A printing press transmission structure convenient for detecting belt wear

Abstract

The utility model provides a printing machine transmission structure which is convenient for detecting belt wear, belongs to the technical field of printing machines, and aims to solve the problem that the belt in the existing printing machine transmission structure is inevitably worn after long-term use. When the belt is seriously worn, it is not replaced in time, which easily leads to a decline in printing quality or a breakage of the belt, affecting the printing quality and causing economic losses. The utility model comprises: the gear box is fixedly connected to the outside of the equipment body; the partition is fixedly connected to the inside of the gear box; the drive motor is fixedly installed on the outside of the equipment body; two fixed pulleys are provided, one fixed pulley is fixedly connected to the outside of the driving motor shaft, and the other fixed pulley is rotatably connected to the inside of the gear box; the connecting belt is covered on the outside of the two fixed pulleys; through the arrangement of the utility model, the detection of connecting belt wear is realized, the printing quality is improved, and the economic losses are reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of printing machines, and more specifically, particularly relates to a transmission structure of a printing machine which is convenient for detecting belt wear. Background Art

[0002] A printing press is a machine for printing text and images. It can be divided into letterpress printing press, lithographic printing press, gravure printing press and screen printing press, etc. The operation of a printing press is inseparable from the transmission structure inside the printing press.

[0003] According to the application number: CN201820812592.0, an efficient transmission structure of a printing press is disclosed, including a base, a shell is fixed on the upper end of the base, a cavity is provided in the shell, a third opening is provided on the top of the cavity, four support rods are fixed on the bottom of the cavity, a bearing plate is fixed on the upper ends of the four support rods, one end of the bearing plate passes through one end side wall in the cavity, a processing groove is provided on the upper end of the bearing plate, one end side wall in the processing groove is through-set, and slide grooves are provided on the opposite side walls in the processing groove, and a push rod is installed in the two slide grooves, a pull rod is fixed on one end of the push rod, and one end of the pull rod passes through the other end side wall in the processing groove and extends to the other end of the bearing plate. The utility model improves the printing efficiency of corrugated cardboard by modifying the printing equipment, reduces the labor intensity and labor cost of workers, has a high degree of automation, saves time and effort, saves costs, is simple to operate, and is convenient to use.

[0004] Based on the above, the belt in the existing printing machine transmission structure will inevitably be worn after long-term use. When the belt is severely worn, if it is not replaced in time, it will easily lead to a decline in printing quality or cause the belt to break, affecting the printing quality and causing economic losses. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a printing press transmission structure which is convenient for detecting belt wear, so as to solve the existing problems.

[0006] The purpose and effect of the transmission structure of a printing press convenient for detecting belt wear in the utility model are achieved by the following specific technical means:

[0007] A printing press transmission structure for convenient detection of belt wear comprises an equipment body, a gear box, a partition, a driving motor, a fixed pulley, a connecting belt, a fixed gear, a detection mechanism and a lubrication mechanism; the gear box is fixedly connected to the outside of the equipment body; the partition is fixedly connected to the inside of the gear box; the driving motor is fixedly installed on the outside of the equipment body; two fixed pulleys are provided, one fixed pulley is fixedly connected to the outside of the driving motor shaft, and the other fixed pulley is rotatably connected to the inside of the gear box; the connecting belt is wrapped around the outside of the two fixed pulleys; a plurality of fixed gears are provided, and the plurality of fixed gears are all rotatably connected to the inside of the gear box, and the plurality of fixed gears are meshed with each other; the detection mechanism is arranged on the inside of the gear box; the lubrication mechanism is arranged on the inside of the gear box.

[0008] Furthermore, the detection mechanism includes: a fixed bracket, a hinged rod, a detection pulley and a compression spring; the fixed bracket is fixedly connected to the outer side of the partition; the hinged rod is hinged to the upper end of the fixed bracket; the detection pulley is rotatably connected to the inner side of the hinged rod, and the detection pulley rests on the outer side of the connecting belt; one end of the compression spring is fixedly connected to the outer side of the fixed bracket, and the other end of the compression spring is fixedly connected to the outer side of the hinged rod.

[0009] Furthermore, the detection mechanism also includes: a push switch and an alarm; the push switch is fixedly installed on the outer side of the partition; the alarm is fixedly installed on the upper end surface of the rear end of the gear box, and the alarm is electrically connected to the push switch.

