CN217703474U - Automatic production line and pipe fitting clamping device with variable angle - Google Patents

Abstract

The utility model discloses an automatic production line and variable angle's pipe fitting clamping device, kind variable angle's pipe fitting clamping device, including mount pad and two clamping jaws that are used for the centre gripping pipe fitting, two clamping jaws are installed on the mount pad, clamping device still includes the vision camera that is used for catching the pipe fitting image, the vision camera is installed on the mount pad, clamping device still includes the rotating assembly that is used for driving clamping jaw rotation angle and is used for driving two clamping jaws to be close to each other or the drive assembly that keeps away from each other; the clamping jaw comprises two clamping pieces for clamping the pipe fitting, the surface of each clamping piece, which is used for abutting against the pipe fitting, is a clamping surface, the transverse section of each clamping surface is arc-shaped, and the longitudinal section of each clamping surface is arc-shaped; through the angle of the interval of drive assembly and runner assembly autonomous control clamping jaw, through the clamping face of optimizing the holding piece, reduce the area of clamping jaw butt pipe fitting, improve the suitability of clamping jaw.

Description

Automatic production line and pipe fitting clamping device with variable angle

Technical Field

The utility model relates to a pipe fitting clamp is got the equipment field, especially relates to an automatic production line and variable angle's pipe fitting clamping device.

Background

The manipulator that applies to pipe fitting automation line centre gripping at present stage because its adjustment structure all adopts the fixed design of machinery, for the centre gripping that adapts to each specification pipe fitting, adopts the mode of stopping the line to the adjustment of manipulator, manual intervention manual adjustment, and the unicity of its centre gripping is greatly restricting the promotion of production efficiency.

When the length of a clamped pipe is long, the clamping reliability is ensured by adopting a common clamping mode of double clamping jaws; the drawback of this method lies in that when the processing pipe fitting batch appears and the length span is great, the line needs to be stopped, the operator enters the line to manually adjust the distance between the two clamping jaws according to the change of the length of the pipe fitting, the control of the adjustment position still depends on the experience of the operator, the production efficiency of the production line is greatly influenced, the workload of the operator is improved, and meanwhile, the potential safety hazard also exists.

The patent document with the publication number of CN106425919 discloses a universal clamping device for electric tool working condition test, including fore-and-aft mounting panel and mount pad, the mount pad is located the mounting panel to be equipped with angle adjustment mechanism and be used for changing the position relation of mount pad and mounting panel, be equipped with longitudinal clamping subassembly and butt clamp subassembly on the mount pad, longitudinal clamping subassembly includes briquetting, the flexible actuating mechanism of briquetting and the benchmark board of below of top, then is equipped with the locked groove that is used for fixed electric tool on the benchmark board, forms fore-and-aft clamp space between briquetting and the benchmark board, butt clamp subassembly locate the benchmark board below, it includes the interval adjustment mechanism of two clamping jaws and two clamping jaws side by side, the face of opening and shutting of above-mentioned clamping jaw corresponds in opposite directions. The distance adjusting mechanism of the clamping jaw comprises a horizontal long groove arranged on the reference plate, a fastening screw rod arranged at the tail of the clamping jaw and two locking nuts arranged on the fastening screw rod, the fastening screw rod is inserted into the long groove to slide, the two locking nuts are respectively arranged on the upper surface and the lower surface of the long groove, and the two locking nuts on the fastening screw rod are locked and positioned after the distance between the clamping jaws is adjusted.

In the prior art, the distance between the two clamping jaws and the rotating angle of each clamping jaw are still manually adjusted, and some pipe fittings are complex in shape according to design requirements, the clamping position space is small, the angle is drilled, the rotating angle of the clamping jaws needs to be manually adjusted so that equipment can clamp and take the pipe fittings

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of difficult clamping of complex-shaped pipe fittings in the prior art, the utility model aims to provide an automatic production line and a pipe fitting clamping device with variable angles, wherein a driving component and a rotating component control the space between two clamping jaws arranged on a mounting seat and the clamping angle of each clamping jaw, thereby avoiding manual intervention and improving the precision of a clamping position; and the face that is used for the butt pipe fitting on the clamping jaw is the clamping face, and the horizontal cross-section and the longitudinal section of clamping face all are circular-arc, and then reduce the butt area of clamping jaw and pipe fitting, improve clamping device and deal with the adaptability of complicated molding pipe fitting.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a variable-angle pipe clamping device comprises a mounting seat and two clamping jaws for clamping a pipe, wherein the two clamping jaws are mounted on the mounting seat; the clamping jaw comprises two clamping pieces for clamping the pipe fitting, the surface of the clamping piece, which is used for being abutted against the pipe fitting, is a clamping surface, the transverse section of the clamping surface is arc-shaped, and the longitudinal section of the clamping surface is arc-shaped.

