Printing roller mounting structure

Abstract

The utility model discloses a printing roller mounting structure, which is used for mounting a printing roller and comprises two oppositely arranged wallboards, a bearing seat and a bearing, the two wallboards are provided with mounting holes positioned on the same axis, the bearing seat is mounted in the mounting holes, and the bearing seat is mounted in the bearing seat. The two ends of the plate roller are installed in the bearing seats through the bearings respectively, and one end of the plate roller extends to the outer sides of the bearing seats and is provided with a synchronous belt wheel. Compared with the prior art, the plate roller mounting structure has the advantages that the arrangement of a transmission shaft is reduced, the single side of the plate roller is supported by double bearings, and higher-precision rotation of the plate roller is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coating equipment field, concretely relates to a plate roller mounting structure. BACKGROUND

[0002] At present, plate roller unilateral adopts single bearing support, precision is not high, and plate roller is connected between transmission shaft and transmission synchronous pulley through transmission shaft for the convenience of dismounting, and there is gap between transmission shaft and plate roller, which influences transmission.

[0003] As shown in Figure 1 And Figure 2 The conventional plate roller mounting structure includes wallboard 110, bearing seat 140, bearing seat subblock 160, bearing 150, transmission shaft 130 and synchronous belt 120, the power of motor is transmitted to synchronous belt 120 first, synchronous belt 120 is transmitted to transmission shaft 130, and then transmission shaft 130 drives plate roller 100 to rotate together. There is a large gap between transmission shaft 130 and plate roller 120, which can cause inaccurate transmission, and the transmission shaft 130 increases the dismounting workload, and the dismounting process is also relatively cumbersome, and the two ends of plate roller 100 adopt single bearing bearing, and the rotation precision is limited. UTILITY MODEL CONTENTS

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a plate roller mounting structure, which reduces the setting of transmission shaft and realizes higher-precision plate roller rotation.

[0005] The technical scheme adopted by the utility model to solve the technical problems is:

[0006] A plate roller mounting structure is used for mounting plate roller and includes two oppositely arranged wallboards and bearing seats, the two wallboards are provided with mounting holes on the same axis, the bearing seats are mounted in the mounting holes, bearings are fixed at the two ends of the plate roller, the plate roller is mounted in the bearing seats through the bearings, one end of the plate roller extends to the outside of the bearing seat, and a synchronous pulley is mounted at the end.

[0007] As a further improvement of the above technical scheme, the bearing is a double bearing structure.

[0008] As a further improvement of the above technical scheme, the wallboard includes a main plate and a dismounting plate, the main plate is provided with a first semicircular groove and a mounting opening in communication with the first semicircular groove, the dismounting plate is connected in the mounting opening, the dismounting plate is provided with a second semicircular groove, and the second semicircular groove and the first semicircular groove combine to form the mounting hole.

[0009] As a further improvement of the above technical scheme, the plate roller includes a main part and mounting necks at the two ends of the main part, the diameter of the mounting necks is smaller than that of the main part, and the bearing is sleeved on the mounting necks.

[0010] As a further improvement of the above technical solution, the connecting part is provided with a fixing member, the fixing member comprises a fixing screw and a pulley cover plate, the pulley cover plate is sleeved on the fixing screw, and the pulley cover plate is abutted against the side, away from the mounting neck, of the synchronous pulley when the fixing screw is threadedly connected to the threaded hole of the connecting part axis.

[0011] As a further improvement of the above technical solution, the mounting neck close to the side of the connecting part is threadedly connected with a first round nut, and a first spacer sleeve is arranged between the first round nut and the bearing on the mounting neck.

[0012] As a further improvement of the above technical solution, the mounting neck away from the side of the connecting part is threadedly connected with a second round nut, and a second spacer sleeve is arranged between the second round nut and the bearing on the mounting neck.

[0013] As a further improvement of the above technical solution, the mounting neck away from the side of the connecting part is threadedly connected with a second round nut, and a second spacer sleeve is arranged between the second round nut and the bearing on the mounting neck.

[0014] As a further improvement of the above technical solution, the outer side of the bearing seat away from the side of the synchronous pulley and the outer side of the bearing seat close to the side of the synchronous pulley are both connected with sealing covers.

[0015] As a further improvement of the above technical solution, the inner side of the bearing seat away from the side of the synchronous pulley and the inner side of the bearing seat close to the side of the synchronous pulley are both provided with bearing gland nuts.

[0016] The beneficial effects of the present application are as follows: compared with the prior art, the present application reduces the setting of the transmission shaft, realizes higher transmission precision of the plate roller rotation, adopts double bearing support on one side of the plate roller, and further improves the transmission precision of the plate roller rotation; in addition, the separated wall plate ensures convenient disassembly and assembly. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application will be further described below in combination with the drawings and embodiments.

