CN213622793U

CN213622793U - High-bearing-capacity double-injection-molding roller

Info

Publication number: CN213622793U
Application number: CN202022166873.3U
Authority: CN
Inventors: 陈小明
Original assignee: Ehc Engineering Plastic Shanghai Co ltd
Current assignee: Ehc Engineering Plastic Shanghai Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-07-06
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a two injection moulding gyro wheels of high bearing capacity, including the gyro wheel, the TPU layer is installed in the gyro wheel outside, nylon HUB layer is installed to the TPU layer outside, equidistant distribution of nylon HUB in situ side has the reinforcement strip, side recess has been seted up to TPU layer side, the cross-section of reinforcement strip is the arc structure, the radian 4mm of reinforcement strip. The utility model discloses, the outside of TPU layer is installed nylon HUB layer, and nylon HUB layer inboard is equidistant to distribute has the reinforcement strip, and the radian 4mm of reinforcement strip, under the unchangeable condition of gyro wheel specification, the improvement of product mechanical properties is showing, and the steady quality, is fit for large-scale production, makes the elevator operation safer; the reasonable R angle design is made at the joint of the reinforcing strips, so that the bearing capacity can be increased, and the internal stress of the product can be eliminated.

Description

High-bearing-capacity double-injection-molding roller

Technical Field

The utility model relates to a gyro wheel technical field of moulding plastics specifically is a high bearing capacity double injection gyro wheel.

Background

The materials used by the double injection molding roller are generally nylon and TPU layers, the compatibility of the two materials is good, and a certain binding force exists during injection molding production. The TPU layer is on the outer lane, and the HUB of the inside is the nylon materials, but the elevator belongs to special equipment, and is extremely high to the safety requirement, therefore, the gyro wheel is as the essential element of elevator, and the safety of elevator is directly influenced to the good or bad of performance. The traditional double-injection molding roller processing process comprises the steps of firstly injecting a nylon HUB, then injecting an external TPU layer tire bead, and filling a bearing into a mold in an insert mode for injection molding, wherein the bearing has adhesive force but is insufficient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two injection moulding gyro wheels of high bearing capacity to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a two injection moulding gyro wheels of high bearing capacity, includes the gyro wheel, the TPU layer is installed in the gyro wheel outside, nylon HUB layer is installed to the TPU layer outside, nylon HUB layer inboard equidistant distribution has the reinforcing strip, the side recess has been seted up to TPU layer one side, the cross-section of reinforcing strip is the arc structure.

Preferably, the radian of the reinforcing strip is 4 mm.

Preferably, the TPU layer is provided with an external groove which is connected with the reinforcing strip in a matched manner on the outer side.

Preferably, the TPU layer is internally provided with an internal groove in fit connection with the roller.

Preferably, the inner diameter of the roller is 20 mm.

Preferably, the outer diameter of the TPU layer is 68mm, and the outer diameter of the nylon HUB layer is 75 mm.

Compared with the prior art, the beneficial effects of the utility model are that: the outer side of the TPU layer is provided with a nylon HUB layer, reinforcing strips are distributed on the inner side of the nylon HUB layer at equal intervals, the radian of each reinforcing strip is 4mm, the mechanical performance of a product is remarkably improved under the condition that the specification of a roller is not changed, the quality is stable, the method is suitable for large-scale production, and the elevator is safer to operate; the reasonable R angle design is made at the joint of the reinforcing strips, so that the bearing capacity can be increased, and the internal stress of the product can be eliminated.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a partial structure of the present invention.

Fig. 3 is a schematic structural diagram of the TPU layer of the present invention.

In the figure: 1. a nylon HUB layer; 2. a TPU layer; 3. a roller; 101. reinforcing the strips; 201. a side groove; 202. an outer groove; 203. an internal groove.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, a high-bearing-capacity dual injection molding roller includes a roller 3, a TPU layer 2 is installed outside the roller 3, a nylon HUB layer 1 is installed outside the TPU layer 2, reinforcing strips 101 are equidistantly distributed on the inner side of the nylon HUB layer 1, a side groove 201 is opened on one side of the TPU layer 2, the cross section of the reinforcing strip 101 is of an arc structure, the radian of the reinforcing strip 101 is 4mm, an external groove in matching connection with the reinforcing strip 101 is formed on the outer side of the TPU layer 2, an internal groove 203 in matching connection with the roller 3 is formed on the inner side of the TPU layer 2, the inner diameter of the roller 3 is 20mm, the outer diameter of the TPU layer 2 is 68mm, and the outer diameter of the nylon HUB layer 1 is 75 mm; the outer side of the TPU layer 2 is provided with a nylon HUB layer 1, reinforcing strips 101 are distributed on the inner side of the nylon HUB layer 1 at equal intervals, the radian of each reinforcing strip 101 is 4mm, the mechanical performance of a product is remarkably improved under the condition that the specification of a roller is not changed, the quality is stable, the elevator is suitable for large-scale production, and the elevator is safer to operate; the reasonable R angle design is made at the joint of the reinforcing strips 101, so that the bearing capacity can be increased, and the internal stress of the product can be eliminated.

The utility model discloses a theory of operation is: the outer side of the TPU layer 2 is provided with a nylon HUB layer 1, reinforcing strips 101 are distributed on the inner side of the nylon HUB layer 1 at equal intervals, the radian of each reinforcing strip 101 is 4mm, the mechanical performance of a product is remarkably improved under the condition that the specification of a roller is not changed, the quality is stable, the elevator is suitable for large-scale production, and the elevator is safer to operate; the reasonable R angle design is made at the joint of the reinforcing strips 101, so that the bearing capacity can be increased, and the internal stress of the product can be eliminated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. The utility model provides a two injection moulding gyro wheels of high bearing capacity, includes gyro wheel (3), its characterized in that: TPU layer (2) is installed in gyro wheel (3) outside, nylon HUB layer (1) is installed in TPU layer (2) outside, nylon HUB layer (1) inboard equidistant distribution has reinforcing strip (101), side recess (201) have been seted up to TPU layer (2) a side, the cross-section of reinforcing strip (101) is the arc structure.

2. The high load bearing dual injection molding roller of claim 1, wherein: the radian of the reinforcing strip (101) is 4 mm.

3. The high load bearing dual injection molding roller of claim 1, wherein: and an external groove which is matched and connected with the reinforcing strip (101) is formed in the outer side of the TPU layer (2).

4. The high load bearing dual injection molding roller of claim 1, wherein: the inner side of the TPU layer (2) is provided with an inner groove (203) which is connected with the roller (3) in a matching way.

5. The high load bearing dual injection molding roller of claim 1, wherein: the inner diameter of the roller (3) is 20 mm.

6. The high load bearing dual injection molding roller of claim 1, wherein: the outer diameter of the TPU layer (2) is 68mm, and the outer diameter of the nylon HUB layer (1) is 75 mm.