CN217070288U

CN217070288U - Manual bending machine

Info

Publication number: CN217070288U
Application number: CN202220851566.5U
Authority: CN
Inventors: 王槐宝; 牛治国; 渠卫东; 宋献博; 于浩然; 贾玉祥; 张旺花; 张利明; 宋丽媛; 吕涛
Original assignee: Xingtai Construction Group Co ltd
Current assignee: Xingtai Construction Group Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-07-29
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a manual bending machine, which comprises a base, a first rotating shaft, a rotating plate, a fixing unit, a second rotating shaft, a rotating unit, a positioning unit and a handle; has the advantages that: 1. the bending machine has a simple structure, is convenient to use, can realize bending at various angles, and is beneficial to improving the production efficiency; 2. bearings are arranged on the first rotating shaft and the second rotating shaft, so that the rotation is smoother; 3. two circular steel sheets of second pass through the bearing and rotate to be connected in the second pivot, and when the rotor plate rotated, two circular steel sheets of second also can carry out the rotation around the second pivot, had effectively reduced the frictional force between the circular steel sheet of second and band iron or the small-size side pipe when bending, had reached laborsaving effect, had guaranteed simultaneously by the material surface of bending beautifully, had avoided follow-up numerous and diverse maintenance processes.

Description

Manual bending machine

The technical field is as follows:

the utility model relates to a construction technical field especially relates to a manual bender.

Background art:

galvanized flat iron, non-galvanized flat iron and small-size square tubes are common materials in the field of building construction, and when the galvanized flat iron, the non-galvanized flat iron and the small-size square tubes are applied to special areas, the flat iron or the small-size square tubes are often required to be bent for practicality and attractiveness. For example, a galvanized flat iron for grounding a high-voltage distribution room is arranged at a position 30cm away from the ground outside a machine room, and then the galvanized flat iron needs to be bent downwards at a right angle to a doorway. The existing bending technology mainly comprises the steps of cutting a plurality of notches at positions needing to be bent by a cutting machine, then bending the notches into required angles, welding the cut notches by electric welding, grinding the notches by a grinding machine, and brushing anti-rust paint. This operation is both labor and material consuming and does not meet aesthetic requirements.

The utility model has the following contents:

in order to satisfy the demand of bending to band iron and small-size number side pipe in each field, the utility model aims to provide a manual bender.

The utility model discloses by following technical scheme implement: a manual bending machine comprises a base, a first rotating shaft, a rotating plate, a fixing unit, a second rotating shaft, a rotating unit, a positioning unit and a handle;

the base is welded with the first rotating shaft which is vertically arranged, the rotating plate which is horizontally arranged is rotatably connected to the first rotating shaft through a bearing, the fixing unit is arranged on the first rotating shaft at one side of the rotating plate far away from the base, the second rotating shaft which is vertically arranged is also welded to the rotating plate, and the rotating unit is rotatably arranged on the second rotating shaft; the positioning unit is arranged on a perpendicular bisector of the first rotating shaft and the second rotating shaft; a connecting piece is welded at one end of the rotating plate close to the second rotating shaft, and the other end of the connecting piece is fixedly connected with the handle;

the fixing unit comprises two first round steel plates which are arranged in parallel up and down, and the two first round steel plates are fixedly connected with the first rotating shaft;

the rotating unit comprises second round steel plates which are arranged in parallel up and down, and the second round steel plates are connected with the second rotating shaft in a rotating mode through bearings.

Preferably, the two first circular steel plates are respectively tangent to the two corresponding second circular steel plates.

Preferably, the centers of the two first circular steel plates are both provided with connecting holes with internal threads, the outer surface of the first rotating shaft is provided with external threads, and the two first circular steel plates are both in threaded connection with the first rotating shaft.

Preferably, the free ends of the first rotating shaft and the second rotating shaft are both provided with limiting nuts.

Preferably, the positioning unit comprises a fixed seat and a puller bolt, the fixed seat is fixedly arranged on the base, a clamping groove with a horizontal opening is formed in one side of the fixed seat close to the fixed unit and the rotating unit, a threaded hole communicated with the clamping groove is formed in the top of the fixed seat, and the puller bolt is screwed in the threaded hole.

Preferably, the positioning unit further comprises an L-shaped boosting rod; the top of the tightening bolt is provided with a clamping groove, and the bottom end of the vertical section of the power-assisted rod is clamped in the clamping groove.

Preferably, the base is provided with at least two fixing holes.

The utility model has the advantages that: 1. the bending machine has a simple structure, is convenient to use, can realize bending at various angles, and is beneficial to improving the production efficiency; 2. bearings are arranged on the first rotating shaft and the second rotating shaft, so that the rotation is smoother; 3. two circular steel sheets of second pass through the bearing and rotate to be connected in the second pivot, and when the rotor plate rotated, two circular steel sheets of second also can carry out the rotation around the second pivot, had effectively reduced the frictional force between the circular steel sheet of second and band iron or the small-size side pipe when bending, had reached laborsaving effect, had guaranteed simultaneously by the material surface of bending beautifully, had avoided follow-up numerous and diverse maintenance processes.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a top view of the present embodiment;

FIG. 2 is a front view of the present embodiment;