[0010] Furthermore, the lubrication mechanism includes: an oil box, an oil pump, an oil inlet pipe and a lubricating oil pipe; the oil box is fixedly connected to the inner side of the gear box; the oil pump is fixedly connected to the inner side of the upper end of the gear box; the oil inlet pipe is fixedly connected to the outer side of the oil pump; and the lubricating oil pipe is fixedly connected to the outer side of the oil pump.

[0011] Furthermore, the lubrication mechanism also includes: a sliding cylinder, a fixed rod and a one-way valve; the sliding cylinder is slidably connected to the inner side of the pumping cylinder; the fixed rod is fixedly connected to the outer side of the sliding cylinder; two one-way valves are provided, one one-way valve is fixedly installed on the inner side of the sliding cylinder, and the other one-way valve is fixedly installed on the inner side of the pumping cylinder.

[0012] Furthermore, the lubrication mechanism also includes: an eccentric rod and a connecting rod; the eccentric rod is fixedly connected to the outside of the fixed gear; one end of the connecting rod is rotatably connected to the outside of the eccentric rod, and the other end of the connecting rod is rotatably connected to the outside of the fixed rod.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model realizes the detection of the wear of the connecting belt by setting the detection mechanism. When the connecting belt is worn after long-term use, the tension of the connecting belt will be reduced. At this time, the hinged rod will tilt downward under the action of the compression spring, so that the detection pulley always presses against the outside of the connecting belt to tension the connecting belt. When the hinged rod tilts to a certain angle, it will trigger the press switch. At this time, the alarm is powered on and makes a sound to remind the staff to replace it in time, so as to prevent the connecting belt from being too loose or broken and affecting the printing quality, thereby improving the printing quality and reducing economic losses. The lubrication of the fixed gear is realized by setting the lubricating mechanism. When the fixed gear rotates, it will drive the sliding cylinder to slide back and forth through the eccentric rod and the connecting rod, and the sliding cylinder slides forward When the cam is in the oil pumping state, the one-way valve in the oil pumping cylinder is opened, and the one-way valve in the oil pumping cylinder is closed, so that the lubricating oil at the front end of the one-way valve in the sliding cylinder can be sent to the rear end of the one-way valve in the sliding cylinder. When the sliding cylinder slides backward, the one-way valve in the sliding cylinder can be driven to slide. At this time, the one-way valve in the sliding cylinder is closed, and the one-way valve in the oil pumping cylinder is opened, so that the lubricating oil in the oil box can be sucked into the oil pumping cylinder through the oil inlet pipe, and the lubricating oil in the lubricating oil pipe can be squeezed out at the same time to lubricate the fixed gear, reduce the wear between the fixed gears and extend the service life. Through the arrangement of the above mechanism, the wear of the connecting belt can be detected, the printing quality can be improved, the economic loss can be reduced, the lubrication of the fixed gear can be achieved, and the service life can be extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0016] Figure 1 It is a structural schematic diagram of the main body of the utility model.

[0017] Figure 2 It is a schematic diagram of the structure inside the gear box of the utility model.

[0018] Figure 3 This utility model Figure 2 Schematic diagram of the structure with a partial enlargement at point A in the middle.

[0019] Figure 4 It is a structural schematic diagram of the fixed gear of the utility model.

[0020] Figure 5 It is a structural schematic diagram of the oil pumping tube of the utility model.

[0021] Figure 6 It is a structural schematic diagram of a cross-section of the utility model oil pumping tube.

[0022] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0023] 1. Equipment body; 2. Gear box; 3. Partition; 4. Driving motor; 5. Fixed pulley; 6. Connecting belt; 7. Fixed gear; 8. Fixed bracket; 9. Articulated rod; 10. Detection pulley; 11. Compression spring; 12. Push switch; 13. Alarm; 14. Oil box; 15. Pumping cylinder; 1501. Oil inlet pipe; 1502. Lubricating oil pipe; 16. Sliding cylinder; 1601. Fixed rod; 17. One-way valve; 18. Eccentric rod; 19. Connecting rod. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0025] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0026] Embodiment 1:

[0027] As attached Figure 1-Figure 3 As shown:

