Pipe bending machine

Abstract

The utility model discloses a pipe bending machine which comprises an operation table, a fixed die is arranged at the top of the operation table, a bending die is arranged at the top of the operation table and located on one side of the fixed die, a rotating assembly used for rotating the bending die is arranged at the bottom of the operation table, and a square hole is formed in the bottom of the fixed die. According to the pipe bending device, due to the arrangement of the pushing assembly, the telescopic end of the first electric push rod stretches out along the square hole, the bent pipe is automatically pushed outwards, the pipe bending efficiency is improved, and the pipe bending efficiency is improved. The pipe can be conveniently pushed out of the fixed die, the bent pipe can be conveniently taken out, and the working efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipe bender technical field, specifically is a pipe bender. BACKGROUND

[0002] The pipe bender for display stand production is a device specially designed for display stand production, and its structure and functions are closely related to the needs of display stand production. For example, it can adapt to various pipe specifications commonly used in display stands, such as round pipes and square pipes, and can bend at different angles and curvatures according to the design requirements of display stands.

[0003] A pipe bender is disclosed in Chinese Patent No. CN217617043U, which comprises a rack, a rotating frame, an annular mold disc, a mold, a first drive cylinder and a drive mechanism. The rotating frame is rotatably installed on the rack, the annular mold disc is fixedly installed on the rotating frame, the first drive cylinder is fixedly installed on the rotating frame, the mold is fixedly installed on the output end of the first drive cylinder, the annular mold disc is provided with a first limiting mold corresponding to the mold, the rack is fixedly provided with a second limiting mold, and the annular mold disc, the mold, the first limiting mold and the second limiting mold are all provided with semicircular mold grooves. The drive mechanism comprises an adjusting rod, a transmission frame and a second drive cylinder. The transmission frame is rotatably installed on the rack, one end of the adjusting rod is hingedly installed on the transmission frame, a plurality of evenly distributed clamping grooves are arranged on the adjusting rod, and a clamping column is arranged on the rotating frame and inserted into one of the clamping grooves.

[0004] The pipe bender has some problems in use. The bent pipe is prone to deformation at the bending point, and the deformed position is easily stuck in the pipe bender, so it is difficult to remove the bent pipe. Utility model content

[0005] The utility model aims at providing a pipe bender to solve the problem of the bent pipe being prone to deformation at the bending point, and the deformed position being easily stuck in the pipe bender, so it is difficult to remove the bent pipe.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A pipe bender comprises an operating table, a fixed mold arranged on the top of the operating table, a bending mold arranged on the top of the operating table and located on one side of the fixed mold, a rotating assembly arranged on the bottom of the operating table for rotating the bending mold, a square hole arranged on the bottom of the fixed mold, a pushing assembly arranged in the inner cavity of the square hole for pushing the pipe outward, and a control assembly arranged on one side of the operating table for controlling the pushing assembly and the rotating assembly.

[0008] The pushing assembly comprises a fixed plate fixedly installed at the top of the operation table and located at one side of the fixed die, one side of the fixed plate is fixedly connected with a first electric push rod, the telescopic end of the first electric push rod is fixedly connected with a fixed block, the fixed block is slidingly inserted into the inner cavity of the square hole, the surface of the fixed block is fixedly connected with a rubber block, and the outer end of the rubber block is provided with an arc-shaped notch.

[0009] Preferably, the rotating assembly comprises an arc-shaped hole formed in the surface of the operation table and located at one side of the fixed die, the bottom of the operation table and the position corresponding to the fixed die are fixedly connected with a servo motor, the output shaft of the servo motor is fixedly connected with a connecting arm, one end of the connecting arm is upwardly meandering and located in the inner cavity of the arc-shaped hole, and the end of the connecting arm is fixedly connected to the bottom surface of the bending die.

[0010] Preferably, the bottom of the fixed die and the bottom of the bending die are fixedly connected with a plurality of groups of positioning blocks, the top of the connecting arm and the positions corresponding to the positioning blocks are all provided with positioning grooves, the top of the fixed die and the top of the bending die and the positions corresponding to the positioning blocks are all provided with bolts, and one end of the plurality of groups of bolts respectively penetrates the corresponding position positioning block and is threadedly connected to the bottom inner wall of the corresponding position positioning groove.

