Metal pipe bender

Abstract

The utility model provides a metal pipe bender which comprises a first rectangular plate and a second rectangular plate, a first mounting plate is fixedly mounted on the left side of the first rectangular plate, a first fixing shaft is fixedly mounted on the upper surface of the first mounting plate, a first U-shaped frame is rotatably mounted on the outer side of the first fixing shaft, and a second U-shaped frame is rotatably mounted on the outer side of the first U-shaped frame. A second bending assembly is arranged in the first U-shaped frame, and the second bending assembly comprises a second bending wheel, a second guide wheel, a second round rod, a third bearing, a second through hole and a fourth bearing. According to the metal pipe bending device, the function of bending a metal pipe at different angles is achieved, the use range is expanded, a first rectangular plate and a second rectangular plate are folded and fixed through a first threaded rod, a second threaded rod and an inner threaded barrel, the whole bending device is convenient to carry, and the portability during use is improved.

Description

Technical Field

[0001] The utility model relates to a pipe bender, in particular to a metal pipe bender, and belongs to the technical field of hardware electromechanical processing. Background Art

[0002] Pipes are materials used to make pipe fittings. Different pipe fittings require different pipes. The quality of pipes directly determines the quality of pipe fittings. They are mainly used in construction projects, power plants, chemical plants, etc. When using pipes, it is usually necessary to bend the pipes to facilitate subsequent installation and use.

[0003] The Chinese patent publication (publication number: CN201621087101.8) discloses a pipe bending device, and its technical solution is: a fixed wheel is provided at the center of the base plate, a rotating shaft is sleeved on the outer side of the fixed wheel, a rotating wheel is provided on the lower right side of the fixed wheel, the left end of the rotating rod is connected to the rotating shaft on the outer side of the fixed wheel, a pipeline fixer is provided on the lower left side of the fixed wheel, a lower fixed plate is provided at the lower part of the upper fixed plate, a pin hole is provided on the front side of the upper fixed plate and the lower fixed plate, a fixing pin is provided in the pin hole, and a rear fixed plate is provided at the rear part between the upper fixed plate and the lower fixed plate. The beneficial effect of the utility model is that the device can bend the pipe when the pipe is wound, which is convenient for winding the pipe, saving time and labor. The pipe passes through the cavity composed of the upper fixed plate, the lower fixed plate and the rear fixed plate, and the fixing pin prevents the pipe from slipping. The device is provided with a fixed wheel and a rotating wheel, and the rotating rod is rotated to drive the rotating wheel to rotate around the fixed wheel to bend the pipe;

[0004] Although the bender is convenient for fixing the pipe and preventing the pipe from slipping, it is not convenient for bending the pipe with different curvatures, has a small scope of use, and is not convenient to carry. Therefore, a soil sampling device is proposed. Utility Model Content

[0005] In view of this, the utility model provides a metal pipe bender to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the utility model is implemented as follows: a metal pipe bender comprises a first rectangular plate and a second rectangular plate, a first mounting plate is fixedly mounted on the left side of the first rectangular plate, a first fixed shaft is fixedly mounted on the upper surface of the first mounting plate, a first U-shaped frame is rotatably mounted on the outer side of the first fixed shaft, a second bending assembly is arranged inside the first U-shaped frame, and the second bending assembly comprises a second bending wheel, a second guide wheel, a second round rod, a third bearing, a second through hole and a fourth bearing;

[0007] A second mounting plate is fixedly mounted on the right side of the second rectangular plate, a second fixed shaft is fixedly mounted on the upper surface of the second mounting plate, a second U-shaped frame is rotatably mounted on the outer side of the second fixed shaft, a first bending assembly is arranged inside the second U-shaped frame, and the first bending assembly includes a first bending wheel, a first guide wheel, a first bearing, a first round rod, a first through hole and a second bearing;

[0008] The front and rear sides of the first rectangular plate and the second rectangular plate are both provided with a rotating assembly, and the rotating assembly includes a square plate, a fixing rod, a circular hole and a fifth bearing;

[0009] Limit blocks are fixedly mounted on the upper surfaces of the first mounting plate and the second mounting plate, and the two limit blocks are symmetrically arranged.