Preferably, the rotating assembly comprises two connecting seats, the two connecting seats are arranged on the mounting seat in a sliding mode, the two clamping jaws are arranged at the bottoms of the two connecting seats respectively, the rotating assembly further comprises two second motors, the two second motors are arranged on the connecting seats respectively, and the two second motors are used for driving the two clamping jaws to rotate respectively.

Preferably, the driving assembly comprises a bidirectional screw rod and a first motor used for driving the bidirectional screw rod to rotate, the first motor is installed on the installation seat, the bidirectional screw rod is installed on the installation seat in a rotating mode, and two screw thread sections with opposite rotating directions on the bidirectional screw rod are respectively in threaded connection with the two connection seats.

As preferred, seted up first drive chamber on the mount pad, two connecting seats are all installed in first drive intracavity, and two-way lead screw is installed in first drive intracavity, and the mount pad bottom is equipped with the spacing hole with first drive intercommunication, and the connecting seat bottom is protruding to have a spacing portion, and spacing portion is located spacing downthehole and can follow spacing hole and slide, and the hole of dodging has been seted up at the mount pad top, and the one end of motor can be installed on the connecting seat through dodging the hole.

As preferred, the mount pad includes base member and two end covers, and first drive chamber, spacing hole and two dodge the hole and all set up on the base member, and the base member is run through to direction about first drive chamber and spacing hole are all, and two end covers are fixed mounting respectively at the both ends of base member, and two end covers are respectively with the both ends shutoff about the base member.

Preferably, the clamping jaw further comprises an air cylinder, the air cylinder comprises two output ends capable of performing telescopic motion, and the two clamping pieces are fixedly connected with the two output ends of the air cylinder respectively.

Preferably, the holding piece comprises a connecting part for connecting the air cylinder and a clamping part for clamping the pipe fitting, the clamping part is positioned below the connecting part, and the connecting part and the clamping part are arranged in a crossed mode.

Use a variable angle's pipe fitting clamping device's an automation line, include the mount pad and set up two clamping jaws on the mount pad, still including the visual system of shooing that is used for catching and transmits the pipe fitting image and the control system that can control clamping jaw position and turned angle.

The technical scheme of the utility model beneficial effect do: 1) The transverse section and the longitudinal section of the clamping surface are both arc-shaped, so that the abutting area of the clamping jaw and the pipe fitting is reduced, and the adaptability of the clamping device to the pipe fitting with the complex shape is improved; 2) The same motor controls the rotation angle of the clamping jaws and the distance between the two clamping jaws, so that the control precision and the automation degree of a production line are improved; 3) The automatic adjusting and clamping functions in the automatic production line are optimized through digital control, the cost of human resources is reduced, the technical requirements for debugging are lowered, production stagnation caused by manual debugging is avoided, the production rhythm is optimized, the production efficiency is improved, the output quality of pipe fitting products is greatly improved, and the automation degree of the production line is improved.

Drawings

FIG. 1 is a first schematic view of a variable angle tubular gripping apparatus;

FIG. 2 is a second schematic structural view of a variable angle tubular clamping device;

FIG. 3 is a first schematic structural diagram of the mounting base;

FIG. 4 is a second schematic structural view of the mounting base;

FIG. 5 is a first schematic view of a connection structure of the rotating assembly and the clamping jaws;

FIG. 6 is a second schematic view of the connection structure of the rotating assembly and the clamping jaws;

fig. 7 is a schematic structural view of the holding sheet.

Reference numerals: 1. a pipe fitting; 2. a mounting base; 21. a substrate; 22. an end cap; 23. a first drive chamber; 24. avoiding holes; 25. a limiting hole; 26. an assembly hole; 3. a clamping jaw; 31. a cylinder; 311. a telescopic end; 32. a clamping sheet; 321. a connecting portion; 322. a clamping part; 323. a clamping surface; 4. a drive assembly; 41. a first motor; 42. a bidirectional screw rod; 43. a first bevel gear; 44. a second bevel gear; 45. assembling a plate; 5. a rotating assembly; 51. a second motor; 52. a top cover; 53. a connecting seat; 54. a first gear; 55. a second gear; 56. mounting a plate; 57. a limiting part; 6. a vision camera.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the following embodiments, based on the orientation shown in fig. 1, the position of the first motor 41 in fig. 1 is 'front', and the two clamping jaws 3 'are arranged in the left and right' directions in fig. 1.

