Mounting assembly of printing cylinder

Abstract

The utility model relates to an installation assembly of a printing cylinder, which belongs to the technical field of printing machine cylinder installation and solves the problem of poor stability of the printing cylinder in the prior art, the installation assembly comprises an installation base and the printing cylinder assembled on the installation base, the installation base is connected with a cover plate, and a gap is arranged between the cover plate and the installation base. Paper penetrates through the gap to be printed through the printing cylinder, the printing cylinder is installed on the side wall of the installation base through the connecting piece, the connecting groove is formed in the side wall of the connecting piece, the stability of the connecting piece is guaranteed through the connecting groove, and therefore the stability of the printing cylinder is guaranteed. The stabilizing piece comprises a fixing part and a blocking piece arranged on the inner wall of the fixing part, a fixing groove is formed in the rotating shaft of the printing cylinder, and the stability of the printing cylinder is further guaranteed through limiting fit between the blocking piece and the fixing groove.

Description

Technical Field

[0001] The utility model relates to the technical field of printing machine roller installation, in particular to a printing roller installation component. Background Art

[0002] A printing roller is a roller-type structure used in large printing presses for printing ink. The printing roller is installed on the printing press through a mounting assembly and is driven by power to rotate in the printing press to achieve the purpose of ink printing. Therefore, the mounting assembly of the printing roller is an essential structure for assembling the printing roller on the printing press. The installation of the printing roller in the printing press is achieved through this structure, which facilitates the assembly and use of the printing press.

[0003] There are various components used to install the printing roller in the prior art. For example, Chinese invention patent CN112373174A discloses a relief printing machine, which includes a bottom plate and a stamping assembly, etc. The stamping assembly includes a first support plate, and a stamping roller, a printing plate and an anilox roller are arranged between the first support plates. The ink is transferred to the printing plate by the anilox roller. The printing material passes between the stamping roller and the printing plate, and the ink on the printing plate is transferred to the printing material by the stamping roller, so as to realize the printing function of the relief printing machine. The printing plate and the anilox roller are respectively installed with a first motor and a second motor at one end, and the first motor and the second motor are installed on the same side of the same first support plate. The printing plate and the anilox roller are driven to rotate by the first motor and the second motor, so that the anilox roller can transfer the ink to the printing plate. Although the above-mentioned printing machine can squeeze out the ink by the stamping roller to realize printing, the above-mentioned stamping roller, the printing plate and the anilox roller still have great inconvenience in actual use.

[0004] The roller in the above-mentioned printing machine is rotatably mounted on the support plate via a rotating shaft, and the roller is driven to rotate by a motor. After the roller has been used for a long time, both ends of the roller are prone to loosen, causing the roller to move along its length, resulting in poor installation stability of the roller and causing problems such as reduced printing quality. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and invention title of this application to avoid blurring the purpose of this section, specification abstract and invention title, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In order to solve the technical problem of poor installation stability of the printing roller in the prior art, the utility model adopts the following technical solution.

[0007] A printing roller installation assembly includes a connecting body, which is used to install the printing roller. The connecting body includes a mounting base and a cover plate connected to the surface of the mounting base, and there is a gap between the cover plate and the mounting base. The printing roller is assembled on the side wall of the mounting base through a rotating shaft, and a fixing hole is provided on the side wall of the mounting base, and a connecting piece is connected to the side wall of the mounting base through the fixing hole. The rotating shaft of the printing roller is rotatably assembled on the connecting piece, and a connecting groove is provided on the side wall of the connecting piece. The printing roller is limited by the cooperation between the connecting groove and the side wall of the mounting base.

[0008] Preferably, in the above-mentioned printing roller installation assembly, a stabilizing member is connected to the side wall of the installation base, and a fixing groove is provided on the rotating shaft of the printing roller, and the printing roller is limited by the mutual cooperation between the stabilizing member and the fixing groove.

[0009] Preferably, in the above-mentioned installation assembly of the printing roller, the stabilizing member includes a fixing portion and a connecting portion, the connecting portion and the fixing portion are fixedly connected, the stabilizing member is assembled on the side wall of the mounting base through the connecting portion, and blocking members are circumferentially distributed on the inner wall of the fixing portion, and the end of the blocking member enters into the fixing groove to limit the rotating shaft of the printing roller.

[0010] Preferably, the printing roller installation assembly further comprises an auxiliary roller, which is located at one side of the printing roller, and the cover plate is provided with an opening, through which the outer edge of the auxiliary roller extends into the gap between the cover plate and the installation base.

