CN111085581A

CN111085581A - Barrel type pipe conveying device of numerical control pipe bender

Info

Publication number: CN111085581A
Application number: CN201911274885.3A
Authority: CN
Inventors: 姚纪恒; 姚晨
Original assignee: Shanghai Haode Energy Technology Co Ltd
Current assignee: Shanghai Haode Energy Technology Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-05-01

Abstract

The invention provides a barrel type pipe conveying device of a numerical control pipe bender, which comprises: the body frame, set up the pipe dolly of sending in body frame top and set up and snatch the mechanism at the pipe sending at sending the pipe dolly top, and the body frame both sides are provided with rack and side track respectively, and body frame top both sides are provided with the top track, are provided with multiunit track trusteeship mechanism in the middle of the body frame top, and the body frame is provided with afterbody trusteeship mechanism along the one end that sends the pipe dolly direction of advance. The pipe conveying device can clamp and fix pipe fittings conveniently, meanwhile, the pipe fittings are guaranteed not to deform and to be kept in a horizontal state in the pipe conveying process, and the pipe conveying distance can be controlled well, so that the problems that the pipe fittings of the existing pipe conveying device are not stable and convenient to clamp and the pipe fittings are bent and deformed in the pipe conveying process and the pipe conveying distance is not controlled well are solved.

Description

Barrel type pipe conveying device of numerical control pipe bender

Technical Field

The invention relates to the technical field of pipe bending, in particular to a barrel type pipe conveying device of a numerical control pipe bending machine.

Background

Some pipes that need bending such as coiled pipe are in the pipe bending process, need send into the pipe fitting and process in the pipe bending machine, the in-process of sending into, the pipe fitting can not distort, and need directly send the crooked part of pipe fitting to be close to pipe bending die department, it is convenient that current pipe feeding device is firm inadequately to the clamp of pipe fitting, can not guarantee when the pipe fitting length of sending into that pipe feeding process pipe fitting is in the level and does not have the state of warping, simultaneously send into the pipe in-process to the pipe fitting can not be fine control, lead to the position of return bend to appear the deviation.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a barrel type pipe conveying device of a numerical control pipe bender, which can be used for conveniently clamping and fixing a pipe, simultaneously ensuring that the pipe is not deformed and keeps a horizontal state in the pipe conveying process, and well controlling the pipe conveying distance so as to solve the problems that the pipe clamping of the conventional pipe conveying device is not stable and convenient enough, and the pipe is bent and deformed in the pipe conveying process and the pipe conveying distance is not well controlled.

In order to achieve the purpose, the invention is realized by the following technical scheme: a barrel type pipe conveying device of a numerical control pipe bender comprises: the pipe conveying device comprises a main frame, a pipe conveying trolley arranged above the main frame and a pipe conveying grabbing mechanism arranged at the top of the pipe conveying trolley, wherein racks and side rails are respectively arranged on two sides of the main frame, top rails are arranged on two sides of the top of the main frame, a plurality of groups of rail pipe supporting mechanisms are arranged in the middle of the top of the main frame, and a tail pipe supporting mechanism is arranged at one end of the main frame along the advancing direction of the pipe conveying trolley;

the pipe conveying trolley comprises a trolley main body used for supporting a pipe conveying and grabbing mechanism, a moving wheel is arranged on one side of the trolley main body, which is the same as a side rail, a sliding block matched with a top rail is arranged at the bottom of the trolley main body, a servo motor is arranged on one side of the trolley main body, which is the same as a rack, a main shaft of the servo motor is connected with a reduction gearbox, and the reduction gearbox is connected with a gear meshed with the rack through an output shaft;

the pipe conveying snatchs the mechanism and includes the connecting seat that is connected with the dolly main part, the connecting seat is fixed with the barrel along pipe conveying dolly direction of advance one side, the connecting seat top is fixed with presss from both sides tight hydro-cylinder, it rotates with the first branch top of V type link to each other to press from both sides tight hydro-cylinder, the second branch top of V type link rotates and is connected with the connecting rod, V type link bottom rotates in the middle of and connects on the connecting seat, the connecting rod rotates and is connected with ejector pin and ejector pin cover and establishes on the barrel, the one end fixedly connected with clamping ring of connecting seat is kept away from to the ejector pin, the barrel corresponds the position of clamping ring and has been offered the clamping jaw that is provided with in through-hole and the through-hole and with the clamping ring assorted, the internal diameter of clamping ring increases along pipe conveying dolly direction of advance gradually.

