Roll shaft device convenient to disassemble, assemble and replace

Abstract

The utility model relates to the field of roll shaft devices, in particular to a roll shaft device convenient to disassemble, assemble and replace, which comprises a roll shaft body and further comprises support frames arranged at two ends of the roll shaft body, a first connecting seat and a second connecting seat are respectively arranged on the two support frames, the first connecting seat is rotatably connected with the support frames, and the second connecting seat is slidably connected with the support frames. The first connecting base and the second connecting base are fixedly clamped with the two ends of the roller shaft body through clamping assemblies correspondingly, the end, extending to the outer side of the supporting frame, of the first connecting base is provided with a transmission connecting assembly, and a driving device is fixedly installed at the bottom of the roller shaft body. A worker only needs to loosen the locking bolt, the roller body is supported through the roller supporting rod, the roller body is clamped through the side baffles on the two sides, the roller body can be pushed to move through the pushing air cylinder, the roller body and the connecting base are separated, disassembly is convenient, the roller body is prevented from falling off and being injured, and practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to roller shaft device field, especially convenient to dismount and replace's roller shaft device. BACKGROUND

[0002] Roller shaft device after installation, generally need to adapt driving structure, to drive the roller shaft to rotate, realize the work, so as to adapt to the rotation state, the connection of roller shaft is mostly two ends fixed, through bolt, interference etc. and the connection end carries out the connection fixed;

[0003] Patent number (CN220147069U) discloses a wide adjustable roller shaft device, relates to roller shaft device field, and the roller shaft device aims at solving the technical problem that traditional embossing roller shaft cannot adapt to the width adjustment of different width printing products, and the roller shaft device comprises a plurality of short roller shaft axial splicing roller shaft assemblies, a fixed support arranged at the rear side of the roller shaft assembly and a movable support arranged at the front side of the roller shaft assembly, one end of the short roller shaft is fixedly connected with a clamping joint with a protruding structure on the outer edge, the other end of the short roller shaft is provided with a clamping interface matched with the clamping joint, a base is fixedly installed at the lower end of the fixed support, an adjusting opening matched with the short roller shaft is arranged at the upper end of the movable support, and a supporting plate is arranged at the front end of the roller shaft assembly, the roller shaft device adopts a plurality of short roller shafts combined and assembled into an embossing roller shaft assembly, a proper number of short roller shafts can be selected to splice to form a roller shaft device suitable for printing product printing according to the needs of different width printing products, the width can be adjusted, and the roller shaft device is flexible to use.

[0004] The existing roller shaft device mostly adopts bolt fastening or interference fit, although the installation mode is relatively simple, but when disassembling, the matched tool is needed, however, the space of the connecting part is limited, so that the tool used is very limited, and when the size of the roller shaft device is large, the disassembly is easy to cause bruise accident, and the safety is low. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that the existing roller shaft device is inconvenient to disassemble and has safety hazards.

[0006] The utility model discloses a technical scheme for the roll shaft device convenient to disassemble and replace, comprising a roll shaft body, two support frames arranged at the two ends of the roll shaft body, a connecting seat one and a connecting seat two arranged on the two support frames respectively, the connecting seat one and the support frame being rotationally connected, the connecting seat two and the support frame being slidingly connected, the connecting seat one and the connecting seat two being clamped and fixed to the two ends of the roll shaft body through a clamping assembly, a transmission connecting assembly arranged on the outer side of the support frame and extending from the end of the connecting seat one, a driving device fixedly installed at the bottom of the roll shaft body, the transmission connecting assembly being used for transmitting the power of the driving device to the roll shaft body to drive the roll shaft body to rotate, a dismounting and connecting assembly arranged on the outer side of the support frame and extending from the end of the connecting seat two, a lifting groove arranged on the inner wall of the roll shaft body, a lifting assembly installed in the lifting groove, and a carrier roller assembly installed on the outer side of the roll shaft body, the lifting assembly being capable of driving the carrier roller assembly to move up and down.

