U-shaped pipe bending machine

Abstract

The utility model relates to the technical field of U-shaped pipes, and discloses a U-shaped pipe bending machine which comprises a shell, supporting legs and a displayer, the supporting legs are installed on the two sides of the lower portion of the shell, the displayer is installed on the front wall of the shell, an air switch is arranged on the outer side of the displayer, and a plurality of control buttons are arranged below the air switch. The rear wall of the shell is connected with a door through a rotating shaft, an exhaust fan is installed on the outer side of the door, a machining device is installed in the shell, and the machining device comprises a servo driver, a right-angle speed reducer and a main shaft; the ejection length and the bending degree of the capillary tube are consistent, the precision of products produced by the device is improved, the products are more standardized, the device is fully automatic, the labor cost is reduced, the production efficiency is improved, meanwhile, the structures of the device are compact, the space area of the device is reduced, and the device does not occupy space and is more convenient to use.

Description

Technical Field

[0001] The present utility model relates to the technical field of U-shaped tubes, and specifically relates to a U-shaped tube bender. Background Art

[0002] Benders are mainly used for pipeline laying and repair in electric power construction, public railway construction, boilers, bridges, ships, furniture, decoration, etc., and have the advantages of multiple functions, reasonable structure, simple operation, etc.

[0003] After retrieval, the Chinese patent authorization announcement number is CN208408120U, and the announcement date is January 22, 2019. It discloses a bender for preparing U-shaped tubes. It is proposed in the text that "a U-shaped die base, a hydraulic cylinder, a guide wheel and a limit wheel, the U-shaped die base is fixed on the working table with the hydraulic cylinder, and the telescopic rod of the hydraulic cylinder is connected with a U-shaped push head." The device structure is scattered, which is not conducive to reducing the space area of the device. At the same time, when the device processes capillary tubes, the capillary tubes need to be placed at the working place one by one, which increases labor costs and work efficiency. Moreover, the device can process capillary tubes with different curvatures, reducing the precision of the products produced by the device. In view of this, in response to the above problems, in-depth research has led to the generation of this case. Summary of the Utility Model

[0004] The purpose of the present utility model is to provide a U-shaped tube bender to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present utility model provides the following technical solution: A U-shaped tube bender includes a housing, support legs and a display. Support legs are installed on both sides below the housing. A display is installed on the front wall of the housing. An air switch is provided outside the display. A plurality of control buttons are provided below the air switch. The rear wall of the housing is connected to a door through a rotating shaft. An exhaust fan is installed outside the door. A processing device is installed inside the housing.

[0006] The processing device includes a servo drive, a right-angle reducer, and a spindle. A servo drive is installed inside the housing. A right-angle reducer is installed outside the servo drive. A spindle is installed outside the right-angle reducer. The spindle passes through the fixing plate and is connected to the first fixing column. The fixing plate is installed at the bottom inside the housing. A first gear is installed outside the first fixing column. A second gear is provided above the first gear. A second fixing column is provided outside the second gear. The second gear and the second fixing column are both installed on the outer wall of the bearing. A secondary shaft passes through the inside of the bearing. One end of the secondary shaft is installed above the fixing plate. A bent pipe wheel seat is installed on the outer wall of the bearing. A pushing block is installed above the outer side of the bent pipe wheel seat. A connecting rod is installed outside the pushing block. A first slide rail is installed outside the connecting rod. A first slider is installed on the outer wall of the first slide rail. The first slider is installed on the rear wall of the hopper. A connecting block is provided outside the first slide rail. A mini cylinder is installed on the left side of the connecting block. The mini cylinder is installed above the fixing plate. A second slider is installed below the connecting block. The second slider is installed outside the second slide rail. The left side of the second slide rail is installed on the right wall of the hopper. A push rod is installed outside the second slider. A connecting column is provided above the push rod. The right side of the connecting column is connected to the outer wall of the push rod. The left sides of the push rod and the connecting column are both provided inside the positioning block. The positioning block is installed on the right wall of the hopper. A positioning die is provided below the outside of the second fixing column. The positioning die is installed on the left wall of the hopper. Grooves are provided on the outer sides of the positioning die and the connecting column. The grooves are installed on both sides of the hopper. A hopper base is provided inside the hopper. Fixed slots are provided on both sides of the hopper. Cylinder bodies are installed on both sides below the hopper base. The lower sides of the cylinder bodies are connected to the inner wall of the housing.

