CN116276711B - Self-adaptive automatic supporting method and device for long tube - Google Patents
Self-adaptive automatic supporting method and device for long tubeInfo
- Publication number
- CN116276711B CN116276711B CN202310211547.5A CN202310211547A CN116276711B CN 116276711 B CN116276711 B CN 116276711B CN 202310211547 A CN202310211547 A CN 202310211547A CN 116276711 B CN116276711 B CN 116276711B
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- Prior art keywords
- roller group
- roller
- long tube
- rack
- spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
本发明公开了一种长管的自适应自动支撑方法和装置，包括调节座、中间部分向内凹陷的第一滚轮、中间部分向内凹陷的第二滚轮和摆杆，第一滚轮和第二滚轮相对设置，以可滑动的形式安装在调节座上，摆杆位于第一滚轮和第二滚轮中间的位置，摆杆与支撑装置的传动组件相连，摆杆一端与调节座铰接，摆杆的另一端向上翘起，传动组件能够驱动第一滚轮组和第二滚轮组移动；长管端部进入第一滚轮和第二滚轮之间，并且摆杆在压住摆杆时能够驱使摆杆发生摆动，而摆杆摆动时能够驱动第一滚轮和第二滚轮相互靠近，进而使长管沿第一滚轮和第二滚轮凹陷的外壁向滚轮的中间位置移动，使长管端部的轴线能够逐渐与第一滚轮的中间位置和第二滚轮的轴线位置重合。
The present invention discloses an adaptive automatic supporting method and device for a long tube, comprising an adjusting seat, a first roller with a middle portion recessed inwardly, a second roller with a middle portion recessed inwardly, and a rocker arm, wherein the first roller and the second roller are arranged opposite to each other and are slidably mounted on the adjusting seat, the rocker arm is located between the first roller and the second roller, the rocker arm is connected to a transmission component of a supporting device, one end of the rocker arm is hinged to the adjusting seat, and the other end of the rocker arm is tilted upward, and the transmission component can drive the first roller group and the second roller group to move; the end portion of the long tube enters between the first roller and the second roller, and the rocker arm can drive the rocker arm to swing when pressing the rocker arm, and when the rocker arm swings, it can drive the first roller and the second roller to approach each other, thereby causing the long tube to move along the outer wall of the recess of the first roller and the second roller to the middle position of the rollers, so that the axis of the end portion of the long tube can gradually coincide with the middle position of the first roller and the axis position of the second roller.
Description
Technical Field
The invention relates to the field of mechanical manufacturing, in particular to a self-adaptive automatic supporting method and device for a long tube.
Background
The aircraft and rocket conduit are in preparation for important works such as fuel input, mechanism opening, pressure control, environment regulation and the like, any part is damaged by faults, the aircraft and rocket conduit can possibly cause major tragedy of aircraft 'aircraft death' and rocket 'rocket death', and the direct relationship officers and soldiers have the safety of passengers. In the feeding and bending process of the guide pipe, if the front end of the guide pipe sags, the guide pipe is easy to interfere with the die and the equipment, the alarm is stopped when the guide pipe is light, the equipment and the die are damaged when the guide pipe is heavy, and the efficiency of pipe bending and the production safety are seriously influenced. In the prior art, a material supporting structure is generally adopted for supporting the guide pipe, and an air cylinder or a hydraulic oil cylinder is adopted for supporting the guide pipe through a connecting rod mechanism or a servo motor combined with a lifting screw rod by driving a supporting rod roller. The structures have larger manufacturing cost for equipment, and can design a mechanical structure without external driving control, support the catheter and reduce the design and manufacturing cost.
The patent document with the application publication number of CN1061 41285A discloses a pipe cutting machine tool, wherein a positioning mechanism is disclosed, the positioning mechanism comprises a supporting seat and pressing wheels, the supporting seat is arranged below the pipe, the pressing wheels are arranged on two sides of the pipe, the prior art also discloses that the pressing wheels on two sides of the pipe finish moving towards and away from the pipe through the thrust of a first cylinder, a first position sensor is arranged on the running route of the pipe, the first position sensor can control the opening of the first cylinder, when the pipe is pushed to the position of the first position sensor in working, the first cylinder controls the pressing wheels to clamp the pipe on two sides of the pipe, the pressing wheels can rotate, the pipe is required to be pushed in an emergency, and the pressing wheels mainly play a guiding role and a pre-pressing role before cutting.