[0011] Preferably, the top of the operation table and the position corresponding to the bending groove of the fixed die are fixedly connected with a rubber plate, an arc-shaped pressing plate is arranged above the rubber plate, the bottom of the arc-shaped pressing plate is fixedly connected with a connecting rod, two groups of connecting rods are slidingly penetrated through the surface of the corresponding side rubber plate and the operation table and are fixedly connected with a connecting plate, the bottom of the operation table and the position corresponding to the connecting plate are fixedly installed with a second electric push rod, and the telescopic end of the second electric push rod is fixedly connected to the surface of the connecting plate.

[0012] Preferably, the control assembly comprises a DSP controller fixedly installed at one side of the operation table, the first electric push rod, the second electric push rod and the servo motor are all controlled by the DSP controller, one side of the operation table is fixedly installed with an operation screen, and the signal output end of the operation screen is electrically connected to the signal input end of the DSP controller through wires.

[0013] Preferably, the two sides of the connecting arm are fixedly connected with reinforcing ribs.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、Through the setting of the pushing assembly, the telescopic end of the first electric push rod is stretched along the square hole, the pipe material after bending is automatically pushed out, the pipe material is conveniently pushed out from the fixed die, the pipe material after bending is conveniently taken out, and the working efficiency is greatly improved.

[0016] 2. The utility model discloses a positioning block and bolt are set up, and the cooperation of positioning block and positioning groove ensures that the installation position of fixed mode and bending mode is accurate, improves bending accuracy, and the bolt connection mode is simple and reliable, convenient to dismount and replace mould, improves the versatility of equipment.

[0017] 3. The utility model discloses a arc pressboard and connecting rod's setting, and arc pressboard can be in the bending process to the pipe material and press tightly, prevent the pipe material and slip when bending, improve bending accuracy, and connecting rod and connecting plate ensure that the movement direction of arc pressboard is accurate, guarantee the effect of pressing tightly, and second electric push rod provides stable pressure, can adjust pressure size according to the demand of different pipe material. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the structure schematic drawing of a pipe bender of the utility model;

[0019] Fig. 2 It is the structure schematic drawing of another angle of the utility model;

[0020] Fig. 3 It is the structure schematic drawing of positioning block of the utility model.

[0021] In the drawing: 100, operation platform;101, arc hole;102, fixed mode;103, bending mode;104, first electric push rod;105, fixed plate;106, servo motor;107, reinforcing rib;108, square hole;109, rubber block;110, fixed block;111, connecting arm;200, DSP controller;201, operation screen;301, arc pressboard;302, rubber plate;303, second electric push rod;304, connecting rod;305, connecting plate;400, positioning block;401, positioning groove;402, bolt. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figs. 1-3The embodiment provides a pipe bending machine, which comprises an operation table 100, a fixed die 102 arranged on the top of the operation table 100, a bending die 103 arranged on the top of the operation table 100 and located at one side of the fixed die 102, a rotating assembly arranged at the bottom of the operation table 100 and used for rotating the bending die 103, a square hole 108 formed in the bottom of the fixed die 102, a pushing assembly arranged in the inner cavity of the square hole 108 and used for pushing a pipe outward, and a control assembly arranged at one side of the operation table 100 and used for controlling the pushing assembly and the rotating assembly.

[0024] The pushing assembly comprises a fixed plate 105 fixedly arranged on the top of the operation table 100 and located at one side of the fixed die 102, a first electric push rod 104 fixedly connected to one side of the fixed plate 105, a fixed block 110 fixedly connected to the telescopic end of the first electric push rod 104, the fixed block 110 being slidably inserted into the inner cavity of the square hole 108, a rubber block 109 fixedly connected to the surface of the fixed block 110, and an arc-shaped notch formed in the outer end of the rubber block 109. Through the arrangement of the pushing assembly, the telescopic end of the first electric push rod 104 is extended along the square hole 108, and the pipe after bending is automatically pushed outward, so that the pipe can be pushed out of the fixed die 102 and the bent pipe can be conveniently taken out, and the working efficiency is greatly improved.

