes, and the apertures of the four positioning holes are equal.

Compared with the related art, the utility model has the beneficial effects that:

the utility model provides a printing roll changing mechanism for a printing device, which is characterized in that a screw rod is driven by a forward and reverse rotation motor, the screw rod can convert rotary motion into linear motion of a sliding block through a thread sleeve, the sliding block can drive a limiting plate to move, the distance between two second supporting blocks can be increased, a printing roll body can be conveniently placed between the two second supporting blocks, the screw rod is reversely driven by the forward and reverse rotation motor, the limiting plate can be driven by the sliding block to reversely move, the distance between the two second supporting blocks can be shortened, the two second supporting blocks can be respectively sleeved on two second square rods through two second square grooves, the two ends of the printing roll body can be limited, the printing roll body can be conveniently and rapidly fixedly installed, the changing speed of the printing roll body is improved, and the manpower is saved;

in the moving process of the limiting plate, the distance between the two second supporting blocks is adjusted, the limiting plate can be suitable for printing roller bodies of different lengths, the flexibility is good, torque transmission of a gear motor can be guaranteed through clamping the second square rod with the second square groove of the second supporting block, the screw rod is conveniently connected with a forward and reverse motor through clamping the first square rod at one end of the screw rod with the first square groove of the first supporting block, and torque transmission of the forward and reverse motor can be guaranteed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model A;

fig. 4 is an enlarged schematic view of the structure of the present utility model at B.

Reference numerals in the drawings: 1. a rectangular shell; 2. a forward and reverse rotation motor; 3. a screw rod; 4. a slide block; 5. a limiting plate; 6. a plate groove; 7. a partition plate; 8. a mounting plate; 9. a first support block; 10. a first square groove; 11. a first square bar; 12. an access panel; 13. a vertical plate; 14. a positioning plate; 15. a speed reducing motor; 16. a support shaft; 17. a second support block; 18. a second square groove; 19. a second square bar; 20. printing a roller body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; 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. 1-4, a printing roll changing mechanism for a printing device comprises a rectangular shell 1 and a printing roll body 20, wherein a forward and reverse rotation motor 2 is fixedly arranged in the rectangular shell 1, an output shaft of the forward and reverse rotation motor 2 is fixedly connected with a first supporting block 9, one side of the first supporting block 9 is provided with a large first square groove 10, the inside of the rectangular shell 1 is rotationally connected with a screw rod 3, one end of the screw rod 3 is fixedly provided with a first square rod 11, the first square rod 11 is in clamping connection with the first square groove 10, the screw rod 3 is in threaded connection with a sliding block 4 through a threaded sleeve, the bottom end of the sliding block 4 is fixedly provided with a limiting plate 5, two sides of the bottom end of the rectangular shell 1 are fixedly provided with vertical plates 13, the top of one vertical plate 13 and the bottom of the limiting plate 5 are rotationally connected with supporting shafts 16, one ends of the two supporting shafts 16 are fixedly provided with second supporting blocks 17, one side of the two second supporting blocks 17 is provided with a second square groove 18, the printing roller 20's both ends are all fixed and are equipped with second square pole 19, two second square poles 19 respectively with two second square grooves 18 block connection, through just reversing motor 2 drive lead screw 3, lead screw 3 can be with rotary motion conversion into slider 4's rectilinear motion through the thread bush, slider 4 can drive limiting plate 5 and remove, the distance between two second supporting shoe 17 of multiplicable, be convenient for place printing roller 20 between two second supporting shoe 17, through reversing motor 2 reverse drive lead screw 3, slider 4 can drive limiting plate 5 reverse movement, can shorten the distance between two second supporting shoe 17, can be through two second square grooves 18 with two second supporting shoe 17 cover respectively on two second square poles 19, can be to printing roller 20's both ends spacing, be convenient for quick fixed mounting printing roller 20.

Referring to fig. 2, a gear motor 15 is mounted on the top of one side of one of the vertical plates 13, an output shaft of the gear motor 15 is fixedly connected with the other end of one of the support shafts 16, the two support shafts 16 are coaxial, and one of the support shafts 16 is driven by the gear motor 15 to drive the printing roller body 20 to rotate.

Referring to fig. 2, the bottom end of the forward and backward rotating motor 2 and one side of the gear motor 15 are fixedly provided with mounting plates 8, the two mounting plates 8 are fixedly connected with the inner wall of one side of the bottom end of the rectangular shell 1 and the top of one side of one of the vertical plates 13 respectively through bolts, and the forward and backward rotating motor 2 and the gear motor 15 can be mounted and dismounted through the mounting plates 8.

Referring to fig. 1 and 2, the front side of the rectangular shell 1 is fixedly connected with an access cover plate 12 through screws, the bottom end of the rectangular shell 1 is provided with a plate groove 6, a limiting plate 5 is slidably connected with the plate groove 6, the interior of the rectangular shell 1 can be maintained by opening the access cover plate 12, the limiting plate 5 can be guided through the plate groove 6, and the horizontal movement of the limiting plate 5 can be ensured.

