Printing plate roller with quick release structure

Abstract

The utility model relates to a printing plate roller with a quick release structure, which comprises an inner roller, a sleeve is sleeved outside the inner roller, and a locking ring for locking the sleeve is mounted in the inner roller; rotating shafts are installed on the front side and the rear side of the inner roller, a telescopic shaft is installed between the rotating shaft on the front side and the front side face of the inner roller, and locking mechanisms used for locking the telescopic shaft are installed in the rotating shafts; a connecting shaft is fixedly arranged on the rear side face of the inner roller and fixedly connected with the rotating shaft on the rear side, when patterns on the surface of a sleeve are fuzzy and need to be replaced, a technician unscrews a second bolt and pushes a telescopic shaft forwards, and then the printing plate roller with the quick release structure can be separated from the rotating shaft on the front side. And then the technician unscrews the first bolt, takes down the locking ring and swings the inner roller to enable the inner roller to obliquely face the rotating shaft on the front side, and then the sleeve can be taken down and replaced, so that the difficulty of replacement operation is effectively reduced, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a plate roller, especially a printing plate roller with quick release structure. BACKGROUND

[0002] The printing plate roller is a core component in the printing machine, is responsible for the information on the plate text through the ink printing to the surface of paper, plastic film and so on, thus is widely used in the food packaging, textile, label printing and so on.

[0003] The existing plate roller is mostly integral, when the pattern engraved on the surface of the plate roller is blurred due to long-term wear and tear, the whole plate roller needs to be disassembled and replaced, the replacement operation is difficult due to the heavy weight of the plate roller, and the maintenance cost is higher.

[0004] In view of this problem, the utility model provides a printing plate roller with quick release structure. UTILITY MODEL CONTENTS

[0005] The utility model provides a printing plate roller with quick release structure, solves the above problems existing in the prior art in use.

[0006] The technical scheme of the utility model is as follows: a printing plate roller with quick release structure, comprising an inner roller, a sleeve is arranged on the outer sleeve of the inner roller, a locking ring for locking the sleeve is arranged in the inner roller;

[0007] Rotary shafts are arranged on the front and back of the inner roller, a telescopic shaft capable of sliding forward and backward is arranged between the rotary shaft on the front side and the front surface of the inner roller, a locking mechanism for locking the telescopic shaft is arranged in the rotary shaft;

[0008] A connecting shaft is fixedly arranged on the back surface of the inner roller, and the connecting shaft is fixedly connected with the rotary shaft on the back side.

[0009] The utility model further provides that a resisting ring is fixedly arranged on the curved back side of the inner roller, positioning keys are fixedly arranged on the junction of the curved side wall of the inner roller and the resisting ring in a symmetrical manner up and down, a positioning groove is formed on the inner curved surface of the sleeve in a symmetrical manner up and down, and each positioning key is inserted into the corresponding positioning groove.

[0010] The utility model further provides that two locking keys in a symmetrical manner up and down are integrally formed on the locking ring.

[0011] The front edge of the inner curved surface of the sleeve is fixedly provided with a connecting ring.

[0012] The front edge of the outer curved surface of the sleeve is fixedly provided with a connecting ring.

[0013] The rear edge of the outer curved surface of the locking ring is fixedly provided with a mounting ring.

[0014] A plurality of first bolts are inserted into the mounting ring, and each first bolt is threadedly connected to the mounting ring.

[0015] The front side of the inner roller is provided with a sliding groove, and the telescopic shaft is slidably connected to the sliding groove.

[0016] The front side of the rotating shaft is provided with a first insertion slot with an opening facing backward, and the front side of the telescopic shaft is inserted into the first insertion slot.

[0017] The curved side wall of the first insertion slot is provided with a first perforation, the first perforation is provided with a second bolt, and the lower side of the second bolt is threadedly connected to the curved side wall of the telescopic shaft.

[0018] The connecting shaft comprises a fixed shaft and a hinged shaft, the fixed shaft is fixedly arranged on the rear side of the inner roller, and the front side of the hinged shaft is hinged to the fixed shaft.

[0019] The rear side of the rotating shaft is provided with a second insertion slot with an opening facing forward, and the rear side of the hinged shaft is mounted in the second insertion slot.

[0020] The curved side wall of the second insertion slot is provided with a second perforation, the second perforation is provided with a third bolt, and the lower side of the third bolt is threadedly connected to the curved side wall of the hinged shaft.

[0021] The utility model discloses the beneficial effects are as follows:

[0022] When the pattern on the surface of the sleeve is blurred and needs to be replaced, the technician loosens the second bolt and pushes the telescopic shaft forward, so that the printing plate roller with the quick release structure can be separated from the rotating shaft on the front side, then the technician loosens the first bolt and removes the locking ring, and then swings the inner roller to be inclined to face the rotating shaft on the front side, so that the sleeve can be removed and replaced, thereby effectively reducing the difficulty of replacement operation and reducing the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings described in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0024] Figure 1 It is an appearance structure schematic diagram of the present application;

[0025] Figure 2 It is a right view internal structure schematic diagram of the present application;

[0026] Figure 3 It is Figure 2 It is a local enlarged schematic diagram of A in the middle;

[0027] Figure 4 It is Figure 1 It is an appearance structure schematic diagram after removing the second bolt and the third bolt;

[0028] Figure 5 It is Figure 4 It is a partial explosion structure schematic diagram after removing two rotating shafts.