[0007] Preferably, the housing and the fixing plate are fixedly connected. The first fixing columns are fixedly connected to both the spindle and the first gear.

[0008] Preferably, the first gear and the second gear are meshed. The inner wall of the second gear and the inside of the bearing are both connected to the outer wall of the bearing.

[0009] Preferably, the bearing and the secondary shaft are rotatably connected. One end of the secondary shaft is fixedly connected to the fixing plate.

[0010] Preferably, the other end of the secondary shaft is correspondingly arranged with both the pushing block and the positioning die. The positioning die and the hopper are fixedly connected.

[0011] Preferably, the connecting rod and the pushing block are fixedly connected. The connecting rod and the first slide rail are perpendicularly arranged to each other.

[0012] Preferably, the first slide rail is slidably connected to the first slider, and the first slider is fixedly connected to the connecting rod.

[0013] Preferably, the first slide rail is correspondingly arranged with the connecting block. The mini cylinders are fixedly connected between the upper parts of the connecting block and the fixed plate, and the second sliders are fixedly connected between the connecting block and the push rods.

[0014] Preferably, the second slider is slidably connected to the second slide rail, the push rod is fixedly connected to the connecting column, and the positioning blocks are correspondingly arranged between the push rod and the connecting column.

[0015] Preferably, the two grooves are on the same horizontal line. The grooves are correspondingly arranged with the fixed grooves, and the hopper is slidably connected to the hopper base.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] By setting up a servo drive, a right-angle reduction gearbox, and a main shaft, the straight stainless steel capillary tubes are arranged and loaded into the hopper. There is a hopper base inside the hopper, and both sides of the bottom of the hopper base are controlled by the cylinder body to move up and down inside the hopper, causing the stainless steel capillary tubes to vibrate and be arranged for feeding. There are reserved fixing grooves on the inner side of the hopper base, and a capillary tube can be rolled into the fixing groove. Secondly, start the mini cylinder to drive the second slider connected to the connecting block to slide outside the second slide rail. The second slider drives the push rod and the connecting column to slide through the positioning block, and the connecting column penetrates the right groove to push out the capillary tube inside the fixing groove, so that the left side of the capillary tube penetrates the left groove to the positioning die and is sent to the winding part, making the ejection length of the capillary tube consistent. And the capillary tube is above the elbow wheel seat. The mini cylinder resets. Then, start the servo drive to drive the main shaft to rotate to the right through the right-angle reduction gearbox. The main shaft drives the first gear connected to the first fixed column to rotate. Through the connection setting between the first gear and the second gear, the first gear drives the second gear to rotate outside the auxiliary shaft, and the second fixed column drives the elbow wheel seat to rotate around the outside of the auxiliary shaft, and the capillary tube can be bent into a U shape according to the track, making the bending degree of the capillary tubes produced by the device consistent, improving the precision of the products produced by the device, and making the products more standardized. After the winding is completed, start the servo drive to drive the main shaft to rotate to the left through the right-angle reduction gearbox (running in the reverse of the above), so that the elbow wheel seat resets. The servo drive is turned off. Then start the mini cylinder to drive the connecting block to slide. The connecting block drives the first slide rail to slide inside the first slider. The first slide rail drives the push block connected to the connecting rod to push to the left, and the connecting block drives the connecting column to push to the left (running in the above steps), so that the connecting column and the push block push forward at the same time until the wound finished product is pushed out, making the device more automated, reducing labor costs, and improving production efficiency. At the same time, the structure of the device is relatively compact, reducing the space area of the device, making the device more convenient to use without taking up much space. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. In all the drawings, similar elements or parts are generally marked with similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to actual scale.

[0019] Figure 1 Schematic three-dimensional structure diagram of the present utility model;

[0020] Figure 2 Schematic side view structure diagram of the present utility model;

[0021] Figure 3Schematic perspective view of the processing device of the present utility model;

[0022] Figure 4 Schematic top view of the processing device of the present utility model;

[0023] Figure 5 Schematic partial perspective view of the processing device of the present utility model.