The embodiment is as follows:

a variable-angle pipe clamping device is shown in figures 1, 2 and 7 and comprises a mounting base 2 and two clamping jaws 3 used for clamping a pipe, wherein the two clamping jaws 3 are mounted on the mounting base 2, the clamping device further comprises a vision camera 6 used for capturing an image of the pipe, the vision camera 6 is mounted on the mounting base 2, the clamping device further comprises a rotating assembly 5 used for driving the clamping jaws 3 to rotate by an angle and a driving assembly 4 used for driving the two clamping jaws 3 to be close to or away from each other. Therefore, the clamping angle and the clamping distance of the two clamping jaws 3 are changed to deal with multiple complex pipes and pipes with more specifications, so that the effects of more outstanding applicability and practicability are achieved, and the clamping reliability is improved; the automatic adjusting and clamping functions in the automatic production line are optimized through digital control, the human resource cost and the debugging technical requirements are reduced, production stagnation caused by manual debugging is avoided, the production takt is optimized, the production efficiency is improved, the output quality of pipe fitting products is greatly improved, and the automation degree of the production line is improved.

In this embodiment, as shown in fig. 2, 5 and 6, the clamping jaw 3 includes a cylinder 31 and two clamping pieces 32, the cylinder 31 includes two telescopic ends, the two telescopic ends are arranged in the left-right direction, the two telescopic ends move in opposite directions, the two telescopic ends 311 of the cylinder 31 are both fixedly mounted with a connecting plate, and the two clamping pieces 32 are respectively and fixedly mounted on the two connecting plates. The distance between the two clamping pieces 32 is controlled through the air cylinder 31, and then the clamping of the pipe fitting is realized.

In this embodiment, the gripping tab 32 is arcuate in shape at one end for abutting the pipe elements. Like this, the outer round face with the pipe fitting that on the one hand can be better matches, and on the other hand can prevent that pipe fitting and clamping jaw 3 from droing.

Further, the surface of the clamping piece 32 for abutting against the pipe is a clamping surface 323, the transverse section of the clamping surface 323 is arc-shaped, and the longitudinal section of the clamping surface 323 is arc-shaped. In this way, the transverse section of the clamping surface 323 is arc-shaped, so that the abutting part of the clamping piece 32 and the pipe is in a linear shape, the limitation of the pipe shape on the size of the contact surface of the pipe and the clamping piece 32 is further reduced, and the applicability and the practicability of the clamping device are improved.

Further, the clamping piece 32 includes a connecting portion 321 and a clamping portion 322, the clamping portion 322 is located at a lower side of the connecting portion 321, the clamping portion 322 is disposed to intersect with the connecting portion 321, the connecting portion 321 is fixed on the connecting plate by a bolt, and the clamping surface 323 is located at one end of the clamping portion 322. Thus, on the one hand, the connection, detachment and replacement of the holding pieces 32 can be facilitated, and on the other hand, the volume and weight of the holding pieces 32 can be reduced.

In this embodiment, clamping device is still including the mount pad 2 that can link to each other with the manipulator, and vision camera 6 is installed on mount pad 2, and two clamping jaws 3 all are installed on mount pad 2 with the mode that can remove about and rotate. Therefore, the clamping device is convenient to mount, and the stability of the clamping device is improved.

Further, as shown in fig. 2-6, the clamping device further comprises a driving assembly 4 for driving the clamping jaw 3 to move and two rotating assemblies 5 for driving the clamping jaw 3 to rotate; in this embodiment, the first driving cavity 23 is disposed on the mounting base 2, the rotating assembly 5 includes a connecting base 53 capable of mounting the clamping jaw 3, the connecting base 53 is slidably mounted in the first driving cavity 23, the clamping jaw 3 is rotatably mounted on the connecting base 53, the driving assembly 4 includes a bidirectional screw rod 42 and a first motor 41, the bidirectional screw rod 42 is rotatably mounted in the first driving cavity 23, two threaded ends on the bidirectional screw rod 42 are respectively in threaded connection with the two connecting bases 53, an assembling hole 26 communicated with the first driving cavity 23 is formed in the front end of the mounting base 2, the first motor 41 is mounted on the mounting base 2 through an assembling plate 45, an output end of the first motor 41 passes through the assembling hole 26 and enters the first driving cavity 23, a first bevel gear 43 is fixedly mounted on an output end of the first motor 41, a second bevel gear 44 is fixedly mounted on the bidirectional screw rod 42, and the first bevel gear 43 is meshed with the second bevel gear 44. Therefore, the bevel gear is driven to rotate by the motor, so that the screw rod is driven to rotate, and the synchronous high-precision moving positioning of the two clamping jaws 3 is realized. In other embodiments, the first motor 41 is directly connected to one end of the bidirectional screw 42 through a coupling.

