CN213998532U - Simple hydraulic pipe bender - Google Patents

Abstract

The utility model provides a simple and easy hydraulic pressure bending machine belongs to metalworking technical field for solve the problem that traditional return bend technique process speed is slow, the precision is low and can not process in batches. The bending machine comprises a table component, a bent pipe component and a blanking box, wherein the table component comprises a table plate, a positioning component is arranged at the upper end of the table plate, a cutting component is arranged at the lower end of the table plate, a plurality of supporting legs are fixed at the lower end of the table plate, a first cylinder seat and a second cylinder seat are sequentially fixed on the right side of the upper end of the table plate, a first reinforcing plate and a second reinforcing plate are fixed on the left side of the upper end of the table plate, the bent pipe component comprises a mounting seat and a hydraulic cylinder, an extension pipe is fixed at the end part of a movable rod of the hydraulic cylinder, a bent pipe head is fixed at the end part of the extension pipe, a blanking hole is formed in the table plate, the cutting component comprises a wheel saw, and the wheel saw is positioned in the blanking hole; the utility model discloses the structure is simple and easy with low costs, but single-operator carries out quick return bend processing, is fit for processing in batches, satisfies different model pipe fitting processing requirements, conveniently collects the pipe fitting, saves the collecting time, and work efficiency is high.

Description

Simple hydraulic pipe bender

Technical Field

The utility model belongs to the technical field of the metalworking, especially a simple and easy hydraulic pipe bending machine.

Background

The pipe bending is generally a processing technology for bending a metal pipe into a required shape, and is widely applied to traditional pipe bending in production at present, the traditional pipe bending adopts flame bending, the pipe bending is carried out by utilizing flame, two persons are required to cooperate, the bending of an overlong circular pipe cannot be realized, and the defects of poor appearance forming, low production speed, low efficiency, low processing precision, unsuitability for large-scale batch production modes of current factories and the like are caused;

the device capable of bending pipes is called a pipe bending machine, the existing pipe bending machine is generally a large-scale precise instrument, has a complex structure and relatively high manufacturing cost, is not suitable for mass production in factories, and a single pipe bending machine can only be used for machining pipe fittings with single size and model, so that the application range is narrow;

therefore, a simple hydraulic pipe bender which is fast in processing, wide in application range and suitable for batch production is specially provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a simple and easy hydraulic pipe bending machine, the technical problem that the device will solve is: how to improve the processing speed of high-precision bent pipes through the structure of a pipe bending machine so as to adapt to batch processing.

The purpose of the utility model can be realized by the following technical proposal:

a simple hydraulic pipe bender comprises a table component, a pipe bending component and a blanking box, wherein the table component comprises a table plate, a positioning component is arranged at the upper end of the table plate, a cutting component is arranged at the lower end of the table plate, the blanking box is positioned inside the table component, a plurality of supporting legs are fixed at the lower end of the table plate, a first cylinder seat and a second cylinder seat are sequentially fixed at the right side of the upper end of the table plate, two symmetrical first reinforcing plates and two symmetrical second reinforcing plates are fixed at the left side of the upper end of the table plate, the two reinforcing plates are positioned between the two first reinforcing plates, the pipe bending component comprises a mounting seat and a hydraulic cylinder, the mounting seat is fixed at the upper end of the table plate and is positioned at the side end of the first cylinder seat, the hydraulic cylinder is arranged on the first cylinder seat and the second cylinder seat, the hydraulic cylinder is fixed on the mounting seat, an extension pipe is detachably fixed at the end part of a movable rod of the hydraulic cylinder, a pipe bending head is detachably fixed at the end part of the extension pipe, a blanking hole is formed in the table plate, and is positioned between the first reinforcing plate and the bending head, the positioning assembly comprises two first positioning seats and two second positioning seats, the two first positioning seats are respectively arranged on the first reinforcing plates in corresponding positions in a sliding mode, the second positioning seats are arranged on the second reinforcing plates in a sliding mode, the cutting assembly comprises a wheel saw, and the wheel saw is located inside the blanking hole during cutting.

