CN210475286U

CN210475286U - Single-head pipe bender

Info

Publication number: CN210475286U
Application number: CN201921347062.4U
Authority: CN
Inventors: 居志明
Original assignee: Nanjing Prendi Machinery Co Ltd
Current assignee: Nanjing Prendi Machinery Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-05-08
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a single-end bending machine uses in tubular product processing field, and its technical scheme main points are: the bending machine comprises a bending machine frame, wherein a chute is formed in the bending machine frame along the length direction, a sliding block is connected in the chute in a sliding manner, a first air cylinder is arranged at the position, away from the bending machine frame, of the chute, a material storage cylinder is arranged above the bending machine frame, a material outlet is formed in the bottom of the material storage cylinder, second air cylinders are arranged on two sides of the material outlet along the length direction, clamping plates are arranged on piston rods of the two second air cylinders, material blocking plates are arranged on two sides of the sliding block along the length direction, a material pushing plate connected to the sliding block in a sliding manner is arranged at the position, away from the bending machine frame, of the; has the technical effects that: whole working process convenient and fast has realized the automation, replaces artifical the placing pipe fitting that relapses through the automatic pipe fitting that falls of storage cylinder to alleviate work load, improved work efficiency.

Description

Single-head pipe bender

Technical Field

The utility model relates to a tubular product processing field, in particular to single-end bending machine.

Background

In the machine manufacturing industry, single-head bending machines are widely used to bend pipes to make the pipes have the required shape or to make the pipes connected smoothly.

Chinese patent with publication number CN205309027U discloses a hydraulic single-head pipe bender, which comprises a first frame and a second frame connected to one side of the first frame and vertically disposed with the first frame, the first frame is connected with a plurality of fixing members for fixing a pipeline, the second frame is fixed with a slide rail extending along the length direction of the second frame, the slide rail is connected with a movable frame capable of moving along the length direction of the slide rail, the second frame is fixed with a hydraulic cylinder for pushing the movable frame to move along the length direction of the slide rail, the movable frame is fixed with a pipe bending mechanism, the pipe bending mechanism comprises two cylindrical fixing plates which are vertically distributed, and a pipe bending wheel with four different outer diameters is disposed between the two fixing plates.

The existing single-head pipe bending machine needs to manually fix a pipe fitting on a fixing piece, then bends the pipe fitting through a pipe bending mechanism, after the pipe fitting is bent, an operator needs to take the pipe fitting off the fixing piece, and then places a new pipe fitting again, so that repeated taking and placing operations cause increase of working strength, and the bending efficiency of the pipe fitting is seriously affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a single-end bending machine, its advantage is: whole working process convenient and fast has realized the automation, replaces artifical the placing pipe fitting that relapses through the automatic pipe fitting that falls of storage cylinder to alleviate work load, improved work efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions: a single-head pipe bending machine comprises a bending rack, wherein a chute extending to a bending part of the bending rack is formed in the upper surface of the bending rack along the length direction, a slide block with the upper surface flush with the upper surface of the bending rack is connected in a sliding manner in the chute, a first air cylinder is arranged at one end of the chute away from the bending part of the bending rack, a piston rod of the first air cylinder is fixed on the slide block, a tapered storage barrel used for storing pipe fittings is erected right above the chute of the bending rack, a discharge hole with the size larger than that of the pipe fittings is formed in the bottom of the storage barrel, second air cylinders are arranged on two sides of the discharge hole along the length direction, clamping plates used for clamping the pipe fittings are arranged on piston rods of the two second air cylinders, material blocking plates are arranged on two sides of the slider along the length direction, and a material pushing plate connected to the slide along the length direction on one side of the, one side of the slider, which is far away from the bending part of the bending rack, is also provided with a material pushing cylinder, and a piston rod of the material pushing cylinder is fixed on the material pushing plate.