[0007] The clamping assembly comprises lock bolts threadedly installed on the two sides of the connecting seat one and the connecting seat two, the surfaces of the connecting seat one and the connecting seat two are provided with butt joints, the two ends of the roll shaft body are sleeved with the butt joints, when the lock bolts are rotated in the forward direction, the lock bolts enter the butt joints to clamp and fix the ends of the roll shaft body, and when the lock bolts are rotated in the reverse direction, the lock bolts are separated from the butt joints to release the ends of the roll shaft body.

[0008] The carrier roller assembly comprises a carrier roller rod, a lifting frame sleeved with the outer side of the roll shaft body, mounting side plates slidingly installed on the front and back sides of the lifting frame through slide rails, the two mounting side plates being rotationally connected to the two ends of the carrier roller rod, and the carrier roller rod being used for abutting against and supporting the bottom of the roll shaft body.

[0009] As a preferred embodiment, the transmission connecting assembly comprises a transmission wheel one fixedly installed on the connecting seat one, a transmission wheel two fixedly installed at the output end of the driving device, and the transmission wheel one and the transmission wheel two being connected through a belt, so that when the driving device drives the transmission wheel one to rotate, the transmission wheel two can transmit the power to the connecting seat one.

[0010] As a preferred embodiment, the dismounting and connecting assembly comprises a movable plate, the connecting seat two and the movable plate being rotationally connected, the two sides of the movable plate being movably connected to the support frame through telescopic cylinders, and when the telescopic cylinders push the movable plate to move, the connecting seat two is synchronously moved outward.

[0011] As a preferred embodiment, the lifting assembly comprises a lead screw installed in the lifting groove, a servo motor fixedly installed at the bottom of the inner side of the lifting groove, the output end of the servo motor being fixedly connected to one end of the lead screw, the other end of the lead screw being rotationally connected to the top of the lifting groove, a lifting block threadedly installed on the surface of the lead screw, and the lifting block and the lifting groove being slidingly connected, so that when the servo motor drives the lead screw to rotate, the lifting block moves upward or downward on the lead screw.

[0012] As preferred, the lifting block and the inner wall of the lifting frame are fixedly connected, and the movement of the lifting block can drive the lifting frame to move upward or downward.

[0013] As preferred, a side baffle is fixedly installed between the two mounting side plates and located at the side of the lifting frame, and the side baffle is used to abut against the end face of the roller shaft body.

[0014] As preferred, the outer ends of the two mounting side plates are fixedly connected through a connecting plate, a push cylinder is fixedly installed on the connecting plate, the output end of the push cylinder is fixedly connected with the lifting frame, and when the push cylinder is extended or retracted, the mounting side plates can be driven to move outward or inward.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1. The roller shaft device convenient to disassemble and replace, when disassembled, personnel only needs to loosen the locking bolt, forms bearing to the roller shaft body through the carrier roller rod, and the side baffles on both sides form clamping to the roller shaft body, the roller shaft body is moved by using the push cylinder, the roller shaft body and the connecting seat are separated, disassembly is facilitated, falling and bruising of the roller shaft body are prevented, and practicality is improved.

[0017] 2. The roller shaft device convenient to disassemble and replace, when installed, the roller shaft body is placed on the carrier roller rod, clamping positioning is formed by using the side baffles, the roller shaft body is lifted and moved by the lifting assembly, butt joint of the roller shaft body and the connecting seat is facilitated, installation misplacement is prevented, and installation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The overall structure schematic diagram of the roller shaft device convenient to disassemble and replace is shown.

[0019] Figure 2 The second connecting seat structure schematic diagram of the roller shaft device convenient to disassemble and replace is shown.

[0020] Figure 3 The first connecting seat structure schematic diagram of the roller shaft device convenient to disassemble and replace is shown.

[0021] Figure 4 The lifting groove structure schematic diagram of the roller shaft device convenient to disassemble and replace is shown.

[0022] Figure 5 The lifting frame structure schematic diagram of the roller shaft device convenient to disassemble and replace is shown.