The utility model discloses a theory of operation is: the user connects external power source and outside hydro-cylinder with this device, according to waiting to process the pipe fitting size and shape and select the corner that corresponds, positioning seat one, positioning seat and extension pipe, the position of adjustment positioning seat one and positioning seat, will wait to process the pipe fitting and place on positioning seat one, start the pneumatic cylinder, the fixed pneumatic cylinder of mount pad, the pneumatic cylinder will infer the transmission to extension pipe through the movable rod, the extension pipe promotes the corner and presses down pipe fitting to positioning seat two, accomplish the return bend, user control pneumatic cylinder, the pneumatic cylinder movable rod drives extension pipe and corner and resets, user control cutting assembly cutting pipe fitting, the wheel saw rotates the cutting return bend, the return bend falls into the workbin through the unloading hole, accomplish the unloading.

Grooves which are the same as the external size of the hydraulic cylinder are formed in the cylinder base I and the cylinder base II respectively, long grooves are formed in the reinforcing plate I and the reinforcing plate II, square-head bolts are arranged in the long grooves in a sliding mode and penetrate through the positioning seat I and the positioning seat II in corresponding positions, nuts are connected to the square-head bolts in a threaded mode, and through holes are formed in the lower ends of the supporting legs.

By adopting the structure, the hydraulic cylinder is stably placed on the first cylinder base and the second cylinder base, the first cylinder base, the second cylinder base and the mounting base are matched to limit the degree of freedom of the hydraulic cylinder in the horizontal direction, the hydraulic cylinder is ensured to work stably outwards, the working stability of the bent pipe is improved, when the positioning base and the positioning base are not fixed, the first positioning base and the second positioning base respectively slide in the long grooves in corresponding positions through square-head bolts, the positions are adjusted according to the sizes of pipe fittings, and the supporting legs are connected with the ground through bolts.

The cutting assembly further comprises a first revolute pair, the first revolute pair is fixed at the lower end of the bedplate, one end of the revolute pair rotates to be provided with a second revolute pair, two ends of the revolute pair are fixed with a square pipe, a wheel saw seat is detachably fixed on the square pipe, a wheel saw motor is fixed on the side end of the wheel saw seat, an output shaft of the wheel saw motor penetrates through the inside of the wheel saw seat, the wheel saw is detachably fixed on the output shaft, the end of the square pipe is fixed with an operating handle, a switch is arranged on the operating handle, the wheel saw motor is electrically connected with the switch, a hook is fixed at the bottom.

Structure more than adopting, revolute pair one provides the horizontal direction degree of freedom, and revolute pair two provides vertical direction degree of freedom, and the handheld operating handle of user passes through square pipe adjustment wheel saw seat position, and the lock switch is detained, and the wheel saw motor drives the wheel saw and rotates, upwards lifts operating handle, and the wheel saw passes down feed hole cutting pipe fitting, and cutting assembly is accomodate in the couple carry, prevents that the device accident is impaired.

The blanking box comprises a box body, a handle is fixed at the front end of the box body, a plurality of universal wheels are fixed at the lower end of the box body, the box body is located below the blanking hole when the elbow is received, and the external size of the blanking box is smaller than the internal size of the table component.

Structure more than adopting, the return bend after processing is accomodate to the box, and the universal wheel drives the workbin and removes, and the user passes through handle control moving direction, and the handheld handle of user removes the workbin and goes out table subassembly after the unloading is accomplished.

The U-shaped groove the same as the pipe fitting model is formed in the first positioning seat, the arc-shaped groove the same as the radian and the shape of the pipe fitting is formed in the second positioning seat, vulcanized butyl rubber layers are arranged in the U-shaped groove and the arc-shaped groove, rotating shafts on the first revolute pair and the second revolute pair all adopt resistance rotating shafts, and the square pipe is made of aluminum alloy.