The prior art has the following problems that 1) supporting seats with different thicknesses are required to be replaced when long pipes with different pipe diameters are processed by the structure disclosed by the prior art, otherwise, the feeding shaft of a trolley, the long pipe and a wheel die cannot be guaranteed to be coaxial, 2) the front end of the long pipe can droop in the feeding process due to the weight of a guide pipe, the supporting seats for supporting the bottom of the long pipe in the prior art are positioned on the left side of a pressing wheel, the bottoms of the front end and the rear end of the long pipe are supported, the middle position of the bottom of the long pipe is not supported, the front end of the long pipe is lifted, the front end of the long pipe, the feeding shaft of the trolley and the clamping end of the wheel die cannot be accurately controlled to be always on the same axis, and 3) the two pressing plates can deform the long pipe due to the fact that the distance between the two pressing plates is controlled by an air cylinder.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a self-adaptive automatic supporting method and device for a long tube, which are capable of automatically completing the coaxiality of the end part of the long tube, a feeding shaft of a trolley and a clamping section of a wheel die without electric control and external force, and improving the stability of an automatic production process.
The self-adaptive automatic supporting method for the long tube comprises a frame, a feeding mechanism, a bending mechanism and a supporting device, wherein the feeding mechanism is arranged on the frame, the feeding mechanism is connected with one end of the long tube and can drive the long tube to move, the supporting device comprises an adjusting seat, a first roller group and a second roller group are slidably arranged on the adjusting seat, the first roller group and the second roller group are oppositely arranged, a swinging rod is hinged on the adjusting seat, one end of the swinging rod is hinged with the adjusting seat, the other end of the swinging rod is upwards tilted, the swinging rod is positioned at the position between the first roller group and the second roller group, the swinging rod is connected with a transmission assembly of the supporting device, and the transmission assembly can drive the first roller group and the second roller group to move;
Step 1), adjusting the distance between a first roller group and a second roller group according to the pipe diameter of a long pipe, and adjusting the swing angle of a swing rod;
The feeding mechanism drives the long tube to move so that the long tube passes through the supporting device, wherein the long tube passes through between the first roller group and the second roller group, and presses down one end of the swinging rod through self gravity to swing the swinging rod, the first roller group and the second roller group are driven to be close to each other when the swinging rod swings, so that the long tube can move to the middle position of the first roller and the second roller along the outer wall of the recess of the first roller and the second roller, the first roller group and the second roller group clamp the long tube, and then the front side, the rear side and the lower side of the long tube are supported, and further the long tube can smoothly enter the bending mechanism;
Step 3) continuously moving the long tube limited by the supporting device and inserting the long tube into a wheel die clamping section of the bending mechanism;
And 4) after the long tube is machined, the swing rod of the supporting device loses pressure, the transmission assembly drives the swing rod to reset and drives the first roller group and the second roller group to be away from each other.
Preferably, the transmission assembly further comprises a reset piece, in the step 2), when the first roller group and the second roller group are close to each other, the reset piece stores force, and in the step 4), when the long tube is separated from the supporting device, the reset piece is released, and the first roller group, the second roller and the swing rod are driven to reset.
Preferably, the reset piece comprises a first spring and a second spring, one end of the first spring is connected with the first roller set, the other end of the first spring is connected with the adjusting seat, one end of the second spring is connected with the second roller set, the other end of the second spring is connected with the adjusting seat, the first spring and the second spring are stretched when the first roller set and the second roller set are close to each other in the step 2), and the first spring and the second spring are released and drive the first roller set and the second roller set to be far away from each other and drive the swing rod to reset after the long tube is separated from the supporting device in the step 4).
Preferably, a first guide shaft is fixed on the first roller group, a second guide shaft is fixed on the second roller group, and the first guide shaft and the second guide shaft are both in sliding connection with the adjusting seat.
Preferably, the swing rod is hinged with the adjusting seat through a hinge shaft, a torsion spring is sleeved on the hinge shaft, one end of the torsion spring is connected with the hinge shaft, and the other end of the torsion spring is connected with the swing rod.