[0029] Reference numerals in the drawing: 11, inner roller; 12, sleeve; 13, locking ring; 14, rotating shaft; 15, telescopic shaft; 16, connecting shaft; 17, abutment ring; 18, positioning key; 19, positioning groove; 20, locking key; 21, locking half-groove; 22, locking groove; 23, connecting ring; 24, mounting ring; 25, first bolt; 26, sliding groove; 27, first insertion slot; 28, first through hole; 29, second bolt; 30, fixed shaft; 31, hinged shaft; 32, second insertion slot; 33, second through hole; 34, third bolt. DETAILED DESCRIPTION

[0030] The drawings needed to be used in the embodiments of the present application will be combined as follows. Figures 1-5 The technical solutions in the embodiments of the present application are described clearly and completely. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0031] Embodiment:

[0032] For example, Figures 1 to 5As shown, a printing plate roller with a quick release structure comprises an inner roller 11, a sleeve 12 is sleeved on the outer surface of the inner roller 11, the surface of the sleeve 12 is engraved with a printing pattern, a stop ring 17 is fixed on the rear side of the curved surface of the inner roller 11, a positioning key 18 is symmetrically fixed on the junction of the curved surface of the inner roller 11 and the stop ring 17, a positioning groove 19 is symmetrically formed on the rear side of the inner curved surface of the sleeve 12, after the sleeve 12 is sleeved on the outer curved surface of the inner roller 11, the rear side of the sleeve 12 abuts against the stop ring 17, and each positioning key 18 is inserted into the corresponding positioning groove 19, so as to limit the sleeve 12 and prevent the sleeve 12 from rotating relative to the inner roller 11 during printing.

[0033] A locking ring 13 is installed in the inner roller 11 for locking the sleeve 12, the specific connection mode of the locking ring 13 with the inner roller 11 and the sleeve 12 is that two symmetric locking keys 20 are integrally formed on the locking ring 13, two symmetric locking half-grooves 21 are formed on the front edge of the curved surface of the inner roller 11 and the inner curved surface of the sleeve 12, one locking half-groove 21 on the inner roller 11 and one locking half-groove 21 on the sleeve 12 on the same side form a locking groove 22, and two locking grooves 22 are symmetrically distributed, after the sleeve 12 is sleeved on the inner roller 11, the locking ring 13 is sleeved on the curved surface of the front side of the inner roller 11, and the two locking keys 20 are respectively inserted into the corresponding locking grooves 22, so as to further limit the sleeve 12 and prevent the sleeve 12 from rotating relative to the inner roller 11 during printing.

[0034] Further, a connecting ring 23 is fixed on the front side of the outer curved surface of the sleeve 12, a mounting ring 24 is fixed on the rear edge of the outer curved surface of the locking ring 13, a plurality of first bolts 25 are inserted into the mounting ring 24, after the locking keys 20 are inserted into the locking grooves 22, the first bolts 25 are tightened, and the first bolts 25 are threadedly connected to the mounting ring 24, so as to fix the sleeve 12 and prevent it from falling off the inner roller 11.

[0035] Further, the front and rear sides of the inner roller 11 are provided with rotating shafts 14, the printing plate roller with quick release structure is connected with the mounting platform through the rotating shafts 14 on the front and rear sides, a connecting shaft 16 is fixed on the rear side of the inner roller 11, and the connecting shaft 16 is specifically connected with the rotating shaft 14 on the rear side in the following mode: the connecting shaft 16 comprises a fixed shaft 30 and a hinged shaft 31, the fixed shaft 30 is fixed on the rear side of the inner roller 11, the front side of the hinged shaft 31 is hinged with the fixed shaft 30, the rotating shaft 14 on the rear side is provided with a second insertion slot 32 with a forward opening, a second perforation 33 is formed in the curved side wall of the second insertion slot 32, and a third bolt 34 is arranged in the second perforation 33; the hinged shaft 31 is inserted into the second insertion slot 32, and the third bolt 34 is screwed into the curved side wall of the hinged shaft 31, so that the inner roller 11 provided with the sleeve 12 is connected with the rotating shaft 14 on the rear side.