Structure more than adopting, the pipe fitting is pressed to positioning seat one and positioning seat two inside by the corner, and the vulcanization butyl rubber layer separates pipe fitting and locating component, makes things convenient for the return bend to accomplish the back unloading, and the resistance pivot provides the resistance to revolute pair one and revolute pair two, guarantees that the cutting assembly adjustment in-process moves stably, improves the cutting fineness.

Compared with the prior art, the simple hydraulic pipe bender has the following advantages:

1. through return bend subassembly, locating component and cutting assembly cooperation, the structure is simple and easy, and is with low costs, can realize one-man operation return bend, unloading, carries out high accuracy processing fast, is fit for batch production processing.

2. The extension pipe, the pipe bending head and the positioning assembly are replaced by different sizes and models, the machining requirements of pipe fittings of different sizes and models are met, and the application range is wide.

3. Through the table subassembly, cutting assembly and feed box cooperation conveniently collect the pipe fitting after the processing, save and collect the unloading time, work efficiency is high.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic perspective view of the cutting assembly of the present invention;

in the figure: 1-table component, 101-bedplate, 102-cylinder seat I, 103-blanking hole, 104-hook, 105-reinforcing plate I, 106-supporting leg, 107-cylinder seat II, 108-reinforcing plate II, 2-bent pipe component, 201-mounting seat, 202-hydraulic cylinder, 203-extension pipe, 204-bent pipe head, 3-positioning component, 301-positioning seat I, 302-positioning seat II, 4-cutting component, 401-revolute pair I, 402-revolute pair II, 403-square pipe, 404-wheel saw seat, 405-wheel saw motor, 406-wheel saw, 407-operating handle, 5-blanking box, 501-universal wheel, 502-box body and 503-handle.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, the present embodiment provides a simple hydraulic pipe bender, which includes a table assembly 1, a pipe bending assembly 2, and a blanking box 5, wherein the table assembly 1 includes a platen 101, a positioning assembly 3 is disposed at an upper end of the platen 101, a cutting assembly 4 is disposed at a lower end of the platen 101, the blanking box 5 is disposed inside the table assembly 1, a plurality of legs 106 are fixed at a lower end of the platen 101, a first cylinder base 102 and a second cylinder base 107 are sequentially fixed at a right side of the upper end of the platen 101, two symmetrical first reinforcing plates 105 and a second reinforcing plate 108 are fixed at a left side of the upper end of the platen 101, the second reinforcing plate 108 is located between the first reinforcing plates 105, the pipe bending assembly 2 includes a mounting seat 201 and a hydraulic cylinder 202, in the present embodiment, the hydraulic cylinder 202 is a prior art product and can be purchased and used directly on the market, the prior mounting seat 201 is fixed at an upper end of the platen 101, in the present embodiment, the above fixing manners are all welding, the mounting base 201 is located at the side end of the first cylinder base 102, the hydraulic cylinder 202 is arranged on the first cylinder base 102 and the second cylinder base 107, the hydraulic cylinder 202 is fixed on the mounting base 201, in the embodiment, the fixing mode is flange connection, the end part of the movable rod of the hydraulic cylinder 202 is detachably fixed with an extension pipe 203, the end part of the extension pipe 203 is detachably fixed with a corner 204, in the embodiment, the fixing mode is bolt connection, the bedplate 101 is provided with a blanking hole 103, the blanking hole 103 is located between the first reinforcing plate 105 and the corner 204, the positioning assembly 3 is composed of two first positioning bases 301 and two second positioning bases 302, the two first positioning bases 301 are respectively arranged on the first reinforcing plate 105 in corresponding positions in a sliding mode, the second positioning bases 302 are arranged on the second reinforcing plate 108 in a sliding mode, the cutting assembly 4 comprises a wheel saw 406, and during cutting, the wheel saw 406 is located inside the blanking hole 103;

