CN219616554U - Lever type roller material supporting device for pipe bending machine - Google Patents

Abstract

The utility model discloses a lever type roller material supporting device for a pipe bender, which comprises a material supporting piece, wherein two positioning pulleys are movably arranged on the same side surface of the material supporting piece, the material supporting piece is rotatably arranged on a first fixed part, a driving cylinder is arranged, a base part of the driving cylinder is rotatably connected with a second fixed part through a shaft seat, a telescopic part of the driving cylinder is movably connected with the material supporting piece through a rod end bearing, and the driving cylinder drives the material supporting piece to rotate around the first fixed part; according to the utility model, the two positioning pulleys are arranged on the material supporting piece, the piece to be folded passes through between the two positioning pulleys, and the driving cylinder drives the material supporting piece to rotate when the folded piece is folded, so that the two positioning pulleys can support the material in two folding directions of the folded piece, the purpose that the material supporting can be carried out when the folded piece is folded repeatedly by the folding machine is achieved, the whole structure is simple, the operation is convenient, and the feeding and the discharging of the folded piece are convenient.

Description

Lever type roller material supporting device for pipe bending machine

Technical Field

The utility model relates to the technical field of pipe bending machines, in particular to a lever type roller material supporting device for a pipe bending machine.

Background

Tube bending machines are machine equipment for bending tubing, which typically requires bending the elongated tubing into a desired shape to meet different engineering and manufacturing requirements. The material supporting device is an important component of the pipe bending machine and is usually arranged at the position where the pipe enters the pipe bending machine. The material supporting device is used for providing stable support and positioning for the pipe so as to ensure the accuracy and stability of the pipe in the bending process. In particular, the material handling device can help the tubing maintain the correct angle and position to prevent it from twisting, rotating or moving during bending, thereby ensuring that the bent tubing meets specifications. Therefore, the material supporting device is very important for the normal operation of the pipe bending machine, the accuracy and the stability of the pipe in the bending process can be ensured, and the production efficiency and the working safety are improved. The Chinese patent application number 201420544089.3 discloses a lever type roller material supporting device for a full-automatic numerical control hydraulic pipe bender, and specifically discloses a lever type roller material supporting device which comprises a material supporting cylinder, a material supporting rod and a positioning roller, wherein the material supporting cylinder is fixedly connected with one fixed block and is provided with a shaft rod which is driven to stretch out and draw back, the material supporting rod is fixedly connected with the other fixed block and is provided with a long handle section and a short handle section which extend from the joint of the material supporting rod and the fixed block to two ends, the outer end of the short handle section is connected with the shaft rod of the material supporting cylinder, the long handle section and the short handle section synchronously rotate by taking the joint as a shaft, and the positioning roller shaft is connected with the outer end of the long handle section and is connected with the outer end of the long handle section to support and guide the material; according to the technical scheme, the positioning roller connected with the long handle section can support the pipe through the short handle section driven by the air cylinder and rotate along with the pipe, but only one positioning roller is arranged in the structure, so that the positioning roller can support and support one rotation direction of the pipe, and some pipes need to be bent repeatedly when being bent, and the pipe cannot be realized by adopting the single positioning roller.

Disclosure of Invention

The utility model aims to solve the technical problems that: the lever type roller material supporting device for the pipe bending machine can support the pipe bending machine in a bilateral mode.

In order to solve the technical problems, the automatic feeding device comprises a feeding piece, two positioning pulleys are movably arranged on the same side face of the feeding piece, the feeding piece is rotatably arranged on a first fixing part, a driving cylinder is arranged, a base part of the driving cylinder is rotatably connected with a second fixing part through a shaft seat, a telescopic part of the driving cylinder is movably connected with the feeding piece through a rod end bearing, and the driving cylinder drives the feeding piece to rotate around the first fixing part.

Preferably, the material supporting piece comprises a positioning part, the positioning part is rotationally connected with the fixing part, the positioning part is provided with a first handle section, a second handle section and a third handle section, positioning pulleys are respectively rotationally arranged on the first handle section and the second handle section, and the third handle section is movably connected with the rod end bearing.