[0010] Further preferably, the outer fixing sleeve of the first fixed shaft is provided with a third bearing, the top and bottom of the inner wall of the first U-shaped frame are provided with first fixing holes, the inner wall of the first fixing hole is fixedly connected to the outer side of the third bearing, the outer fixing sleeve of the third bearing is provided with a second bending wheel, the top and bottom of the inner wall of the first U-shaped frame are provided with second through holes, the inside of the second through hole is fixedly installed with a fourth bearing, the inner wall of the fourth bearing is fixedly installed with a second round rod, and the outer fixing sleeve of the fourth bearing is provided with a second guide wheel.

[0011] Further preferably, the outer fixing sleeve of the second fixed shaft is provided with a first bearing, the top and bottom of the inner wall of the second U-shaped frame are provided with second fixing holes, the inner wall of the second U-shaped frame is fixedly connected to the outer side of the first bearing, the outer fixing sleeve of the first bearing is provided with a first bending wheel, the top and bottom of the inner wall of the second U-shaped frame are provided with a first through hole, the inside of the first through hole is fixedly installed with a second bearing, the inner wall of the second bearing is fixedly installed with a first round rod, and the outer fixing sleeve of the second bearing is provided with a first guide wheel.

[0012] Further preferably, the diameter of the first guide wheel is smaller than the diameter of the second guide wheel, the diameter of the first bending wheel is smaller than the diameter of the second bending wheel, and the distance between the first bending wheel and the first guide wheel is equal to the distance between the second bending wheel and the second guide wheel.

[0013] Further preferably, the front and rear sides of the first rectangular plate and the second rectangular plate are fixedly installed with fixing rods, the front and rear sides of the first rectangular plate and the second rectangular plate are provided with square plates, the front side of the square plates has two circular holes, the outer side of the fixing sleeve of the fixing rod is provided with a fifth bearing, the outer side of the fifth bearing is fixedly connected to the inner wall of the circular hole, and the upper surfaces of the first mounting plate and the second mounting plate are provided with multiple mounting holes.

[0014] Further preferably, a second push rod is fixedly installed on the front side of the first U-shaped frame, a second threaded rod is fixedly installed on the lower surface of the second push rod, a first push rod is fixedly installed on the front side of the second U-shaped frame, a first threaded rod is fixedly installed on the lower surface of the first push rod, an outer thread sleeve of the first threaded rod is provided with an internal threaded tube, and the second threaded rod is threadedly matched with the internal threaded tube.

[0015] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0016] 1. The utility model realizes the function of bending metal pipes of the same diameter at different angles by arranging the second bending wheel, the second guide wheel, the limit block, the second push rod, the first U-shaped frame, the first bending wheel, the first guide wheel, the first push rod, the second U-shaped frame and the first guide wheel, thereby expanding the scope of use.

[0017] 2. The utility model realizes folding and fixing of the first rectangular plate and the second rectangular plate by setting a fixing rod, a fifth bearing, a first threaded rod, a second threaded rod, a first threaded rod and an internal threaded cylinder, making it easy to carry the entire bender and improving portability during use.

[0018] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is the main axonometric structural diagram of the utility model;

[0021] Figure 2 This is a bottom-up axonometric structural diagram of the present utility model;

[0022] Figure 3 It is a right side sectional isometric structural diagram of the utility model;

[0023] Figure 4 It is a left-side sectional axonometric structural diagram of the utility model;

[0024] Figure 5It is an axonometric structural diagram of the first rectangular plate and the second rectangular plate of the utility model in a folded state;

[0025] Figure 6 For the utility model Figure 2 The enlarged structure diagram of part A in the middle;

[0026] Figure 7 For the utility model Figure 3 The enlarged structure diagram of part B;

[0027] Figure 8 For the utility model Figure 3 The enlarged structure diagram of the middle C part;

[0028] Fig. 9 For the utility model Figure 4 Enlarged structural diagram of part D in the middle.