FIG. 3 is a schematic view of a positioning unit according to the present embodiment;

in the figure: 1. the base, 2, first pivot, 3, rotor plate, 4, fixed unit, 401, first circular steel sheet, 5, second pivot, 6, rotation unit, 601, the circular steel sheet of second, 7, the positioning unit, 701, fixing base, 702, puller bolt, 703, helping hand pole, 704, clamp groove, 8, handle, 9, connecting piece, 10, fixed orifices, 11, stop nut.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Example 1:

as shown in fig. 1-3: a manual bending machine comprises a base 1, a first rotating shaft 2, a rotating plate 3, a fixing unit 4, a second rotating shaft 5, a rotating unit 6, a positioning unit 7 and a handle 8;

the base 1 is welded with the first rotating shaft 2 which is vertically arranged, the first rotating shaft 2 is rotatably connected with the rotating plate 3 which is horizontally arranged through a bearing, the first rotating shaft 2 at one side of the rotating plate 3 far away from the base 1 is provided with a fixing unit 4, the rotating plate 3 is also welded with a second rotating shaft 5 which is vertically arranged, and the second rotating shaft 5 is rotatably provided with a rotating unit 6; a positioning unit 7 is arranged on the perpendicular bisector of the first rotating shaft 2 and the second rotating shaft 5; one end of the rotating plate 3, which is close to the second rotating shaft 5, is welded with a connecting piece 9, the other end of the connecting piece 9 is fixedly connected with a handle 8, and three fixing holes 10 are formed in the base 1 and used for fixing the manual bending machine on a desktop or the ground.

The fixing unit 4 comprises two first circular steel plates 401 which are arranged in an up-and-down parallel mode, the two first circular steel plates 401 are fixedly connected with the first rotating shaft 2, a connecting hole with an internal thread is formed in the center of each of the two first circular steel plates 401, an external thread is arranged on the outer surface of the first rotating shaft 2, and the two first circular steel plates 401 are connected with the first rotating shaft 2 in a threaded mode. The distance between the two first circular steel plates 401 can be adjusted by rotating the first circular steel plate 401 above, so that bending of materials with different thicknesses is realized.

The rotating unit 6 comprises second round steel plates 601 which are arranged in parallel up and down, and the two second round steel plates 601 are rotatably connected with the second rotating shaft 5 through bearings. When the rotating plate 3 rotates, the two second circular steel plates 601 can rotate around the second rotating shaft 5, so that the friction force between the second circular steel plates 601 and the flat iron or the small square tube during bending is effectively reduced, and the labor-saving effect is achieved.

The two first circular steel plates 401 are tangent to the two corresponding second circular steel plates 601 respectively, and the free ends of the first rotating shaft 2 and the second rotating shaft 5 are provided with limit nuts 11. Through the stop nut 11, the first circular steel plate 401 and the second circular steel plate 601 are locked, and the first circular steel plate 401 and the second circular steel plate 601 are prevented from moving upwards.

The positioning unit 7 comprises a fixed seat 701, a puller bolt 702 and an L-shaped booster rod 703, the fixed seat 701 is fixedly arranged on the base 1, one side of the fixed seat 701, which is close to the fixed unit 4 and the rotating unit 6, is provided with a clamping groove 704 with a horizontal opening, the top of the fixed seat 701 is provided with a threaded hole communicated with the clamping groove 704, the puller bolt 702 is screwed in the threaded hole, the top of the puller bolt 702 is provided with a clamping groove, and the bottom end of the vertical section of the L-shaped booster rod 703 is clamped in the clamping groove.

The working description is as follows: the manual bending machine is fixed on a desktop through a fixing hole 10 formed in a base 1 by using a bolt, a flat iron is placed in a gap formed by two first circular steel plates 401 and two second circular steel plates 601, one end of the flat iron penetrates through a clamping groove 704 in a fixing seat 701 of a positioning unit 7, a tightening bolt 702 is screwed by using a power-assisted rod 703 to fix the flat iron, a handle 8 is pulled clockwise, the two first circular steel plates 401 serve as fulcrums, a rotating plate 3 drives the two second circular steel plates 601 to rotate around a first rotating shaft 2, meanwhile, the two second circular steel plates 601 rotate around a second rotating shaft 5, so that one side edge of the flat iron takes the first circular steel plate 401 as a fulcrum, the other side edge is squeezed by the second circular steel plates 601 to be bent to a required angle, the tightening bolt 702 is loosened, and the bent flat iron is taken out.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A manual bending machine is characterized by comprising a base, a first rotating shaft, a rotating plate, a fixing unit, a second rotating shaft, a rotating unit, a positioning unit and a handle;

2. Manual bending machine according to claim 1, wherein two of said first circular steel plates are respectively tangent to two of said corresponding second circular steel plates.

3. The manual bending machine according to claim 1, wherein connecting holes with internal threads are formed in centers of the two first circular steel plates, external threads are formed on outer surfaces of the first rotating shafts, and the two first circular steel plates are in threaded connection with the first rotating shafts.

4. A manual bending machine according to claim 1, wherein a stop nut is provided at each of the free ends of said first and second shafts.

5. The manual bending machine according to claim 1, wherein said positioning unit comprises a fixing seat and a puller bolt, said fixing seat is fixedly arranged on said base, a clamping groove with a horizontal opening is formed on one side of said fixing seat close to said fixing unit and said rotating unit, a threaded hole communicated with said clamping groove is formed on the top of said fixing seat, and said puller bolt is screwed in said threaded hole.

6. A manual bending machine according to claim 5, wherein said positioning unit further comprises an L-shaped booster bar; the top of the tightening bolt is provided with a clamping groove, and the bottom end of the vertical section of the power-assisted rod is clamped in the clamping groove.

7. The manual bending machine according to claim 1, wherein at least two fixing holes are formed on said base.