Torsion limiter for printing equipment

Abstract

The utility model relates to the technical field of printing equipment, and discloses a torsion limiter for printing equipment, which comprises a shell, and a first rotating shaft is fixed on the left side of the shell. According to the torsion limiter for the printing equipment, after the first mounting flange and the second mounting flange are connected and mounted between the driving equipment and a rotating shaft in the printing equipment respectively, the upper connecting cover and the lower connecting cover can be clamped downwards and upwards on the outer sides of the first mounting flange and the second mounting flange respectively; then fixing bolts penetrate through the interiors of the upper connecting cover and the lower connecting cover, and then fixing nuts are screwed into the exteriors of the fixing bolts to be screwed tightly, so that the upper connecting cover and the lower connecting cover can be mounted and connected to the exteriors of the mounting flange I and the mounting flange II; auxiliary sealing waterproof and dustproof are carried out on the outer portions of the connecting and installing positions on the two sides of the torsion limiter, and the problem that auxiliary waterproof and dustproof are inconvenient to carry out on the outer portions of the installing positions on the two sides of the torsion limiter is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing equipment technical field, concretely is a kind of torsion limiter for printing equipment. BACKGROUND

[0002] Printing equipment refers to a series of mechanical equipment for printing text and image, including printing machine, plate making machine, binding machine etc. It is mainly used for copying text and image, and is widely used in the production process of books, brochures, posters and other printed matter. When printing equipment is working, the internal rotating components will be driven by external driving equipment. In order to provide overload protection and prevent the internal components of printing equipment from being damaged due to overload and causing safety accidents, a torsion limiter is needed to limit the driving output torque of the driving equipment.

[0003] However, when the torsion limiter for printing equipment is installed on the power assembly of the printing equipment, the connection and installation positions of the two sides of the torsion limiter with the driving shaft of the power equipment and the internal rotating shaft of the printing equipment are mostly directly exposed to the outside. During use, long-term contact with external dust and water vapor can easily cause external corrosion and damage to the thread locking parts of the connection and installation positions, and it is easy to slip during disassembly and maintenance, which makes it difficult to disassemble. It is not convenient to assist in waterproofing and dustproofing the outside of the two installation positions of the torsion limiter.

[0004] Now, a new type of torsion limiter for printing equipment is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a torsion limiter for printing equipment to solve the problem of not being convenient to assist in waterproofing and dustproofing the outside of the two installation positions of the torsion limiter.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a torsion limiter for printing equipment, comprising a shell, a rotating shaft one is fixed on the left side of the shell, and a mounting flange one is fixed on the left side of the rotating shaft one, a side cover is fixed on the right side of the shell, and a rotating shaft two is movably connected inside the right side of the side cover, a mounting flange two is fixed on the right side of the rotating shaft two, an upper connecting cover is arranged at the top of the mounting flange one and the mounting flange two, a lower connecting cover is arranged at the bottom of the mounting flange one and the mounting flange two, a fixed bolt is arranged at the bottom of the two ends of the upper connecting cover, and a fixed nut is arranged at the top of the two ends of the lower connecting cover.

[0007] Preferably, the bottom end of the fixed bolt penetrates the inside of the upper connecting cover and the lower connecting cover, and the fixed nut is rotatably connected to the outside of the fixed bolt.

[0008] Preferably, the outer side of the shell is provided with an outer cover, and the top and bottom and both ends of the shell are respectively provided with a jack, and the top and bottom and both ends of the shell are respectively fixed with a fixed column, and the inside of the top end of the fixed column is provided with a screw hole, and the inside of the jack is inserted with a connecting bolt.

[0009] Preferably, the jack penetrates the inside of the outer cover, and the jack penetrates the inside of the jack and is rotatably connected in the screw hole.

[0010] Preferably, the left side of the outside of the shell is provided with an opening, and the right side of the outside of the shell is provided with a slot, and the opening and the slot respectively penetrate the inside of the shell.

[0011] Preferably, the opening and the slot are respectively annularly and equidistantly provided with a plurality of groups.

[0012] Preferably, the inside of the left side of the shell is fixed with a friction plate two, the left side of the shaft two penetrates the inside of the side cover and is fixed with a friction plate one, the left side of the outside of the shaft two is sleeved with a pressing plate, the top and bottom and both ends of the left side of the pressing plate are respectively fixed with a compression spring, and the left side of the compression spring is fixedly connected with the right side of the friction plate one.

