Pneumatic disc brake type printing adsorption air bellow mechanism

Abstract

The utility model discloses a pneumatic disc brake type printing adsorption air bellow mechanism which comprises a transmission shaft roller arranged on a machine shell of a paper feeding portion of a printing machine, the two ends of the transmission shaft roller extend towards the outer side of the machine shell respectively, one end of the transmission shaft roller is connected with a transmission motor, and a driving wheel disc is arranged at the other end of the transmission shaft roller. A brake mechanism is arranged at the position, corresponding to the outer side of the driving wheel disc, of the machine shell. The novel brake mechanism is arranged, a traditional linkage disc is omitted, the brake mechanism drives the brake disc to move by controlling the air cylinder, the brake disc is located on one side of the driving wheel disc, the brake disc is controlled to make contact with the whole side face of the driving wheel disc during braking, and therefore the contact face of the brake disc and the driving wheel disc is increased, and the brake disc is more stable. In this way, the braking effect of the transmission shaft roller can be greatly improved, and therefore the stability and safety of equipment operation are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing machine technical field especially relates to a kind of pneumatic disc brake formula printing suction air bellow mechanism. BACKGROUND

[0002] Printer is the machine of printing character and image, and the printer is provided with a paper feeding part at the starting end of its equipment, which generally includes a casing, the casing is hollow, and a transmission roller shaft and a driven roller shaft are arranged in the casing. The end of each roller shaft extending outward from the casing is provided with a conveying wheel. At the same time, an air pipe is arranged on the casing of the paper feeding part, and the air pipe is connected with an air guiding device. The air guiding device is used to draw air outward, so that a wind box structure with negative pressure is formed in the casing. The negative pressure in the casing can form a suction force on the conveyed carton board, so that the carton board can be stably conveyed along the conveying wheel. In the current common paper feeding part, a brake mechanism is also needed, which can realize the rapid braking of the transmission roller shaft, so that the paper feeding operation can be stopped in time when the printer fails, to prevent the waste caused by the damage of the carton. At present, the brake mechanism on the paper feeding part, as shown in the figure, mainly includes a transmission roller shaft 2' arranged on the casing 1', and the end of the transmission roller shaft 2' extends outward from the casing 1'. The extending part is provided with a linkage disc 3'. The casing 1' is provided with a pneumatic brake cylinder 4' below the position corresponding to the linkage disc 3'. The pneumatic brake cylinder 4' is symmetrically provided with brake blocks 5'. The two brake blocks 5' are located on both sides of the lower end of the linkage disc 3'. The two brake blocks 5' are synchronously moved by pneumatic control. When braking is needed, the two brake blocks 5' are controlled to clamp one end of the linkage disc 3', so as to limit the rotation of the whole transmission roller shaft 2'. However, the brake block 5' of this brake mechanism can only clamp part of the linkage disc 3', and sometimes it cannot achieve the timely braking of the transmission roller shaft 2', which brings great inconvenience to the braking operation. Figure 1 The utility model discloses a kind of pneumatic disc brake formula printing suction air bellow mechanism, which can effectively solve the problems existing in the prior art. TECHNICAL SOLUTION

[0003] The utility model discloses a kind of pneumatic disc brake formula printing suction air bellow mechanism, which can effectively solve the problems existing in the prior art.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows: a kind of pneumatic disc brake formula printing suction air bellow mechanism, including the transmission shaft roller arranged on the casing of the paper feeding part of the printer, the two ends of the transmission shaft roller respectively extend to the outside of the casing, one end of the transmission shaft roller is connected with a transmission motor, and the other end of the transmission shaft roller is provided with a driving pulley. A brake mechanism is arranged on the casing at a position corresponding to the outside of the driving pulley.

[0005] The brake mechanism comprises an outer shell, which is provided with a mounting groove on the side facing the driving wheel disc, and a control cylinder is arranged in the mounting groove, the piston rod of the control cylinder is arranged on the side facing the driving wheel disc, and the control cylinder is provided with a brake disc at the end of the piston rod, which is in contact with the outer side of the driving wheel disc under the drive of the control cylinder.