Preferably, the included angle between the first handle section and the second handle section is 30-60 degrees.

Preferably, the length of the first handle section is smaller than the length of the second handle section.

Preferably, the first handle section and the second handle section are respectively provided with a plurality of mounting holes along the length direction, and the capped shaft rod passes through the positioning pulley and the mounting holes and is in threaded connection with the mounting nut.

Preferably, in the initial state, the central line of the handle section three in the length direction and the angular bisector of the handle section one and the handle section two are positioned on the same straight line.

Preferably, the positioning part is provided with a bearing, the second fixing part is fixedly connected with a shaft lever, the shaft lever penetrates through the bearing and is sleeved with a pressing plate outside the shaft lever, and the shaft lever is located outside the pressing plate and is in threaded connection with a cap nut.

Preferably, gaskets are arranged on two sides of the rod end bearing, the rod end bearing penetrates through a pin shaft, and a positioning nut is connected after the pin shaft penetrates through the third stem section.

The beneficial effects of the utility model are as follows: according to the utility model, the two positioning pulleys are arranged on the material supporting piece, the piece to be folded passes through between the two positioning pulleys, and the driving cylinder drives the material supporting piece to rotate when the folded piece is folded, so that the two positioning pulleys can support the material in two folding directions of the folded piece, the purpose that the material supporting can be carried out when the folded piece is folded repeatedly by the folding machine is achieved, the whole structure is simple, the operation is convenient, and the feeding and the discharging of the folded piece are convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the overall structure of the present utility model;

FIG. 3 is a schematic view of the material supporting member structure of the present utility model;

fig. 4 is a schematic side view of the overall structure of the present utility model.

In the figure: 1. a material supporting piece; 101. a positioning part; 102. a first handle section; 103. a second handle section; 104. a third handle section; 105. a mounting hole; 106. a bearing; 2. positioning a pulley; 3. a first fixing part; 4. a driving cylinder; 5. a shaft seat; 6. a second fixing part; 7. a rod end bearing; 8. a capped shaft; 9. installing a nut; 10. a shaft lever; 11. a pressure plate; 12. a capped nut; 13. a pin shaft; 14. and positioning a nut.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, in which all directional indications (such as up, down, left, right, front, and rear … …) are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

As shown in fig. 1 and 2, this embodiment provides a lever roller material supporting device for a pipe bender, including a material supporting member 1, two positioning pulleys 2 are movably mounted on the same side of the material supporting member 1, the material supporting member 1 is rotatably mounted on a first fixing portion 3, a driving cylinder 4, a base portion of the driving cylinder 4 is rotatably connected with a second fixing portion 6 through a shaft seat 5, a telescopic portion of the driving cylinder 4 is movably connected with the material supporting member 1 through a rod end bearing 7, and the driving cylinder 4 drives the material supporting member 1 to rotate around the first fixing portion 3.

As shown in fig. 1-4, the material supporting member 1 comprises a positioning part 101, the positioning part 101 is rotationally connected with a first fixing part 3, a first handle section 102, a second handle section 103 and a third handle section 104 are arranged on the positioning part 101, a positioning pulley 2 is rotationally arranged on the first handle section 102 and the second handle section 103 respectively, the third handle section 104 is movably connected with a rod end bearing 7, the material supporting member 1 adopts a three-fork structure, the positioning pulleys 2 are arranged on the first handle section 102 and the second handle section 103, so that the two positioning pulleys 2 can limit a pipe passing through, in order to ensure a certain distance between the two positioning pulleys 2, an included angle between the first handle section 102 and the second handle section 103 is 30-60 degrees, and meanwhile, the length of the first handle section 102 is smaller than that of the second handle section 103, the two positioning pulleys 2 are staggered in the vertical direction, so that the pipe fitting can be positioned between the two positioning pulleys 2 when being in a horizontal state, a plurality of mounting holes 105 are formed in the first handle section 102 and the second handle section 103 along the length direction, the capped shaft rod 8 passes through the positioning pulleys 2 and the mounting holes 105 and is in threaded connection with the mounting nuts 9, the positions of the positioning pulleys 2 can be adjusted, the pipe fitting with different pipe diameters is supported by the positioning pulleys 105, the third handle section 104 is in a vertical state in an initial state, and the central line of the length direction of the third handle section 104 and the angular bisector of the first handle section 102 and the second handle section 103 are positioned on the same straight line.