Through the technical scheme, an operator firstly concentrates and places pipes to be bent in a material storage cylinder, then simultaneously drives two second cylinders, piston rods of the two second cylinders drive two clamping plates to move towards a direction away from each other, at the moment, the pipe placed at the bottommost part of the material storage cylinder falls on a sliding block from a discharge port, at the moment, the operator needs to timely drive the two second cylinders to enable the piston rods of the two second cylinders to push the two clamping plates to move towards each other until the two clamping plates clamp two sides of the pipe to fall behind, so that the pipe to fall behind is limited, at the moment, the operator can drive a first cylinder, the piston rod of the first cylinder pushes the sliding block to move towards the bending part of a bending rack until the sliding block moves to be tightly abutted against the groove wall of a sliding groove, then drives a material pushing cylinder, and pushes a material pushing plate forwards through the piston rod of the material pushing cylinder, therefore, the pipe fitting is pushed to the bending position of the bending machine frame, and then the pipe fitting is bent. Whole working process convenient and fast has realized the automation, replaces artifical the placing pipe fitting that relapses through the automatic pipe fitting that falls of storage cylinder to alleviate work load, improved work efficiency.

The utility model discloses further set up to: two the clamping plate bottom is equipped with the plastic curtain that downwardly extends to two striker plate inner walls respectively.

Through above-mentioned technical scheme, the transparent plastic curtain in both sides plays certain limiting displacement to the whereabouts of pipe fitting to guarantee that the pipe fitting is steady to fall on the slider, reduce the pipe fitting whereabouts in-process position and take place the skew and the possibility that falls out the slider.

The utility model discloses further set up to: and rubber pads are arranged on the surfaces of one sides of the two clamping plates opposite to each other.

Through above-mentioned technical scheme, the rubber pad can increase the frictional force on clamping plate surface to improve the steadiness of two clamping plates to the pipe fitting centre gripping, with the possibility that the pipe fitting landing from between two clamping plates of reduction.

The utility model discloses further set up to: the frame of bending is erect along length direction's one side and is equipped with the slope and upwards just the transport platform of storage feed cylinder top is arranged in at the top, the transport platform rotates along length direction's both ends and is connected with the driving roller, two connect through the belt of tensioning between the driving roller, the one end of driving roller is equipped with drive driving roller pivoted motor, one side that the transport platform deviates from the frame of bending is equipped with puts the material frame, put the material frame and seted up the drain hole towards one side of carrying the platform, the drain hole below is equipped with the deflector that is used for guiding the pipe fitting roll to the belt, belt surface interval is equipped with a plurality of flitches.

Through the technical scheme, operating personnel will wait at first to bend the pipe fitting and fall to putting in the material frame, the pipe fitting will be rolled to the belt through the drain hole in proper order along the deflector this moment, then timely starter motor, it rotates to drive the driving roller through the motor, and then drive the belt of tensioning and rotate, thereby can be with continuous upwards conveying of pipe fitting to the storage cylinder in, this kind of mechanical material loading replaces manual feeding's mode, work load has been alleviateed greatly, the inconvenience brought for work through artifical transport has been avoided. In addition, the material separating plate is arranged for supporting the pipe fittings so as to prevent the pipe fittings from rolling downwards along the belt in the conveying process of the belt.

The utility model discloses further set up to: the conveying table is provided with limiting plates on two sides in the length direction, and a layer of transparent protective plate with the same gradient as the conveying table covers the conveying table.

Through above-mentioned technical scheme, two limiting plates play a limiting displacement to the both sides of carrying the platform, reduce the belt and upwards convey the in-process of pipe fitting, the pipe fitting position takes place the skew and from carrying the possibility of platform both sides landing. In addition, set up transparent guard plate in order to prevent that the flitch upper surface from piling up when having a plurality of pipe fittings, the condition that the pipe fitting rolled down from the flitch takes place to the stability of pipe fitting conveying has been guaranteed.

The utility model discloses further set up to: and limiting wheels are arranged at the bending part of the bending machine frame and on two sides of the sliding groove.

Through the technical scheme, when the pushing cylinder pushes the pipe fitting to the bending position of the bending machine frame, the limiting wheels on the two sides play a role in guiding and limiting the movement of the pipe fitting, so that the possibility of position deviation in the moving process of the pipe fitting is reduced, and the pipe fitting is smoothly pushed to the bending position of the bending machine frame.

The utility model discloses further set up to: and a collecting frame for placing bent pipe fittings is arranged obliquely below the bending part of the bending machine frame.

Through above-mentioned technical scheme, operating personnel can take off the pipe fitting that has bent from the frame of bending, then concentrate and stack in collecting the frame to avoid the pipe fitting to put in disorder, and cause the waste on the working space.

The utility model discloses further set up to: the frame bottom of the collecting frame is S-shaped and provided with three vertical and upward positioning rods.