Furthermore, a plurality of fixing seats are fixedly connected to the bottom of the main frame.

Further, the side track includes the backup pad with body frame fixed connection and fixes the side slide rail at the backup pad top and remove wheel sliding connection.

Further, track trusteeship mechanism includes cylinder and fixed plate, the fixed plate is fixed at top track top, the cylinder is fixed in the middle of the fixed plate and the cylinder top rotates the intermediate position of connection at the driving arm, the driving arm top rotates and is connected with bearing roller and driven arm, the driving arm bottom rotates with the fixed plate to be connected, driven arm bottom and fixed plate sliding connection.

Furthermore, the clamping jaws are three, and three clamping strips are fixed on the inner surface of the pressing ring at positions corresponding to the three clamping jaws.

The invention has the beneficial effects that: according to the clamping device, the clamping oil cylinder in the pipe conveying clamping mechanism drives the V-shaped connecting frame and the connecting rod to move, the ejector rod and the pressing ring are driven to move, the pressing ring is connected with the clamping jaw in a sliding mode through the clamping strips and the clamping grooves, the clamping jaw can be radially contracted when the pressing ring moves towards the advancing direction of the pipe conveying trolley, clamping is achieved, the pressing ring is clamped with the clamping grooves of the clamping jaw through the clamping strips when the pressing ring moves reversely, the pressing ring drives the clamping jaw to radially expand, loosening action is achieved, and clamping stability and separation convenience are improved.

The pipe conveying trolley can lift the pipe fitting through the rail pipe supporting mechanism and the tail pipe supporting mechanism, so that the pipe fitting is prevented from bending and deforming in the feeding process, and meanwhile, the rail pipe supporting mechanism is lifted through the operation of the air cylinder, so that the pipe conveying trolley is prevented from moving.

According to the pipe conveying trolley, the servo motor drives the gear to rotate, and the gear and the rack are meshed for transmission to drive the pipe conveying trolley to move, so that the accuracy of pipe conveying distance is facilitated.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of one side of a rack according to the present invention;

FIG. 2 is a schematic view of a moving wheel according to the present invention;

FIG. 3 is a schematic right sectional view of FIG. 2;

FIG. 4 is an enlarged view of A in FIG. 1;

FIG. 5 is an enlarged view of B in FIG. 2;

FIG. 6 is a schematic sectional view showing the connection between the barrel and the pressure ring;

fig. 7 is a schematic view of the structure of the clamping jaw.

In the figure: 1-tail pipe supporting mechanism, 2-track pipe supporting mechanism, 3-pipe conveying grabbing mechanism, 4-pipe conveying trolley, 5-rack, 6-main frame, 7-foundation bolt, 8-fixing seat, 21-driven arm, 22-carrier roller, 23-driving arm, 24-fixing plate, 25-air cylinder, 31-connecting seat, 32-clamping oil cylinder, 33-V-shaped connecting frame, 34-connecting rod, 35-ejector rod, 36-pressing ring, 37-clamping jaw, 38-gun barrel, 361-clamping strip, 371-clamping groove, 41-trolley main body, 42-moving wheel, 43-servo motor, 44-reduction box, 45-output shaft, 46-gear, 411-sliding block, 61-top track, 62-side track, 621-support plate, 622-side slide rail.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of one side of the rack according to the present invention; FIG. 2 is a schematic view of a moving wheel according to the present invention.