[0036] The front side of the rotating shaft 14 is provided with a telescopic shaft 15 capable of sliding forward and backward between the front side of the inner roller 11, and the telescopic shaft 15 is specifically connected with the rotating shaft 14 on the front side in the following mode: a sliding groove 26 is formed in the front side of the inner roller 11, the telescopic shaft 15 is slidingly connected into the sliding groove 26, a first insertion slot 27 with a rear opening is formed in the rotating shaft 14 on the front side, a first perforation 28 is formed in the curved side wall of the first insertion slot 27, a second bolt 29 is arranged in the first perforation 28, and after the hinged shaft 31 is connected with the rotating shaft 14 on the rear side, the front side of the telescopic shaft 15 is inserted into the first insertion slot 27, and the lower side of the second bolt 29 is screwed into the curved side wall of the telescopic shaft 15, so that the telescopic shaft 15 is locked and cannot be separated from the first insertion slot 27;

[0037] After the fixing is completed, the printing plate roller with quick release structure can be mounted on the mounting platform through the rotating shafts 14 on the front and rear sides, and the printing work can be started.

[0038] The working principle of the utility model is as follows: when the pattern on the surface of the sleeve 12 is blurred due to long-term wear, the second bolt 29 is separated from the telescopic shaft 15, the telescopic shaft 15 is moved backward so as not to be inserted into the first insertion slot 27, the first bolt 25 is loosened, and the locking ring 13 is removed;

[0039] At this time, the inner roller 11 is swung so as not to be on the same axis with the rotating shaft 14 on the front side, and then the sleeve 12 with blurred surface pattern can be removed, and a new sleeve 12 can be replaced.

[0040] If the inner roller 11 needs to be replaced, after the telescopic shaft 15 is separated from the front rotating shaft 14, the technician can unscrew the No. 3 bolt 34 and separate the articulated shaft 31 from the No. 2 slot 32, and then the entire inner roller 11 can be removed and replaced.

[0041] Meanwhile, it needs to be pointed out that the terms indicated by the utility model, such as "front", "rear", "vertical", "horizontal", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0042] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A printing roller with a quick-release structure, comprising an inner roller (11), characterized in that: The inner roller (11) is covered with a sleeve (12), and a locking ring (13) for locking the sleeve (12) is installed inside the inner roller (11). Rotating shafts (14) are installed on both the front and rear sides of the inner roller (11). A telescopic shaft (15) that can slide back and forth is installed between the rotating shaft (14) on the front side and the front side of the inner roller (11). A locking mechanism for locking the telescopic shaft (15) is installed inside the rotating shaft (14). A connecting shaft (16) is fixedly provided on the rear side of the inner roller (11), and the connecting shaft (16) is fixedly connected to the rotating shaft (14) on the rear side.

2. A printing roller with a quick-release structure according to claim 1, characterized in that: A stop ring (17) is fixedly provided at the rear edge of the curved surface of the inner roller (11). Positioning keys (18) are symmetrically fixed at the junction of the curved side wall of the inner roller (11) and the stop ring (17). Positioning grooves (19) are symmetrically opened at the rear edge of the inner curved surface of the sleeve (12). Each positioning key (18) is inserted into the corresponding positioning groove (19).

3. A printing roller with a quick-release structure according to claim 1, characterized in that: The locking ring (13) has two symmetrical locking keys (20) integrally formed on it. Two symmetrical locking half-grooves (21) are provided at the leading edge of the curved sidewall of the inner roller (11) and at the leading edge of the inner curved surface of the sleeve (12). The locking half-grooves (21) on one inner roller (11) and the locking half-grooves (21) on one sleeve (12) on the same side form a locking groove (22). The two locking grooves (22) are symmetrically distributed vertically. The locking key (20) is inserted into the corresponding locking groove (22).

4. A printing roller with a quick-release structure according to claim 3, characterized in that: A connecting ring (23) is fixed at the leading edge of the outer curved surface of the sleeve (12); A mounting ring (24) is fixed at the rear edge of the outer curved surface of the locking ring (13). A number of No. 1 bolts (25) are inserted into the mounting ring (24), and each No. 1 bolt (25) is threaded into the mounting ring (24).

5. A printing roller with a quick-release structure according to claim 1, characterized in that: The inner roller (11) has a sliding groove (26) on its front side, and the telescopic shaft (15) is slidably connected to the sliding groove (26) in the front and back. The rotating shaft (14) on the front side has a first slot (27) with the opening facing backward, and the front side of the telescopic shaft (15) is inserted into the first slot (27); A first through hole (28) is provided in the curved side wall of the first slot (27), and a second bolt (29) is provided in the first through hole (28). The lower side of the second bolt (29) is threaded to the curved side wall of the telescopic shaft (15).

6. A printing roller with a quick-release structure according to claim 1, characterized in that: The connecting shaft (16) includes a fixed shaft (30) and a hinge shaft (31). The fixed shaft (30) is fixed to the rear side of the inner roller (11), and the front side of the hinge shaft (31) is hinged to the fixed shaft (30). The rotating shaft (14) on the rear side has a second slot (32) with the opening facing forward, and the rear side of the hinge shaft (31) is installed in the second slot (32).

7. A printing roller with a quick-release structure according to claim 6, characterized in that: The second slot (32) has a second through hole (33) in its curved sidewall. A third bolt (34) is installed in the second through hole (33). The lower side of the third bolt (34) is threaded to the curved sidewall of the hinge shaft (31).

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