[0029] Reference numerals: 1, first rectangular plate; 2, second rectangular plate; 3, first mounting plate; 301, first fixed axis; 4, second mounting plate; 401, second fixed axis; 5, first U-shaped frame; 501, first fixed hole; 6, second U-shaped frame; 601, second fixed hole; 7, first bending assembly; 701, first bending wheel; 702, first guide wheel; 703, first bearing; 704, first round rod; 705, first through hole; 706, second bearing; 8, The second bending component; 801, the second bending wheel; 802, the second guide wheel; 803, the second round rod; 804, the third bearing; 805, the second through hole; 806, the fourth bearing; 9, the first push rod; 901, the first threaded rod; 902, the internal threaded cylinder; 10, the second push rod; 1001, the second threaded rod; 11, the rotating component; 1101, the square plate; 1102, the fixing rod; 1103, the round hole; 1104, the fifth bearing; 12, the limit block. DETAILED DESCRIPTION

[0030] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0031] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0032] like Figure 1-9As shown, the embodiment of the utility model provides a metal pipe bender, including a first rectangular plate 1 and a second rectangular plate 2, a first mounting plate 3 is fixedly installed on the left side of the first rectangular plate 1, a first fixed shaft 301 is fixedly installed on the upper surface of the first mounting plate 3, a first U-shaped frame 5 is rotatably installed on the outer side of the first fixed shaft 301, a second bending assembly 8 is arranged inside the first U-shaped frame 5, and the second bending assembly 8 includes a second bending wheel 801, a second guide wheel 802, a second round rod 803, a third bearing 804, a second through hole 805 and a fourth bearing 806;

[0033] A second mounting plate 4 is fixedly mounted on the right side of the second rectangular plate 2, a second fixed shaft 401 is fixedly mounted on the upper surface of the second mounting plate 4, a second U-shaped frame 6 is rotatably mounted on the outer side of the second fixed shaft 401, a first bending assembly 7 is arranged inside the second U-shaped frame 6, and the first bending assembly 7 includes a first bending wheel 701, a first guide wheel 702, a first bearing 703, a first round rod 704, a first through hole 705 and a second bearing 706;

[0034] The first rectangular plate 1 and the second rectangular plate 2 are both provided with a rotating assembly 11 on the front side and the rear side. The rotating assembly 11 includes a square plate 1101, a fixing rod 1102, a circular hole 1103 and a fifth bearing 1104;

[0035] Limiting blocks 12 are fixedly mounted on the upper surfaces of the first mounting plate 3 and the second mounting plate 4 , and the two limiting blocks 12 are symmetrically arranged.

[0036] In one embodiment, the outer fixed sleeve of the first fixed shaft 301 is provided with a third bearing 804, the inner wall top and the inner wall bottom of the first U-shaped frame 5 are provided with a first fixing hole 501, the inner wall of the first fixing hole 501 is fixedly connected to the outer side of the third bearing 804, the outer fixed sleeve of the third bearing 804 is provided with a second bending wheel 801, the inner wall top and the inner wall bottom of the first U-shaped frame 5 are provided with a second through hole 805, the inner part of the second through hole 805 is fixedly installed with a fourth bearing 806, the inner wall of the fourth bearing 806 is fixedly installed with a second round rod 803, the outer fixed sleeve of the fourth bearing 806 is provided with a second guide wheel 802, and the outer side of the second fixed shaft 401 A first bearing 703 is provided on the fixed sleeve, and second fixing holes 601 are provided on the top and bottom of the inner wall of the second U-shaped frame 6. The inner wall of the second U-shaped frame 6 is fixedly connected to the outer side of the first bearing 703. A first bending wheel 701 is provided on the outer fixed sleeve of the first bearing 703. A first through hole 705 is provided on the top and bottom of the inner wall of the second U-shaped frame 6. A second bearing 706 is fixedly installed inside the first through hole 705. A first round rod 704 is fixedly installed on the inner wall of the second bearing 706. A first guide wheel 702 is provided on the outer fixed sleeve of the second bearing 706. The bending of the pipe is achieved under the setting of the first bending wheel 701 and the second bending wheel 801.

[0037] In one embodiment, the diameter of the first guide wheel 702 is smaller than the diameter of the second guide wheel 802, the diameter of the first bending wheel 701 is smaller than the diameter of the second bending wheel 801, and the distance between the first bending wheel 701 and the first guide wheel 702 is equal to the distance between the second bending wheel 801 and the second guide wheel 802, thereby realizing the function of bending different angles for the same size of pipes.

