CN114715638B

CN114715638B - Feeding mechanism for metal bar flaw detection equipment

Info

Publication number: CN114715638B
Application number: CN202210302955.7A
Authority: CN
Inventors: 张青; 鲍新城; 余虎; 贺文文
Original assignee: Jiangsu Tongheng Hi Tech Metals Co ltd
Current assignee: Jiangsu Tongheng Hi Tech Metals Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2023-01-24
Anticipated expiration: 2042-03-25
Also published as: CN114715638A

Abstract

The utility model relates to a feeding mechanism for metal bar flaw detection equipment, the field of the technique is carried to the bar is related to, it includes frame and base, the base sets up in the frame, it is connected with the delivery wheel that is used for carrying the bar to rotate in the frame, be provided with in the frame and be used for driving delivery wheel pivoted drive assembly, be provided with spacing wheel on the base, be provided with on the base and be used for driving spacing wheel removal and compress tightly the top push subassembly on the delivery wheel with the bar, be provided with in the frame and be used for carrying out spacing subassembly to the bar. This application has the effect that improves feeding mechanism and carry stability to the bar.

Description

Feeding mechanism for metal bar flaw detection equipment

Technical Field

The application relates to the field of bar conveying technology, in particular to a feeding mechanism for metal bar flaw detection equipment.

Background

Metal inspection is a method of inspecting internal defects of a metal article using a flaw detector. Internal defects are inspected and detected by a means, using ultrasonic waves or the like. When a metal bar is detected, a bar feeding mechanism is usually required to drive the bar to move, so that the detection process of the metal bar is completed.

Traditional bar feeding mechanism comes the centre gripping bar through two rows of gyro wheels from top to bottom, applys decurrent pressure to last row of gyro wheel through the cylinder, applys drive power to lower row of gyro wheel through the motor, realizes the transport of bar. In view of the above related technologies, the inventor finds that, in the feeding process, when an operator overlaps a bar on the lower row of rollers, the bar may move along the axial direction of the rollers, so that the upper row of rollers cannot clamp the bar on the lower row of rollers when moving downwards, and the stability of the bar in the conveying process is affected.

Disclosure of Invention

In order to improve the conveying stability of feeding mechanism to the bar, this application provides a feeding mechanism for metal bar flaw detection equipment.

The application provides a feeding mechanism for metal bar flaw detection equipment adopts following technical scheme:

the utility model provides a feeding mechanism for metal bar flaw detection equipment, includes frame and base, the base sets up in the frame, it is connected with the delivery wheel that is used for carrying the bar to rotate in the frame, be provided with in the frame and be used for driving delivery wheel pivoted drive assembly, be provided with spacing round on the base, be provided with on the base and be used for driving spacing round and remove and compress tightly the top push subassembly on the delivery wheel with the bar, be provided with in the frame and be used for carrying out spacing subassembly to the bar.

Through adopting above-mentioned technical scheme, the spacing wheel is in the state of keeping away from the delivery wheel under the initial condition, when needing to carry the bar through this mechanism, the operator need support the bar on the delivery wheel, then carry out the condition that spacing reduction bar from the delivery wheel landing to the bar through spacing subassembly, the top subassembly that pushes away is pushed away in the redriving drives spacing wheel and moves towards the delivery wheel, and compress tightly the bar on the delivery wheel, start drive arrangement at last and drive the delivery wheel and rotate, and then drive bar even shifting, be favorable to improving the stability that the bar was carried through this mode.

Optionally, the top pushes away the subassembly and includes first electric jar and top pushing seat, delivery wheel and spacing round all are provided with two, just spacing round and spacing round one-to-one, be provided with two first connecting rods on the base, first connecting rod and spacing round one-to-one, two the equal one end of first connecting rod articulates on the base, two the first connecting rod other end all rotates with the spacing round that corresponds to be connected, two it has the second connecting rod all to articulate through the pivot on the first connecting rod, pivot fixed connection is on the first connecting rod that corresponds, just the pivot is located between base and the spacing round that corresponds, two the second connecting rod all articulates with top pushing seat, first electric jar fixed connection is on the base, the piston rod of first electric jar is connected with top pushing seat.

