CN216095757U

CN216095757U - Bending machine convenient to bend

Info

Publication number: CN216095757U
Application number: CN202122208520.XU
Authority: CN
Inventors: 李振文
Original assignee: Huizhou Tongli Machinery Technology Co ltd
Current assignee: Huizhou Tongli Machinery Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-03-22
Anticipated expiration: 2031-09-13

Abstract

The utility model relates to the field of bent pipe preparation, in particular to a pipe bending machine convenient to bend, which comprises a rack, wherein one end of the rack is provided with an outer ring pipe pin bending mechanism, the other end of the rack is provided with an inner ring pipe pin bending mechanism, and the rack is provided with a double-layer bending spiral mechanism; the bending double-layer spiral mechanism comprises a column plate, the column plate is connected with a fixed seat through a first guide rod, a sliding guide piece is installed on the first guide rod, outer mold core ejection cylinders are installed on two sides of the fixed seat, rotary motors are installed on the inner sides of the outer mold core ejection cylinders, second connecting pieces are installed on the rotary motors and connected with first mold cores through installation sleeves, and second mold cores are installed on the first mold cores; the vertical column plate is provided with the pitch motor for connection, the pitch motor is provided with the pitch lead screw, the pitch lead screw is provided with the sliding plate, the sliding plate is fixedly provided with the downward pressing air cylinder through the mounting frame, and the bottom of the downward pressing air cylinder is provided with the sliding piece.

Description

Bending machine convenient to bend

Technical Field

The utility model relates to the field of bent pipe preparation, in particular to a pipe bending machine convenient to bend.

Background

Pipe bending machines can be broadly classified into numerical control pipe bending machines, hydraulic pipe bending machines, and the like. The application of the pipe bender is as follows: the hydraulic pipe bender is mainly used for electric power construction, highway construction, pipeline laying and repairing in the aspects of boilers, bridges, ships, furniture, decoration and the like, and has the advantages of multiple functions, reasonable structure, simplicity in operation, convenience in movement, quickness in installation and the like.

In the using process of the existing pipe bender, the equipment can only bend a single pipe, and double-layer bent pipes cannot be realized, so that the use of the equipment is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pipe bender convenient to bend, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a pipe bending machine convenient to bend comprises a rack, wherein one end of the rack is provided with an outer ring pin bending mechanism, the other end of the rack is provided with an inner ring pin bending mechanism, and a double-layer bending spiral mechanism is arranged on the rack between the inner ring pin bending mechanism and the outer ring pin bending mechanism; the outer ring pin bending mechanism comprises an installation bottom plate fixedly connected with the rack, installation bases are fixedly installed at two ends of the installation bottom plate, a rotating shaft is rotatably installed in each installation base, a connecting handle is fixedly installed on each rotating shaft, a pipe bending die holder is fixedly installed on each rotating shaft through a bolt, the outer side of each pipe bending die holder is connected with an installation block through a first connecting piece, and a first pressing air cylinder is fixedly installed on each installation block; the bending inner ring pin mechanism comprises a base fixedly mounted with a rack, the base is fixedly connected with a second pressing cylinder through a mounting block, the second pressing cylinder is fixedly connected with a connecting slide rail through a mounting plate through a bolt, the connecting slide rail is slidably connected with a chute, the base is fixedly provided with a central rotating shaft, the central rotating shaft is sleeved with a bending die core, the bending die core is fixedly connected with a mounting piece, a third pressing cylinder is clamped in a notch arranged at one end of the mounting piece, and the mounting piece is fixedly connected with a hand bending handle through a bolt; the bending double-layer spiral mechanism comprises a stand column plate fixedly connected with a rack, two ends of the stand column plate are connected with a fixed seat through first guide rods, sliding guide pieces are slidably mounted on the first guide rods, outer mold core ejection cylinders are fixedly mounted on two side bolts of the fixed seat, a rotary motor is fixedly mounted on the inner side of each outer mold core ejection cylinder, a second connecting piece is mounted on each rotary motor and is slidably connected with the fixed seat, each second connecting piece is connected with a first mold core through a mounting sleeve, and a second mold core is mounted on each first mold core; the vertical column plate is connected with a pitch motor through a mounting part, the pitch motor is fixedly provided with a pitch lead screw, the other end of the pitch lead screw is rotatably provided with a support plate, one end of the support plate is fixedly connected with the vertical column plate, two ends of the support plate and the vertical column plate are provided with second guide rods, a sliding plate is slidably arranged on the second guide rods, the sliding plate is in threaded connection with the pitch lead screw, a pressing cylinder is fixedly arranged on the sliding plate through a mounting frame, and a sliding part is arranged at the bottom of the pressing cylinder.

