CN220532693U - Compact pipe bender core rod capable of automatically feeding pipe - Google Patents

Abstract

The utility model discloses a core rod of a compact pipe bender capable of automatically feeding pipes, and relates to the field of pipe bender core rods. According to the utility model, through the arrangement of the rubber ring, the sum of the height of the rubber ring and the height of the outer ring of the core rod is equal to the diameter of the sphere and the height of the base, so that the horizontally placed end part can be prevented from bending downwards during horizontal use, the situation that the core rod is manually pulled up to be sleeved into the core rod during horizontal use is avoided, and the core rod has good stress support during pipe bending through the arrangement of small gaps among the outer rings of the core rods, and meanwhile, the loss of the outer ring of the core rod is reduced.

Description

Compact pipe bender core rod capable of automatically feeding pipe

Technical Field

The utility model relates to the field of pipe bender core rods, in particular to a compact pipe bender core rod capable of automatically feeding pipes.

Background

At present, common hard core rods can not meet the requirements of thin-wall pipes and stainless steel small-radius cold bending, if soft core rods with traditional structures are used, the bending direction of the core rods and the bending direction of a pipe bending machine must be kept consistent during installation due to inconsistent thickness directions of beads, so that the installation and adjustment are complicated.

According to the core rod of the pipe bender disclosed in the publication No. CN109248945A, the core rod of the pipe bender comprises a core body, a core shaft clamping block, a head universal core penetrating piece, a plurality of universal core penetrating pieces and a plurality of rotating beads; the mandrel clamping block is arranged in the mandrel body, and a first mandrel through groove matched with the first universal mandrel is formed in the mandrel clamping block, so that the first universal mandrel can be movably arranged in the first mandrel through groove; the first universal core penetrating piece comprises a first universal ball arranged in the first core penetrating groove and a first core penetrating piece connected to the first universal ball; and the first core penetrating piece is provided with a core penetrating groove matched with the universal core penetrating piece.

In the above-mentioned published patent, because the clearance between the rotating beads is great, when this bending machine core is transversely used, the effect of the rotating bead receipts gravity of core anterior segment can bend, and it is very inconvenient to lead to when putting this pipe core stick in, must manual upward pull, can not be used to pure mechanized production, can not send the pipe automatically, simultaneously because of the clearance between the rotating beads is great, when carrying out the return bend, the lateral surface of its outer pipeline has the rotating bead to support and does not have the bearing gap of rotating bead supporting part great, leads to the return bend inhomogeneous on the one hand, on the other hand because the atress at rotating bead edge is the biggest, leads to the loss of rotating bead very easily.

Disclosure of Invention

Based on the above, the present utility model aims to provide a mandrel of a compact pipe bender capable of automatically feeding pipes, so as to solve the technical problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automatic send compact bending machine plug of pipe, includes the connecting rod, the interior axle center is installed to the connecting rod bottom, the plug body is installed to the connecting rod outer wall, the upper end outer wall of axle center is established to the plug body cover, interior axle center bottom is provided with multiunit universal joint, multiunit be provided with the rubber ring between the universal joint.

By adopting the technical scheme, the sum of the height of the rubber ring and the height of the outer ring of the core rod is equal to the diameter of the sphere and the height of the base, so that the horizontally placed end part can be prevented from bending downwards during horizontal use, and the situation that the core rod is manually pulled up and sleeved into the core rod during horizontal use is avoided.

The universal joint is further arranged to comprise a ball body and a base, wherein a groove is formed in the bottom of the base, and the groove is matched with the movement track of the ball body.

Through adopting above-mentioned technical scheme, can make many groups of universal joints carry out stable bending when bending the use through the setting of universal joint and recess, can not appear unable crooked phenomenon.

The utility model is further arranged that the bottom of the connecting rod and the bottom of the inner core are provided with grooves in a combined way, and the grooves are matched with the movement track of the ball body.

Through adopting above-mentioned technical scheme, can make connecting rod bottom stable connection universal joint through the setting of recess, prevent that universal joint from can't carrying out slight rotation in the connecting rod bottom, lead to the unable regulation of angle.

The utility model is further characterized in that the outer wall of the base is sleeved with a rubber ring, the outer wall of the base is provided with a core rod outer ring, and the core rod outer ring is arranged at the bottom of the rubber ring.

Through adopting above-mentioned technical scheme, through the setting of rubber ring, can make the interval between each plug outer loop fix for when the interval between the plug outer loop diminishes, reduce the loss rate of plug outer loop, improve the outer wall support atress of plug outer loop.

The utility model is further arranged in such a way that the sum of the height of the rubber ring and the height of the outer ring of the mandrel is equal to the diameter of the sphere and the height of the base.

By adopting the technical scheme, the end part can not be bent downwards when the core rod is horizontally placed due to the arrangement of the heights, and the service efficiency of the core rod is improved.

In summary, the utility model has the following advantages:

1. according to the utility model, through the arrangement of the rubber ring, the sum of the height of the rubber ring and the height of the outer ring of the core rod is equal to the diameter of the sphere and the height of the base, so that the horizontally placed end part can be prevented from bending downwards during horizontal use, and the situation that the core rod is manually pulled up and sleeved into the core rod during horizontal use is avoided.

