CN210312796U

CN210312796U - Rolling shaft protection device

Info

Publication number: CN210312796U
Application number: CN201920788833.7U
Authority: CN
Inventors: 黄新福
Original assignee: Jiangmen Nantian Machinery Manufacturing Co ltd
Current assignee: Jiangmen Nantian Machinery Manufacturing Co ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-04-14
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a rolling shaft protection device, which relates to the field of splitting machine equipment and comprises a mounting frame and a rolling shaft, wherein one end of the rolling shaft is connected to the mounting frame, and the other end of the rolling shaft is arranged in a hanging way; the winding device comprises a winding shaft, a winding mechanism, a first power mechanism and a second power mechanism, wherein the hanging end of the winding shaft is connected with a protection mechanism, the protection mechanism comprises a supporting arm and a supporting arm seat, one end of the supporting arm is hinged with the supporting arm seat, the other end of the supporting arm is provided with a supporting part matched with the winding shaft, and the supporting arm is connected with the first power mechanism which drives the supporting arm to swing to abut against or be far away from the winding shaft; the mounting frame is provided with a connecting rod, the connecting rod is provided with a guide rail arranged along the axial direction of the winding shaft, the supporting arm seat is connected to the guide rail in a sliding mode, and the supporting arm seat is locked by the first locking screw rod. The utility model has scientific, reasonable and compact structure design, can effectively prevent the rolling shaft from being bent, and prolongs the service life of the rolling shaft; the concentricity of the winding shaft during running and winding can be ensured, and the winding quality is improved; the arm supporting seat can be adjusted to adapt to the width of the rolled material in a sliding manner.

Description

Rolling shaft protection device

Technical Field

The utility model relates to a cutting machine equipment field, especially a rolling axle protection device.

Background

A splitting machine is a mechanical device which divides wide paper or thin film into a plurality of narrow materials and winds the divided paper or thin film materials. In the process of cutting paper or film, a new material needs to be wound by a winding shaft, the winding shaft drives a paper core cylinder sleeved on the periphery of the winding shaft to rotate ceaselessly, so that the paper or film is wound continuously, and the winding is stopped to rotate and wind until the winding reaches a set length and the paper roll or film roll reaches a set diameter, so as to unload the paper or film. The majority of the existing winding shaft is a long-strip cantilever type winding shaft, namely one end of the winding shaft is fixedly arranged on an installation frame of a splitting machine, the other end of the winding shaft is suspended, the winding shaft can be normally wound, however, heavy paper materials such as centrifugal paper are wound, the weight of the paper roll with a set diameter can reach several tons, the winding shaft can be bent by the weight of the paper roll to cause damage, the winding shaft jumps greatly when running and winding, and the winding quality is poor.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. Therefore, the utility model provides a rolling axle protection device that prevention rolling axle was buckled.

The utility model provides a rolling shaft protection device, which comprises a mounting frame and a rolling shaft, wherein one end of the rolling shaft is connected to the mounting frame, and the other end of the rolling shaft is suspended; the winding device comprises a winding shaft, a protection mechanism and a control mechanism, wherein the suspension end of the winding shaft is connected with the protection mechanism, the protection mechanism comprises a supporting arm and a supporting arm seat, one end of the supporting arm is hinged with the supporting arm seat, the other end of the supporting arm is provided with a supporting part matched with the winding shaft, the supporting arm is connected with a first power mechanism, and the first power mechanism drives the supporting arm to swing to abut against or be far away from the winding shaft; the winding shaft is characterized in that a connecting rod is arranged on the mounting frame, a guide rail is arranged in the axial direction of the winding shaft and is provided with an edge, the supporting arm seat is connected to the guide rail in a sliding mode, and the supporting arm seat is locked by a first locking screw rod.