[0006] Further, the outer shell and the brake disc are annular structures, the control cylinder is arranged on one side of the mounting groove of the outer shell, and one end of the brake disc is located in the mounting groove, and the other end of the brake disc extends outward from the mounting groove.

[0007] Further, a plurality of guide rods are uniformly arranged in the mounting groove of the outer shell, and the brake disc is provided with a clearance hole at a position corresponding to each guide rod, and the guide rod is inserted into the clearance hole.

[0008] Further, the gas pipe joint of the control cylinder extends through the outer shell and extends outward from the outer shell.

[0009] Further, the mounting plate is arranged on the casing at a position corresponding to the outer side of the driving wheel disc, and the outer shell of the brake mechanism is fixedly arranged on the mounting plate.

[0010] Further, the mounting plate is provided with a retaining link at the end corner thereof, one end of the retaining link is fixedly connected with the casing, and the other end is fixedly connected with the mounting plate.

[0011] Further, the retaining link is provided with a mounting stop flange on the side wall on the side where the mounting plate is arranged, one side of the mounting plate is attached to the mounting stop flange, the other side of the mounting plate is flush with the end face of the retaining link, the end of the retaining link is provided with an outwardly extending mounting protrusion, the diameter of the mounting protrusion is smaller than the diameter of the retaining link, a limiting ring is sleeved on the mounting protrusion, the outer diameter of the limiting ring is the same as the diameter of the retaining link, and the inner diameter of the limiting ring is larger than the diameter of the mounting protrusion, the end of the mounting protrusion is provided with an adjustable lock cap, the diameter of the lock cap is the same as the diameter of the retaining link, and the lock cap clamps the limiting ring on the mounting protrusion.

[0012] Further, the end of the lock cap connected with the mounting protrusion is provided with a threaded rod, the end of the mounting protrusion is provided with a threaded hole matched with the threaded rod, and the lock cap is threadedly connected with the mounting protrusion.

[0013] The above technical scheme of the utility model has the following beneficial effects: the utility model discloses a new brake mechanism, and the traditional linkage disc is cancelled, the brake mechanism drives the brake disc movement through the control air cylinder, the brake disc is located at the side of the driving disc, and the whole side of the driving disc is contacted when braking, thereby increasing the contact surface of the brake disc and the driving disc, so that the brake effect of the transmission shaft roller can be greatly improved, thereby improving the stability and safety of equipment operation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a plane structure schematic view of prior art of the utility model;

[0015] Figure 2 It is a three-dimensional structure schematic view of the embodiment of the utility model;

[0016] Figure 3 It is a three-dimensional structure schematic view of the brake mechanism of the embodiment of the utility model;

[0017] Figure 4 It is a sectional structure schematic view at the brake mechanism of the embodiment of the utility model;

[0018] Figure 5 It is a top view schematic view at the brake mechanism of the embodiment of the utility model;

[0019] Figure 6 It is Figure 5 The enlarged view of A in the middle. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described in detail below in combination with the drawings and specific embodiments, and it should be explained that the embodiments of the application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, a lot of specific details are set forth in order to give a full and complete understanding of the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the protection scope of the utility model is not limited by the specific embodiments disclosed below.

[0022] As Figures 1-6As shown, the printing and adsorbing air bellow mechanism of the disc brake type according to the present embodiment comprises a transmission shaft roller 2 arranged on a paper feeding part of a printing machine, the two ends of the transmission shaft roller 2 extend to the outside of the machine shell 1, one end of the transmission shaft roller 2 is connected with a transmission motor, the other end of the transmission shaft roller 2 is provided with a driving disc 3, a driven shaft roller is further arranged in the machine shell 1, the end of the driven shaft roller outside the machine shell 1 is provided with a driven disc, the driving disc 3 and the driven disc are linked through a transmission belt, and a brake mechanism is arranged on the machine shell 1 at a position corresponding to the outside of the driving disc 3.

[0023] The brake mechanism comprises an outer shell 4, the outer shell 4 is provided with a mounting groove 4a on the side facing the driving disc 3, a control cylinder 5 is arranged in the mounting groove 4a, the piston rod of the control cylinder 5 is arranged on the side facing the driving disc 3, the control cylinder 5 is provided with a brake disc 6 at the end of the piston rod, and the brake disc 6 is in contact with the outer side of the driving disc 3 under the driving of the control cylinder 5.