Preferably, the transmission assembly comprises a first rack, a second rack and a transmission gear, wherein the first rack and the second rack are oppositely arranged, the transmission gear is rotatably arranged on the adjusting seat, the transmission gear is positioned between the first rack and the second rack, the first rack and the second rack are respectively meshed with two sides of the transmission gear, the swing rod is in transmission connection with the transmission gear, in the step 2), when the swing rod swings, the swing rod drives the transmission gear to rotate, the transmission gear drives the first rack and the second rack to move, the first rack drives the first roller group to approach the second roller group, and the second rack drives the second roller group to approach the first roller group.
Preferably, the transmission assembly further comprises a first bevel gear and a second bevel gear, the swing rod is hinged with the adjusting seat through a hinge shaft, the first bevel gear is fixedly arranged on the hinge shaft, the second bevel gear is fixedly connected with the transmission gear, the first bevel gear is meshed with the second bevel gear, in the step 2), the first bevel gear is driven to rotate through the hinge shaft when the swing rod swings, the first bevel gear is driven to rotate through the second bevel gear, and the transmission gear drives the first roller group and the second roller group to be close to each other through a first rack and a second rack.
Preferably, the first rack, the second rack and the transmission gear are all installed in the adjusting seat.
The self-adaptive supporting device for the long tube comprises an adjusting seat, a first roller group, a second roller group and a transmission assembly, wherein the first roller group, the second roller group and the transmission assembly are arranged on the adjusting seat.
The technical scheme has the advantages that the method is suitable for long pipes with different specifications, in the centering and clamping process of the long pipes, the distance between the first roller set and the second roller set is adjusted through the gravity of the long pipes, external power is not required, the long pipes are not damaged due to overlarge force of the first roller set and the second roller set, the front side, the rear side and the center position of the lower side of the end parts of the long pipes are supported, the long pipes are clamped more stably, and in the middle position of the first roller and the second roller are recessed inwards, so that the axis of the end parts of the long pipes can be gradually overlapped with the axis positions of the middle position of the first roller and the axis positions of the second roller in the clamping process of the end parts of the long pipes, the axes of the long pipes with different specifications are located at the same height and the same position, and the heights of feeding shafts and feeding ends of the wheel molds are not required to be adjusted when the long pipes with different specifications are processed, and automatic production of the long pipes is facilitated.
Drawings
FIG. 1 is a schematic view of a support device mounted on a frame;
FIG. 2 is a schematic view of a supporting device;
FIG. 3 is a second schematic structural view of the support device;
FIG. 4 is a schematic diagram of a first roller set;
FIG. 5 is a schematic diagram of a second roller set;
FIG. 6 is a schematic view of a first structure of an adjusting seat;
FIG. 7 is a second schematic structural view of the adjusting seat;
FIG. 8 is a schematic diagram of a pendulum rod and transmission assembly;
fig. 9 is a schematic structural view of the swing link, the hinge shaft and the torsion spring.
Reference numeral 1, a first roller group; 11, a first installation seat, 12, a first roller, 13, a first avoiding groove, 14, a sliding groove, 15, a first threaded hole, 2, a second roller group, 21, a second installation seat, 22, a second roller, 23, a second avoiding groove, 24, an installation part, 25, a second threaded hole, 3, an adjusting seat, 31, a hinge lug, 32, a third connecting hole, 33, a first connecting hole, 34, a first limit groove, 35, a first guide hole, 36, a second connecting hole, 37, a second limit groove, 38, a second guide hole, 41, a first connecting seat, 411, a first rack, 412, a first connecting plate, 413, a first guide shaft, 42, a first spring, 421, a first positioning shaft, 43, a second connecting seat, 431, a second rack, 433, a second guide shaft, 44, a second spring, 441, a second positioning shaft, 45, a second bevel gear, 46, a hinge shaft, 47, a first bevel gear, 48, a swing link, 49, a torsion spring, 40, a transmission gear, 5, 6, a bending mechanism, 61, a feeding mechanism, a long pipe, a frame, a supporting mechanism, a frame, a feeding mechanism, and a frame 9.
Description of the embodiments
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The orientation of the following embodiment is shown in fig. 1, the position of the feeding mechanism is left, and the position of the bending mechanism is right, with the position of the frame being lower.