[0013] Preferably, the top and bottom and both ends of the right side of the side cover are respectively provided with a threaded hole, and the inside of the threaded hole is threadedly connected with an adjusting bolt, and the left side of the adjusting bolt penetrates the inside of the threaded hole.

[0014] Compared with the prior art, the printing equipment torque limiter not only realizes the waterproof and dustproof of the outside of the two installation positions of the torque limiter, realizes the anti-collision protection of the outside of the torque limiter assembly, but also realizes the auxiliary heat dissipation of the inside of the torque limiter.

[0015] (1) By setting the shell, the mounting flange one, the shaft one, the side cover, the mounting flange two, the shaft two, the upper connecting cover, the lower connecting cover, the fixed bolt and the fixed nut, the torque limiter is connected and installed between the driving equipment and the inside rotating shaft of the printing equipment through the mounting flange one and the mounting flange two, and then the upper connecting cover and the lower connecting cover are respectively clamped on the outside of the mounting flange one and the mounting flange two at the top and the bottom of the installation position, and then the fixed bolt penetrates the inside of the upper connecting cover and the lower connecting cover, and then the fixed nut is screwed on the outside of the fixed bolt, so that the upper connecting cover and the lower connecting cover are installed and connected on the outside of the mounting flange one and the mounting flange two. The mounting flange one and the mounting flange two can assist in closing the outside of the two installation positions of the torque limiter, and the waterproof and dustproof of the outside of the two installation positions of the torque limiter is facilitated.

[0016] (2) By being provided with a shell, a fixed column, a screw hole, a connecting bolt, a insertion hole and an outer cover, when the torque limiter is installed and used, the outer cover can be sleeved outside the shell, then the connecting bolt is penetrated into the insertion hole and screwed into the screw hole in the fixed column, and the outer cover can be installed and fixed outside the shell, the outer cover can assist in covering and protecting the torque limiter from collision, and the damage of the torque limiter is reduced.

[0017] (3) By being provided with a shell, an opening, a side cover and a slot, when the torque limiter is installed and used, a plurality of openings and slots are arranged outside the shell at equal intervals, the openings and the slots can assist in ventilation of the inside of the limiter, heat generated during friction of the first friction plate and the second friction plate is assisted to be dissipated, and the stability of the torque limiter during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view of the sectional structure of the utility model;

[0019] Figure 2 It is an enlarged structure schematic view of the upper connecting cover of the utility model from the side;

[0020] Figure 3 It is a side view of the outer cover of the utility model;

[0021] Figure 4 It is a front view of the opening of the utility model.

[0022] In the drawing: 1, outer cover; 2, shell; 3, mounting flange one; 4, rotating shaft one; 5, opening; 6, fixed column; 7, screw hole; 8, connecting bolt; 9, insertion hole; 10, side cover; 11, threaded hole; 12, upper connecting cover; 13, mounting flange two; 14, lower connecting cover; 15, rotating shaft two; 16, adjusting bolt; 17, pressing plate; 18, compression spring; 19, first friction plate; 20, second friction plate; 21, fixed bolt; 22, fixed nut; 23, slot. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-4The utility model provides a kind of torsion limiter for printing equipment, including shell 2, the left side of shell 2 is fixed with pivot one 4, and the left side of the outside of pivot one 4 is fixed with mounting flange one 3, the right side of shell 2 is fixed with side cover 10, and the inside of the right side of side cover 10 is movably connected with pivot two 15, the right side of the outside of pivot two 15 is fixed with mounting flange two 13, the top end of the outside of mounting flange one 3 and mounting flange two 13 is separately provided with upper connecting cover 12, the bottom end of the outside of mounting flange one 3 and mounting flange two 13 is provided with lower connecting cover 14, the bottom of the both ends of upper connecting cover 12 is separately provided with fixed bolt 21, the top of the both ends of lower connecting cover 14 is separately provided with fixed nut 22;

[0025] the bottom of fixed bolt 21 is respectively penetrated the inside of upper connecting cover 12 and lower connecting cover 14, fixed nut 22 is rotatably connected in the outside of fixed bolt 21;