As shown in fig. 2 and 3, the positioning portion 101 is provided with a bearing 106, the second fixing portion 6 is fixedly connected with a shaft rod 10, the shaft rod 10 passes through the bearing 106, a pressing plate 11 is sleeved on the outer side of the shaft rod 10, the shaft rod 10 is located on the outer side of the pressing plate 11 and is in threaded connection with a cap nut 12 for movably limiting the positioning portion 101, in this example, only one of the mounting structures for positioning and rotating the positioning portion 101 is provided, the mounting structure is not limited to this in actual production, similarly, gaskets are arranged on two sides of the rod end bearing 7, the rod end bearing 7 passes through a pin shaft 13, the pin shaft 13 passes through a handle section three 104 and is connected with a positioning nut 14, and one of the movable limiting structures is also provided.

The working principle is as follows: during operation, pipe material passes between two positioning pulleys 2, the bending machine is when the pipe bending, drive cylinder 4 drives the three rotation of handle pole section, thereby drive the rotation of handle pole section one and handle section two follower, thereby make two positioning pulleys 2 support the pipe material, through setting up two positioning pulleys 2 on holding material piece 1, wait to bend and pass between two positioning pulleys 2, when folding bending piece is bent, drive cylinder 4 drives holding material piece 1 rotation, make two positioning pulleys 2 can hold up the material support in two bending directions of folding bending machine, thereby reach the bender and all can hold the purpose of material when folding bending piece is reciprocal a lot of, and overall structure is simple, convenient operation, the pay-off and the ejection of compact of convenient bending piece.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The lever type roller material supporting device for the pipe bending machine is characterized by comprising a material supporting piece, wherein two positioning pulleys are movably mounted on the same side face of the material supporting piece, the material supporting piece is rotatably mounted on a first fixed part, a driving cylinder is arranged, a base part of the driving cylinder is rotatably connected with a second fixed part through a shaft seat, a telescopic part of the driving cylinder is movably connected with the material supporting piece through a rod end bearing, and the driving cylinder drives the material supporting piece to rotate around the first fixed part.

2. The lever type roller material supporting device for the pipe bending machine according to claim 1, wherein the material supporting piece comprises a positioning part, the positioning part is rotatably connected with the fixing part, the positioning part is provided with a first handle section, a second handle section and a third handle section, positioning pulleys are rotatably arranged on the first handle section and the second handle section respectively, and the third handle section is movably connected with a rod end bearing.

3. A lever roller lifter for pipe bending machine according to claim 2, wherein the angle between the first and second stem sections is 30-60 °.

4. A lever roller lifter for a pipe bender according to claim 3, wherein the length of the first stem section is less than the length of the second stem section.

5. The lever type roller material supporting device for the pipe bending machine according to claim 2, wherein a plurality of mounting holes are formed in the first handle rod section and the second handle rod section along the length direction, and the capped shaft rod is connected with the mounting nut through threads after passing through the positioning pulley and the mounting holes.

6. The lever roller centering device for a pipe bender according to claim 2, wherein the center line of the third stem section in the longitudinal direction is on the same line as the bisector of the first and second stem sections in the initial state.

7. The lever type roller material supporting device for the pipe bending machine according to claim 2, wherein the positioning part is provided with a bearing, the second fixing part is fixedly connected with a shaft lever, the shaft lever penetrates through the bearing, the outer side of the shaft lever is sleeved with a pressing plate, and the outer side of the shaft lever, which is positioned on the pressing plate, is in threaded connection with a cap nut.

8. The lever roller material supporting device for the pipe bending machine according to claim 2, wherein gaskets are arranged on two sides of the rod end bearing, the rod end bearing penetrates through a pin shaft, and a positioning nut is connected after the pin shaft penetrates through the third handle section.