Example 1
1-3, The self-adaptive automatic supporting method of the long tube comprises a frame 5, a feeding mechanism 6, a bending mechanism 7 and a supporting device 9, wherein the feeding mechanism 6 is arranged on the frame 5, the feeding mechanism 6 is connected with one end of the long tube and can drive the long tube to move, the supporting device 9 comprises an adjusting seat 3, a first roller group and a second roller group are slidably arranged on the adjusting seat 3, the first roller group and the second roller group are oppositely arranged, a swinging rod 48 is hinged on the adjusting seat 3, one end of the swinging rod 48 is hinged with the adjusting seat 3, the other end of the swinging rod 48 is upwards tilted, the swinging rod 48 is positioned at a position between the first roller group and the second roller group, the swinging rod 48 is connected with a transmission component of the supporting device 9, the transmission component can drive the first roller group and the second roller group to move, the first roller group comprises a first roller 12 which is vertically arranged, the middle part of the first roller 12 is inwards recessed, the second roller group comprises a second roller 22 which is vertically arranged, the middle part of the second roller 22 is inwards recessed, and the middle part of the first roller 12 is inwards recessed in the middle part of the first roller group 8, and the middle part of the second roller group is clamped by the middle part 12 in the middle part 8 of the first roller group and the middle part 8
Step 1), adjusting the distance between a first roller group 1 and a second roller group 2 according to the pipe diameter of a long pipe 8, adjusting the swing of a swing rod 48, and inserting one end of the long pipe 8 into a feeding shaft 61 of a feeding mechanism 6;
Step 2) the feeding mechanism 6 drives the long tube 8 to move so that the long tube 8 passes through the supporting device 9, wherein the long tube 8 passes through between the first roller group 1 and the second roller group 2, the long tube 8 presses down one end of the swinging rod 48 through self gravity, the swinging rod 48 swings, the swinging rod 48 drives the first roller group 1 and the second roller group 2to approach each other, the long tube 8 can move towards the middle position of the first roller 12 and the second roller 22 along the concave outer wall of the first roller 12 and the second roller 22, the first roller group 1 and the second roller group 2 clamp the long tube 8, the front side, the rear side and the lower side of the long tube 8 are supported, and the part of the long tube 8 passing through the supporting device 9 can horizontally enter the bending mechanism 7 and is coaxial with the feeding part in the bending mechanism 7;
Step 3), continuing to move the long tube 8 limited by the supporting device 9 and inserting the long tube 8 into a wheel die clamping section of the bending mechanism 7;
Step 4) after the long tube 8 is processed, the swing rod 48 of the supporting device 9 loses pressure, the transmission assembly drives the swing rod 48 to reset and drives the first roller group 1 and the second roller group 2 to be far away from each other.
The method is suitable for long pipes 8 of different specifications, in the centering and clamping process of the long pipes 8, the distance between the first roller set 1 and the second roller set 2 is adjusted through the gravity of the long pipes 8, external power is not required, the long pipes 8 are not damaged due to overlarge force of the first roller set 1 and the second roller set 2, the central positions of the front side, the rear side and the lower side of the end parts of the long pipes 8 are supported, the long pipes 8 are clamped more stably, and secondly, the central positions of the first roller 12 and the second roller 22 are recessed inwards, so that the axial lines of the end parts of the long pipes 8 can be gradually overlapped with the central positions of the first roller 12 and the axial lines of the second roller 22 in the clamping process of the end parts of the long pipes 8, the axial lines of the long pipes 8 of different specifications are located at the same height and the same position, and the heights of feeding shafts and feeding ends of the wheel molds are not required to be adjusted when the long pipes 8 of different specifications are processed, and automatic production of the long pipes 8 is facilitated.