[0023] Explanation of reference signs: 1, roller shaft body; 2, support frame; 21, connecting seat one; 22, connecting seat two; 23, locking bolt; 3, driving device; 31, transmission wheel one; 32, transmission wheel two; 33, movable plate; 34, telescopic cylinder; 4, lifting groove; 41, screw rod; 42, servo motor; 43, lifting block; 5, carrier roller rod; 51, lifting frame; 52, mounting side plate; 53, side baffle; 54, pushing cylinder. DETAILED DESCRIPTION

[0024] The utility model is further explained below in combination with the drawings and examples.

[0025] Please refer to Figures 1-5 , the utility model provides a kind of example: the roller shaft device of easy dismounting replacement, including roller shaft body 1, still including the support frame 2 being arranged at the both ends of roller shaft body 1, two support frames 2 are respectively provided with connecting seat one 21 and connecting seat two 22, connecting seat one 21 and support frame 2 are rotationally connected, connecting seat two 22 and support frame 2 are slidably connected, and connecting seat one 21, connecting seat two 22 are respectively and the both ends between roller shaft body 1 are formed clamping fixed by clamping assembly, the end of connecting seat one 21 extends to the outside of support frame 2 and is provided with transmission connection component, the bottom of roller shaft body 1 is fixedly installed with driving device 3 (driving device 3 is the structure or power source of driving roller shaft body 1 rotation), transmission connection component is used to transmit the power of driving device 3 to roller shaft body 1, drives roller shaft body 1 to rotate and work, the end of connecting seat two 22 extends to the outside of support frame 2 and is provided with dismounting connection component, lifting groove 4 is set up on the inner wall of roller shaft body 1, lifting assembly is installed in lifting groove 4, carrier roller assembly is installed on the outside of roller shaft body 1, lifting assembly can drive carrier roller assembly to lift and move;Clamping assembly includes locking bolt 23 that is installed in the both sides of connecting seat one 21 and connecting seat two 22 with screw thread, the surface of connecting seat one 21 and connecting seat two 22 is all provided with butt joint groove, butt joint groove and the both ends of roller shaft body 1 are sleeved, when locking bolt 23 is rotated forward, locking bolt 23 enters butt joint groove and the end of roller shaft body 1 is formed clamping fixed, when locking bolt 23 is reversed, locking bolt 23 is separated from butt joint groove and can loosen the end of roller shaft body 1;Carrier roller assembly includes carrier roller rod 5, lifting frame 51 is sleeved on the outside of roller shaft body 1, mounting side plate 52 is slidably installed on the front and back sides of lifting frame 51 by slide rail, two mounting side plates 52 are respectively rotationally connected with the both ends of carrier roller rod 5, carrier roller rod 5 is used to form the support of the bottom of roller shaft body 1, and the support of roller shaft body 1 can be realized using carrier roller assembly, when dismounting, prevent roller shaft body 1 from falling, improve security, can drive roller shaft body 1 to move simultaneously, facilitate the disengagement and butt joint between roller shaft body 1 and connecting seat, improve convenience.

[0026] Please refer to Figure 1 ,Figure 2 And Figure 3 In this embodiment, the transmission connection assembly includes a transmission wheel one 31 fixedly installed on the connecting seat one 21, and the output end of the driving device 3 is fixedly installed with a transmission wheel two 32. The transmission wheel one 31 and the transmission wheel two 32 are connected through a belt transmission. When the driving device 3 drives the transmission wheel one 31 to rotate, the transmission wheel two 32 can transmit power to the connecting seat one 21. The disassembly and assembly assembly includes a movable plate 33. The connecting seat two 22 is rotatably connected with the movable plate 33. The two sides of the movable plate 33 are movably connected with the supporting frame 2 through the telescopic cylinder 34. When the telescopic cylinder 34 pushes the movable plate 33 to move, the connecting seat two 22 is synchronously driven to move outward. The power of the driving device 3 is transmitted through the transmission connection assembly to drive the roller shaft body 1 to rotate. When disassembling, the telescopic cylinder 34 drives the connecting seat two 22 to move, so that the connecting seat and the roller shaft body 1 have a gap, which provides an operation space for disassembly.