A barrel type pipe conveying device of a numerical control pipe bender comprises: the pipe conveying device comprises a main frame 6, a pipe conveying trolley 4 arranged above the main frame 6 and a pipe conveying grabbing mechanism 3 arranged at the top of the pipe conveying trolley 4, wherein the pipe conveying trolley 4 is used for driving the pipe conveying grabbing mechanism 3 to move, the pipe conveying grabbing mechanism 3 is used for grabbing pipe fittings needing to be conveyed into a pipe bending machine, racks 5 and side rails 62 are respectively arranged on two sides of the main frame 6, the side rails 62 are used for supporting moving wheels 42 of the pipe conveying trolley 4 to move, the racks 5 are used for matching with gears 46 of the pipe conveying trolley 4, top rails 61 are arranged on two sides of the top of the main frame 6, a sliding block 411 arranged at the bottom of the pipe conveying trolley 4 is in sliding connection with the top rails 61, a plurality of groups of rail pipe supporting mechanisms 2 are arranged in the middle of the top of the main frame 6, a tail pipe supporting mechanism 1 is arranged at one end of the main frame 6 along the advancing direction of, 6 a plurality of fixing bases 8 of bottom fixedly connected with of body frame, every fixing base 8 is connected with the ground built-in fitting through two rag bolt 7 respectively, and body frame 6 is whole fixed through fixing base 8 and rag bolt 7, guarantees the stability of whole function.

Referring to fig. 3, fig. 3 is a right-side cross-sectional view of fig. 2.

The pipe conveying trolley 4 comprises a trolley body 41 for supporting the pipe conveying and grabbing mechanism 3, a moving wheel 42 is arranged on one side of the trolley body 41, which is the same as a side rail 62, the side rail 62 comprises a supporting plate 621 fixedly connected with a main frame 6 and a side slide rail 622 fixed on the top of the supporting plate 621 and slidably connected with the moving wheel 42, the moving wheel 42 is slidably connected with the side slide rail 622, a sliding block 411 matched with the top rail 61 is arranged at the bottom of the trolley body 41, the sliding block 411 is slidably connected with the top rail 61 at the top of the main frame 6, the sliding block 411 is arranged on two sides of the bottom of the trolley body 41, a certain space is arranged in the middle of the bottom of the trolley body 41, which can not be blocked when passing through the rail pipe supporting mechanism 2, a servo motor 43 is arranged on one side of the trolley body 41, which is the same as a rack 5, a reduction gearbox, after the servo motor 43 of the pipe conveying trolley 4 performs speed reduction rotation through the reduction gearbox 44, the output shaft 45 drives the gear 46 to rotate, the gear 46 is meshed with the rack 5, the gear 46 moves along the rack 5 when rotating, so that the trolley main body 41 is driven to move, and the trolley main body 41 moves to drive the pipe conveying grabbing mechanism 3 to move to perform pipe conveying work.

Referring to fig. 5-7, fig. 5 is an enlarged view of B in fig. 2; FIG. 6 is a schematic sectional view showing the connection between the barrel and the pressure ring; fig. 7 is a schematic view of the structure of the clamping jaw.

The pipe conveying grabbing mechanism 3 comprises a connecting seat 31 connected with a trolley body 41, a gun barrel 38 is fixed on one side of the connecting seat 31 along the advancing direction of the pipe conveying trolley 4, a clamping oil cylinder 32 is fixed on the top of the connecting seat 31, the clamping oil cylinder 32 is rotationally connected with the first branch top of a V-shaped connecting frame 33, a connecting rod 34 is rotationally connected with the second branch top of the V-shaped connecting frame 33, the middle of the bottom of the V-shaped connecting frame 33 is rotationally connected onto the connecting seat 31, the connecting rod 34 is rotationally connected with a push rod 35, the push rod 35 is sleeved on the gun barrel 38, a press ring 36 is fixedly connected with one end, far away from the connecting seat 31, of the push rod 35, a through hole is formed in the position, corresponding to the press ring 36, of the gun barrel 38, a clamping jaw 37 matched with the press ring 36 is arranged in the through hole, the inner diameter of the press ring 36 is.

