Rewinder unwinding roller coupler

Abstract

The utility model discloses a rewinding machine unwinding roller coupler which comprises a transmission rod, one end of the transmission rod is fixedly connected with a spline shaft, and a heat dissipation assembly is arranged at the connecting position of the spline shaft and the transmission rod. The spline shaft and the transmission rod are of an integrated structure. The material of the spline shaft is changed from original 45 # material heat treatment to 40Cr forging post heat treatment, the hardness of the spline shaft after 40Cr hardening and tempering is between HRC 32 and HRC 36, and the tooth surface quenching hardness is between HRC 52 and HRC 60; the hardness of the spline shaft is improved by more than 15%, and the wear resistance of the transmission rod is improved by more than 20%; the spline shaft and the transmission rod are integrally arranged, so that the service performance of the spline shaft and the transmission rod is improved, the service life cycle is prolonged by multiple times, the maintenance frequency is reduced, and the maintenance time is shortened; the use effect of the device is improved, and convenience is provided for a user; according to the rewinding machine unwinding roller coupler, the spline shaft and the transmission rod are integrally arranged, the using performance of the spline shaft and the transmission rod is improved, the service life cycle is prolonged by multiple times, and the maintenance frequency is reduced.

Description

Technical Field

[0001] The utility model relates to the field of papermaking, in particular to a paper unwinding roller coupling of a rewinding machine. Background Art

[0002] In the paper roll rewinder, the paper roll reel shaft and the motor transmission connection part are the unwinding roller coupling. Since the rewinder manufacturers on the market all use split couplings (spline shaft and spline transmission part), the screws are often loose and need to be regularly disassembled for tightening and replacement of broken bolts (about 2 months). A lot of maintenance time and labor are wasted. To solve this problem, the coupling is improved, the processing material is replaced, and an integrated rewinder unwinding roller coupling is designed. Utility Model Content

[0003] In view of the problems in the related technology, the utility model proposes a rewinding machine unwinding roller coupling to overcome the above technical problems existing in the existing related technology.

[0004] To this end, the specific technical solution adopted by the utility model is as follows: a rewinding machine unwinding roller coupling, comprising a transmission rod, one end of which is fixedly connected to a spline shaft, and a heat dissipation component is provided at the connection between the spline shaft and the transmission rod;

[0005] The spline shaft and the transmission rod are an integrated structure; the material of the spline shaft is changed from the original 45# material to 40Cr after forging and heat treatment, the hardness of the spline shaft after 40Cr tempering is between HRC32-36, and the tooth surface quenching hardness is between HRC52-60; the hardness of the spline shaft is increased by more than 15%, and the wear resistance of the transmission rod is increased by more than 20%; by integrating the spline shaft and the transmission rod, the performance of the spline shaft and the transmission rod is improved, and the life cycle is increased by several times, which reduces the maintenance frequency and time; the use effect of the device is improved, and convenience is provided for users.

[0006] Preferably, the heat dissipation assembly includes a mounting groove provided at the connection between the spline shaft and the transmission rod, and a heat dissipation plate is fixedly connected to the outer wall of the mounting groove.

[0007] Preferably, the number of the heat dissipation plates is four, and the four heat dissipation plates are equidistantly arranged on the outer wall of the mounting groove.

[0008] Preferably, the heat dissipation plate comprises a heat-conducting ring plate which is fittedly connected to the outer wall of the mounting groove, the outer wall of the heat-conducting ring plate is fixedly connected with a plurality of fixing bolts, and the outer wall of the heat-conducting ring plate is provided with a plurality of heat dissipation fins.

[0009] Preferably, the outer wall of the heat-conducting ring plate is fixedly connected to the connection between the spline shaft and the transmission rod by means of fixing bolts.

[0010] Preferably, the upper end of the heat sink is fan-shaped, and curved grooves are provided on both sides of the fan-shaped end; through the setting of the heat dissipation component, during use, the setting of the heat dissipation plate can dissipate the heat generated by the spline shaft and the transmission rod during use from the spline shaft and the transmission rod to the outside, wherein the upper end of the heat sink is fan-shaped and the curved grooves are provided on both sides of the fan-shaped end, which can increase the air circulation speed, thereby accelerating the heat dissipation effect, extending the service life, and providing convenience for the user.

[0011] The beneficial effects of the utility model are as follows: 1. The rewinder unwinding roller coupling improves the performance of the spline shaft and the transmission rod by integrating the spline shaft and the transmission rod, and the life cycle is increased several times, the maintenance frequency is reduced, and the maintenance time is reduced; 1. The use effect of the device is improved, and convenience is provided for users.

[0012] 2. The rewinder unwinding roller coupling is provided with a heat dissipation component. During use, the heat dissipation plate can dissipate the heat generated by the spline shaft and the transmission rod during use from the spline shaft and the transmission rod to the outside. The upper end of the heat sink is fan-shaped and curved grooves are provided on both sides of the fan-shaped end, which can increase the air circulation speed, thereby accelerating the heat dissipation effect, extending the service life, and providing convenience for users. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is the front view of the utility model;

[0015] Figure 2 This is a cross-sectional view of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the heat dissipation component of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the heat dissipation plate of the utility model.

[0018] In the figure: 1, transmission rod; 2, spline shaft; 3, heat dissipation assembly; 301, mounting groove; 302, heat dissipation plate; 3021, heat conduction ring plate; 3022, fixing bolt; 3023, heat sink. DETAILED DESCRIPTION

[0019] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0020] According to an embodiment of the utility model, a rewinding machine unwinding roller coupling is provided.