[0027] Please refer to Figure 2 And Figure 4 In this embodiment, the lifting assembly includes a lead screw 41 installed in the lifting groove 4. The bottom of the inner side of the lifting groove 4 is fixedly installed with a servo motor 42. The output end of the servo motor 42 is fixedly connected with one end of the lead screw 41. The other end of the lead screw 41 is rotatably connected with the top of the lifting groove 4. The surface of the lead screw 41 is threadedly installed with a lifting block 43. The lifting block 43 is slidably connected with the lifting groove 4. When the servo motor 42 drives the lead screw 41 to rotate, the lifting block 43 moves upward or downward on the lead screw 41. The lifting block 43 is fixedly connected with the inner wall of the lifting frame 51. The movement of the lifting block 43 can drive the lifting frame 51 to move upward or downward. The rotation of the lead screw 41 driven by the servo motor 42 can drive the lifting block 43 to move up and down, and synchronously drive the roller shaft body 1 to move.

[0028] Please refer to Figure 1 , Figure 3 And Figure 5 In this embodiment, the side baffle 53 is fixedly installed between the two installation side plates 52 located at the side of the lifting frame 51. The side baffle 53 is used to abut with the end face of the roller shaft body 1. The outer ends of the two installation side plates 52 are fixedly connected through a connecting plate. The connecting plate is fixedly installed with a pushing cylinder 54. The output end of the pushing cylinder 54 is fixedly connected with the lifting frame 51. When the pushing cylinder 54 is extended or retracted, it can drive the installation side plate 52 to move outward or inward. The two installation side plates 52 can clamp the roller shaft body 1. Not only is the positioning of the roller shaft body 1 during installation convenient, but also the roller shaft body 1 can be moved during disassembly. The roller shaft body 1 moves to one side and can be separated from the connecting seat, improving the convenience.

[0029] Working principle: when installing the roller shaft body 1, the roller shaft body 1 is placed on the carrier roller rod 5, and the two side plates 53 are clamped and positioned on the roller shaft body 1, then the servo motor 42 drives the screw rod 41 to rotate, drives the lifting frame 51 to move upwards, at this time, the installation side plate 52 is pushed to move to one side by the push cylinder 54, so that the roller shaft body 1 and the connecting seat one 21 are dislocated, the roller shaft body 1 can be sent between the two connecting seats, at this time, the push cylinder 54 drives the roller shaft body 1 to reset, the one end of the roller shaft body 1 and the butt joint groove on the connecting seat one 21 form plug-in, personnel twist the locking bolt 23, the connecting seat one 21 and the roller shaft body 1 are fixed, finally the connecting seat two 22 is pushed to move by the telescopic cylinder 34, the other end of the roller shaft body 1 and the butt joint groove on the connecting seat two 22 form plug-in, and the locking bolt 23 is twisted to fix, the overall working efficiency is better;

[0030] When disassembling, first adjust the position of the lifting frame 51, so that the carrier roller rod 5 is in contact with the roller shaft body 1 to form support, and personnel loosen the locking bolt 23 on both sides, loosen the fixing between the connecting seat and the roller shaft body 1, then the telescopic cylinder 34 pushes the connecting seat two 22 to move, the connecting seat two 22 is separated, after separation, the roller shaft body 1 is moved by the push cylinder 54, so that the roller shaft body 1 and the connecting seat one 21 are separated, the disassembly is completed, at this time the carrier roller rod 5 supports the roller shaft body 1 to prevent falling.

[0031] Through the above steps, the carrier roller assembly can realize the support of the roller shaft body 1, prevent the roller shaft body 1 from falling during disassembly, improve the safety, at the same time, the roller shaft body 1 can be driven to move, facilitate the disengagement and butt joint between the roller shaft body 1 and the connecting seat, improve the convenience, to solve the problems of existing roller shaft device disassembly is more inconvenient, and there are safety hidden troubles.