the user connects this device external power source and outside hydro-cylinder, according to waiting to process pipe fitting size and shape selection corresponding corner 204, positioning seat 301, positioning seat 302 and extension pipe 203, adjust the position of positioning seat 301 and positioning seat 302, will wait to process the pipe fitting and place on positioning seat 301, start pneumatic cylinder 202, mount pad 201 fixes pneumatic cylinder 202, pneumatic cylinder 202 will infer and transmit to extension pipe 203 through the movable rod, extension pipe 203 promotes corner 204 and presses pipe fitting to positioning seat two 302, accomplish the return bend, user control pneumatic cylinder 202, the pneumatic cylinder movable rod drives extension pipe 203 and corner 204 and resets, user control cutting assembly 4 cuts the pipe fitting, wheel saw 406 rotates the cutting return bend, the return bend falls into blanking box 5 through blanking hole 103, accomplish the unloading.

Grooves with the same external size as that of the hydraulic cylinder 202 are respectively formed in the first cylinder base 102 and the second cylinder base 107, long grooves are formed in the first reinforcing plate 105 and the second reinforcing plate 108, square-head bolts are slidably arranged in the long grooves and penetrate through the first positioning seat 301 and the second positioning seat 302 in corresponding positions, nuts are screwed on the square-head bolts, and through holes are formed in the lower ends of the supporting legs 106;

the hydraulic cylinder 202 is stably placed on the first cylinder base 102 and the second cylinder base 107, the first cylinder base 102, the second cylinder base 107 and the mounting base 201 are matched to limit the degree of freedom of the hydraulic cylinder 202 in the horizontal direction, the hydraulic cylinder 202 is guaranteed to work stably outwards, the working stability of the bent pipe is improved, when the bent pipe is not fixed, the first positioning base 301 and the second positioning base 302 respectively slide in long grooves in corresponding positions through square-head bolts, the positions are adjusted according to the size of the pipe fitting, and the supporting legs 106 are connected with the ground through bolts.

The cutting assembly 4 further comprises a first rotating pair 401, the first rotating pair 401 is fixed at the lower end of the platen 101, a second rotating pair 402 is rotatably arranged at the end of the first rotating pair 401, in this embodiment, the first rotating pair 401 and the second rotating pair 402 are prior art products and can be directly purchased and used in the market, a square pipe 403 is fixed at the end of the first rotating pair 402, a wheel saw seat 404 is detachably fixed on the square pipe 403, a wheel saw motor 405 is fixed at the side end of the wheel saw seat 404, in this embodiment, the fixing manners are bolt connection, the wheel saw motor 405 is a prior art product and can be directly purchased and used in the market, the output shaft of the wheel saw motor 405 penetrates through the interior of the wheel saw seat 404, the wheel saw 406 is detachably fixed on the output shaft, in this embodiment, the fixing manners are flange connection, an operating handle 407 is fixed at the end of the square pipe 403, in this embodiment, the fixing manners are bolt connection, the operating handle 407 is provided with a switch, the wheel saw motor 405 is electrically connected with the switch, the bottom end of the bedplate 101 is fixed with the hook 104, in the embodiment, the fixing mode is welding, and the square pipe 403 is placed on the hook 104;

the first revolute pair 401 provides the degree of freedom in the horizontal direction, the second revolute pair 402 provides the degree of freedom in the vertical direction, a user holds the operating handle 407 by hand to adjust the position of the wheel saw seat 404 through the square tube 403, the switch is buckled, the wheel saw motor 405 drives the wheel saw 406 to rotate, the operating handle 407 is lifted upwards, the wheel saw 406 penetrates through the blanking hole 103 to cut a pipe fitting, the hook 104 is hung and carried to store the cutting assembly 4, and the device is prevented from being damaged accidentally.