[0028] The utility model provides a printing press transmission structure which is convenient for detecting belt wear, comprising an equipment body 1, a gear box 2, a partition 3, a driving motor 4, a fixed pulley 5, a connecting belt 6, a fixed gear 7 and a detecting mechanism; the gear box 2 is fixedly connected to the outside of the equipment body 1; the partition 3 is fixedly connected to the inside of the gear box 2; the driving motor 4 is fixedly installed on the outside of the equipment body 1; two fixed pulleys 5 are provided, one fixed pulley 5 is fixedly connected to the outside of the rotating shaft of the driving motor 4, and the other fixed pulley 5 is rotatably connected to the inside of the gear box 2; the connecting belt 6 is coated on the outside of the two fixed pulleys 5; a plurality of fixed gears 7 are provided, the plurality of fixed gears 7 are all rotatably connected to the inside of the gear box 2, and the plurality of fixed gears 7 are meshed with each other; and the detecting mechanism is arranged on the inside of the gear box 2.

[0029] Among them, the detection mechanism includes: a fixed bracket 8, a hinged rod 9, a detection pulley 10, a compression spring 11, a push switch 12 and an alarm 13; the fixed bracket 8 is fixedly connected to the outer side of the partition 3; the hinged rod 9 is hinged at the upper end of the fixed bracket 8; the detection pulley 10 is rotatably connected to the inner side of the hinged rod 9, and the detection pulley 10 is against the outer side of the connecting belt 6; one end of the compression spring 11 is fixedly connected to the outer side of the fixed bracket 8, and the other end of the compression spring 11 is fixedly connected to the outer side of the hinged rod 9; the push switch 12 is fixedly installed on the outer side of the partition 3; the alarm 13 is fixedly installed on the upper end surface of the rear end of the gear box 2, and the alarm 13 is electrically connected to the push switch 12.

[0030] Specific usage and function of this embodiment: When the connecting belt 6 is worn out after long-term use, the tension of the connecting belt 6 will decrease. At this time, the hinged rod 9 will tilt downward under the action of the compression spring 11, so that the detection pulley 10 is always against the outside of the connecting belt 6, and the connecting belt 6 is tensioned. When the hinged rod 9 tilts to a certain angle, the press switch 12 will be triggered. At this time, the alarm 13 is powered on and makes a sound to remind the staff to replace it in time.

[0031] Embodiment 2:

[0032] On the basis of the first embodiment, Figure 4-Figure 6 As shown, the lubrication mechanism includes: an oil box 14, an oil pumping cylinder 15, an oil inlet pipe 1501, a lubricating oil pipe 1502, a sliding cylinder 16, a fixing rod 1601, a one-way valve 17, an eccentric rod 18 and a connecting rod 19; the lubrication mechanism is arranged on the inner side of the gear box 2; the oil box 14 is fixedly connected to the inner side of the gear box 2; the oil pumping cylinder 15 is fixedly connected to the inner side of the upper end of the gear box 2; the oil inlet pipe 1501 is fixedly connected to the outer side of the oil pumping cylinder 15; the lubricating oil pipe 1502 is fixedly connected to the outer side of the oil pumping cylinder 15 the outside of the pumping cylinder 15; the sliding cylinder 16 is slidably connected to the inside of the pumping cylinder 15; the fixed rod 1601 is fixedly connected to the outside of the sliding cylinder 16; two one-way valves 17 are provided, one one-way valve 17 is fixedly installed on the inside of the sliding cylinder 16, and the other one-way valve 17 is fixedly installed on the inside of the pumping cylinder 15; the eccentric rod 18 is fixedly connected to the outside of the fixed gear 7; one end of the connecting rod 19 is rotatably connected to the outside of the eccentric rod 18, and the other end of the connecting rod 19 is rotatably connected to the outside of the fixed rod 1601.