[0011] Preferably, the above-mentioned printing roller installation assembly also includes a power mechanism for driving the printing roller and the auxiliary roller to rotate, the power mechanism drives the printing roller and the auxiliary roller to rotate, the rotation of the auxiliary roller drives the paper to move through friction, and the printing roller rotates to print the paper.

[0012] Preferably, in the above-mentioned printing roller installation assembly, the power mechanism includes a driving gear installed at the end of the printing roller and a driven gear installed at the end of the auxiliary roller, the driving gear and the driven gear are meshed, and the rotation of the driving gear drives the driven gear to rotate through the meshing action of the gears. The rotation of the driving gear is used to drive the printing roller to rotate, and the rotation of the driven gear is used to drive the auxiliary roller to rotate.

[0013] Preferably, in the above-mentioned printing roller installation assembly, the power mechanism also includes a worm gear assembly for driving the driving gear to rotate, the turbine in the worm gear assembly is meshed with the driving gear, and the worm in the worm gear assembly is rotated by the motor to drive the turbine to rotate and then drive the driving gear to rotate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The installation assembly in the utility model is used to assemble the printing roller. A connecting piece is connected to the rotating shaft of the printing roller. A connecting groove is provided on the side wall of the connecting piece. The connecting piece is limited and fixed between the connecting groove and the side wall of the mounting base in the installation assembly, thereby ensuring the stability of the printing roller and the mounting base, avoiding the printing roller from moving along its length direction, thereby ensuring the stability of the printing roller and the mounting base.

[0016] 2. A stabilizing member is also provided on the installation assembly in the utility model. The stabilizing member is connected to the side wall of the installation base, and the stabilizing member includes a fixing portion, and trapezoidal sheet-shaped blocking members are distributed on the inner wall of the fixing portion. A fixing groove is provided on the rotating shaft of the printing roller. After the printing roller is assembled, the rotating shaft extends out of the outer side wall of the installation base, and the end of the blocking member on the fixing portion enters the fixing groove. The fixing groove is limited by the blocking member to ensure a stable assembly effect between the printing roller and the installation base. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the installation assembly of the printing roller in the utility model;

[0018] Figure 2 for Figure 1 Side view of

[0019] Figure 3 for Figure 1 Schematic diagram of the disassembly structure of the cover plate and the mounting base in the middle mounting assembly;

[0020] Figure 4 for Figure 3 A schematic diagram of the structure of the mounting base from another perspective;

[0021] Figure 5 for Figure 4 Schematic diagram of the local structure in;

[0022] Figure 6 for Figure 4 Schematic diagram of the split structure of the mounting base and the stabilizing member;

[0023] Figure 7 It is a structural schematic diagram of the printing roller in the utility model;

[0024] Figure 8 for Figure 7 Schematic diagram of the assembly structure of the printing cylinder and the connecting parts;

[0025] Fig. 9 It is a side view of the connecting piece in the utility model;

[0026] Fig.10 It is a structural schematic diagram of the stabilizing member in the utility model.

[0027] The correspondence between the figure labels and the component names in the drawings is as follows.

[0028] 100, connecting body; 200, stabilizing member;

[0029] 101. mounting base; 102. cover plate; 103. printing roller; 104. auxiliary roller; 105. driving gear; 106. driven gear; 107. connecting piece;

[0030] 201, fixing portion; 202, connecting portion;

[0031] 103a, fixing groove; 107a, connecting groove; 201a, blocking member. DETAILED DESCRIPTION

[0032] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0034] like Figure 1-3 As shown, it is a structural schematic diagram of the installation assembly of the printing roller in this embodiment. The installation assembly in this embodiment includes a connecting body 100, and a printing roller 103 is installed in the connecting body 100. The printing roller 103 rotates in the connecting body 100 to achieve the printing purpose.