[0024] When the brake is not working, there is a gap between the brake disc 6 and the driving disc 3, and the two do not contact, under the driving of the control cylinder 5, the brake disc 6 will move to the side of the driving disc 3 and contact the surface of the driving disc 3.

[0025] The outer shell 4 and the brake disc 6 are both annular structures, the control cylinder 5 is arranged on one side of the mounting groove 4a of the outer shell 4, one end of the brake disc 6 is located in the mounting groove 4a, the other end of the brake disc 6 extends to the outside of the mounting groove 4a, and the diameter of the brake disc 6 is the same as that of the driving disc 3.

[0026] A plurality of guide rods 7 are uniformly arranged in the mounting groove 4a of the outer shell 4, the brake disc 6 is provided with a avoiding hole 6a at a position corresponding to each guide rod 7, and the guide rod 7 is inserted into the avoiding hole 6a.

[0027] The gas pipe joint 8 of the control cylinder 5 penetrates through the outer shell 4 and extends to the outside thereof, and the gas pipe joint 8 is connected with a gas pump through a gas pipe.

[0028] The mounting plate 9 is arranged on the machine shell 1 at a position corresponding to the outside of the driving disc 3, and the outer shell 4 of the brake mechanism is fixedly arranged on the mounting plate 9.

[0029] The mounting plate 9 is provided with a retaining connecting rod 10 at the end corner thereof, one end of the retaining connecting rod 10 is fixedly connected with the machine shell 1, and the other end is fixedly connected with the mounting plate 9.

[0030] The retaining link 10 is provided with a mounting stop 11 on the side wall of the side of the retaining link 10 on which the mounting plate 9 is arranged, one side of the mounting plate 9 abuts against the mounting stop 11, the other side of the mounting plate 9 is flush with the end face of the retaining link 10, the end of the retaining link 10 is provided with an outwardly extending mounting boss 12, the diameter of the mounting boss 12 is smaller than the diameter of the retaining link 10, the mounting boss 12 is sleeved with a limiting ring 13, the outer diameter of the limiting ring 13 is the same as the diameter of the retaining link 10 and the inner diameter of the limiting ring 13 is larger than the diameter of the mounting boss 12, the end of the mounting boss 12 is provided with an adjustable lock cap 14, the diameter of the lock cap 14 is the same as the diameter of the retaining link 10 and the lock cap 14 clamps the limiting ring 13 at the mounting boss 12.

[0031] The end of the lock cap 14 connected with the mounting boss 12 is provided with a threaded rod 15, the end of the mounting boss 12 is provided with a threaded hole matched with the threaded rod 15, and the lock cap 14 is threadedly connected with the mounting boss 12.

[0032] The working principle of the utility model is that the transmission shaft roller 2 rotates under the driving of the motor, when brake braking is needed, the control cylinder 5 in the control shell body 4 is pneumatically controlled, the piston rod of the control cylinder 5 is extended and drives the whole brake disc 6 to move to the side of the driving wheel disc 3 on the transmission shaft roller 2, the brake disc 6 contacts the side surface of the driving wheel disc 3, friction is generated between the two to generate braking effect, the brake disc 6 greatly increases the contact area with the driving wheel disc 3, and the braking effect is enhanced.