Preferably, the first connecting piece comprises a first connecting block fixedly connected with the bent pipe die holder, the first connecting block is connected with the second connecting frame through a rotating shaft, and the second connecting block is fixedly connected with the mounting block.

Preferably, the central rotating shaft positioned on the upper side of the bending die core is in threaded connection with a nut, so that the bending die core can be conveniently and fixedly arranged on the central rotating shaft.

Preferably, the first mold core is connected with the sliding guide piece through a second sliding sleeve, the other end of the second sliding sleeve is connected with the first sliding sleeve, and the first sliding sleeve is rotatably connected with the upright post plate through a bearing seat.

Preferably, the surface of the first mold core is provided with a plurality of connecting grooves; the inner wall of the second sliding sleeve is correspondingly provided with a plurality of connecting lugs, and the connecting lugs are correspondingly inserted into the connecting grooves, so that the first mold core and the second sliding sleeve can be conveniently connected in a sliding manner.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the inner ring pin is bent on the inner ring pin bending mechanism, the bent pipe is rotated and moved by the double-layer bending screw mechanism, and then the outer ring pin bending mechanism bends the pin, so that the device can be directly bent into two layers, and the device is convenient to use.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a bending machine facilitating bending according to the present invention.

Fig. 2 is a schematic structural diagram of an outer ring pin bending mechanism of a pipe bender convenient for bending.

Fig. 3 is an exploded view of the outer ring pin bending mechanism of the bending machine according to the present invention.

FIG. 4 is a schematic structural view of a pin bending mechanism for inner ring of a bending machine for bending easily according to the present invention

Fig. 5 is an exploded view of a mechanism for bending inner ring pins in a bending machine for facilitating bending according to the present invention.

Fig. 6 is a schematic structural view of a double-deck screw bending mechanism of a bending machine for facilitating bending according to the present invention.

1. A frame; 2. an outer ring pin bending mechanism; 3. an inner ring pin bending mechanism; 4. bending the double-layer spiral mechanism; 21. mounting a bottom plate; 22. a mounting seat; 23. a rotating shaft; 24. a pipe bending die holder; 25. a connecting handle; 26. a first connecting member; 27. mounting blocks; 28. a first hold-down cylinder; 31. a base; 32. mounting blocks; 33. a second hold-down cylinder; 34. connecting a slide rail; 35. a chute; 36. a central rotating shaft; 37. bending a mold core; 38. a mounting member; 39. a third hold-down cylinder; 310. bending the handle by hand; 41. a column plate; 42. a first guide bar; 43. a fixed seat; 44. a first sliding sleeve; 45. a first mold core; 46. a second mold core; 47. a sliding guide; 48. a second connecting member; 49. a rotary motor; 410. the outer mold core is ejected out of the cylinder; 411. a mounting member; 412. a pitch motor; 413. a screw pitch lead screw; 414. a support plate; 415. a second guide bar; 416. a slide plate; 417. pressing down the air cylinder; 418. a second sliding sleeve; 419. a slider.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-6, in the embodiment of the utility model, a pipe bending machine convenient to bend comprises a frame 1, wherein one end of the frame 1 is provided with an outer ring pin bending mechanism 2, the other end of the frame is provided with an inner ring pin bending mechanism 3, the frame 1 between the inner ring pin bending mechanism 3 and the outer ring pin bending mechanism 2 is provided with a double-layer bending screw mechanism 4, an inner ring pin is bent on the inner ring pin bending mechanism 3, and after the inner ring pin is bent by rotating and moving the double-layer bending screw mechanism 4, the outer ring pin bending mechanism bends the pin, so that the equipment can be directly bent into two layers, and the use of the equipment is convenient.