The self-adaptive automatic device for the long tube applying the method comprises a supporting device 9, wherein the supporting device 9 comprises an adjusting seat 3, a first roller set 1 and a second roller set 2 are slidably arranged on the adjusting seat 3, the first roller set 1 and the second roller set 2 are oppositely arranged, a swinging rod 48 is hinged to the adjusting seat 3, one end of the swinging rod 48 is hinged to the adjusting seat 3, the other end of the swinging rod 48 is upwards tilted, the swinging rod 48 is positioned at a position between the first roller set 1 and the second roller set 2, the swinging rod 48 is connected with a transmission component of the supporting device 9, the transmission component can drive the first roller set 1 and the second roller set 2 to move, the first roller set 1 comprises a first roller 12 which is vertically arranged, the middle part of the first roller 12 is inwards recessed, the second roller set 2 comprises a second roller 22 which is vertically arranged, and the middle part of the second roller 22 is inwards recessed. As shown in fig. 2, 4 and 5, the first roller set 1 includes a first mounting seat 11, the first roller 12 is rotatably mounted on the first mounting seat 11, the second roller set 2 includes a second mounting seat 21, the second rollers 22 are rotatably mounted on the second mounting seat 21, two first rollers 12 are provided, two first rollers 12 are arranged left and right, one second roller 22 is provided, and the second rollers 22 correspond to the middle positions of the two second rollers 22. This can simplify the structure of the device and maintain the stability of the clamping mechanism. Further preferably, as shown in fig. 2, 4 and 5, the second mounting seat 21 is provided with a mounting portion 24 in a protruding manner, the second threaded hole 25 is provided on the mounting portion 24, and the bottom of the first mounting seat 11 is provided with a sliding groove 14 matched with the second connecting seat 43, so that the stability of the relative movement of the first mounting seat and the second mounting seat can be further ensured.
As shown in fig. 3, 6 and 7, in this embodiment, a first connecting hole 33, a second connecting hole 36 and a third connecting hole 32 are formed at the top of the adjusting seat 3, the first connecting hole 33 and the second connecting hole 36 extend transversely, the first connecting hole 33 and the second connecting hole 36 are disposed front and back, the third connecting hole 32 is located between the first connecting hole 33 and the second connecting hole 36, and the third connecting hole 32 is communicated with the first connecting hole 33 and the second connecting hole 36; as shown in fig. 3 and 8, the bottom of the first mounting seat 11 is provided with a plurality of first threaded holes 15, the plurality of first threaded holes 15 are arranged in the front-back direction, a fastener is fixed at the bottom of the first mounting seat 11 through the plurality of first threaded holes 15, the bottom of the second mounting seat 21 is provided with a plurality of second threaded holes 25, the plurality of second threaded holes 25 are arranged in the front-back direction, the fastener is used for fixing the second connecting seat 43 at the bottom of the second mounting seat 21 through the plurality of second threaded holes 25, the first connecting seat 41 is matched with the first connecting hole 33 and is in sliding connection, the second connecting seat 43 is matched with the second connecting hole 36 and is in sliding connection, a first rack 411 is fixedly installed on the first connecting seat 41, a second rack 431 is fixedly installed on the second connecting seat 43, the first rack 411 is located in the first connecting hole 33, the second rack 431 is located in the second connecting hole 36, the first rack 411 and the second rack 431 are oppositely arranged, the third connecting hole 32 is rotatably provided with a transmission gear 40, and the transmission gear 40 is meshed with the third rack 431 and the transmission gear 40, and the transmission gear 40 extends out of the first rack 431 from the first connecting hole 40. So set up for drive assembly all installs in adjusting seat 3, makes the structure of device compacter, and makes the removal of first roller train 1 and second roller train 2 more stable. It is further preferred that the composition of the present invention,
In order to make the movement of the first roller set 1 and the second roller set 2 more stable, in this embodiment, the longitudinal interfaces of the first connecting hole 33 and the second connecting hole 36 are all in a shape of a letter "earth", so that the first connecting seat 41 and the second connecting seat 43 can be limited, and the stability of the lateral movement process of the first connecting seat 41 and the second connecting seat 43 is ensured.