[0018] Figure 1 is an assembly schematic view of a conventional plate roller mounting structure in the background art;

[0019] Figure 2 is a sectional view of a conventional plate roller mounting structure in the background art;

[0020] Figure 3 is an assembly schematic view of a plate roller mounting structure in the embodiment of the present application;

[0021] Figure 4 is a sectional view of a conventional roller mounting structure in the embodiments of the present application.

[0022] Reference signs: 200, roller; 201, main body part; 202, first mounting neck part; 203, second mounting neck part; 204, connecting part; 210, main body plate; 211, dismounting plate; 220, first bearing seat; 221, second bearing seat; 230, synchronous pulley; 231, pulley cover plate; 232, fixing screw; 240, first bearing; 241, second bearing; 250, first bearing gland; 251, second bearing gland; 260, second round nut; 270, first spacer sleeve; 271, second spacer sleeve; 280, first round nut; 290, second sealing cover; 291, first sealing cover. DETAILED DESCRIPTION

[0023] The concept, specific structure and generated technical effects of the present application will be described clearly and completely in combination with the embodiments and drawings, so as to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments, and other embodiments obtained by those skilled in the art without creative labor based on the embodiments of the present application all belong to the scope of protection of the present application. In addition, all the coupling / connection relationships involved in the patent do not mean that the components are directly connected, but means that a better coupling structure can be composed by adding or reducing coupling auxiliary components according to the specific implementation situation, such as fixing connection / installation which can be connected by auxiliary components such as screws, bolts, etc., or directly connected by welding, bonding, etc. The technical features in the present application can be combined interactively without mutual contradiction and conflict.

[0024] Reference Figure 3 , Figure 4 The embodiments of the present application provide a roller mounting structure for mounting the roller 200, which comprises two oppositely arranged wall plates, one mounting hole is arranged on each of the two wall plates, the two mounting holes are located on the same axis, a first bearing seat 220 and a second bearing seat 221 are mounted in the two mounting holes, the two ends of the roller 200 are respectively installed in the first bearing seat 220 and the second bearing seat 221 through a first bearing 240 and a second bearing 241, one end of the roller 200 extends to the outside of the first bearing seat 220, and a synchronous pulley 230 is mounted at the end.

[0025] Through the above arrangement, when the motor drives the synchronous pulley to rotate, the roller 200 is directly driven to rotate, and the transmission precision is higher than that of the transmission shaft in the prior art.

[0026] Further, the first bearing 240 and the second bearing 241 both adopt a double bearing structure, which means two bearings are installed side by side, so as to improve the carrying capacity, increase the stability, and realize higher precision rotation of the plate roller 200.

[0027] In the embodiment, the wall plate comprises a main plate 210 and a detachable plate 211, the main plate 210 is provided with a first semicircular groove and a mounting hole communicated with the first semicircular groove, the width of the mounting hole is greater than the diameter of the first semicircular groove, the detachable plate 211 is connected in the mounting hole, the detachable plate 211 is provided with a second semicircular groove, the second semicircular groove and the first semicircular groove combine to form the mounting hole, and the first bearing seat 220 and the second bearing seat 221 are fixedly connected with the wall plate by screws. In this way, only the screws need to be rotated to realize the mounting and dismounting of the detachable plate 211, the first bearing seat 220 and the second bearing seat 221, so as to facilitate the plate roller 200 and the bearing seat to be quickly taken off or mounted on the wall plate as a whole, and the mounting and dismounting are convenient.

[0028] In some embodiments, the plate roller 200 comprises a main body 201 and mounting necks at both ends of the main body 201, the diameter of the mounting necks is smaller than the diameter of the main body 201, so as to form a shaft shoulder at the connection position, thereby facilitating the mounting of the bearing, the two mounting necks are respectively named as a first mounting neck 202 and a second mounting neck 203, the first bearing 240 is sleeved on the first mounting neck 202, and the first mounting neck 202 is further provided with a first spacer sleeve 270 and a second circular nut 260, the second circular nut 260 is fixedly connected with the first mounting neck 202 through a locking screw, and the first spacer sleeve 270 is arranged between the second circular nut 260 and the first bearing 240, so as to realize the axial fixation of the inner ring of the first bearing 240 through the shaft shoulder of the first mounting neck 202 and the main body 201, the first spacer sleeve 270 and the second circular nut 260.

[0029] The first bearing seat 220 is provided with a first bearing gland 250 and a first sealing cover 291 on both sides, the first bearing gland 250 is used to press the first bearing 240, and the bearing gland 250 and the main body 201 of the plate roller 200 are sealed by an oil seal, and the first sealing cover 291 is used to seal the other side of the first bearing seat 220, so as to protect the first bearing 240 in the first bearing seat 220 from dust and the like, and improve the service life.