[0038] In one embodiment, a fixing rod 1102 is fixedly installed on the front and rear sides of the first rectangular plate 1 and the second rectangular plate 2, and a square plate 1101 is provided on the front and rear sides of the first rectangular plate 1 and the second rectangular plate 2. Two circular holes 1103 are provided on the front side of the square plate 1101, and a fifth bearing 1104 is provided on the outer fixed sleeve of the fixing rod 1102. The outer side of the fifth bearing 1104 is fixedly connected to the inner wall of the circular hole 1103. A plurality of mounting holes are provided on the upper surfaces of the first mounting plate 3 and the second mounting plate 4, so that the first rectangular plate 1 and the second rectangular plate 2 can be easily folded.

[0039] In one embodiment, a second push rod 10 is fixedly installed on the front side of the first U-shaped frame 5, a second threaded rod 1001 is fixedly installed on the lower surface of the second push rod 10, a first push rod 9 is fixedly installed on the front side of the second U-shaped frame 6, a first threaded rod 901 is fixedly installed on the lower surface of the first push rod 9, an outer thread sleeve of the first threaded rod 901 is provided with an inner threaded tube 902, the second threaded rod 1001 is threadedly matched with the inner threaded tube 902, so as to realize the fixation of the first rectangular plate 1 and the second rectangular plate 2 after folding, so as to facilitate the carrying of the entire bender.

[0040] When the utility model is in operation: when it is necessary to bend the metal pipe, the metal pipe is placed between the second bending wheel 801 and the second guide wheel 802, and the metal pipe is brought into contact with the inner side wall of the limit block 12 on the upper surface of the first mounting plate 3, and the first U-shaped frame 5 is driven to rotate leftward by pulling the second push rod 10, and the metal pipe is bent under the cooperation of the second guide wheel 802 and the second bending wheel 801. During the bending process, the metal pipe is subjected to friction, so that the second guide wheel 802 is driven by the metal pipe. The outer side of the second round rod 803 is rotated to guide the metal pipe. When the bending angle needs to be changed, the metal pipe is placed between the first bending wheel 701 and the first guide wheel 702, and the metal pipe is contacted with the inner wall of the limit block 12 on the upper surface of the second mounting plate 4. The second U-shaped frame 6 is driven to rotate rightward by pulling the first push rod 9, and the metal pipe is bent under the cooperation of the first guide wheel 702 and the first bending wheel 701. During the bending process, the metal pipe is subjected to friction. The pipe drives the first guide wheel 702 to rotate on the outside of the first bearing 703 to guide the metal pipe. Since the diameters of the first bending wheel 701 and the second bending wheel 801 are different, it is convenient to bend the metal pipe at different angles, thereby expanding the scope of use. After use, the first mounting plate 3 and the second mounting plate 4 are rotated, and the first rectangular plate 1 and the second rectangular plate 2 are driven to rotate at the same time. The first rectangular plate 1 and the second rectangular plate 2 drive the fixing rod 1102 to rotate in the corresponding fifth bearing 1104 until the lower surface of the first rectangular plate 1 contacts the lower surface of the second rectangular plate 2. At this time, the first threaded rod 901 is rotated to be opposite to the second threaded rod 1001, and the first threaded rod 901 is rotated to make it threadably cooperate with the internal threaded cylinder 902 and gradually approach the second threaded rod 1001. The first threaded rod 901 is continued to be rotated to make it threadably cooperate with the second threaded rod 1001, thereby realizing the folding and fixing of the first rectangular plate 1 and the second rectangular plate 2, making it easy to carry the entire bender and improving the portability during use.