Through adopting above-mentioned technical scheme, the operator controls first electric cylinder piston rod and stretches out for the top thrust bearing moves towards the frame direction, under the effect of second connecting rod, the one end that two first connecting rods are provided with spacing round of pulling is towards the frame direction upset, and the spacing round of this in-process moves towards the delivery wheel direction that corresponds, makes spacing round compress tightly the bar on two delivery wheels, in order to make things convenient for the delivery wheel to drive the steady transport of bar.

Optionally, be provided with the control lever on the piston rod of first electric jar, be provided with the sleeve on the top pushes away the seat, the control lever slides and runs through the sleeve, the one end that the control lever is close to first electric jar is provided with first limiting plate, the one end that first electric jar was kept away from to the control lever is provided with the second limiting plate, the cover of control lever is equipped with the spring between first limiting plate and sleeve, just spring fixed connection is on the sleeve.

Through adopting above-mentioned technical scheme, sleeve butt is on the second limiting plate under the initial condition, the control lever removes towards the frame direction under the effect of first electric jar, and two first connecting rods overturn towards the delivery wheel direction that corresponds gradually under the action of self gravity and the gravity of spacing wheel, until spacing wheel butt on the bar, first electric jar promotes the control lever and removes one section preset distance towards the frame direction, this in-process second limiting plate earlier with the spring butt, recompress one section distance of spring, make spacing wheel support the bar tightly on two delivery wheels. Through setting up the spring, to bar and real delivery wheel's impact force when buffering spacing round pushes down, reduce the condition that bar and delivery wheel damaged.

Optionally, the limiting assembly comprises a fixed plate and a movable plate, the fixed plate is arranged on the rack, the fixed plate is hinged to a driving rod through a rotating shaft, the driving rod is fixedly connected with the movable plate, the driving rod is rotatably connected with a roller, the rotating shaft is located between the movable plate and the roller, a vertical plate is arranged on a piston rod of the first electric cylinder, a guide groove used for pushing the roller to move is formed in the vertical plate, and two limiting rods used for limiting the overturning angle of the driving rod are further arranged on the fixed plate.

Through adopting above-mentioned technical scheme, riser and gyro wheel do not butt under the initial condition, and the fixed plate direction setting is kept away from to the removal board position, the riser removes towards the gyro wheel direction under the effect of first electric jar, this in-process, the riser is prior to the gyro wheel butt, then under the riser continuous movement effect, the guide way on the riser is seted up and is promoted the gyro wheel and remove gradually, and then drives the actuating lever upset, make the movable plate remove towards the fixed plate direction, and then the bar on the restriction two delivery wheels removes along the axis direction of delivery wheel.

Optionally, the fixed plate is connected with the rack through a lifting plate, the lifting plate is arranged on the rack in a sliding mode along the vertical direction, a second electric cylinder used for controlling the lifting plate to lift is arranged on the rack, a first baffle used for limiting the bar is arranged on the fixed plate, a first adjusting unit used for controlling the distance between the first baffle and the fixed plate is arranged on the fixed plate, a second baffle used for limiting the bar is arranged on the movable plate, and a second adjusting unit used for controlling the distance between the second baffle and the movable plate is arranged on the movable plate.

Through adopting above-mentioned technical scheme, the operator passes through the lifting plate of actuating lever control to go up and down, and then control fixed plate and movable plate lift to when adapting to the bar of this mechanism transport different diameters, the height position of bar axis changes. The first baffle and the second baffle are arranged, so that the limiting effect on the bar can be improved; the distance between the first baffle and the fixed plate is adjusted through the first adjusting unit, and the distance between the second baffle and the movable plate is adjusted through the second adjusting unit, so that the distance between the first baffle and the second baffle can be adjusted, the mechanism is further suitable for bars with different diameters, and the practical flexibility of the mechanism is improved.