[0026] Specifically, as shown in Figure 1 And Figure 2 , torsion limiter can be installed and connected between driving equipment and the inside rotating shaft of printing equipment after being installed and connected with mounting flange one 3 and mounting flange two 13 respectively, after upper connecting cover 12 and lower connecting cover 14 are respectively clamped into the outside of mounting flange one 3 and mounting flange two 13 at the top end and bottom end outside the installation position of mounting flange one 3 and mounting flange two 13, then fixed bolt 21 is penetrated the inside of upper connecting cover 12 and lower connecting cover 14, and then fixed nut 22 is screwed in the outside of fixed bolt 21, upper connecting cover 12 and lower connecting cover 14 can be installed and connected in the outside of mounting flange one 3 and mounting flange two 13, the outside of the installation position of torsion limiter two sides can be assisted to be closed by mounting flange one 3 and mounting flange two 13, and the outside of the installation position of torsion limiter two sides can be assisted to be waterproof and dustproof.

[0027] The outside of shell 2 is provided with cover 1, and the top and bottom and both ends are respectively provided with jack 9, the top and bottom and both ends of shell 2 are respectively fixed with fixed column 6, and the inside of the top end of fixed column 6 is provided with screw hole 7, connecting bolt 8 is inserted in the inside of jack 9, jack 9 penetrates the inside of cover 1, and jack 9 penetrates the inside of jack 9 and is rotatably connected in screw hole 7;

[0028] Specifically, as shown in Figure 1 And Figure 3As shown, when the torsion limiter is installed for use, the outer cover 1 can be sleeved outside the shell 2, and then the connecting bolt 8 is inserted through the inner hole 9 and screwed into the inner hole of the screw hole 7 of the fixed column 6, so that the outer cover 1 is installed and fixed outside the shell 2. The outer cover 1 can assist in covering and protecting the torsion limiter from collision, reducing damage to the outside of the torsion limiter.

[0029] The left side of the shell 2 is provided with an opening 5, and the right side of the shell 2 is provided with a slot 23. The opening 5 and the slot 23 respectively penetrate the inside of the shell 2, and the opening 5 and the slot 23 are respectively annularly and equally spaced.

[0030] Specifically, as shown in Figure 1 and Figure 4 When the torsion limiter is installed for use, a plurality of openings 5 and slots 23 are equally spaced on the outside of the shell 2. The openings 5 and the slots 23 can assist in ventilation of the inside of the limiter, and assist in dissipating the heat generated by the friction of the inner friction plate 19 and the outer friction plate 20, thereby improving the stability of the torsion limiter when in use.

[0031] The left side of the shell 2 is fixed with the friction plate 20, and the left side of the shaft 15 penetrates the inside of the side cover 10 and is fixed with the friction plate 19. The left side of the shaft 15 is sleeved with the pressing plate 17, and the top and bottom of the left side of the pressing plate 17 are respectively fixed with the compression spring 18. The left side of the compression spring 18 is fixedly connected with the right side of the friction plate 19. The top and bottom of the right side of the side cover 10 are respectively provided with threaded holes 11, and the threaded holes 11 are screw-connected with adjusting bolts 16. The left side of the adjusting bolt 16 penetrates the inside of the threaded hole 11.