Through above-mentioned technical scheme, when placing the pipe fitting in collecting the frame, can be so that the pipe fitting is put along the three positioning rod that is the S-shaped to can restrain the position of pipe fitting, in order to guarantee the regularity of pipe fitting piling up in collecting the frame.

To sum up, the utility model discloses following beneficial effect has:

1. the whole working process is convenient and quick, automation is realized, and the automatic falling of the pipe fittings through the material storage barrel replaces manual repeated pipe fittings placement, so that the workload is reduced, and the working efficiency is improved;

2. the plastic curtains with transparent two sides play a certain limiting role in the falling of the pipe fitting, so that the pipe fitting is ensured to stably fall on the sliding block, and the possibility that the pipe fitting falls out of the sliding block due to position deviation in the falling process is reduced;

3. the rubber pad can increase the friction force on the surfaces of the clamping plates, so that the stability of the two clamping plates for clamping the pipe fitting is improved, and the possibility that the pipe fitting slides from the two clamping plates is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic structural diagram for embodying the conveying table in the present embodiment.

Fig. 3 is a schematic structural diagram for embodying the bottom discharge of the storage barrel in the embodiment.

Fig. 4 is a schematic diagram of the internal structure of the collecting frame according to the present embodiment.

Reference numerals: 1. bending the frame; 2. a chute; 3. a slider; 4. a first cylinder; 5. a material storage barrel; 6. a discharge port; 7. a second cylinder; 8. clamping the plate; 9. a striker plate; 10. a material pushing plate; 11. a material pushing cylinder; 12. a plastic curtain; 13. a rubber pad; 14. a conveying table; 15. a driving roller; 16. a belt; 17. a motor; 18. a material placing frame; 19. a discharging port; 20. a guide plate; 21. a material separating plate; 22. a limiting plate; 23. a protection plate; 24. a limiting wheel; 25. a collection frame; 26. a positioning rod; 27. a pipe fitting.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a single-head pipe bending machine is disclosed, as shown in figures 1 and 2, and comprises a bending frame 1, wherein the upper surface of the bending frame 1 is provided with a chute 2 extending to the bending position of the bending frame 1 along the length direction, the chute 2 is internally connected with a slide block 3 (as shown in figure 3) with the upper surface flush with the upper surface of the bending frame 1 in a sliding manner, one end of the chute 2 away from the bending position of the bending frame 1 is provided with a first air cylinder 4, a piston rod of the first air cylinder 4 is fixed on the slide block 3, a conical storage barrel 5 for storing a pipe fitting 27 is erected above the chute 2 of the bending frame 1, one side of the bending frame 1 along the length direction is erected with a conveying table 14 which is inclined upwards and the top of the conveying table is arranged above the storage barrel 5, two ends of the conveying table 14 along the length direction are rotatably connected with driving rollers 15, the two driving rollers 15 are connected through a tensioned belt 16, one end of each driving, a material placing frame 18 is arranged on one side of the conveying platform 14, which is far away from the bending machine frame 1, and a material discharging port 19 is formed on one side, which faces the conveying platform 14, of the material placing frame 18.

As shown in fig. 2, a guide plate 20 for guiding the pipe 27 to roll on the belt 16 is arranged below the discharge port 19, and a plurality of material separating plates 21 are arranged on the surface of the belt 16 at intervals.

As shown in fig. 3, a discharge port 6 (not shown in the figure) with a size larger than that of the pipe 27 is provided at the bottom of the material storage barrel 5, the discharge port 6 is provided with second cylinders 7 along both sides of the length direction, clamping plates 8 for clamping the pipe 27 are provided on piston rods of the two second cylinders 7, rubber pads 13 are provided on a side surface of the two clamping plates 8 opposite to each other, striker plates 9 are provided on both sides of the slider 3 along the length direction, and transparent plastic curtains 12 extending downward to inner walls of the two striker plates 9 are provided at the bottoms of the two clamping plates 8 respectively.

As shown in fig. 1 and 3, a material pushing plate 10 connected to the slider 3 in a sliding manner along the length direction is arranged on one side of the slider 3 away from the bending position of the bending machine frame 1, a material pushing cylinder 11 is further arranged on one side of the slider 3 away from the bending position of the bending machine frame 1, and a piston rod of the material pushing cylinder 11 is fixed on the material pushing plate 10.