Further preferably, as shown in fig. 6-8, the bottom of the first connecting seat 41 is fixedly provided with a first connecting plate 412, a first guiding shaft 413 extending back and forth is fixedly installed on the first connecting plate 412, a first limiting groove 34 is formed at the bottom of the first connecting hole 33, a first guiding hole 35 extending back and forth is formed in the first limiting groove 34, the first connecting plate 412 is inserted into the first limiting groove 34, the first guiding shaft 413 is inserted into the first guiding hole 35, a second connecting plate 432 is fixedly installed at the bottom of the second connecting seat 43, a second guiding shaft 433 extending back and forth is fixedly installed on the second connecting plate 432, a second limiting groove 37 is formed at the bottom of the second connecting hole 36, a second guiding hole 38 extending back and forth is formed in the second limiting groove 37, the second connecting plate 432 is inserted into the second limiting groove 37, and the second guiding shaft 433 is inserted into the second guiding hole 38. So set up, the mechanism for transmission and direction all sets up in adjusting seat 3 to the structure of hole and component is to matching, can further restrict the direction of movement of first connecting seat 41 and second connecting seat 43 like this, guarantees the stability of first roller train 1 and second roller train 2 motion.
In this embodiment, as shown in fig. 2,3 and 8, the transmission assembly further includes a first bevel gear 47 and a second bevel gear 45, as shown in fig. 6 and 7, two hinge lugs 31 are protruded on the adjusting seat 3, the two hinge lugs 31 are disposed in front and rear directions, the hinge lugs 31 are located between the first connection hole 33 and the second connection hole 36, the third connection hole 32 is located between the two hinge lugs 31, as shown in fig. 2, a hinge shaft 46 is rotatably mounted on the two hinge lugs 31, the swing rod 48 is hinged with the adjusting seat 3 through the hinge shaft 46, the swing rod 48 is fixedly connected with the hinge shaft 46, the first bevel gear 47 is fixedly mounted on the hinge shaft 46, the second bevel gear 45 is coaxial with the transmission gear 40 and fixedly connected with the first bevel gear 47 and the second bevel gear 45, in step 2), the swing rod 48 drives the first bevel gear 47 to rotate through the hinge shaft 46 when swinging, the first bevel gear drives the transmission gear 40 to rotate through the second bevel gear 45, and the transmission gear 40 drives the first rack 431 and the second rack 431 to approach the first roller set 1 through the second rack 431. The arrangement is that the swinging force of the swinging rod 48 can be directly transmitted to the first roller group 1 and the second roller group 2, and then the movement of the first roller group 1 and the second roller group 2 can be precisely controlled, and further preferably, as shown in fig. 2 and 9, a plurality of limit protrusions 481 are protruded on the side surface of the swinging rod 48, the limit protrusions 481 are arranged around the axis of the hinge shaft 46, a torsion spring 49 is sleeved on the hinge shaft 46, one supporting leg of the torsion spring 49 is propped against one limit protrusion 481, and the other supporting leg of the torsion spring 49 is propped against the second bevel gear 45. So set up, can offset with different spacing protruding 481 through adjusting torsional spring 49, and then adjust the holding power of pendulum rod 48 to the long tube 8 of different specifications, different wall thicknesses is matchd to better. As shown in fig. 2, 4 and 5, the front end of the first mounting seat 11 is provided with a first avoidance groove 13, the rear end of the second mounting seat 21 is provided with a second avoidance groove 23, and in the process of relative movement of the first mounting seat 11 and the second mounting seat 21, the hinge lug 31 on the adjusting seat can smoothly enter and exit the first avoidance groove 13 of the first mounting seat 11 and the second avoidance groove 23 of the second mounting seat 21, so that the supporting device can obtain a larger clamping range.
In this embodiment, as shown in fig. 3 and 8, the supporting device 9 further includes a reset member, in the step 2), when the first roller set 1 and the second roller set 2 approach each other, the reset member is made to accumulate force, in the step 4), when the long tube 8 is separated from the supporting device 9, the reset member is released, and drives the first roller set 1, the second roller 22 and the swing rod 48 to reset. By the arrangement, the first roller group 1 and the second roller group 2 synchronously move, and the running stability of the mechanism is improved. It is further preferred that the restoring member comprises a first spring 42 and a second spring 44, one leg of the first spring 42 being connected to the first connection seat 41, the other leg of the first spring 42 being connected to the first positioning shaft 421, the first positioning shaft 421 being fixed to the adjustment seat 3, one leg of the second spring 44 being connected to the second connection seat 43, the other leg of the second spring 44 being connected to the second positioning shaft 441, the second positioning shaft 441 being fixed to the adjustment seat 3, the first spring 42 and the second spring 44 being stretched when the first roller set 1 and the second roller set 2 are brought close to each other in step 2), and the first spring 42 and the second spring 44 being released and driving the first roller set 1 and the second roller set 2 to move away from each other and driving the swing link 48 to restore after the long tube 8 is separated from the supporting means 9 in step 4).