The winding shaft protection device at least has the following beneficial effects: the suspension end of the winding shaft is connected with the supporting arm, one end of the supporting arm is hinged with the supporting arm seat, the other end of the supporting arm is provided with a supporting part matched with the winding shaft, and the supporting arm can be driven by the first power mechanism to swing to abut against or be far away from the winding shaft. When the winding shaft runs to wind materials, the first power mechanism drives the supporting arm to swing to abut against the suspension end of the winding shaft, so that the winding shaft can be prevented from being bent, and the service life of the winding shaft is prolonged; the concentricity of the operation of the winding shaft can be ensured, the jumping amount of the winding shaft during the operation and the winding can be reduced, and the winding quality can be improved. When the material is unloaded, the supporting arm is driven by the first power mechanism to be away from the winding shaft so as to carry out the unloading operation. The trailing arm seat sliding connection can be adjusted with the adaptation according to the width slide of rolling material on the guide rail, further enlarges the utility model discloses a application range. The utility model has scientific, reasonable and compact structure design, can effectively prevent the rolling shaft from being bent, and prolongs the service life of the rolling shaft; the concentricity of the winding shaft during running and winding can be ensured, and the winding quality is improved; the arm supporting seat can be adjusted to adapt to the width of the rolled material in a sliding manner.

According to a rolling axle protection device, the supporting part is two and rotates the cover, two the axial of rotating the cover with the axial of rolling axle parallels, two rotate the cover with rolling axle looks butt, and follow the rolling axle rotates together. According to the arrangement, the two rotating sleeves are abutted with the winding shaft to play a role similar to a V-shaped block, so that the jumping quantity generated when the winding shaft runs and winds can be reduced; and the rotating sleeve can rotate along with the winding shaft, and the rotating friction exists between the rotating sleeve and the winding shaft, so that the rotating sleeve is convenient to rotate and has small friction force, the winding shaft is prevented from being abraded, and the service life of the winding shaft is further prolonged.

According to a rolling axle protection device, hold in palm the arm seat and pass through slider sliding connection and be in on the guide rail, first locking screw sets up on the slider. According to the arrangement, the supporting arm seat can move along the axial direction of the winding shaft on the guide rail according to the width of the wound material so as to adapt to the winding operation, and can be locked through the first locking screw rod, so that the phenomenon that the supporting arm seat moves during winding operation to influence the winding quality is avoided; the bracket arm seat slides on the guide rail through the sliding block, so that the sliding convenience of the bracket arm seat can be further improved.

According to a rolling axle protection device, guide rail parallel arrangement has two, hold in the palm arm seat sliding connection and be two on the guide rail. Set up like this, improved the stability of trailing arm seat slip in-process, can avoid appearing the phenomenon that the trailing arm seat appears the slope in the slip in-process, and can increase area of contact, further increase the holding power to the trailing arm seat.

According to a rolling axle protection device, first power unit is the cylinder, the cylinder articulates on the trailing arm seat, the trailing arm with the telescopic link of cylinder is connected. The cylinder has simple structure and is convenient to maintain; the cylinder drives smoothly.

According to a rolling axle protection device, the trailing arm with trailing arm seat articulated one end is most, the size of most is greater than the size of the rest parts of trailing arm, the telescopic link of cylinder is connected the trailing arm middle part is partial to the position of most. The protection mechanism is supporting the in-process of protecting the rolling axle, and the force of rolling axle power is mainly concentrated in the position that trailing arm and trailing arm seat articulated, and the size that sets up the size of trailing arm and the articulated one end of trailing arm seat is big than the size of other places, can increase the intensity of trailing arm to the life of extension this device.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of an embodiment of a wind-up shaft protection device of the present invention in a working state;

fig. 2 is under the non-operating condition the utility model relates to a structure schematic diagram of rolling axle protection device embodiment.