[0021] Embodiment 1;

[0022] like Figure 1-Figure 4 As shown, the rewinding machine unwinding roller coupling according to the embodiment of the utility model comprises a transmission rod 1, one end of the transmission rod 1 is fixedly connected to a spline shaft 2, and a heat dissipation component 3 is provided at the connection between the spline shaft 2 and the transmission rod 1;

[0023] The spline shaft 2 and the transmission rod 1 are an integrated structure; the material of the spline shaft 2 is changed from the original 45# material to 40Cr after forging and heat treatment. The hardness of the spline shaft 2 after quenching and tempering with 40Cr is between HRC32-36, and the hardness of the tooth surface quenching is between HRC52-60; the hardness of 45# steel quenching and tempering is between HRC20-HRC30. The hardness of the spline shaft 2 is increased by more than 15%, and the wear resistance of the transmission rod 1 is increased by more than 20%.

[0024] In this embodiment, by integrating the spline shaft 2 and the transmission rod 1, the performance of the spline shaft 2 and the transmission rod 1 is improved, and the life cycle is increased several times, the maintenance frequency is reduced, and the maintenance time is reduced; the use effect of the device is improved, and convenience is provided for the user.

[0025] Embodiment 2:

[0026] On the basis of the first embodiment, a preferred embodiment of the rewinding machine unwinding roller coupling provided by the present invention is as follows: Figure 1-Figure 4 As shown: the heat dissipation assembly 3 includes a mounting groove 301 provided at the connection between the spline shaft 2 and the transmission rod 1, and a heat dissipation plate 302 is fixedly connected to the outer wall of the mounting groove 301;

[0027] The number of the heat dissipation plates 302 is four, and the four heat dissipation plates 302 are equidistantly arranged on the outer wall of the mounting groove 301;

[0028] The heat dissipation plate 302 includes a heat conduction ring plate 3021 which is attached to the outer wall of the mounting groove 301. The outer wall of the heat conduction ring plate 3021 is fixedly connected with a plurality of fixing bolts 3022. The outer wall of the heat conduction ring plate 3021 is provided with a plurality of heat dissipation fins 3023.

[0029] The outer wall of the heat-conducting ring plate 3021 is fixedly connected to the connection between the spline shaft 2 and the transmission rod 1 through the fixing bolts 3022;

[0030] The upper end of the heat sink 3023 is fan-shaped, and curved grooves are formed on both sides of the fan-shaped end.

[0031] In this embodiment, through the setting of the heat dissipation component 3, during use, the setting of the heat dissipation plate 302 can dissipate the heat generated by the spline shaft 2 and the transmission rod 1 during use from the spline shaft 2 and the transmission rod 1 to the outside, wherein the upper end of the heat sink 3023 is fan-shaped and curved grooves are provided on both sides of the fan-shaped end, which can increase the air circulation speed, thereby accelerating the heat dissipation effect, extending the service life, and providing convenience for the user.

[0032] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0033] In actual application, the spline shaft 2 and the transmission rod 1 are installed between the driving motor and the unwinding roller. The driving motor is started to drive the unwinding roller to work through the spline shaft 2 and the transmission rod 1. After the spline shaft 2 and the transmission rod 1 are processed, the hardness of the spline shaft 2 is increased by more than 15%, the wear resistance of the transmission rod 1 is increased by more than 20%, and the life cycle is increased several times, which reduces the maintenance frequency and time.

[0034] In summary, with the aid of the above-mentioned technical scheme of the utility model, the rewinding machine unwinding roller coupling improves the performance of the spline shaft 2 and the transmission rod 1 by integrating the spline shaft 2 and the transmission rod 1, and the life cycle is increased several times, the maintenance frequency is reduced, and the maintenance time is reduced; the use effect of the device is improved, and convenience is provided for users; through the setting of the heat dissipation component 3, during use, the setting of the heat dissipation plate 302 can dissipate the heat generated by the spline shaft 2 and the transmission rod 1 during use from the spline shaft 2 and the transmission rod 1 to the outside, wherein the upper end of the heat sink 3023 is fan-shaped and curved grooves are provided on both sides of the fan-shaped end, which can increase the air circulation speed, thereby accelerating the heat dissipation effect, extending the service life, and providing convenience for users.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rewinding machine unwinding roller coupling, comprising a transmission rod (1), characterized in that: One end of the transmission rod (1) is fixedly connected to a spline shaft (2), and a heat dissipation component (3) is provided at the connection between the spline shaft (2) and the transmission rod (1); The spline shaft (2) and the transmission rod (1) are an integrated structure; the material of the spline shaft (2) is changed from the original 45# material to 40Cr after forging and heat treatment; the hardness of the spline shaft (2) after quenching and tempering with 40Cr is between HRC32-36, and the tooth surface quenching hardness is between HRC52-60; The heat dissipation assembly (3) comprises a mounting groove (301) provided at the connection between the spline shaft (2) and the transmission rod (1), and a heat dissipation plate (302) is fixedly connected to the outer wall of the mounting groove (301); The number of the heat dissipation plates (302) is four, and the four heat dissipation plates (302) are equidistantly arranged on the outer wall of the mounting groove (301); The heat dissipation plate (302) comprises a heat-conducting ring plate (3021) which is fitted and connected to the outer wall of the mounting groove (301); the outer wall of the heat-conducting ring plate (3021) is fixedly connected with a plurality of fixing bolts (3022); and the outer wall of the heat-conducting ring plate (3021) is provided with a plurality of heat dissipation fins (3023); The outer wall of the heat-conducting ring plate (3021) is fixedly connected to the connection between the spline shaft (2) and the transmission rod (1) via fixing bolts (3022); The upper end of the heat sink (3023) is fan-shaped, and curved grooves are provided on both sides of the fan-shaped end.

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