In this embodiment, when the device matches pipes of different specifications, the position of the first mounting seat 11 on the first connecting seat 41 is adjusted in advance, and the position of the second mounting seat 21 on the second connecting seat 43 is adjusted at the same time, so that the device can be matched with different pipes.
Example 2
In this way, because the pipe diameters of the same batch still have errors, and the supporting device adopts gear transmission, so the cooperation between the gears still has errors, and how to make the axis of the part of the long pipe extending from the supporting device and the clamping section of the wheel die keep coaxial is a problem to be solved by the embodiment.
In order to solve the above-mentioned problem, unlike in embodiment 1, in this embodiment, the swing link 48 is sleeved on the hinge shaft 46, a fourth connection hole is formed on the end surface of the first bevel gear 47, one leg of the torsion spring 49 is connected to the swing link 48, and the other leg of the torsion spring 49 is inserted into the connection hole of the first bevel gear 47.
After the swing rod 48 is driven to swing by the long tube, the swing rod 48 drives the first bevel gear 47 to rotate through the torsion spring 49, the first bevel gear 47 drives the transmission gear 40 to rotate through the second bevel gear 45, and the transmission gear 40 drives the first roller group 1 and the second roller group 2 to approach each other through the first rack 411 and the second rack 431. Therefore, when an error exists, the swing rod can be adaptively adjusted under the action of the torsion spring, so that the axis of the guide pipe, the bisector surface of the first roller, the bisector surface of the second roller and the bisector surface of the wheel group clamping section are positioned on the same plane, and the long pipe smoothly enters the wheel mold clamping section.
The rest of the structure in this embodiment is the same as that of embodiment 1.
Example 3
Unlike embodiment 1, in this embodiment, the swing rod 48 is sleeved on the hinge shaft 46, the swing rod 48 can slide along the axis of the hinge shaft 46, the swing rod 48 is fixedly provided with a positioning pin, and the first bevel gear 47 is provided with a plurality of positioning holes which are arranged around the axis of the hinge shaft. The swing rod 48 is provided with a threaded hole, and a bolt is connected to the threaded hole in a threaded manner.
When the device supports a pipe fitting, the pipe fitting is inserted between the first roller and the second roller, the first roller and the second roller are driven to mutually lean against shoulders, the pipe fitting is clamped between the middle position of the first roller 12 and the middle position of the second roller 22, the swing rod 48 is rotated to enable the swing rod 48 to lean against the bottom of the pipe fitting, the swing rod 48 is axially moved to enable a locating pin on the swing rod 48 to be inserted into a corresponding locating hole on the first bevel gear 47, a bolt is screwed to enable the bolt to lean against the hinge shaft, the swing rod 48 and the hinge shaft 46 are fixed, and the device can be matched with pipe fittings with more specifications through the arrangement.
Other structures in this embodiment are the same as those in embodiment 1.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the invention.
Claims (7)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114290261A (en) * | 2021-12-26 | 2022-04-08 | 江苏志达电子材料有限公司 | Automatic section bar butt joint fixing mechanism acting on electrical mechanical equipment |
| CN115070327A (en) * | 2022-08-22 | 2022-09-20 | 江苏恒械机械有限公司 | Mining structural part welding positioning device |
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| CN112454221A (en) * | 2021-01-26 | 2021-03-09 | 曹加会 | Mobile clamping device for processing main rod body of eyelid retractor for ophthalmologic operation |
| CN217194818U (en) * | 2021-12-16 | 2022-08-16 | 无锡播英动力科技有限公司 | Limiting device for turbine shaft production |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114290261A (en) * | 2021-12-26 | 2022-04-08 | 江苏志达电子材料有限公司 | Automatic section bar butt joint fixing mechanism acting on electrical mechanical equipment |
| CN115070327A (en) * | 2022-08-22 | 2022-09-20 | 江苏恒械机械有限公司 | Mining structural part welding positioning device |
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