Claims

1. Roll shaft device which is easy to disassemble and replace, comprising a roll shaft body (1), characterized in that: The both ends of the roller body (1) are provided with support frames (2), the both support frames (2) are respectively provided with connecting seats one (21) and two (22), the connecting seat one (21) is rotatably connected with the support frame (2), the connecting seat two (22) is slidably connected with the support frame (2), the connecting seat one (21) and the connecting seat two (22) are clamped and fixed by the clamping assembly, the end of the connecting seat one (21) extends to the outside of the support frame (2) and is provided with a transmission connection assembly, the bottom of the roller body (1) is fixedly installed with a driving device (3), the transmission connection assembly is used for transmitting the power of the driving device (3) to the roller body (1), and the roller body (1) is driven to rotate and work, the end of the connecting seat two (22) extends to the outside of the support frame (2) and is provided with a dismounting connection assembly, a lifting groove (4) is formed in the inner wall of the roller body (1), a lifting assembly is installed in the lifting groove (4), and a supporting roller assembly is installed on the outside of the roller body (1); the lifting assembly can drive the supporting roller assembly to move up and down. The clamping assembly comprises lock bolts (23) which are screw-installed on the both sides of the connecting seat one (21) and the connecting seat two (22), the surfaces of the connecting seat one (21) and the connecting seat two (22) are provided with butt joints, the butt joints are sleeved with the both ends of the roller body (1), when the lock bolt (23) is rotated forward, the lock bolt (23) enters the butt joint to clamp and fix the end of the roller body (1), when the lock bolt (23) is rotated reversely, the lock bolt (23) is separated from the butt joint to release the end of the roller body (1). The supporting roller assembly comprises a supporting roller rod (5), a lifting frame (51) is sleeved with the outside of the roller body (1), mounting side plates (52) are slidably installed on the front and rear sides of the lifting frame (51) through slide rails, the both ends of the supporting roller rod (5) are rotatably connected with the two mounting side plates (52), and the supporting roller rod (5) is used for abutting and supporting the bottom of the roller body (1).

2. The easily replaceable roller assembly of claim 1, wherein: The transmission connection assembly comprises a transmission wheel one (31) which is fixedly installed on the connecting seat one (21), an output end of the driving device (3) is fixedly installed with a transmission wheel two (32), the transmission wheel one (31) and the transmission wheel two (32) are connected through a belt, when the driving device (3) drives the transmission wheel one (31) to rotate, the transmission wheel two (32) can transmit the power to the connecting seat one (21).

3. The easily replaceable roller assembly of claim 1, wherein: The dismounting connection assembly comprises a movable plate (33), the connecting seat two (22) is rotatably connected with the movable plate (33), the both sides of the movable plate (33) are movably connected with the support frame (2) through telescopic air cylinders (34), when the telescopic air cylinder (34) pushes the movable plate (33) to move, the connecting seat two (22) is synchronously driven to move outward.

4. The easily removable and replaceable roller arrangement of claim 1, wherein: The lifting assembly comprises a screw rod (41) installed in a lifting groove (4), a servo motor (42) fixedly installed at the bottom of the inner side of the lifting groove (4), the output end of the servo motor (42) is fixedly connected with one end of the screw rod (41), the other end of the screw rod (41) is rotatably connected with the top of the lifting groove (4), the surface of the screw rod (41) is threadedly installed with a lifting block (43), the lifting block (43) is slidably connected with the lifting groove (4), when the servo motor (42) drives the screw rod (41) to rotate, the lifting block (43) moves upwards or downwards on the screw rod (41).

5. The easily replaceable roller assembly of claim 4, wherein: The lifting block (43) is fixedly connected with the inner wall of the lifting frame (51), the movement of the lifting block (43) can drive the lifting frame (51) to move upwards or downwards.

6. The easily removable and replaceable roller arrangement of claim 1, wherein: The side baffle (53) is fixedly installed between the two installation side plates (52) and located at the side of the lifting frame (51), the side baffle (53) is used to abut against the end face of the roller shaft body (1).

7. The easily removable and replaceable roller arrangement of claim 1, wherein: The outer ends of the two installation side plates (52) are fixedly connected through a connecting plate, the push cylinder (54) is fixedly installed on the connecting plate, the output end of the push cylinder (54) is fixedly connected with the lifting frame (51), when the push cylinder (54) is extended or retracted, the installation side plates (52) can be driven to move outward or inward.

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