[0030] It can be understood that the second bearing 241 is sleeved on the second mounting neck 203, and the second mounting neck 203 is further provided with a second spacer sleeve 271 and a first circular nut 280, the first circular nut 280 is threadedly connected with the second mounting neck 203, and the second spacer sleeve 271 is arranged between the first circular nut 280 and the second bearing 241, so that the axial fixing of the inner ring of the first bearing 240 is realized through the shaft shoulder of the second mounting neck 203 and the main body 201, the second spacer sleeve 271 and the first circular nut 280.

[0031] The inner side of the second bearing seat 221 is provided with a second bearing gland 251 for pressing the second bearing 241, and the second bearing gland 251 is sealed with the main body 201 through an oil seal, and the outer side of the second bearing seat 221 is provided with a second sealing cover 290 for sealing the outer side of the second bearing seat 221, and the second bearing 241 in the second bearing seat 221 is protected from dust and the like through the bearing gland 250 and the sealing cover 290, thereby improving the service life.

[0032] In the embodiment, the plate roller 200 further comprises a connecting portion 204 connected to the end of the first mounting neck 202, the diameter of the connecting portion 204 is smaller than that of the first mounting neck 202, so as to form a shaft shoulder, the synchronous belt pulley 230 is mounted on the connecting portion 204, and the connecting portion 204 is provided with a fixing member comprising a fixing screw 232 and a pulley cover plate 231, the pulley cover plate 231 is sleeved on the fixing screw 232, when the fixing screw 232 is threadedly connected with the threaded hole of the axis of the connecting portion 204, the pulley cover plate 231 abuts against the side of the synchronous belt pulley 230 away from the mounting neck, so that the axial fixing of the synchronous belt pulley 230 is realized through the shaft shoulder at the connecting portion of the first mounting neck 202 and the main body 201 and the pulley cover plate 231.

[0033] The above is a specific description of the preferred embodiment of the utility model, but the utility model is not limited to the embodiment, and various equivalent modifications or replacements can be made by those skilled in the art without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the present application.

Claims

1. A plate roll mounting structure for mounting of a plate roll, characterized by: The plate roller comprises two oppositely arranged wall plates and a bearing seat, mounting holes in the same axis are arranged on the wall plates, the bearing seat is mounted in the mounting holes, bearings are fixed on both ends of the plate roller, the plate roller is mounted in the bearing seat through the bearings, one end of the plate roller extends to the outside of the bearing seat, and a synchronous pulley is mounted on the end.

2. A plate cylinder mounting structure according to claim 1, characterized in that: The bearing is a double bearing structure.

3. A plate cylinder mounting structure according to claim 1, characterized in that: The wall plate comprises a main plate and a detachable plate, a first semicircular groove and a mounting port in communication with the first semicircular groove are arranged on the main plate, the detachable plate is connected in the mounting port, a second semicircular groove is arranged on the detachable plate, and the second semicircular groove and the first semicircular groove combine to form the mounting hole.

4. The plate cylinder mounting structure as claimed in claim 1, characterized in that: The plate roller comprises a main body and mounting necks at both ends of the main body, the diameter of the mounting necks is smaller than the diameter of the main body, and the bearing is sleeved on the mounting necks.

5. A plate cylinder mounting structure according to claim 4, characterized in that: The plate roller further comprises a connecting portion on one side of one of the mounting necks, the diameter of the connecting portion is smaller than the diameter of the mounting neck, and the synchronous pulley is mounted on the connecting portion.

6. A plate cylinder mounting structure according to claim 5, characterized in that: A fixing member is arranged on the connecting portion, the fixing member comprises a fixing screw and a pulley cover plate, the pulley cover plate is sleeved on the fixing screw, and when the fixing screw is threadedly connected to a threaded hole in the axis of the connecting portion, the pulley cover plate abuts against one side of the synchronous pulley away from the mounting neck.

7. A plate cylinder mounting structure according to claim 5, characterized in that: A first circular nut is threadedly connected to the mounting neck near the connecting portion, and a first spacer sleeve is arranged between the first circular nut and the bearing on the mounting neck.

8. A plate cylinder mounting structure according to claim 5, characterized in that: A second circular nut is threadedly connected to the mounting neck away from the connecting portion, and a second spacer sleeve is arranged between the second circular nut and the bearing on the mounting neck.

9. The plate cylinder mounting structure as claimed in claim 1, characterized in that: Sealing covers are connected to the outside of the bearing seat away from the synchronous pulley and the outside of the bearing seat near the synchronous pulley.

10. The plate cylinder mounting structure as claimed in claim 1, characterized in that: Bearing pressing covers are arranged on the inside of the bearing seat away from the synchronous pulley and the inside of the bearing seat near the synchronous pulley.

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