[0024] In the figure: 1, outer shell; 2, support leg; 3, display; 4, control button; 5, air switch; 6, door; 7, exhaust fan; 8, processing device; 801, servo drive motor; 802, right-angle reduction gear; 803, main shaft; 804, fixing plate; 805, first fixing column; 806, first gear; 807, second gear; 808, second fixing column; 809, bearing; 810, auxiliary shaft; 811, elbow wheel seat; 812, pushing block; 813, connecting rod; 814, first slide rail; 815, first slider; 816, connecting block; 817, mini cylinder; 818, second slider; 819, second slide rail; 820, push rod; 821, connecting column; 822, positioning block; 823, hopper; 824, positioning die; 825, groove; 826, hopper base; 827, fixing groove; 828, cylinder body. Detailed implementation manners

[0025] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0026] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts belong to the scope of protection of the present utility model.

[0028] Please refer to Figures 1-5 , the present utility model provides a technical solution for a U-shaped tube bender: a U-shaped tube bender, including a housing 1, support legs 2 and a display 3. Support legs 2 are installed on both sides below the housing 1, a display 3 is installed on the front wall of the housing 1, a main switch 5 is provided outside the display 3, a plurality of control buttons 4 are provided below the main switch 5, the rear wall of the housing 1 is connected to a door 6 through a rotating shaft, an exhaust fan 7 is installed outside the door 6, and a processing device 8 is installed inside the housing 1;

[0029] The processing device 8 includes a servo drive 801, a right-angle reduction gear 802, and a main shaft 803. The servo drive 801 is installed inside the housing 1. The right-angle reduction gear 802 is installed outside the servo drive 801. The main shaft 803 is installed outside the right-angle reduction gear 802. The main shaft 803 passes through the fixing plate 804 and is connected to the first fixing column 805. The fixing plate 804 is installed at the bottom inside the housing 1. A first gear 806 is installed outside the first fixing column 805. A second gear 807 is provided above the first gear 806. A second fixing column 808 is provided outside the second gear 807. Both the second gear 807 and the second fixing column 808 are installed on the outer wall of the bearing 809. A secondary shaft 810 passes through the inside of the bearing 809. One end of the secondary shaft 810 is installed above the fixing plate 804. A pipe bending wheel seat 811 is installed on the outer wall of the bearing 809. A push block 812 is installed above the outer side of the pipe bending wheel seat 811. A connecting rod 813 is installed outside the push block 812. A first slide rail 814 is installed outside the connecting rod 813. A first slider 815 is installed on the outer wall of the first slide rail 814. The first slider 815 is installed on the rear wall of the hopper 823. A connecting block 816 is provided outside the first slide rail 814. A mini cylinder 817 is installed on the left side of the connecting block 816. The mini cylinder 817 is installed above the fixing plate 804. A second slider 818 is installed below the connecting block 816. The second slider 818 is installed outside the second slide rail 819. The left side of the second slide rail 819 is installed on the right wall of the hopper 823. A push rod 820 is installed outside the second slider 818. A connecting column 821 is provided above the push rod 820. The right side of the connecting column 821 is connected to the outer wall of the push rod 820. Both the left side of the push rod 820 and the connecting column 821 are provided inside the positioning block 822. The positioning block 822 is installed on the right wall of the hopper 823. A positioning die 824 is provided below the outer side of the second fixing column 808. The positioning die 824 is installed on the left wall of the hopper 823. Grooves 825 are provided outside both the positioning die 824 and the connecting column 821. The grooves 825 are installed on both sides of the hopper 823. A hopper base 826 is provided inside the hopper 823. Fixing grooves 827 are provided on both sides of the hopper 823. Cylinder bodies 828 are installed on both sides below the hopper base 826. The lower sides of the cylinder bodies 828 are connected to the inner wall of the housing 1.