[0035] In this embodiment, the connecting body 100 includes a mounting base 101, and the mounting base 101 is a U-shaped frame structure with an open surface. In this embodiment, a cover plate 102 is connected to the surface of the mounting base 101, and a gap is provided between the cover plate 102 and the mounting base 101 for paper to pass through. Figure 2 As shown, the paper enters the installation assembly from the paper feed end and is output from the paper output end. In this embodiment, a printing roller 103 is arranged on one side of the paper feed end in the installation assembly, and the printing roller 103 rotates to achieve the purpose of printing. In addition, as shown in FIG. Figure 4As shown, an auxiliary roller 104 is provided on the mounting base 101 on the other side of the printing roller 103, and the auxiliary roller 104 is located above the cover plate 102. In this embodiment, an opening is provided on the cover plate 102, and the outer edge of the auxiliary roller 104 passes through the opening and extends into the gap between the cover plate 102 and the mounting base 101 to press against the surface of the paper. In this embodiment, the auxiliary roller 104 rotates and rubs against the paper to drive the paper into the mounting assembly so that the printing roller 103 rotates to achieve the purpose of printing.

[0036] like Figure 1 as well as Figure 2 As shown, the installation assembly in this embodiment also includes a power mechanism for driving the printing roller 103 and the auxiliary roller 104 to rotate. The power mechanism includes a driving gear 105 and a driven gear 106 installed on the side wall of the installation base 101. The driving gear 105 and the driven gear 106 are meshed by gears. The driven gear 106 can be driven to rotate by rotating the driving gear 105. In this embodiment, the power mechanism also includes a worm gear assembly for driving the driving gear 105 to rotate. In this embodiment, the worm gear assembly includes a worm and a turbine meshed with the worm. The worm is connected to the motor and driven to rotate by the motor. When the worm rotates, the turbine is driven to rotate. In this embodiment, the driving gear 105 and the turbine are meshed. The wheels are meshed, and the rotation of the turbine can drive the driving gear 105 to rotate. In this embodiment, the end of the printing cylinder 103 is connected to the driving gear 105 through a rotating shaft, and the rotation of the driving gear 105 can drive the printing cylinder 103 to rotate. In addition, the end of the auxiliary roller 104 is connected to the driven gear 106 through a rotating shaft. When the driving gear 105 rotates and drives the driven gear 106 to rotate, the auxiliary roller 104 can be driven to rotate. In this embodiment, the driving gear 105 is driven to rotate by the worm gear assembly, and then the driven gear 106 is driven to rotate. The driven gear 106 rotates to drive the auxiliary roller 104 to rotate and then drive the paper to move. The driving gear 105 rotates to drive the printing cylinder 103 to rotate to print the paper.

[0037] like Figures 4 to 9 As shown, in this embodiment, in order to ensure the stability of the assembly of the printing roller 103, in this embodiment, a connecting member 107 is connected to the rotating shaft at one end of the printing roller 103, and the connecting member 107 is clamped on the side wall of the mounting base 101 so as to realize the stable rotation of the printing roller 103 and the side wall of the mounting base 101. In this embodiment, as shown in FIG. Figure 7 as well as Figure 8 As shown, a fixing hole is opened on the side wall of the mounting base 101, and a connecting member 107 is connected to the side wall of the mounting base 101 through the fixing hole. In this embodiment, the rotating shaft of the printing roller 103 is rotatably connected to the connecting member 107. Figure 8As shown, in this embodiment, a connecting groove 107a is opened on the side wall of the connecting member 107, and the connecting member 107 is clamped on the fixing hole of the side wall of the mounting base 101 through the connecting groove 107a. Due to the clamping between the connecting groove 107a and the fixing hole, the stability between the connecting member 107 and the side wall of the mounting base 101 is guaranteed. When the rotating shaft of the printing roller 103 is installed on the connecting member 107, the stability of the printing roller 103 is better. The mutual cooperation between the connecting groove 107a and the fixing hole ensures the stability between the printing roller 103 and the mounting base 101, thereby avoiding the problem of the printing roller 103 moving along its length direction due to looseness after long-term use.

[0038] like Figure 5 as well as Fig.10 As shown, in order to further ensure the stability of the assembly between the printing roller 103 and the mounting base 101, the mounting assembly in this embodiment also includes a stabilizing member 200. The stabilizing member 200 is mounted on the side wall of the mounting base 101 to stabilize the rotating shaft of the printing roller 103, thereby further ensuring the stabilizing effect of the printing roller 103.

[0039] In this embodiment, the stabilizing member 200 includes a fixing portion 201 and a connecting portion 202, the fixing portion 201 is fixedly connected to the connecting portion 202, and the stabilizing member 200 is fixedly connected to the side wall of the mounting base 101 through the connecting portion 202. In this embodiment, a fixing groove 103a is also provided on the rotating shaft of the printing roller 103. The mutual cooperation between the fixing groove 103a and the stabilizing member 200 ensures the stability of the printing roller 103 and avoids the problem of the printing roller 103 moving along its length direction.