[0041] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A metal pipe bender, characterized in that: The invention comprises a first rectangular plate (1) and a second rectangular plate (2), wherein a first mounting plate (3) is fixedly mounted on the left side of the first rectangular plate (1), a first fixed shaft (301) is fixedly mounted on the upper surface of the first mounting plate (3), a first U-shaped frame (5) is rotatably mounted on the outer side of the first fixed shaft (301), a second bending assembly (8) is arranged inside the first U-shaped frame (5), and the second bending assembly (8) comprises a second bending wheel (801), a second guide wheel (802), a second round rod (803), a third bearing (804), a second through hole (805) and a fourth bearing (806); A second mounting plate (4) is fixedly mounted on the right side of the second rectangular plate (2); a second fixed shaft (401) is fixedly mounted on the upper surface of the second mounting plate (4); a second U-shaped frame (6) is rotatably mounted on the outer side of the second fixed shaft (401); a first bending assembly (7) is arranged inside the second U-shaped frame (6); the first bending assembly (7) comprises a first bending wheel (701), a first guide wheel (702), a first bearing (703), a first round rod (704), a first through hole (705) and a second bearing (706); The front and rear sides of the first rectangular plate (1) and the second rectangular plate (2) are both provided with a rotating assembly (11), and the rotating assembly (11) comprises a square plate (1101), a fixing rod (1102), a circular hole (1103) and a fifth bearing (1104); Limit blocks (12) are fixedly mounted on the upper surfaces of the first mounting plate (3) and the second mounting plate (4), and the two limit blocks (12) are symmetrically arranged.

2. A metal pipe bender according to claim 1, characterized in that: A third bearing (804) is provided on the outer fixing sleeve of the first fixed shaft (301); first fixing holes (501) are provided on the top and bottom of the inner wall of the first U-shaped frame (5); the inner wall of the first fixing hole (501) is fixedly connected to the outer side of the third bearing (804); a second bending wheel (801) is provided on the outer fixing sleeve of the third bearing (804); a second through hole (805) is provided on the top and bottom of the inner wall of the first U-shaped frame (5); a fourth bearing (806) is fixedly installed inside the second through hole (805); a second round rod (803) is fixedly installed on the inner wall of the fourth bearing (806); and a second guide wheel (802) is provided on the outer fixing sleeve of the fourth bearing (806).

3. A metal pipe bender according to claim 1, characterized in that: The outer fixed sleeve of the second fixed shaft (401) is provided with a first bearing (703); the inner wall top and the inner wall bottom of the second U-shaped frame (6) are both provided with second fixing holes (601); the inner wall of the second U-shaped frame (6) is fixedly connected to the outer side of the first bearing (703); the outer fixed sleeve of the first bearing (703) is provided with a first bending wheel (701); the inner wall top and the inner wall bottom of the second U-shaped frame (6) are both provided with a first through hole (705); the interior of the first through hole (705) is fixedly installed with a second bearing (706); the inner wall of the second bearing (706) is fixedly installed with a first round rod (704); and the outer fixed sleeve of the second bearing (706) is provided with a first guide wheel (702).

4. A metal pipe bender according to claim 1, characterized in that: The diameter of the first guide wheel (702) is smaller than the diameter of the second guide wheel (802), the diameter of the first bending wheel (701) is smaller than the diameter of the second bending wheel (801), and the distance between the first bending wheel (701) and the first guide wheel (702) is equal to the distance between the second bending wheel (801) and the second guide wheel (802).

5. A metal pipe bender according to claim 1, characterized in that: The front and rear sides of the first rectangular plate (1) and the second rectangular plate (2) are both fixedly mounted with fixing rods (1102); the front and rear sides of the first rectangular plate (1) and the second rectangular plate (2) are both provided with square plates (1101); the front side of the square plates (1101) are provided with two circular holes (1103); the outer fixed sleeve of the fixing rod (1102) is provided with a fifth bearing (1104); the outer side of the fifth bearing (1104) is fixedly connected to the inner wall of the circular hole (1103); and the upper surfaces of the first mounting plate (3) and the second mounting plate (4) are both provided with a plurality of mounting holes.

6. A metal pipe bender according to claim 1, characterized in that: A second push rod (10) is fixedly installed on the front side of the first U-shaped frame (5), a second threaded rod (1001) is fixedly installed on the lower surface of the second push rod (10), a first push rod (9) is fixedly installed on the front side of the second U-shaped frame (6), a first threaded rod (901) is fixedly installed on the lower surface of the first push rod (9), an outer thread sleeve of the first threaded rod (901) is provided with an inner thread tube (902), and the second threaded rod (1001) is threadedly matched with the inner thread tube (902).

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