Furthermore, the bottom of the mounting seat 2 is provided with a limiting hole 25 communicated with the first driving cavity 23, the bottom of the connecting seat 53 protrudes with a limiting part 57, the connecting seat 53 is in sliding fit with the first driving cavity 23, the limiting part 57 is in sliding fit with the limiting hole 25, and the clamping jaw 3 is located below the limiting part 57. In this way, the stability of the movement process of the holding jaw 3 is improved.

Further, mount pad 2 includes base member 21 and two end covers 22, and first drive chamber 23, spacing hole 25 and two dodge hole 24 and all set up on base member 21, and first drive chamber 23 and spacing hole 25 all control the direction and run through base member 21, and two end covers 22 are fixed mounting respectively at the both ends of base member 21, and two end covers 22 are respectively with base member 21's both ends shutoff about. This enables the attachment seat 53 to be installed in the first driving chamber 23 from both left and right ends of the base body 21, so that the arrangement facilitates the attachment and detachment of the clamping device.

Further, the rotating assembly 5 further comprises a top plate, the second motor 51, the first transmission shaft and the second transmission shaft, a mounting groove is formed in the top of the connecting seat 53, a second driving cavity communicated with the mounting groove is formed in the connecting seat 53, the top plate can be fixed in the mounting groove and seals the second driving cavity, the second motor 51 is installed on the top plate, a avoiding hole 24 communicated with the first driving cavity 23 is formed in the top of the mounting seat 2, the second motor 51 can slide in the avoiding hole 24, the output end of the second motor 51 penetrates through the top plate to extend into the second driving cavity, the first transmission shaft is fixedly installed on the output end of the second motor 51, the second transmission shaft is rotatably installed on the top plate, the top plate is installed on the connecting seat 53, the first transmission shaft and the second transmission shaft are both located in the second driving cavity, the first gear 54 is fixedly installed on the first transmission shaft, the second gear 55 is fixedly installed on the second transmission shaft, the first gear 54 is meshed with the second gear 55, and one end of the second transmission shaft is fixed on the cylinder 31 of the clamping jaw 3 through the mounting plate 56 after penetrating through the connecting seat 53. So set up, through gear and motor, the turned angle of control clamping jaw 3 that can be more accurate improves the reliability of clamping jaw 3 device. In other embodiments, the second motor 51 may be directly connected to the jaw 3.

In the present embodiment, the first motor 41 and the second motor 51 are both servo motors. Thus, the control accuracy of the clamping device is improved.

Use above-mentioned variable angle's pipe fitting clamping device's an automation line, include mount pad 2 and two clamping jaws 3 of setting on mount pad 2 still include the visual system of shooing that is used for catching and transmits the pipe fitting image and can control clamping jaw 3 position and turned angle's control system.

In this embodiment, the photo vision system includes a vision camera 6 for taking images of the tubular.

In this embodiment, control system includes PLC, touch screen, regulator cubicle and controller etc, control system carries out analog simulation analysis to the return bend parameter that needs the centre gripping pipe fitting, discern the best centre gripping position of this pipe fitting, servo motor carries out the coarse adjustment of angle, because there is the coefficient of bounce-back in the pipe fitting, unstable factors such as clamping tolerance, the visual system that needs to shoot realizes data interaction in real time, rely on the leading-in data control servo motor of visual system to carry out the accurate adjustment of secondary, reach closed loop control's effect, realize angle control can be according to the automatic accurate adjustment of parameter and the effect of reliability centre gripping.