Optionally, the first adjusting unit includes a first turning rod and a second turning rod, one end of the first turning rod is hinged to the fixing plate, the other end of the first turning rod is hinged to a first sliding seat, and the first sliding seat is slidably disposed on the first baffle; second upset pole one end articulates on first baffle, the other end of second upset pole articulates there is the second slide, the second slide slides and sets up on the fixed plate, be provided with the control panel on the second slide, it is provided with the screw rod to rotate on the lifter plate, screw rod and control panel threaded connection, the axis direction of screw rod is all parallel with the direction of sliding of first slide and second slide.

By adopting the technical scheme, an operator drives the control panel to move upwards by rotating the screw rod, so that the second sliding seat moves towards the direction of a hinge point of the first turnover rod and the fixed plate, and the first baffle moves away from the direction of the fixed plate under the linkage action of the first turnover rod and the second turnover rod; when the operator controls the screw rod to rotate reversely, the first baffle plate is enabled to move close to the direction of the fixed plate. The distance between the first baffle and the fixing plate is adjusted to meet the requirement of conveying bars with different diameters.

Optionally, the second adjusting unit includes a guide rod and an adjusting rod which are arranged on the second baffle, the guide rod and the adjusting rod are parallel to each other and penetrate through the movable plate, the movable plate is rotatably connected with a nut, and the nut is in threaded connection with the control rod.

Through adopting above-mentioned technical scheme, the operator drives the regulation pole through twisting the nut and removes, under the guide effect of guide bar for the second baffle is close to or keeps away from the movable plate, with the bar conveying requirement of adaptation different diameters.

Optionally, be provided with the crane in the frame, the base slides along vertical direction and sets up on the crane, it is connected with the lead screw to rotate on the crane, be provided with the lift seat on the base, lift seat and lead screw threaded connection, be provided with elevator motor on the crane, be provided with first speed reducer on elevator motor's the output shaft, the output shaft and the coaxial fixed connection of lead screw of first speed reducer.

Through adopting above-mentioned technical scheme, the operator starts elevator motor and makes the output shaft of first reducing gear box drive the lead screw and rotate, because lift seat and lead screw threaded connection, and the lift seat setting is on the base, and then the lift of control base to the transport requirement of the different diameter bars of adaptation improves the flexibility of this mechanism.

Optionally, the driving assembly includes a driving motor and a second speed reducer, the second speed reducer is disposed on the frame, an input shaft of the second speed reducer is coaxially and fixedly connected with an output shaft of the driving motor, an output shaft of the second speed reducer is coaxially provided with a driving rod, and the driving rod is coaxially and fixedly connected with the corresponding conveying wheel.

Through adopting above-mentioned technical scheme, the operator starts two driving motor and makes the output shaft that corresponds the second reduction gear drive the drive shaft synchronous rotation, and then makes two delivery wheel rotations, realizes the transport effect to the bar.

Optionally, the output shafts of the two second speed reducers are connected with corresponding drive shafts through couplers, the drive shafts are coaxially provided with first bevel gears, the rack is rotatably connected with linkage rods, two ends of each linkage rod are provided with second bevel gears used for controlling the two linkage rods to synchronously rotate, the first bevel gears are in one-to-one correspondence with the second bevel gears, and the first bevel gears are meshed with the corresponding second bevel gears.

By adopting the technical scheme, when one of the driving motors is damaged, an operator opens the coupling corresponding to the damaged motor, and the connection relation between the damaged motor and the corresponding driving shaft is removed; and then starting another driving motor and driving the corresponding driving shaft to rotate, and realizing synchronous rotation of the two driving shafts through the first bevel gear, the second bevel gear and the linkage rod, so that the two conveying wheels synchronously rotate, and realizing stable conveying of the bars.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first baffle and the second baffle limit the bar, so that the situation that the bar slides out of the conveying wheels when being axially moved along the conveying wheels when being received on the two conveying wheels is reduced, and the stability of the feeding mechanism in conveying the bar is improved;

2. impact force when the limiting wheel compresses the bar is buffered through the spring, the pushing seat is pushed to compress the bar through the elastic force of the spring, and the situation that the bar is abraded due to the fact that the first electric cylinder directly applies pressure to the bar is reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram for embodying a pushing assembly in an embodiment of the present application.