[0032] Working principle: the torsion limiter is connected and installed between installation flange one 3 and installation flange two 13 and the rotating shaft inside the driving equipment and the printing equipment respectively, then the upper connecting cover 12 and the lower connecting cover 14 are clamped into the outside of installation flange one 3 and installation flange two 13 respectively, then the fixed bolt 21 is used to penetrate the inside of the upper connecting cover 12 and the lower connecting cover 14, then the fixed nut 22 is used to be screwed on the outside of the fixed bolt 21, and the upper connecting cover 12 and the lower connecting cover 14 are installed and connected outside installation flange one 3 and installation flange two 13, the installation flange one 3 and the installation flange two 13 can assist in sealing, waterproofing and dustproofing the outside of the two connecting and installing positions of the torsion limiter, and when the torsion limiter is installed and used, the outer cover 1 is sleeved outside the shell 2, then the connecting bolt 8 is used to penetrate the inside of the insertion hole 9 and is screwed into the inside of the screw hole 7 of the fixed column 6, and the outer cover 1 is installed and fixed outside the shell 2, the outer cover 1 can assist in covering and protecting the outside of the torsion limiter from collision, and when the torsion limiter is installed and used, a plurality of groups of holes 5 and slots 23 are arranged outside the shell 2 at equal intervals, the holes 5 and the slots 23 can assist in ventilating the inside of the limiter and removing the heat generated by the friction of the friction plate one 19 and the friction plate two 20, improve the stability of the torsion limiter when used, the friction plate one 19 can be pressed on the right side of the friction plate two 20 by the pressure of the compression spring 18, and the torsion can be transmitted without obstruction, when the torsion of the driving equipment exceeds the set threshold value, the rotational torque of the driving side of the torsion limiter can overcome the pressure of the compression spring 18, so that the friction plate one 19 and the friction plate two 20 slide relative to each other, thereby limiting the output of the power torque of the driving equipment to the printing equipment, and the working threshold value of the torsion limiter can be adjusted by rotating the adjusting bolt 16 to change the tensioning degree of the compression spring 18, so as to adapt to different torque requirements of the printing equipment.

[0033] It is obvious to a person skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or essential characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A torque limiter for a printing apparatus comprising a housing (2), characterized in that: The left side of the shell (2) is fixed with a rotating shaft one (4), and the left side of the outside of the rotating shaft one (4) is fixed with a mounting flange one (3), the right side of the shell (2) is fixedly installed with a side cover (10), and the inside of the right side of the side cover (10) is movably connected with a rotating shaft two (15), the right side of the outside of the rotating shaft two (15) is fixed with a mounting flange two (13), the top of the outside of the mounting flange one (3) and the mounting flange two (13) is respectively provided with an upper connecting cover (12), and the bottom of the outside of the mounting flange one (3) and the mounting flange two (13) is provided with a lower connecting cover (14), the bottom of both ends of the upper connecting cover (12) is respectively provided with a fixed bolt (21), and the top of both ends of the lower connecting cover (14) is respectively provided with a fixed nut (22).

2. A torsion limiter for a printing apparatus according to claim 1, characterized in that: The bottom of the fixed bolt (21) respectively penetrates the inside of the upper connecting cover (12) and the lower connecting cover (14), and the fixed nut (22) is rotatably connected to the outside of the fixed bolt (21).

3. The torsion limiter for a printing apparatus according to claim 1, characterized by: The outside of the shell (2) is provided with an outer cover (1), and the top, bottom and both ends of the outer cover (1) are respectively provided with a jack (9), the top, bottom and both ends of the shell (2) are respectively fixed with a fixed column (6), and the inside of the top of the fixed column (6) is provided with a screw hole (7), and the inside of the jack (9) is inserted with a connecting bolt (8).

4. A torsion limiter for a printing apparatus according to claim 3, characterized in that: The jack (9) penetrates the inside of the outer cover (1), and the jack (9) penetrates the inside of the jack (9) and is rotatably connected in the screw hole (7).

5. The torsion limiter for a printing apparatus according to claim 1, characterized by: The left side of the outside of the shell (2) is provided with an opening (5), and the right side of the outside of the shell (2) is provided with a slot (23), and the opening (5) and the slot (23) respectively penetrate the inside of the shell (2).

6. A torsion limiter for a printing apparatus according to claim 5, wherein: The opening (5) and the slot (23) are respectively annularly and equidistantly provided with a plurality of groups.

7. The torsion limiter for a printing apparatus according to claim 1, characterized by: The left side of the inside of the shell (2) is fixed with a friction plate two (20), the left side of the rotating shaft two (15) penetrates the inside of the side cover (10) and is fixed with a friction plate one (19), the left side of the outside of the rotating shaft two (15) is sleeved with a pressing plate (17), the top, bottom and both ends of the left side of the pressing plate (17) are respectively fixed with a compression spring (18), and the left side of the compression spring (18) is fixedly connected with the right side of the friction plate one (19).

8. The torsion limiter for a printing device according to claim 1, wherein: The top, bottom and both ends of the right side of the side cover (10) are respectively provided with a threaded hole (11), and the inside of the threaded hole (11) is threadedly connected with an adjusting bolt (16), and the left side of the adjusting bolt (16) penetrates the inside of the threaded hole (11).

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