Curved outer lane pin mechanism 2 include with 1 fixed connection's of frame mounting plate 21, mounting plate 21's both ends fixed mounting has mount pad 22, and the rotation axis 23 is installed in the inside rotation of mount pad 22, and fixed mounting has connection handle 25 on the rotation axis 23, bolt fixed mounting has return bend die holder 24 on the rotation axis 23, the return bend die holder 24 outside is connected with installation piece 27 through first connecting piece 26, and fixed mounting has first compressing cylinder 28 on the installation piece 27, through placing the return bend first compressing cylinder 28 and first connecting piece 26 between, fixes the centre gripping back to the pipeline through first compressing cylinder 28, through manual swivelling joint handle 25, can realize handling the curved outer lane pin of pipeline, makes things convenient for the use of equipment.

The bent inner ring pin mechanism 3 comprises a base 31 fixedly installed with the frame 1, the base 31 is fixedly connected with a second pressing cylinder 33 through an installation block 32, the second pressing cylinder 33 is fixedly connected with a connecting slide rail 34 through an installation plate, the connecting slide rail 34 is slidably connected with a sliding chute 35, a central rotating shaft 36 is fixedly installed on the base 31, a bent mold core 37 is sleeved on the central rotating shaft 36, an installation part 38 is fixedly connected on the bent mold core 37, a third pressing cylinder 39 is clamped inside a notch arranged at one end of the installation part 38, the installation part 38 is fixedly connected with a hand bending handle 310 through a bolt, a bent pipe is clamped inside a third clamping part cylinder 39 and the bent mold core 37 through the third pressing cylinder 39, and one side of the bent pipe is driven by the second eye rod 33 to be connected with the sliding chute 34 to drive the connecting sliding chute 35 to be hijacked with the bent pipe, the bent inner ring pin of the bent pipe is processed by manually rotating the hand bending handle 35, so that the use of equipment is facilitated.

The bent double-layer screw mechanism 4 comprises an upright post plate 41 fixedly connected with the rack 1, two ends of the upright post plate 41 are connected with a fixed seat 43 through a first guide rod 42, a sliding guide piece 47 is slidably mounted on the first guide rod 42, outer mold core ejection cylinders 410 are fixedly mounted on two sides of the fixed seat 43 through bolts, a rotary motor 49 is fixedly mounted on the inner side of each outer mold core ejection cylinder 410, a second connecting piece 48 is mounted on each rotary motor 49, the second connecting piece 48 is slidably connected with the fixed seat 43, the second connecting piece 48 is connected with the first mold core 45 through a mounting sleeve, and a second mold core 46 is mounted on the first mold core 45; the upright post plate 41 is connected with a pitch motor 412 through a mounting part 411, the pitch motor 412 is fixedly provided with a pitch lead screw 413, the other end of the pitch lead screw 413 is rotatably provided with a support plate 414, one end of the support plate 414 is fixedly connected with the upright post plate 41, two ends between the support plate 414 and the upright post plate 41 are provided with second guide rods 415, the second guide rods 415 are slidably provided with sliding plates 416, the sliding plates 46 are in threaded connection with the pitch lead screw 413, the sliding plates 416 are fixedly provided with a pressing cylinder 411 through a mounting frame, the bottom of the pressing cylinder 417 is provided with a sliding part 419, a bent pipe is placed on the second mold core 46, the sliding part 419 is driven by the pressing cylinder 417 to contact and clamp the bent pipe, the second connecting rod 48 is driven by a rotating motor 491 to drive the first mold core 45 and the second mold core 46 to rotate, the second mold core 416 is driven by matching with an outer mold core ejection cylinder 410 to move, and the pitch motor 412 drives the pitch lead screw 413 to drive the sliding plates 416 to move, synchronous movement of the drive slide 419 is achieved, so that the pipe bending process can be performed on the pipe.

Referring to fig. 2, in an embodiment of the present invention, the first connecting member 26 includes a first connecting block fixedly connected to the tube bending die holder 24, the first connecting block is connected to a second connecting frame through a rotating shaft, and the second connecting block is fixedly connected to the mounting block 27, so that the rotating connection between the tube bending die holder 24 and the mounting block 27 is facilitated, and thus the tube bending process of the device is facilitated.

Referring to fig. 4, a nut is threadedly connected to the central rotating shaft 36 located at the upper side of the bending die core 37, so that the bending die core 37 can be conveniently and fixedly mounted on the central rotating shaft 36.