The clamping cylinder 32 drives the first branch of the V-shaped connecting frame 33 to move when extending, the bottom of the V-shaped connecting frame 33 rotates with the connecting seat 31, the second branch drives the connecting rod 34 to move towards the advancing direction of the pipe conveying trolley 4, the connecting rod 34 drives the ejector rod 35 to move, the ejector rod 35 drives the pressing ring 36 to move, the inner diameter of the pressing ring 36 is gradually increased along the advancing direction of the pipe conveying trolley 4, the clamping jaw 37 is in sliding connection with the clamping strip 361 of the pressing ring 36 through the clamping groove 371, and therefore in the process that the pressing ring 36 moves towards the advancing direction of the pipe conveying trolley 4, the clamping jaw 37 contracts radially, and the pipe fittings inserted into the gun barrel 38 are clamped. When the clamping cylinder 32 retracts, the inner diameter of the pressing ring 36 gradually increases along the advancing direction of the pipe conveying trolley 4, and the clamping jaw 37 is in sliding connection with the clamping strip 361 of the pressing ring 36 through the clamping groove 371, so that in the process that the pressing ring 36 moves back to the advancing direction of the pipe conveying trolley 4, the clamping jaw 37 radially expands, and the loosening action is realized.

The clamping jaws 37 are three, three clamping strips 361 are fixed on the inner surface of the pressing ring 36 corresponding to the positions of the three clamping jaws 37, the three clamping jaws 37 can clamp the workpiece in an all-around mode, and clamping stability is improved.

Referring to fig. 4, fig. 4 is an enlarged view of a in fig. 1.

The track supporting pipe mechanism 2 comprises an air cylinder 25 and a fixing plate 24, the fixing plate 24 is fixed to the top of the top track 61, the air cylinder 25 is fixed to the middle of the fixing plate 24, the top of the air cylinder 25 is rotatably connected to the middle of the driving arm 23, the top of the driving arm 23 is rotatably connected with the carrier roller 22 and the driven arm 21, the bottom of the driving arm 23 is rotatably connected with the fixing plate 24, and the bottom of the driven arm 21 is slidably connected with the fixing plate 24. When the pipe normally is conveyed to the work, the air cylinder 25 is in an extension state, the pipe fitting can be lifted on the carrier roller 22, and each section of the pipe fitting can be supported because the track pipe supporting mechanism 2 is provided with a plurality of groups, so that the pipe fitting is prevented from bending and deforming due to falling of the gravity of the pipe fitting. When the pipe conveying trolley 4 passes through the track pipe supporting mechanisms 2, the air cylinder 25 can retract, so that the driving arm 23 is driven to rotate downwards, the driving arm 23, the carrier roller 22 and the driven arm 21 are enabled to descend to the position where the bottom of the pipe conveying trolley 4 cannot be touched, the width of each group of track pipe supporting mechanisms 2 is smaller than that of the main frame 6, a part of the top track 61 at the position of each group of track pipe supporting mechanisms 2 can be ensured to be leaked, and the connection between the sliding block 411 at the bottom of the trolley body 41 and the top track 61 is met.

The working principle is as follows: when delivering the pipe, firstly, the pipe is grabbed and fixed, the pressing ring 36 is moved to the position corresponding to the outside of the clamping jaw 37 of the gun barrel 38 by the extension of the clamping cylinder 32 of the pipe grabbing mechanism 3, the clamping jaw 37 is pressed to clamp the pipe inserted into the gun barrel 38, the carrier roller 22 of the track supporting mechanism 2 can support the pipe extending out of the gun barrel 38, then, the pipe conveying trolley 4 is responsible for driving the pipe conveying and grabbing mechanism 3 to move, the pipe conveying trolley 4 drives the gear 46 to rotate through the operation of the servo motor 43 and the output shaft 45 of the reduction gearbox 44, the gear 46 moves along the rack 5 on the main frame 6 when rotating, thereby driving the pipe conveying trolley 4 to move, realizing the pipe conveying operation, when the pipe conveying trolley 4 moves to each group of track pipe supporting mechanisms 2, the cylinder 25 retracts to drive the driving arm 23, the driven arm 21 and the carrier roller 22 to descend, so that the pipe conveying trolley 4 is not blocked when moving.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. a CNC pipe bending machine barrel type pipe feeding device, is characterized in that, comprises: main frame (6), the pipe feeding trolley (4) that is arranged on the main frame (6) top and is arranged on the pipe feeding trolley (4) ) pipe feeding and grabbing mechanism (3) at the top, racks (5) and side rails (62) are respectively provided on both sides of the main frame (6), and top rails are provided on both sides of the top of the main frame (6) (61), a plurality of groups of track escrow mechanisms (2) are arranged in the middle of the top of the main frame (6), and a tail escrow mechanism (1) is arranged at one end of the main frame (6) along the advancing direction of the pipe feeding trolley (4). ;