[0040] like Fig.10 As shown, in this embodiment, one side of the stabilizing member 200 is open, and a blocking member 201a is provided on the inner wall of the fixing portion 201 along its circumferential direction. The blocking member 201a is a sheet-like trapezoidal structure. In this embodiment, after the stabilizing member 200 is firmly assembled on the side wall of the mounting base 101, the rotating shaft of the printing roller 103 passes through the outer side of the side wall of the mounting base 101, and the end of the blocking member 201a in the stabilizing member 200 enters the fixed groove 103a on the rotating shaft of the printing roller 103. In this embodiment, by The blocking member 201a limits the fixed groove 103a to prevent the printing roller 103 from moving in the installation assembly, thereby improving the stability of the printing roller 103 in the installation assembly. Therefore, after the installation assembly in this embodiment is assembled with the printing roller 103, the printing roller 103 is limited by the connecting member 107 to ensure the stability of the printing roller 103. In addition, the stabilizing member 200 limits the fixed groove 103a on the rotating shaft of the printing roller 103 to further ensure the stability of the printing roller 103.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A printing roller installation assembly, comprising a connecting body (100), the connecting body (100) being used to install a printing roller (103), the connecting body (100) comprising a mounting base (101) and a cover plate (102) connected to the surface of the mounting base (101), a gap being present between the cover plate (102) and the mounting base (101), the printing roller (103) being assembled on a side wall of the mounting base (101) via a rotating shaft, characterized in that: A fixing hole is provided on the side wall of the mounting base (101), and a connecting piece (107) is connected to the side wall of the mounting base (101) through the fixing hole. The rotating shaft of the printing roller (103) is rotatably assembled on the connecting piece (107). A connecting groove (107a) is provided on the side wall of the connecting piece (107), and the printing roller (103) is limited by the cooperation between the connecting groove (107a) and the side wall of the mounting base (101).

2. The printing cylinder mounting assembly according to claim 1, characterized in that: A stabilizing member (200) is connected to the side wall of the mounting base (101), and a fixing groove (103a) is provided on the rotating shaft of the printing roller (103), and the printing roller (103) is limited by the mutual cooperation between the stabilizing member (200) and the fixing groove (103a).

3. The printing cylinder mounting assembly according to claim 2, characterized in that: The stabilizing member (200) comprises a fixing portion (201) and a connecting portion (202); the connecting portion (202) is fixedly connected to the fixing portion (201); the stabilizing member (200) is assembled on the side wall of the mounting base (101) via the connecting portion (202); blocking members (201a) are circumferentially distributed on the inner wall of the fixing portion (201); the end of the blocking member (201a) enters the fixing groove (103a) to limit the rotation axis of the printing roller (103).

4. The printing cylinder mounting assembly according to any one of claims 1 to 3, characterized in that: It also includes an auxiliary roller (104), which is located on one side of the printing cylinder (103), and an opening is provided on the cover plate (102), and the outer edge of the auxiliary roller (104) extends through the opening into the gap between the cover plate (102) and the mounting base (101).

5. The printing cylinder mounting assembly according to claim 4, characterized in that: It also includes a power mechanism for driving the printing roller (103) and the auxiliary roller (104) to rotate. The power mechanism drives the printing roller (103) and the auxiliary roller (104) to rotate. The auxiliary roller (104) rotates to drive the paper to move through friction, and the printing roller (103) rotates to print the paper.

6. The printing cylinder mounting assembly according to claim 5, characterized in that: The power mechanism comprises a driving gear (105) installed at the end of the printing cylinder (103) and a driven gear (106) installed at the end of the auxiliary roller (104); the driving gear (105) and the driven gear (106) are meshed with each other; the driving gear (105) rotates to drive the driven gear (106) to rotate through the meshing action of the gears; the driving gear (105) rotates to drive the printing cylinder (103) to rotate; and the driven gear (106) rotates to drive the auxiliary roller (104) to rotate.

7. The printing cylinder mounting assembly according to claim 5, characterized in that: The power mechanism also includes a worm gear assembly for driving the driving gear (105) to rotate. The turbine in the worm gear assembly is meshed with the driving gear (105). The worm in the worm gear assembly rotates through the operation of the motor to drive the turbine to rotate, thereby driving the driving gear (105) to rotate.

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