Referring to fig. 1 and 2, an operator first pours a pipe 27 to be bent into a material placing frame 18, at this time, the pipe 27 sequentially rolls onto a belt 16 along a guide plate 20 through a discharge port 19, then starts a motor 17 in time, drives a driving roller 15 to rotate through the motor 17, further drives a tensioned belt 16 to rotate, so that the pipe 27 can be continuously conveyed upwards into a material storage barrel 5, then the operator simultaneously drives two second cylinders 7, pulls two clamping plates 8 to move in a direction away from each other through piston rods of the two second cylinders 7, at this time, the pipe 27 placed at the bottommost part of the material storage barrel 5 falls onto a sliding block 3 (as shown in fig. 3) from a discharge port 6 (not shown in the figure), at this time, the operator needs to drive the two second cylinders 7 in time, so that the piston rods of the two second cylinders 7 push the two clamping plates 8 to move towards each other, until the two clamping plates 8 clamp two sides of the pipe 27 which are about to fall down later, thereby restricting the rear pipe member 27 from continuing to fall.

As shown in fig. 1 and fig. 3, at this time, an operator may drive the first cylinder 4, a piston rod of the first cylinder 4 may push the slider 3 to move toward the bending position of the bending frame 1 until the slider 3 moves to abut against a groove wall of the chute 2, and then drive the pushing cylinder 11, and push the pushing plate 10 forward through the piston rod of the pushing cylinder 11, so as to push the pipe 27 to the bending position of the bending frame 1, and then bend the pipe 27. Whole working process convenient and fast has realized the automation, replaces artifical the relapseing pipe fitting 27 of placing through the automatic pipe fitting 27 that falls of storage cylinder 5 to alleviate work load, improved work efficiency.

As shown in fig. 2, the material separating plates 21 are spaced on the surface of the belt 16 to support the pipe 27 so as to prevent the pipe 27 from rolling downward along the belt 16 during the conveying process of the belt 16.

As shown in fig. 3, in addition, the plastic curtains 12 with transparent sides can limit the falling of the pipe 27 to a certain extent, so as to ensure that the pipe 27 falls on the slider 3 stably, and reduce the possibility that the pipe 27 falls off the slider 3 due to position deviation in the falling process; the rubber pads 13 increase the friction on the surface of the clamping plates 8, thereby improving the stability of the clamping of the two clamping plates 8 on the pipe 27 and reducing the possibility of the pipe 27 slipping off between the two clamping plates 8.

As shown in fig. 2, the limiting plates 22 disposed on the two sides of the conveying table 14 along the length direction play a role in limiting the two sides of the conveying table 14, so as to reduce the possibility that the pipe 27 slides off from the two sides of the conveying table 14 due to the position deviation of the pipe 27 in the process that the belt 16 conveys the pipe 27 upwards; in addition, the transparent protection plate 23 which is covered above the conveying table 14 and has the same gradient with the conveying table 14 is used for preventing the pipe 27 from rolling down from the material separating plate 21 when a plurality of pipes 27 are stacked on the upper surface of the material separating plate 21, so that the conveying stability of the pipe 27 is ensured.

As shown in fig. 1, when the pushing cylinder 11 pushes the pipe 27 to the bending part of the bending frame 1, the limiting wheels 24 disposed at the bending part of the bending frame 1 and at the two sides of the chute 2 can guide and limit the movement of the pipe 27, thereby reducing the possibility of position deviation of the pipe 27 during the movement process, and ensuring that the pipe 27 is smoothly pushed to the bending part of the bending frame 1.

As shown in fig. 1 and 4, a collecting frame 25 for placing a bent pipe 27 is arranged obliquely below a bent portion of the bending frame 1, three vertical upward positioning rods 26 are arranged on the bottom of the collecting frame 25 in an S-shape, an operator can take the bent pipe 27 off the bending frame 1 and place the bent pipe in the collecting frame 25 along the three S-shaped positioning rods 26, so that the position of the pipe 27 can be firmly limited, and the alignment of the pipe 27 stacked in the collecting frame 25 can be ensured.