The pipe feeding trolley (4) includes a trolley body (41) for supporting the pipe feeding grabbing mechanism (3), and a moving wheel (42) is provided on the same side of the trolley body (41) as the side rail (62). ), the bottom of the trolley main body (41) is provided with a slider (411) matching the top rail (61), and a servo motor (43) is provided on the same side of the trolley main body (41) as the rack (5). ), the main shaft of the servo motor (43) is connected with a reduction box (44), and the reduction box (44) is connected with a gear (46) meshing with the rack (5) through the output shaft (45);

The pipe feeding and grabbing mechanism (3) includes a connecting seat (31) connected with the main body (41) of the trolley, and a gun barrel (38) is fixed on one side of the connecting seat (31) along the advancing direction of the pipe feeding trolley (4). ), a clamping cylinder (32) is fixed on the top of the connecting seat (31), and the clamping cylinder (32) is rotatably connected to the top of the first branch of the V-shaped connecting frame (33), and the V-shaped connecting frame ( The top of the second branch of 33) is rotatably connected with a connecting rod (34), the middle of the bottom of the V-shaped connecting frame (33) is rotatably connected to the connecting seat (31), and the connecting rod (34) is rotatably connected with a top rod (33). 35) and the ejector rod (35) is sleeved on the barrel (38), the end of the ejector rod (35) away from the connecting seat (31) is fixedly connected with a pressure ring (36), and the barrel (38) corresponds to A through hole is formed at the position of the pressure ring (36), and a clamping claw (37) matching the pressure ring (36) is arranged in the through hole, and the inner diameter of the pressure ring (36) is along the advancing direction of the pipe feeding trolley (4). Gradually increasing, a clamping strip (361) is fixed on the inner surface of the pressing ring (36), and a clamping groove (371) slidably connected with the clamping strip (361) is formed on the clamping jaw (37).

2 . The barrel type pipe feeding device of a CNC pipe bender according to claim 1 , wherein a plurality of fixing seats ( 8 ) are fixedly connected to the bottom of the main frame ( 6 ). 3 .

3. The barrel type pipe feeding device of a CNC pipe bender according to claim 1, wherein the side rail (62) comprises a support plate (621) fixedly connected with the main frame (6) and a fixed A side slide rail (622) slidably connected with the moving wheel (42) at the top of the support plate (621).

4. The barrel type pipe feeding device of a CNC pipe bender according to claim 1, characterized in that: the track custody mechanism (2) comprises a cylinder (25) and a fixing plate (24), the fixing plate (24) is fixed on the top of the top rail (61), the air cylinder (25) is fixed in the middle of the fixing plate (24) and the top of the air cylinder (25) is rotatably connected to the middle position of the driving arm (23), the driving arm (23) ) top is rotatably connected with the idler (22) and the driven arm (21), the bottom of the active arm (23) is rotatably connected with the fixed plate (24), and the bottom of the driven arm (21) is connected with the fixed plate (24) Slide to connect.

5. The barrel type pipe feeding device of a CNC pipe bender according to claim 1, characterized in that: the clamping jaws (37) are provided with three, and the inner surface of the pressure ring (36) corresponds to three clamps The position of the claw (37) is fixed with three clips (361).