Referring to fig. 2 and 3, a partition 7 is fixedly arranged in the rectangular shell 1, one end of the screw rod 3 is rotationally connected with the middle of the partition 7, the other end of the screw rod 3 is rotationally connected with the inner wall on one side of the rectangular shell 1, and the two ends of the screw rod 3 can be supported through the rectangular shell 1 and the partition 7, so that the firmness of the screw rod 3 can be ensured.

Referring to fig. 1, positioning plates 14 are fixedly arranged at the bottom ends of two vertical plates 13, two positioning holes are formed in the surfaces of the two positioning plates 14, the apertures of the four positioning holes are equal, the vertical plates 13 can be fixedly installed through the positioning holes of the positioning plates 14, and the firmness of the rectangular shell 1 can be ensured.

In summary, in the utility model, the staff drives one of the support shafts 16 through the gear motor 15, because the second square rod 19 is clamped with the second square groove 18 of the second support block 17, the torque transmission of the gear motor 15 can be ensured, the printing roller body 20 can be driven to rotate, the printing roller body 20 can perform printing activity, when the printing roller body 20 needs to be replaced, the staff firstly drives the screw rod 3 through the forward and reverse motor 2, the screw rod 3 can convert the rotary motion into the linear motion of the sliding block 4 through the thread sleeve, the sliding block 4 can drive the limiting plate 5 to move, the distance between the two second support blocks 17 can be increased, the printing roller body 20 can be removed, then the printing roller body 20 which needs to be replaced is placed between the two second support blocks 17, the lead screw 3 is reversely driven by the forward and reverse rotation motor 2, the sliding block 4 can drive the limiting plate 5 to reversely move, the distance between the two second supporting blocks 17 can be shortened, the two second supporting blocks 17 are respectively sleeved on the two second square rods 19, the two ends of the printing roller body 20 can be limited, the printing roller body 20 is convenient and quick to replace and assemble, the printing roller body 20 with different lengths can be used by adjusting the distance between the two second supporting blocks 17, the printing roller body has good flexibility, and in the process, the first square rods 11 at one end of the lead screw 3 are clamped with the first square grooves 10 of the first supporting blocks 9, so that torque transmission of the forward and reverse rotation motor 2 can be guaranteed, and the forward and reverse rotation motor 2 is convenient to disassemble.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The utility model provides a printing is printing roll change dress mechanism for printing device, includes rectangle shell (1) and printing roll body (20), its characterized in that: the inside of rectangle shell (1) is fixed and is equipped with positive and negative rotation motor (2), positive and negative rotation motor's output shaft fixedly connected with first supporting shoe (9), big first square groove (10) have been seted up to one side of first supporting shoe (9), the inside rotation of rectangle shell (1) is connected with lead screw (3), the one end of lead screw (3) is fixed and is equipped with first square pole (11), first square pole (11) are connected with first square groove (10) block, lead screw (3) have slider (4) through thread bush threaded connection, the bottom mounting of slider (4) is equipped with limiting plate (5), the both sides of rectangle shell (1) bottom are all fixed and are equipped with riser (13), one of them the top of riser (13) and the bottom of limiting plate (5) are all rotated and are connected with back shaft (16), two the one end of back shaft (16) is all fixed and is equipped with second supporting shoe (17), two second square groove (18) have all been seted up to one side of second supporting shoe (17), two square poles (19) are connected with second square pole (19) respectively.

2. Printing roll changing mechanism for printing device according to claim 1, characterized in that one of the vertical plates (13) is provided with a gear motor (15) at the top of one side, the output shaft of the gear motor (15) is fixedly connected with the other end of one of the support shafts (16), and the two support shafts (16) are coaxial.

3. The printing roll changing mechanism for the printing device according to claim 2, wherein the mounting plates (8) are fixedly arranged at the bottom end of the forward and backward rotating motor (2) and one side of the speed reducing motor (15), and the two mounting plates (8) are fixedly connected with the inner wall at the bottom end side of the rectangular shell (1) and the top at one side of one of the vertical plates (13) through bolts respectively.

4. The printing roll changing mechanism for the printing device according to claim 1, wherein the front surface of the rectangular shell (1) is fixedly connected with an access cover plate (12) through screws, a plate groove (6) is formed in the bottom end of the rectangular shell (1), and the limiting plate (5) is slidably connected with the plate groove (6).

5. The printing roll changing mechanism for the printing device according to claim 1, wherein a partition plate (7) is fixedly arranged in the rectangular shell (1), one end of the screw rod (3) is rotatably connected with the middle part of the partition plate (7), and the other end of the screw rod (3) is rotatably connected with the inner wall of one side of the rectangular shell (1).

6. The printing roll changing mechanism for the printing device according to claim 1, wherein positioning plates (14) are fixedly arranged at the bottom ends of the two vertical plates (13), two positioning holes are formed in the surfaces of the two positioning plates (14), and the diameters of the four positioning holes are equal.