The operation process is as follows: an operator firstly pours a pipe 27 to be bent into the material placing frame 18, at the moment, the pipe 27 sequentially rolls onto the belt 16 along the guide plate 20 through the discharge port 19, then the motor 17 is started in time, the driving roller 15 is driven to rotate through the motor 17, and further the tensioned belt 16 is driven to rotate, so that the pipe 27 can be continuously conveyed upwards into the material storing barrel 5, then the operator simultaneously drives the two second cylinders 7, the two clamping plates 8 are pulled to move towards the directions away from each other through the piston rods of the two second cylinders 7, at the moment, the pipe 27 placed at the bottommost part of the material storing barrel 5 falls onto the sliding block 3 from the discharge port 6, at the moment, the operator needs to timely drive the two second cylinders 7, so that the piston rods of the two second cylinders 7 push the two clamping plates 8 to move oppositely until the two clamping plates 8 clamp two sides of the pipe 27 which are about to fall behind, therefore, the pipe 27 at the back is limited from continuously falling, at the moment, the operator can drive the first cylinder 4, the piston rod of the first cylinder 4 pushes the sliding block 3 to move towards the bending position of the bending rack 1 until the sliding block 3 moves to be tightly abutted against the groove wall of the sliding groove 2, then the pushing cylinder 11 is driven, the pushing plate 10 is pushed forwards through the piston rod of the pushing cylinder 11, so that the pipe 27 is pushed to the bending position of the bending rack 1, and then the pipe 27 is bent.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment with inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a single-end bending machine, includes bending frame (1), its characterized in that: the bending machine is characterized in that the upper surface of the bending machine frame (1) is provided with a sliding chute (2) extending to the bending position of the bending machine frame (1) along the length direction, the sliding chute (2) is connected with a sliding block (3) with the upper surface flush with the upper surface of the bending machine frame (1) in a sliding manner, one end of the sliding chute (2) far away from the bending position of the bending machine frame (1) is provided with a first air cylinder (4), a piston rod of the first air cylinder (4) is fixed on the sliding block (3), a conical storage cylinder (5) used for storing a pipe fitting (27) is erected right above the sliding chute (2) of the bending machine frame (1), the bottom of the storage cylinder (5) is provided with a discharge port (6) with the size larger than that of the pipe fitting (27), two sides of the discharge port (6) along the length direction are both provided with second air cylinders (7), piston rods of the two second air cylinders (7) are, slider (3) are equipped with striker plate (9) along length direction's both sides, one side that frame (1) of bending was kept away from in slider (3) is equipped with and slides along length direction and connect scraping wings (10) on slider (3), one side that frame (1) of bending was kept away from in slider (3) still is equipped with and pushes away material cylinder (11), the piston rod that pushes away material cylinder (11) is fixed on scraping wings (10).

2. The single-headed bender according to claim 1, wherein: two the bottom of clamping board (8) is equipped with transparent plastic curtain (12) that downwardly extending to two striker plates (9) inner wall respectively.

3. The single-headed bender according to claim 2, wherein: rubber pads (13) are arranged on the surfaces of the two opposite sides of the clamping plates (8).

4. The single-headed bender according to claim 1, wherein: bend frame (1) and erect along length direction's one side and be equipped with slope and upwards just the top and arrange in transport platform (14) of storage feed cylinder (5) top, carry platform (14) to rotate along length direction's both ends and be connected with driving roller (15), two connect through tensioned belt (16) between driving roller (15), the one end of driving roller (15) is equipped with drive driving roller (15) pivoted motor (17), carry one side that platform (14) deviate from bending frame (1) to be equipped with and put material frame (18), put material frame (18) and seted up drain hole (19) towards the one side of carrying platform (14), drain hole (19) below is equipped with deflector (20) that are used for guiding pipe fitting (27) to roll to belt (16), belt (16) surface interval is equipped with a plurality of flitch (21).

5. The single-headed bender according to claim 4, wherein: carry platform (14) along length direction's both sides to be equipped with limiting plate (22), carry platform (14) top to cover and have a layer and carry transparent guard plate (23) that platform (14) slope is unanimous.

6. The single-headed bender according to claim 1, wherein: and limiting wheels (24) are arranged at the bending part of the bending rack (1) and on two sides of the sliding groove (2).

7. The single-headed bender according to claim 1, wherein: and a collecting frame (25) for placing a bent pipe fitting (27) is arranged obliquely below the bent part of the bending machine frame (1).

8. The single-headed bender according to claim 7, wherein: the frame bottom of the collecting frame (25) is provided with three vertical upward positioning rods (26) in an S shape.