[0033] When the sliding cylinder 16 slides backward, it will drive the one-way valve 17 in the sliding cylinder 16 to slide. At this time, the one-way valve 17 in the sliding cylinder 16 is opened, and the one-way valve 17 in the oil pumping cylinder 15 is closed, so that the lubricating oil at the front end of the one-way valve 17 in the sliding cylinder 16 can be sent to the rear end of the one-way valve 17 in the sliding cylinder 16. When the sliding cylinder 16 slides backward, it will drive the one-way valve 17 in the sliding cylinder 16 to slide. At this time, the one-way valve 17 in the sliding cylinder 16 is closed, and the one-way valve 17 in the oil pumping cylinder 15 is opened, so that the lubricating oil in the oil box 14 can be sucked into the oil pumping cylinder 15 through the oil inlet pipe 1501, and at the same time, the lubricating oil in the lubricating oil pipe 1502 will be squeezed out to lubricate the fixed gear 7, and the excess lubricating oil will drip into the oil box 14 for recovery.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

[0035] 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 transmission structure of a printing press for facilitating the detection of belt wear, comprising a device body (1), a gear box (2), a partition (3), a drive motor (4), a fixed pulley (5), a connecting belt (6), a fixed gear (7), a detection mechanism and a lubrication mechanism; the gear box (2) is fixedly connected to the outside of the device body (1); the partition (3) is fixedly connected to the inside of the gear box (2); the drive motor (4) is fixedly installed on the outside of the device body (1); the characteristics are: Two fixed pulleys (5) are provided, one fixed pulley (5) is fixedly connected to the outside of the rotating shaft of the driving motor (4), and the other fixed pulley (5) is rotatably connected to the inside of the gear box (2); the connecting belt (6) is wrapped around the outside of the two fixed pulleys (5); a plurality of fixed gears (7) are provided, and the plurality of fixed gears (7) are all rotatably connected to the inside of the gear box (2), and the plurality of fixed gears (7) are meshed with each other; the detection mechanism is arranged on the inside of the gear box (2); and the lubrication mechanism is arranged on the inside of the gear box (2).

2. A printing press transmission structure for facilitating the detection of belt wear as claimed in claim 1, characterized in that: The detection mechanism comprises: a fixed bracket (8), a hinged rod (9), a detection pulley (10) and a compression spring (11); the fixed bracket (8) is fixedly connected to the outer side of the partition (3); the hinged rod (9) is hinged to the upper end of the fixed bracket (8); the detection pulley (10) is rotatably connected to the inner side of the hinged rod (9), and the detection pulley (10) abuts against the outer side of the connecting belt (6); one end of the compression spring (11) is fixedly connected to the outer side of the fixed bracket (8), and the other end of the compression spring (11) is fixedly connected to the outer side of the hinged rod (9).

3. A printing press transmission structure for facilitating the detection of belt wear as claimed in claim 2, characterized in that: The detection mechanism further comprises: a push switch (12) and an alarm (13); the push switch (12) is fixedly mounted on the outer side of the partition (3); the alarm (13) is fixedly mounted on the upper end surface of the rear end of the gear box (2), and the alarm (13) is electrically connected to the push switch (12).

4. A printing press transmission structure for facilitating the detection of belt wear as claimed in claim 1, characterized in that: The lubrication mechanism comprises: an oil box (14), an oil pumping cylinder (15), an oil inlet pipe (1501) and a lubricating oil pipe (1502); the oil box (14) is fixedly connected to the inner side of the gear box (2); the oil pumping cylinder (15) is fixedly connected to the inner side of the upper end of the gear box (2); the oil inlet pipe (1501) is fixedly connected to the outer side of the oil pumping cylinder (15); and the lubricating oil pipe (1502) is fixedly connected to the outer side of the oil pumping cylinder (15).

5. A printing press transmission structure for facilitating the detection of belt wear as claimed in claim 4, characterized in that: The lubrication mechanism further comprises: a sliding cylinder (16), a fixed rod (1601) and a one-way valve (17); the sliding cylinder (16) is slidably connected to the inner side of the pumping cylinder (15); the fixed rod (1601) is fixedly connected to the outer side of the sliding cylinder (16); two one-way valves (17) are provided, one one-way valve (17) is fixedly installed on the inner side of the sliding cylinder (16), and the other one-way valve (17) is fixedly installed on the inner side of the pumping cylinder (15).

6. A printing press transmission structure for facilitating the detection of belt wear as claimed in claim 5, characterized in that: The lubrication mechanism further comprises: an eccentric rod (18) and a connecting rod (19); the eccentric rod (18) is fixedly connected to the outside of the fixed gear (7); one end of the connecting rod (19) is rotatably connected to the outside of the eccentric rod (18), and the other end of the connecting rod (19) is rotatably connected to the outside of the fixed rod (1601).

Images