In this embodiment, when the distance between the two clamping jaws 3 needs to be adjusted, the first motor 41 drives the first bevel gear 43 to rotate, the first bevel gear 43 drives the second bevel gear 44 to rotate, the second bevel gear 44 drives the two-way screw rod 42 to rotate, the two-way screw rod 42 drives the two connecting seats 53 to approach or separate from each other through threads, the two connecting seats 53 respectively drive the second motor 51, the first transmission shaft, the second transmission shaft and the clamping jaws 3 which are installed on the two connecting seats to move, and then the adjustment of the distance between the two clamping jaws 3 is completed; when the angle of the clamping jaw 3 needs to be adjusted, the second motor 51 drives the first transmission shaft to rotate, the first transmission shaft drives the first gear 54 to rotate, the first gear 54 drives the second gear 55 to rotate, the second gear 55 drives the second transmission shaft to rotate, the second transmission shaft drives the clamping jaw 3 to rotate through the mounting plate 56, and then the angle adjustment of the clamping jaw 3 is completed.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims (8)

1. The utility model provides a pipe fitting clamping device of variable angle, includes mount pad (2) and two clamping jaw (3) that are used for the centre gripping pipe fitting, and its characterized in that is installed on mount pad (2) in two clamping jaw (3): the clamping device further comprises a visual camera (6) for capturing an image of the pipe fitting, the visual camera (6) is mounted on the mounting base (2), the clamping device further comprises a rotating assembly (5) for driving the clamping jaws (3) to rotate and a driving assembly (4) for driving the two clamping jaws (3) to approach or move away from each other; the clamping jaw (3) comprises two clamping pieces (32) used for clamping the pipe fitting, the surface, used for being abutted against the pipe fitting, of each clamping piece (32) is a clamping surface (323), the transverse section of each clamping surface (323) is arc-shaped, and the longitudinal section of each clamping surface (323) is arc-shaped.

2. A variable angle tubular gripping apparatus as claimed in claim 1, wherein: rotating assembly (5) include two connecting seats (53), and two equal slidable mounting of connecting seat (53) are on mount pad (2), and the bottom in two connecting seats (53) is installed respectively in two clamping jaws (3), and rotating assembly (5) still includes two second motors (51), and install respectively on connecting seat (53) two second motors (51), and two second motors (51) are used for driving two clamping jaws (3) respectively and rotate.

3. A variable angle tubular gripping apparatus as claimed in claim 2, wherein: the driving assembly (4) comprises a bidirectional screw rod (42) and a first motor (41) used for driving the bidirectional screw rod (42) to rotate, the first motor (41) is installed on the installation seat (2), the bidirectional screw rod (42) is installed on the installation seat (2) in a rotating mode, and two thread sections, opposite in rotating direction, on the bidirectional screw rod (42) are connected with the two connection seats (53) in a threaded mode respectively.

4. A variable angle tubular gripping apparatus as claimed in claim 3, wherein: seted up first drive chamber (23) on mount pad (2), two connecting seats (53) are all installed in first drive chamber (23), install in first drive chamber (23) two-way lead screw (42), mount pad (2) bottom is equipped with spacing hole (25) with first drive intercommunication, connecting seat (53) bottom arch has spacing portion (57), spacing portion (57) are located spacing hole (25) and can slide along spacing hole (25), hole (24) have been seted up at mount pad (2) top and have been dodged, the one end of second motor (51) can be installed on connecting seat (53) through dodging hole (24).

5. A variable angle tubular gripping apparatus as claimed in claim 4, wherein: mount pad (2) include base member (21) and two end covers (22), first drive chamber (23), spacing hole (25) and two dodge hole (24) and all set up on base member (21), direction about first drive chamber (23) and spacing hole (25) are all run through base member (21), two end covers (22) are fixed mounting respectively at the both ends of base member (21), both ends shutoff about base member (21) are respectively with two end covers (22).

6. A variable angle tubular gripping apparatus as claimed in claim 1, wherein: the clamping jaw (3) further comprises an air cylinder (31), the air cylinder (31) comprises two output ends capable of moving in a telescopic mode, and the two clamping pieces (32) are fixedly connected with the two output ends of the air cylinder (31) respectively.

7. A variable angle tubular gripping apparatus as claimed in claim 1, wherein: the clamping piece (32) comprises a connecting part (321) used for connecting the air cylinder (31) and a clamping part (322) used for clamping the pipe fitting, the clamping part (322) is located below the connecting part (321), and the connecting part (321) and the clamping part (322) are arranged in a crossed mode.

8. An automated production line employing a variable angle tubular gripping apparatus according to any one of claims 1 to 7, wherein: include mount pad (2) and two clamping jaws (3) of setting on mount pad (2), still including the visual system of shooing that is used for catching and transmits the pipe fitting image and the control system that can control clamping jaw (3) position and turned angle.

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