[0033] When braking, the brake disc 6 will contact and rub the driving wheel disc 3, so the surface of the brake disc 6 will be worn, and when the brake mechanism fails, the brake mechanism needs to be removed for maintenance, when disassembling, the lock cap 14 is loosened and the limiting ring 13 above the lock cap 14 is reset to the position coaxial with the retaining link 10, at this time, the mounting plate 9 together with the brake mechanism above it can be removed together, after replacing the parts, the mounting plate 9 together with the brake mechanism is inserted with the retaining link 10, the side wall of the mounting plate 9 abuts against the mounting stop 11 of the retaining link 10, at this time, the limiting ring 13 and the lock cap 14 at the end of the retaining link 10 all extend to the outside of the mounting plate 9, then the limiting ring 13 is pushed to one side, the inner wall of the limiting ring 13 contacts the side wall of the mounting boss 12, part of the limiting ring 13 extends to the outside of the retaining link 10, at this time, the limiting ring 13 is in an eccentric state relative to the retaining link 10, then the lock cap 14 is tightened to clamp the limiting ring 13 in the eccentric state at the mounting boss 12, since the limiting ring 13 is in the eccentric state, it can limit the mounting plate 9 on the retaining link 10, thus the fixed connection work of the mounting plate 9 and the brake mechanism above it is completed, the whole process does not need tools and can be completed manually, which brings great convenience to the disassembly and assembly of the mounting plate 9.

[0034] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to thereby enable others skilled in the art to best utilize the present application with various modifications as are suited to the particular use contemplated.

Claims

1. A pneumatic disc brake type printing suction bellows mechanism, characterized by: The application relates to a transmission shaft roller arranged on a paper feeding part of a printing machine, wherein the two ends of the transmission shaft roller extend to the outside of the machine shell, one end of the transmission shaft roller is connected with a transmission motor, and the other end of the transmission shaft roller is provided with a driving wheel disc; a brake mechanism is arranged on the machine shell at a position corresponding to the outside of the driving wheel disc. The brake mechanism comprises an outer shell, the outer shell is provided with a mounting groove on the side facing the driving wheel disc, a control cylinder is arranged in the mounting groove, a piston rod of the control cylinder is arranged on the side facing the driving wheel disc, a brake disc is arranged on the end of the piston rod of the control cylinder, and the brake disc is in contact with the outside of the driving wheel disc under the drive of the control cylinder.

2. A pneumatic disc brake type printing and suction air box mechanism according to claim 1, characterized in that: The outer shell and the brake disc are annular structures, the control cylinder is arranged on one side of the mounting groove of the outer shell, one end of the brake disc is located in the mounting groove, and the other end of the brake disc extends to the outside of the mounting groove.

3. A pneumatic disc brake type printing and suction air box mechanism according to claim 2, characterized in that: A plurality of guide rods are uniformly arranged in the mounting groove of the outer shell, and the brake disc is provided with avoiding holes corresponding to the guide rods.

4. A pneumatic disc brake type printing and suction air box mechanism according to claim 3, characterized in that: A gas pipe joint of the control cylinder extends to the outside of the outer shell.

5. A pneumatic disc brake type printing and suction air box mechanism according to claim 1, characterized in that: An installation plate is arranged on the machine shell at a position corresponding to the outside of the driving wheel disc, and the outer shell of the brake mechanism is fixed on the installation plate.

6. A pneumatic disc brake type printing and suction air box mechanism according to claim 5, characterized in that: A fixing connecting rod is arranged at the end corner of the installation plate, one end of the fixing connecting rod is fixedly connected with the machine shell, and the other end is fixedly connected with the installation plate.

7. A pneumatic disc brake type printing and suction air box mechanism according to claim 6, characterized in that: An installation stopper is arranged on the side wall of the fixing connecting rod on the side of the installation plate, one side of the installation plate is attached to the installation stopper, the other side of the installation plate is flush with the end surface of the fixing connecting rod, an installation protrusion extending to the outside is arranged on the end of the fixing connecting rod, the diameter of the installation protrusion is smaller than the rod diameter of the fixing connecting rod, a limiting ring is sleeved on the installation protrusion, the outer diameter of the limiting ring is the same as the rod diameter of the fixing connecting rod, and the inner diameter of the limiting ring is larger than the diameter of the installation protrusion, an adjustable lock cap is arranged on the end of the installation protrusion, the diameter of the lock cap is the same as the rod diameter of the fixing connecting rod, and the lock cap clamps the limiting ring on the installation protrusion.

8. A pneumatic disc brake type printing and suction air box mechanism according to claim 7, characterized in that: One end of the lock cap connected with the installation protrusion is provided with a threaded rod, the end of the installation protrusion is provided with a threaded hole matched with the threaded rod, and the lock cap is threadedly connected with the installation protrusion.

Images