Fig. 3 is a schematic structural diagram for embodying a limiting assembly according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram for embodying the first adjusting unit in the embodiment of the present application.

Fig. 5 is a schematic structural diagram for embodying a control board according to an embodiment of the present application.

Description of reference numerals: 1. a frame; 11. a delivery wheel; 12. a first ring groove; 13. a limiting wheel; 14. a second ring groove; 15. a bar stock; 2. a lifting frame; 21. a base; 22. a slide rail; 23. a sliding seat; 24. a screw rod; 25. a lifting seat; 26. a first speed reducer; 27. a lifting motor; 3. a drive assembly; 31. a second speed reducer; 32. a drive motor; 33. a coupling; 34. a drive shaft; 35. a first bevel gear; 36. a second bevel gear; 37. a linkage rod; 4. a pushing assembly; 41. a first electric cylinder; 42. a first limit plate; 43. a control lever; 44. a rotating shaft; 45. a second limiting plate; 46. a first link; 47. a second link; 5. a sleeve; 51. pushing the base; 52. a spring; 53. a collar; 6. a limiting component; 61. a fixing plate; 62. a lifting plate; 63. a support plate; 64. a second electric cylinder; 65. a rotating shaft; 66. a drive rod; 67. moving the plate; 7. a roller; 71. a vertical plate; 72. a guide groove; 73. a limiting rod; 74. a first baffle plate; 75. a second baffle; 76. a groove; 8. a first adjusting unit; 81. a screw; 82. a control panel; 83. a guide post; 84. a first turning bar; 85. a first slider; 86. a second turning bar; 87. a second slide; 88. a limiting shaft; 89. a push rod; 9. a second adjusting unit; 91. a guide bar; 92. adjusting a rod; 93. and a nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a feeding mechanism for metal bar flaw detection equipment. As shown in fig. 1, the feeding mechanism for the metal bar flaw detection equipment comprises: including setting up cuboid frame 1 subaerial, rotate on the 1 up end of frame and be connected with two delivery wheels 11, the axis direction of two delivery wheels 11 all is parallel with the width direction of frame 1. The first ring grooves 12 used for limiting the bar 15 are formed in the circumferential surfaces of the two conveying wheels 11, and the driving assembly 3 used for controlling the rotation of the conveying wheels 11 is arranged on the machine frame 1 corresponding to the positions of the two conveying wheels 11. The frame 1 is fixedly connected with crane 2 along one side of self width direction, is provided with base 21 on the crane 2. Two limiting wheels 13 are rotatably arranged below the base 21, the axial directions of the two limiting wheels 13 are parallel to the width direction of the rack 1, second annular grooves 14 used for limiting the bars 15 are formed in the circumferential surfaces of the two limiting wheels 13, the limiting wheels 13 correspond to the conveying wheels 11 one by one, and the base 21 is provided with a pushing assembly 4 used for controlling the two limiting wheels 13 to enable the bars 15 to be tightly abutted to the corresponding conveying wheels 11. The frame 1 is also provided with a limiting component 6 for preventing the bar 15 from sliding out of the first ring groove 12 and the second ring groove 14.

The driving assembly 3 comprises two second speed reducers 31 arranged on the upper surface of the frame 1, the second speed reducers 31 correspond to the conveying wheels 11 one by one, the upper end surfaces of the two second speed reducers 31 are fixedly connected with driving motors 32, and output shafts of the driving motors 32 are coaxially and fixedly connected with input shafts of the corresponding second speed reducers 31. The output shafts of the two second speed reducers 31 are coaxially and fixedly connected with driving shafts 34 through couplers 33, and the axial directions of the two driving shafts 34 are parallel to the width direction of the rack 1. The two driving shafts 34 coaxially penetrate through the corresponding conveying wheels 11, the conveying wheels 11 are coaxially and fixedly connected with the corresponding driving shafts 34, and the two driving shafts 34 are rotatably connected to the upper surface of the machine frame 1. The end, far away from the corresponding coupler 33, of each of the two driving shafts 34 is coaxially and fixedly connected with a first bevel gear 35, a linkage rod 37 is arranged between the two driving shafts 34, and the axial direction of the linkage rod 37 is parallel to the length direction of the rack 1. Two ends of the linkage rod 37 are coaxially and fixedly connected with second bevel gears 36, the first bevel gears 35 correspond to the second bevel gears 36 one by one, and the first bevel gears 35 are meshed with the corresponding second bevel gears 36, so that the two driving shafts 34 can synchronously rotate.