The blanking box 5 comprises a box body 502, a handle 503 is fixed at the front end of the box body 502, a plurality of universal wheels 501 are fixed at the lower end of the box body 502, in the embodiment, the fixing modes are welding, when a bent pipe is received, the box body 502 is positioned below the blanking hole 103, and the external size of the blanking box 5 is smaller than the internal size of the table assembly 1;

the return bend after processing is accomodate to box 502, and universal wheel 501 drives workbin 5 and removes, and the user passes through handle 503 control moving direction, and the handheld handle 503 of user removes workbin 5 out table subassembly 1 after the unloading is accomplished.

A U-shaped groove with the same model as that of the pipe fitting is formed in the first positioning seat 301, an arc-shaped groove with the same radian and shape as that of the pipe corner 204 is formed in the second positioning seat 302, vulcanized butyl rubber layers are arranged in the U-shaped groove and the arc-shaped groove, rotating shafts on the first revolute pair 401 and the second revolute pair 402 are resistance rotating shafts, and the square pipe 403 is made of aluminum alloy;

the pipe fitting is pressed to inside first 301 and the second 302 positioning seats by corner 204, and the vulcanized butyl rubber layer separates pipe fitting and locating component 3, makes things convenient for the return bend to accomplish the back unloading, and the resistance pivot provides the resistance to revolute pair one 401 and revolute pair two 402, guarantees that cutting component 4 adjustment in-process moves stably, improves the cutting fineness.

The utility model discloses a theory of operation:

the user connects the hydraulic cylinder 202 with an external oil cylinder, connects the wheel saw motor 405 with an external power supply, selects the corresponding corner 204, the first positioning seat 301, the first positioning seat 302 and the extension pipe 203 according to the size and shape of the pipe to be processed, adjusts the positions of the first positioning seat 301 and the first positioning seat 302, places the pipe to be processed on the first positioning seat 301, starts the hydraulic cylinder 202, the mounting seat 201 fixes the hydraulic cylinder 202, the first cylinder seat 102, the second cylinder seat 107 and the mounting seat 201 are matched to limit the freedom degree of the hydraulic cylinder 202 in the horizontal direction, so as to ensure that the hydraulic cylinder 202 works stably externally, the hydraulic cylinder 202 transmits reasoning to the extension pipe 203 through the movable rod, the extension pipe 203 pushes the corner 204 to press the pipe to the second positioning seat 302, so as to finish pipe bending, the user controls the hydraulic cylinder 202, the movable rod of the hydraulic cylinder drives the extension pipe 203 and the corner 204 to reset, the user controls the cutting assembly 4 to cut the pipe, the first revolute pair 401 provides the freedom degree in the horizontal direction, the second revolute pair 402 provides vertical freedom, a user holds the operating handle 407 by hand to adjust the position of the wheel saw seat 404 through the square tube 403, the switch is buckled, the wheel saw motor 405 drives the wheel saw 406 to rotate, the operating handle 407 is lifted upwards, the wheel saw 406 penetrates through the blanking hole 103 to cut the pipe fitting, the bent pipe falls into the blanking box 5 through the blanking hole 103 to the greatest extent, blanking is completed, the hook 104 is hung and loaded to accommodate the cutting assembly 4, and the device is prevented from being damaged accidentally.

In conclusion, the pipe bending component 2, the positioning component 3 and the cutting component 4 are matched, so that the pipe bending machine is simple in structure and low in cost, pipe bending and blanking can be operated by one person, high-precision machining can be rapidly carried out, and the pipe bending machine is suitable for batch production and machining; the extension pipe 203, the pipe bending head 204 and the positioning component 3 are replaced by different sizes and models, so that the processing requirements of pipe fittings with different sizes and models are met, and the application range is wide; through table subassembly 1, cutting assembly 4 and the cooperation of workbin 5 conveniently collect the pipe fitting after the processing, save and collect the unloading time, work efficiency is high.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (5)