Detailed Description

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a winding shaft protection device according to an embodiment of the present invention includes an installation frame 100 and a winding shaft 200, wherein one end of the winding shaft 200 is connected to the installation frame 100, and the other end is suspended; the protection mechanism 300 comprises a supporting arm 310 and a supporting arm seat 320, one end of the supporting arm 310 is hinged to the supporting arm seat 320, the other end of the supporting arm 310 is provided with a supporting portion matched with the winding shaft 200, the supporting arm 310 is connected with a first power mechanism, and the first power mechanism drives the supporting arm 310 to swing and abut against or be far away from the winding shaft 200; the mounting rack 100 is provided with a connecting rod 400, the connecting rod 400 is provided with a guide rail 500 arranged along the axial direction of the winding shaft 200, the support arm seat 320 is connected to the guide rail 500 in a sliding manner, and the support arm seat 320 is locked by a first locking screw. Compared with the prior art, the embodiment of the utility model provides a be connected with the trailing arm 310 through the free end at rolling axle 200, the one end and the trailing arm seat 320 of trailing arm 310 are articulated, the other end be provided with rolling axle 200 assorted supporting part, and trailing arm 310 can be by first power unit drive swing butt or keep away from rolling axle 200. When the winding shaft 200 runs to wind materials, as shown in fig. 1, the first power mechanism drives the supporting arm 310 to swing to abut against the free end of the winding shaft 200, so that the winding shaft 200 can be prevented from being bent, and the service life of the winding shaft 200 is prolonged; the concentricity of the operation of the winding shaft 200 can be ensured, the jumping amount of the winding shaft 200 during the operation and the winding can be reduced, and the winding quality can be improved. During discharging, as shown in fig. 2, the bracket arm 310 is driven by the first power mechanism to move away from the winding shaft 200 for discharging. The bracket arm seat 320 is slidably connected to the guide rail 500, and the position of the bracket arm 310 can be adjusted according to the width of the rolling material, so as to further expand the application range of the utility model. The embodiment of the utility model has scientific, reasonable and compact structural design, can effectively prevent the rolling shaft 200 from being bent, and prolongs the service life of the rolling shaft 200; the concentricity of the winding shaft 200 during running and winding can be ensured, and the winding quality is improved; the arm-supporting seat 320 can also be adjusted to adapt to the width of the rolled material in a sliding mode.

Preferably, the support portion is two rotating sleeves 330, the axial directions of the two rotating sleeves 330 are parallel to the axial direction of the take-up shaft 200, and the two rotating sleeves 330 are abutted against the take-up shaft 200 and rotate together with the take-up shaft 200. With the arrangement, the two rotating sleeves 330 are abutted with the winding shaft 200 to play a role similar to a V-shaped block, so that the jumping amount generated when the winding shaft 200 runs and winds can be reduced; and the rotating sleeve 330 can rotate along with the winding shaft 200, and rotational friction exists between the rotating sleeve and the winding shaft 200, so that the rotating sleeve is convenient to rotate and has small friction force, the winding shaft 200 is prevented from being abraded, and the service life of the winding shaft 200 is further prolonged. Specifically, it is further explained that the rotating sleeve 330 is a race steel rotating sleeve, and two race steel rotating sleeves are arranged in parallel, and the distance between the two race steel rotating sleeves matches with the size of the winding shaft 200. The steel race rotating sleeve has high strength and rigidity, good elasticity, small friction factor and good wear resistance; the race steel rotating sleeve can rotate along with the winding shaft 200, and the friction force between the race steel rotating sleeve and the winding shaft is small, so that the abrasion is reduced.

Preferably, the arm receiving base 320 is slidably coupled to the guide rail 500 by a slider 600, and the first locking screw is disposed on the slider 600. Due to the arrangement, the supporting arm seat 320 can move along the axial direction of the winding shaft 200 on the guide rail 500 according to the width of the wound material so as to adapt to the width of the wound material, and can be locked by the first locking screw rod, so that the supporting arm seat 320 is prevented from moving during winding operation, and the winding quality is prevented from being influenced; the arm rest 320 slides on the guide rail 500 by the slider 600, and the convenience of sliding the arm rest 320 can be further improved. In another embodiment, the cross section of the guide rail 500 is an inverted isosceles trapezoid with a large top and a small bottom, the two outer side walls are symmetrically provided with grooves, the slider is provided with a U-shaped opening, and the side arm of the U-shaped opening is provided with a protrusion matched with the groove, so that the slider 600 is embedded on the guide rail 500, and the protection mechanism 300 is prevented from being overturned due to large stress when supporting and protecting the winding shaft 200. Further improving the strength of the device.