[0025] Further, the rotating assembly comprises an arc-shaped hole 101 formed in the surface of the operation table 100 and located at one side of the fixed die 102, a servo motor 106 fixedly connected to the bottom of the operation table 100 and corresponding to the fixed die 102, a connecting arm 111 fixedly connected to the output shaft of the servo motor 106, and the connecting arm 111 being upwardly serpentine and located in the inner cavity of the arc-shaped hole 101, and the connecting arm 111 being fixedly connected to the bottom surface of the bending die 103. Through the arrangement of the rotating assembly, the arc-shaped hole 101 provides space for the rotation of the connecting arm 111, the bending die 103 can be smoothly rotated to the required angle, the servo motor 106 has high-precision control performance and can accurately control the rotation angle of the bending die 103, the bending precision is improved, the connecting arm 111 transmits the power of the servo motor 106 to the bending die 103, and the structure is simple and reliable.

[0026] Further, the bottom of the fixed mold 102 and the bending mold 103 is fixedly connected with a plurality of groups of positioning blocks 400, the top of the connecting arm 111 and the operating table 100 and the positions corresponding to the positioning blocks 400 are provided with positioning grooves 401, the top of the fixed mold 102 and the bending mold 103 and the positions corresponding to the positioning blocks 400 are inserted with bolts 402, one end of the plurality of groups of bolts 402 respectively penetrates the corresponding position positioning block 400 and is threadedly connected to the bottom inner wall of the corresponding position positioning groove 401, through the setting of the positioning block 400 and the bolt 402, the cooperation of the positioning block 400 and the positioning groove 401 ensures that the installation position of the fixed mold 102 and the bending mold 103 is accurate, improves the bending precision, and the bolt 402 connection mode is simple and reliable, convenient for disassembly and replacement of the mold, improves the versatility of the equipment.

[0027] Preferably, the top of the operating table 100 and the positions corresponding to the bending groove of the fixed mold 102 are fixedly connected with rubber plates 302, the upper side of the rubber plate 302 is provided with an arc-shaped pressing plate 301, the bottom of the two sides of the arc-shaped pressing plate 301 is fixedly connected with connecting rods 304, the two groups of connecting rods 304 respectively slide through the surface of the corresponding side rubber plate 302 and the operating table 100 and are fixedly connected with connecting plates 305, the bottom of the operating table 100 and the positions corresponding to the connecting plates 305 are fixedly installed with second electric push rods 303, the extension end of the second electric push rod 303 is fixedly connected to the surface of the connecting plate 305, through the setting of the arc-shaped pressing plate 301 and the connecting rod 304, the arc-shaped pressing plate 301 can press the pipe tightly during the bending process, prevent the pipe from sliding during the bending, improve the bending precision, and the connecting rod 304 and the connecting plate 305 ensure that the movement direction of the arc-shaped pressing plate 301 is accurate, guarantee the pressing effect, and the second electric push rod 303 provides stable pressure, which can adjust the pressure according to the needs of different pipes.

[0028] It is worth mentioning that the control assembly comprises a DSP controller 200 fixedly installed on one side of the operating table 100, the first electric push rod 104, the second electric push rod 303 and the servo motor 106 are all controlled by the DSP controller 200, an operation screen 201 is fixedly installed on one side of the operating table 100, and the signal output end of the operation screen 201 is electrically connected to the signal input end of the DSP controller 200 through wires, through the setting of the DSP controller 200 and the operation screen 201, the DSP controller has strong computing power and accurate control performance, can realize accurate control of each component, and the operation screen 201 is convenient for the operator to input instructions and monitor the running state of the equipment, improves the operation convenience and visualization degree of the equipment.

[0029] Preferably, the two sides of the connecting arm 111 are fixedly connected with reinforcing ribs 107, through the setting of the reinforcing ribs 107, the strength of the connecting arm 111 is improved, so as to bear greater force.