1. A simple hydraulic pipe bender comprises a table assembly (1), a pipe bending assembly (2) and a blanking box (5), and is characterized in that the table assembly (1) comprises a platen (101), a positioning assembly (3) is arranged at the upper end of the platen (101), a cutting assembly (4) is arranged at the lower end of the platen (101), the blanking box (5) is located inside the table assembly (1), a plurality of supporting legs (106) are fixed at the lower end of the platen (101), a first cylinder base (102) and a second cylinder base (107) are sequentially fixed on the right side of the upper end of the platen (101), two symmetrical first reinforcing plates (105) and two symmetrical second reinforcing plates (108) are fixed on the left side of the upper end of the platen (101), the second reinforcing plates (108) are located between the first reinforcing plates (105), the pipe bending assembly (2) comprises a mounting seat (201) and a hydraulic cylinder (202), the mounting seat (201) is fixed at the upper end of the platen (101), and the mounting seat (201) is located at the side end of the first cylinder base (102), the hydraulic cylinder (202) is arranged on a cylinder base I (102) and a cylinder base II (107), the hydraulic cylinder (202) is fixed on a mounting base (201), an extension pipe (203) is detachably fixed at the end part of a movable rod of the hydraulic cylinder (202), a pipe bending head (204) is detachably fixed at the end part of the extension pipe (203), a blanking hole (103) is formed in a bedplate (101), the blanking hole (103) is located between a reinforcing plate I (105) and the pipe bending head (204), the positioning assembly (3) is composed of two positioning bases I (301) and two positioning bases II (302), the two positioning bases I (301) are respectively arranged on the reinforcing plate I (105) in a sliding mode in corresponding positions, the positioning bases II (302) are arranged on the reinforcing plate II (108) in a sliding mode, the cutting assembly (4) comprises a wheel saw (406), and during cutting, the wheel saw (406) is located inside the blanking hole (103).

2. The simple hydraulic pipe bender according to claim 1, wherein the first cylinder base (102) and the second cylinder base (107) are respectively provided with a groove having the same outer dimension as the hydraulic cylinder (202), the first reinforcing plate (105) and the second reinforcing plate (108) are both provided with an elongated groove, the elongated grooves are both slidably provided with a square head bolt, the square head bolt passes through the first positioning seat (301) and the second positioning seat (302) at corresponding positions, the square head bolt is screwed with a nut, and the lower end of the support leg (106) is provided with a through hole.

3. The simple hydraulic pipe bender according to claim 2, wherein the cutting assembly (4) further comprises a first revolute pair (401), the first revolute pair (401) is fixed at the lower end of the platen (101), a second revolute pair (402) is rotatably arranged at the end of the first revolute pair (401), a square pipe (403) is fixed at the end of the second revolute pair (402), a wheel saw base (404) is detachably fixed on the square pipe (403), a wheel saw motor (405) is fixed at the side end of the wheel saw base (404), an output shaft of the wheel saw motor (405) penetrates through the interior of the wheel saw base (404), a wheel saw (406) is detachably fixed on the output shaft, an operating handle (407) is fixed at the end of the square pipe (403), a switch is arranged on the operating handle (407), the wheel saw motor (405) is electrically connected with the switch, a hook (104) is fixed at the bottom end of the platen (101), and the square pipe (403) is placed on the hook (104).

4. The simple hydraulic pipe bender according to claim 3, wherein the blanking box (5) comprises a box body (502), a handle (503) is fixed at the front end of the box body (502), a plurality of universal wheels (501) are fixed at the lower end of the box body (502), when a bent pipe is received, the box body (502) is located below the blanking hole (103), and the external dimension of the blanking box (5) is smaller than the internal dimension of the table assembly (1).

5. The simple hydraulic pipe bender according to claim 3 or 4, wherein a U-shaped groove with the same model as the pipe fitting is formed inside the first positioning seat (301), an arc-shaped groove with the same radian and shape as the pipe bending head (204) is formed inside the second positioning seat (302), the U-shaped groove and the arc-shaped groove are both provided with vulcanized butyl rubber layers, the rotating shafts on the first revolute pair (401) and the second revolute pair (402) are both resistance rotating shafts, and the square pipe (403) is made of aluminum alloy.

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