Preferably, two rails 500 are arranged in parallel, and the bracket base 320 is slidably connected to the two rails 500. By the arrangement, the stability of the bracket arm seat 320 in the sliding process is improved, the phenomenon that the bracket arm seat 320 inclines in the sliding process can be avoided, the contact area between the bracket arm seat and the bracket arm seat can be increased, and the supporting force of the bracket arm seat 320 is further increased. Specifically, the connecting rod 400 is provided with two, and correspondingly, the guide rail 500 is provided with two, and is respectively provided on the two connecting rods 400.

Preferably, the first power mechanism is a cylinder 700, the cylinder 700 is hinged on the bracket arm seat 320, and the bracket arm 310 is connected with the telescopic rod of the cylinder 700. The cylinder 700 has a simple structure and is convenient to maintain; the cylinder 700 is driven smoothly. The first power mechanism is not limited to the above-described structure, and the cylinder 700 may be replaced with a cylinder or the like.

Further, the cylinder 700 is provided with a travel switch, and the travel switch is associated with the cylinder 700 to control the expansion amount of the expansion rod of the cylinder 700, so that the bracket 310 can be prevented from being excessively contacted with the winding shaft 200, and the winding operation of the winding shaft 200 can be prevented from being influenced.

Preferably, the end of the bracket arm 310 hinged to the bracket arm seat 320 is a large part, the size of the large part is larger than that of the rest part of the bracket arm 310, and the telescopic rod of the cylinder 900 is connected to the middle part of the bracket arm 310 at a position biased to the large part. In the process of supporting and protecting the winding shaft 200 by the protection mechanism 300, the force applied by the winding shaft 200 is mainly concentrated at the position where the supporting arm 310 is hinged with the supporting arm seat 320, the size of the hinged end of the supporting arm 310 and the supporting arm seat 320 is set to be larger than that of the rest positions, the strength of the supporting arm 310 can be increased, and therefore the service life of the device is prolonged

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A winding shaft protection device comprises an installation frame (100) and a winding shaft (200), wherein one end of the winding shaft (200) is connected to the installation frame (100), and the other end of the winding shaft is arranged in a suspended mode; the method is characterized in that: the protection mechanism (300) is connected to the free end of the winding shaft (200), the protection mechanism (300) comprises a supporting arm (310) and a supporting arm seat (320), one end of the supporting arm (310) is hinged to the supporting arm seat (320), a supporting portion matched with the winding shaft (200) is arranged at the other end of the supporting arm (310), the supporting arm (310) is connected with a first power mechanism, and the first power mechanism drives the supporting arm (310) to swing and abut against or be far away from the winding shaft (200); be provided with connecting rod (400) on mounting bracket (100), be provided with on connecting rod (400) and follow guide rail (500) that rolling axle (200) axis direction arranged, support arm seat (320) sliding connection be in on guide rail (500), support arm seat (320) are locked by first locking screw.

2. A take-up reel protection device according to claim 1, wherein: the supporting part is two rotating sleeves (330), the axial directions of the two rotating sleeves (330) are parallel to the axial direction of the winding shaft (200), and the two rotating sleeves (330) are abutted to the winding shaft (200) and rotate along with the winding shaft (200).

3. A take-up reel protection device according to claim 1, wherein: the support arm seat (320) is connected to the guide rail (500) through a sliding block (600) in a sliding mode, and the first locking screw is arranged on the sliding block (600).

4. A take-up reel protection device according to claim 1, wherein: the guide rail (500) parallel arrangement has two, hold in the palm arm seat (320) sliding connection two on the guide rail (500).

5. A take-up reel protection device according to claim 1, wherein: the first power mechanism is an air cylinder (700), the air cylinder (700) is hinged to the supporting arm seat (320), and the supporting arm (310) is connected with an expansion rod of the air cylinder (700).

6. A take-up reel protection device according to claim 5, wherein: one end of the supporting arm (310) hinged to the supporting arm seat (320) is a large part, the size of the large part is larger than that of the rest part of the supporting arm (310), and the telescopic rod of the air cylinder (700) is connected to the position, biased to the large part, of the middle part of the supporting arm (310).