[0030] Working principle

[0031] Firstly, the pipe to be processed is taken out, then passes through the middle of the rubber plate 302 and the arc-shaped pressing plate 301, and is inserted between the fixed die 102 and the bending die 103, then the angle of rotation of the servo motor 106 and the working stroke of the telescopic end of the second electric push rod 303 are adjusted through the operation screen 201, so that the pipe is bent to the required angle, then the DSP controller 200 controls the second electric push rod 303 to extend downward, so as to drive the arc-shaped pressing plate 301 to move downward through the connecting rod 304, and the pipe is pressed and fixed, then the DSP controller 200 controls the servo motor 106 to rotate according to the set angle, so as to drive the bending die 103 to rotate along the arc-shaped hole 101 through the connecting arm 111, and the pipe is bent, when the pipe is bent, the DSP controller 200 controls the servo motor 106 and the second electric push rod 303 to reset, then the DSP controller 200 controls the telescopic end of the first electric push rod 104 to extend along the square hole 108, and the bent pipe is automatically pushed out, which is very convenient and fast.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pipe bender characterized by comprising: The utility model provides an operating platform (100) is provided with fixed mould (102) on the top, and the top of operating platform (100) and the one side of fixed mould (102) are provided with bending mould (103), the bottom of operating platform (100) is provided with rotating assembly for rotating bending mould (103), the bottom of fixed mould (102) is provided with square hole (108), the inner chamber of square hole (108) is provided with push assembly for pushing pipe material outward, and the side of operating platform (100) is provided with control assembly for controlling push assembly and rotating assembly, The push assembly includes a fixed plate (105) fixedly installed on the top of the operating platform (100) and located on one side of the fixed mold (102), a first electric push rod (104) fixedly connected to one side of the fixed plate (105), a fixed block (110) fixedly connected to the extension end of the first electric push rod (104), the fixed block (110) slidingly inserted into the inner cavity of the square hole (108), and a rubber block (109) fixedly connected to the surface of the fixed block (110), wherein one end of the rubber block (109) located on the outer side is provided with an arc-shaped notch.

2. A pipe bender according to claim 1, wherein; The rotating assembly includes an arc-shaped hole (101) formed on the surface of the operating platform (100) and located on one side of the fixed mold (102), a servo motor (106) fixedly connected to the bottom of the operating platform (100) and corresponding to the fixed mold (102), a connecting arm (111) fixedly connected to the output shaft of the servo motor (106), and the connecting arm (111) winding upward at one end and located in the inner cavity of the arc-shaped hole (101), and the connecting arm (111) is fixedly connected to the bottom surface of the bending mold (103) at one end.

3. A tube bender as defined in claim 2, wherein: The bottom of the fixed mold (102) and the bending mold (103) is fixedly connected with a plurality of positioning blocks (400), the top of the connecting arm (111) and the operating platform (100) and the corresponding position of the positioning block (400) are provided with a positioning groove (401), the top of the fixed mold (102) and the bending mold (103) and the corresponding position of the positioning block (400) are inserted with a bolt (402), and one end of a plurality of bolts (402) respectively penetrates the corresponding position of the positioning block (400) and is screwedly connected to the bottom inner wall of the corresponding position of the positioning groove (401).

4. A pipe bender according to claim 3, wherein: The top of the operating platform (100) and the position corresponding to the bending groove of the fixed mold (102) are fixedly connected with a rubber plate (302), the upper side of the rubber plate (302) is provided with an arc-shaped pressing plate (301), the bottom of the arc-shaped pressing plate (301) on the two sides is fixedly connected with a connecting rod (304), two groups of connecting rods (304) are respectively slidably penetrated through the surface of the corresponding side rubber plate (302) and the operating platform (100) and are fixedly connected with a connecting plate (305), the bottom of the operating platform (100) and the position corresponding to the connecting plate (305) are fixedly installed with a second electric push rod (303), and the telescopic end of the second electric push rod (303) is fixedly connected to the surface of the connecting plate (305).

5. A tube bender as defined in claim 4 wherein: The control assembly comprises a DSP controller (200) fixedly installed on one side of the operating platform (100), the first electric push rod (104), the second electric push rod (303) and the servo motor (106) are all controlled by the DSP controller (200), and one side of the operating platform (100) is fixedly installed with an operation screen (201), and the signal output end of the operation screen (201) is electrically connected to the signal input end of the DSP controller (200) through wires.

6. A pipe bending machine according to any one of claims 2 to 5, wherein: The two sides of the connecting arm (111) are fixedly connected with reinforcing ribs (107).

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