2. According to the utility model, through the arrangement of the outer rings of the core rods and the arrangement of the smaller gaps among the outer rings of the core rods, the core rods have good stress support when being bent, and meanwhile, the loss of the outer rings of the core rods is reduced.

Drawings

FIG. 1 is a cross-sectional perspective view of the present utility model;

FIG. 2 is a perspective view of the structure of the universal joint of the present utility model;

fig. 3 is a perspective view of the outer ring of the mandrel of the present utility model.

In the figure: 1. a connecting rod; 2. a mandrel body; 3. an inner axis; 4. a universal joint; 401. a sphere; 402. a base; 5. a core rod outer ring; 6. and a rubber ring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The utility model provides an automatic send compact bending machine plug of pipe, as shown in fig. 1-3, including connecting rod 1, interior axle center 3 is installed to connecting rod 1 bottom, connecting rod 1 installs plug body 2 in the outer wall of connecting rod 1, the upper end outer wall of axle center 3 is established to plug body 2 cover, interior axle center 3 bottom is provided with multiunit universal joint 4, be provided with rubber ring 6 between the multiunit universal joint 4, when transversely using the bending machine plug, can send into the bending machine inside with multiunit plug, through the setting of rubber ring 6 when, make between the outer ring 5 of multiunit core stick keep the horizontality because of rubber ring 6's existence, prevent that the outer ring 5 of plug front end from receiving the effect of gravity can naturally crooked under the horizontality, inconvenient when leading to the plug cover, need manual upward pull.

Referring to fig. 2, the universal joint 4 includes a ball 401 and a base 402, a groove is formed at the bottom of the base 402, the groove is matched with a motion track of the ball 401, and the plurality of groups of universal joints 4 can be stably bent during bending use through the arrangement of the universal joint 4 and the groove, so that a phenomenon that the universal joints cannot be bent is avoided.

Referring to fig. 1, a groove is formed in the combination of the bottom of the connecting rod 1 and the bottom of the inner core 3, the groove is matched with the motion track of the sphere 401, and the bottom of the connecting rod 1 can be stably connected with the universal joint 4 through the arrangement of the groove, so that the universal joint 4 is prevented from being slightly rotated at the bottom of the connecting rod 1, and the angle cannot be adjusted.

Referring to fig. 1, a rubber ring 6 is sleeved on the outer wall of the base 402, a core rod outer ring 5 is installed on the outer wall of the base 402, the core rod outer ring 5 is installed at the bottom of the rubber ring 6, and through the arrangement of the rubber ring 6, the distance between the core rod outer rings 5 can be fixed, so that the distance between the core rod outer rings 5 is reduced, the loss rate of the core rod outer rings 5 is reduced, and the outer wall supporting stress of the core rod outer rings 5 is improved.

Referring to fig. 1, the sum of the height of the rubber ring 6 and the height of the mandrel outer ring 5 is equal to the diameter of the sphere 401 and the height of the base 402, so that the end portion of the mandrel is not bent downwards when the mandrel is horizontally placed due to the arrangement of the heights, and the service efficiency of the mandrel is improved.

The working principle of the utility model is as follows: when the pipe bender core rod is transversely used, a plurality of groups of core rods can be fed into the pipe bender, and the plurality of groups of core rod outer rings 5 are kept in a horizontal state due to the existence of the rubber ring 6 through the arrangement of the rubber ring 6, so that the core rod outer rings 5 at the front ends of the core rods are prevented from being naturally bent under the action of gravity under the horizontal state, the core rods are inconvenient to sleeve, and the core rods are required to be pulled upwards manually.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims (5)

1. The utility model provides an automatic send compact bending machine plug of pipe, includes connecting rod (1), its characterized in that: the inner shaft center (3) is installed at the bottom of the connecting rod (1), the core rod body (2) is installed on the outer wall of the connecting rod (1), the core rod body (2) is sleeved on the outer wall of the upper end part of the inner shaft center (3), a plurality of groups of universal joints (4) are arranged at the bottom of the inner shaft center (3), and rubber rings (6) are arranged between the plurality of groups of universal joints (4).

2. The automatic pipe feeding compact pipe bender mandrel as claimed in claim 1, wherein: the universal joint (4) comprises a ball body (401) and a base (402), wherein a groove is formed in the bottom of the base (402), and the groove is matched with the movement track of the ball body (401).

3. The automatic pipe feeding compact pipe bender mandrel as claimed in claim 1, wherein: the bottom of the connecting rod (1) and the bottom of the inner core (3) are provided with grooves in a combined mode, and the grooves are matched with the movement track of the ball body (401).

4. The automatic pipe feeding compact pipe bender mandrel as claimed in claim 2, wherein: the outer wall of the base (402) is sleeved with a rubber ring (6), a core rod outer ring (5) is installed on the outer wall of the base (402), and the core rod outer ring (5) is installed at the bottom of the rubber ring (6).

5. The automatic pipe feeding compact pipe bender mandrel as claimed in claim 1, wherein: the sum of the height of the rubber ring (6) and the height of the core rod outer ring (5) is equal to the diameter of the sphere (401) and the height of the base (402).