Referring to fig. 6, in an embodiment of the present invention, the first mold core 45 is connected to the sliding guide 47 through the second runner 418, the other end of the second runner 418 is connected to the first runner 44, and the first runner 44 is rotatably connected to the column plate 41 through a bearing seat, so that stable rotation and sliding of the first mold core 45 can be achieved.

Referring to fig. 6, in an embodiment of the present invention, a plurality of connecting grooves are formed on a surface of the first mold core 45; the inner wall of the second sliding sleeve 418 is correspondingly provided with a plurality of connecting lugs, and the connecting lugs are correspondingly inserted into the connecting grooves, so that the first mold core 45 and the second sliding sleeve 418 can be conveniently connected in a sliding manner.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations, and the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A pipe bending machine convenient to bend comprises a rack and is characterized in that one end of the rack is provided with an outer ring pin bending mechanism, the other end of the rack is provided with an inner ring pin bending mechanism, and a double-layer bending spiral mechanism is arranged on the rack between the inner ring pin bending mechanism and the outer ring pin bending mechanism;

the outer ring pin bending mechanism comprises an installation bottom plate fixedly connected with the rack, installation bases are fixedly installed at two ends of the installation bottom plate, a rotating shaft is rotatably installed in each installation base, a connecting handle is fixedly installed on each rotating shaft, a pipe bending die holder is fixedly installed on each rotating shaft through a bolt, the outer side of each pipe bending die holder is connected with an installation block through a first connecting piece, and a first pressing air cylinder is fixedly installed on each installation block;

the bending inner ring pin mechanism comprises a base fixedly mounted with a rack, the base is fixedly connected with a second pressing cylinder through a mounting block, the second pressing cylinder is fixedly connected with a connecting slide rail through a mounting plate through a bolt, the connecting slide rail is slidably connected with a chute, the base is fixedly provided with a central rotating shaft, the central rotating shaft is sleeved with a bending die core, the bending die core is fixedly connected with a mounting piece, a third pressing cylinder is clamped in a notch arranged at one end of the mounting piece, and the mounting piece is fixedly connected with a hand bending handle through a bolt;

the bending double-layer spiral mechanism comprises a stand column plate fixedly connected with a rack, two ends of the stand column plate are connected with a fixed seat through first guide rods, sliding guide pieces are slidably mounted on the first guide rods, outer mold core ejection cylinders are fixedly mounted on two side bolts of the fixed seat, a rotary motor is fixedly mounted on the inner side of each outer mold core ejection cylinder, a second connecting piece is mounted on each rotary motor and is slidably connected with the fixed seat, each second connecting piece is connected with a first mold core through a mounting sleeve, and a second mold core is mounted on each first mold core;

the vertical column plate is connected with a pitch motor through a mounting part, the pitch motor is fixedly provided with a pitch lead screw, the other end of the pitch lead screw is rotatably provided with a support plate, one end of the support plate is fixedly connected with the vertical column plate, two ends of the support plate and the vertical column plate are provided with second guide rods, a sliding plate is slidably arranged on the second guide rods, the sliding plate is in threaded connection with the pitch lead screw, a pressing cylinder is fixedly arranged on the sliding plate through a mounting frame, and a sliding part is arranged at the bottom of the pressing cylinder.

2. The bending machine according to claim 1, wherein the first connecting member includes a first connecting block fixedly connected to the bending die holder, the first connecting block is connected to the second connecting frame through a rotating shaft, and the second connecting block is fixedly connected to the mounting block.

3. The bending machine of claim 1, wherein a nut is threadedly engaged with the central shaft at an upper side of the bending die core to facilitate mounting the bending die core on the central shaft.

4. The bending machine convenient to bend according to claim 1, wherein the first mold core is connected with the sliding guide through a second sliding sleeve, the other end of the second sliding sleeve is connected with the first sliding sleeve, and the first sliding sleeve is rotatably connected with the column plate through a bearing seat.

5. The bending machine facilitating bending according to claim 4, wherein the surface of the first core is provided with a plurality of connecting grooves;

the inner wall of the second sliding sleeve is correspondingly provided with a plurality of connecting lugs, and the connecting lugs are correspondingly inserted into the connecting grooves, so that the first mold core and the second sliding sleeve can be conveniently connected in a sliding manner.