[0030] First, arrange the straight stainless steel capillary tubes in the hopper 823. There is a hopper base 826 inside the hopper 823. The two sides of the bottom of the hopper base 826 are controlled by the cylinder body 828 to move up and down inside the hopper 823, causing the stainless steel capillary tubes to vibrate and be arranged for feeding. And there is a fixing groove 827 reserved on the inner side of the hopper base 826, into which a capillary tube can be rolled. Secondly, start the mini-cylinder 817 to drive the second slider 818 connected to the connecting block 816 to slide outside the second slide rail 819. The second slider 818 drives the push rod 820 and the connecting column 821 to slide through the positioning block 822. And the connecting column 821 passes through the right groove 825 to push out the capillary tube inside the fixing groove 827, so that the left side of the capillary tube passes through the left groove 825 to the positioning die 824 and is sent to the winding part, making the ejection length of the capillary tube consistent. And the capillary tube is above the bending wheel seat 811, and the mini-cylinder 817 resets. Then, start the servo drive 801 to drive the main shaft 803 to rotate to the right through the right-angle reduction gear 802. The main shaft 803 drives the first gear 806 connected to the first fixing column 805 to rotate. Through the connection between the first gear 806 and the second gear 807, the first gear 806 drives the second gear 807 to rotate outside the secondary shaft 810. And the second fixing column 808 drives the bending wheel seat 811 to rotate around the outside of the secondary shaft 810, and the capillary tube can be bent into a U shape according to the track, making the bending degree of the capillary tubes produced by the device consistent, improving the precision of the products produced by the device, and making the products more standardized. After the winding is completed, start the servo drive 801 to drive the main shaft 803 to rotate to the left through the right-angle reduction gear 802, running in the reverse of the above, to reset the bending wheel seat 811. The servo drive 801 is turned off. Then start the mini-cylinder 817 to drive the connecting block 816 to slide. The connecting block 816 drives the first slide rail 814 to slide inside the first slider 815. The first slide rail 814 drives the pushing block 812 connected to the connecting rod 813 to push to the left. And the connecting block 816 drives the connecting column 821 to push to the left and run in the above steps, so that the connecting column 821 and the pushing block 812 push forward at the same time until the wound finished product is pushed out, making the device more automated, reducing labor costs, and improving production efficiency. At the same time, the structure of the device is relatively compact, reducing the space area of the device, making the device more convenient to use without taking up much space.

[0031] The housing 1 is fixedly connected to the fixing plate 804, and the first fixing columns 805 are fixedly connected to the main shaft 803 and the first gear 806 respectively.

[0032] The first gear 806 and the second gear 807 are meshed, and the inner wall of the second gear 807 and the inside of the bearing 809 are both connected to the outer wall of the bearing 809.

[0033] There is a rotational connection between the bearing 809 and the auxiliary shaft 810, and there is a fixed connection between one end of the auxiliary shaft 810 and the fixed plate 804.

[0034] The other ends of the auxiliary shafts 810 are correspondingly arranged between the push blocks 812 and the positioning die 824, and there is a fixed connection between the positioning die 824 and the hopper 823.

[0035] There is a fixed connection between the connecting rod 813 and the push block 812, and the connecting rod 813 and the first slide rail 814 are arranged perpendicular to each other.

[0036] There is a sliding connection between the first slide rail 814 and the first slider 815, and there is a fixed connection between the first slider 815 and the connecting rod 813.

[0037] The first slide rail 814 and the connecting block 816 are correspondingly arranged. The mini cylinder 817 is fixedly connected between the connecting block 816 and above the fixed plate 804, and the second slider 818 is fixedly connected between the connecting block 816 and the push rod 820.

[0038] There is a sliding connection between the second slider 818 and the second slide rail 819. There is a fixed connection between the push rod 820 and the connecting column 821, and the positioning blocks 822 are correspondingly arranged between the push rod 820 and the connecting column 821.

[0039] The two side grooves 825 are on the same horizontal line. The groove 825 and the fixed groove 827 are correspondingly arranged, and there is a sliding connection between the hopper 823 and the hopper base 826.

[0040] Although the embodiments of the present utility have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility. The scope of the present utility is defined by the appended claims and their equivalents.

Claims

1. A U-shaped tube bending machine, comprising a housing (1), a support leg (2) and a display (3), characterized in that: Support legs (2) are installed on both sides of the lower side of the shell (1); a display (3) is installed on the front wall of the shell (1); a switch (5) is provided on the outer side of the display (3); a plurality of control buttons (4) are provided below the switch (5); a rear wall of the shell (1) is connected to a door (6) via a rotating shaft; an exhaust fan (7) is installed on the outer side of the door (6); and a processing device (8) is installed inside the shell (1); The processing device (8) comprises a servo drive (801), a right-angle reducer (802) and a main shaft (803); the servo drive (801) is installed inside the housing (1); the right-angle reducer (802) is installed outside the servo drive (801); the main shaft (803) is installed outside the right-angle reducer (802); the main shaft (803) passes through a fixed plate (804) and is connected to a first fixed column (805); the fixed plate (804) is installed at the bottom of the inner side of the housing (1); a first gear (806) is installed outside the first fixed column (805); a second gear (807) is provided above the first gear (806); the outer side of the second gear (807) is provided with a first gear (806); A second fixing column (808) is provided on the side, the second gear (807) and the second fixing column (808) are both installed on the outer wall of the bearing (809), the interior of the bearing (809) is penetrated by a secondary shaft (810), one end of the secondary shaft (810) is installed above the fixing plate (804), the outer wall of the bearing (809) is installed with a bending wheel seat (811), the upper part of the outer side of the bending wheel seat (811) is installed with a pushing block (812), the outer side of the pushing block (812) is installed with a connecting rod (813), the outer side of the connecting rod (813) is installed with a first slide rail (814), the outer wall of the first slide rail (814) is installed with a first slider (815), and the first slider (815) is installed on The rear wall of the hopper (823), a connecting block (816) is provided on the outer side of the first slide rail (814), a mini cylinder (817) is installed on the left side of the connecting block (816), and the mini cylinder (817) is installed above the fixed plate (804), a second slider (818) is installed below the connecting block (816), the second slider (818) is installed on the outer side of the second slide rail (819), the left side of the second slide rail (819) is installed on the right wall of the hopper (823), a push rod (820) is installed on the outer side of the second slider (818), a connecting column (821) is provided above the push rod (820), and the right side of the connecting column (821) is connected to the outer wall of the push rod (820), The left sides of the push rod (820) and the connecting column (821) are both arranged on the inner side of the positioning block (822), and the positioning block (822) is installed on the right wall of the hopper (823). A positioning mold (824) is provided below the outer side of the second fixing column (808), and the positioning mold (824) is installed on the left wall of the hopper (823). The outer sides of the positioning mold (824) and the outer sides of the connecting column (821) are both provided with grooves (825), and the grooves (825) are installed on both sides of the hopper (823). A hopper base (826) is provided inside the hopper (823), and fixing grooves (827) are provided on both sides of the hopper (823). A cylinder body (828) is installed on both sides below the hopper base (826).The lower part of the cylinder body (828) is connected to the inner wall of the outer shell (1).

2. A U-shaped tube bender according to claim 1, characterized in that: The housing (1) is fixedly connected to the fixing plate (804), and the first fixing column (805) is fixedly connected to the main shaft (803) and the first gear (806).

3. A U-shaped tube bender according to claim 2, characterized in that: The first gear (806) and the second gear (807) are meshed with each other, and the inner wall of the second gear (807) and the interior of the bearing (809) are both connected to the outer wall of the bearing (809).

4. A U-shaped tube bender according to claim 3, characterized in that: The bearing (809) and the secondary shaft (810) are rotatably connected, and one end of the secondary shaft (810) and the fixed plate (804) are fixedly connected.

5. A U-shaped tube bender according to claim 4, characterized in that: The other end of the secondary shaft (810) is arranged correspondingly between the pushing block (812) and the positioning mold (824), and the positioning mold (824) and the hopper (823) are fixedly connected.

6. A U-shaped tube bender according to claim 5, characterized in that: The connecting rod (813) and the pushing block (812) are fixedly connected, and the connecting rod (813) and the first slide rail (814) are arranged perpendicular to each other.

7. A U-shaped tube bender according to claim 6, characterized in that: The first slide rail (814) and the first slider (815) are slidably connected, and the first slider (815) and the connecting rod (813) are fixedly connected.

8. A U-shaped tube bender according to claim 7, characterized in that: The first slide rail (814) and the connecting block (816) are arranged correspondingly, the mini cylinder (817) is fixedly connected to the connecting block (816) and the upper part of the fixing plate (804), and the second sliding block (818) is fixedly connected to the connecting block (816) and the push rod (820).

9. A U-shaped tube bender according to claim 8, characterized in that: The second sliding block (818) is slidably connected to the second sliding rail (819), the push rod (820) is fixedly connected to the connecting column (821), and the positioning block (822) is arranged corresponding to the push rod (820) and the connecting column (821).

10. A U-shaped tube bender according to claim 9, characterized in that: The grooves (825) on both sides are on the same horizontal line, the grooves (825) and the fixing grooves (827) are arranged correspondingly, and the hopper (823) and the hopper base (826) are slidably connected.

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