Under the normal working state, the two driving motors 32 control the corresponding second speed reducers 31 to drive the corresponding driving shafts 34 to rotate, and the two conveying wheels 11 are enabled to rotate synchronously. When one of the drive motors 32 is damaged, the operator disconnects the coupling 33 corresponding to the damaged drive motor 32, so that the damaged drive motor 32 is disconnected from the corresponding drive shaft 34. When another driving motor 32 is started, the driving motor 32 drives the corresponding driving shaft 34, the conveying wheels 11 and the first gear to rotate, and the first bevel gear 35 on the driving shaft 34 is in meshing transmission with the corresponding second bevel gear 36, so that the linkage rod 37 rotates, and under the transmission action of another group of the first bevel gear 35 and the second bevel gear 36, the two driving shafts 34 realize synchronous rotation, so that the two conveying wheels 11 synchronously rotate, and the improvement of the conveying stability of the bar stock 15 is facilitated.

Two slide rails 22 of vertical fixedly connected with on the crane 2, and two slide rails 22 set up along the length direction interval of frame 1, and base 21 corresponds two slide rails 22 equal fixedly connected with sliding seat 23 in position, and sliding seat 23 slides along vertical direction and sets up on the slide rail 22 that corresponds for base 21 slides along vertical direction and sets up on crane 2. The lifting frame 2 is rotatably connected with a screw rod 24, the base 21 is fixedly connected with a lifting seat 25 towards one side of the lifting frame 2, and the screw rod 24 penetrates through the lifting seat 25 and is in threaded connection with the lifting seat 25. The first speed reducer 26 of crane 2 up end fixedly connected with, and the output shaft of first speed reducer 26 and the coaxial fixed connection of lead screw 24, the upper end fixedly connected with mounting panel of crane 2, and fixedly connected with elevator motor 27 on the mounting panel, and elevator motor 27's output shaft run through the mounting panel and with the coaxial fixed connection of input shaft of first speed reducer 26.

The operator starts elevator motor 27 and makes first speed reducer 26 drive screw rod 81 rotate, because screw rod 81 and lift seat 25 threaded connection, and lift seat 25 and base 21 fixed connection, and then realize lift seat 25 and spacing round 13 and go up and down, realize spacing round 13 and correspond the interval between the delivery wheel 11 and adjust to the adaptation is carried the bar 15 of different diameters, improves this feeding mechanism's use flexibility.

As shown in fig. 2, the pushing assembly 4 includes a first electric cylinder 41 vertically and fixedly connected to the upper surface of the base 21, an output shaft of the first electric cylinder 41 slides downward to penetrate through the base 21, an output shaft of the first electric cylinder 41 penetrates through a coaxial vertical fixedly connected control rod 43 at one end of the base 21, an upper end of the control rod 43 is fixedly connected with a first limiting plate 42, and a lower end of the control rod 43 is fixedly connected with a second limiting plate 45. The control rod 43 is slidably sleeved with a sleeve 5 along the vertical direction between the first limiting plate 42 and the second limiting plate 45, a rectangular pushing seat 51 is fixedly connected to the sleeve 5, and the length direction of the pushing seat 51 is parallel to the length direction of the rack 1. The control rod 43 is sleeved with a spring 52 between the sleeve 5 and the first limit plate 42, the spring 52 is fixedly connected to the upper end face of the sleeve 5, a lantern ring 53 is fixedly connected to the upper end of the spring 52, and the lantern ring 53 is slidably sleeved on the control rod 43 in the vertical direction.

The pushing assembly 4 further includes two first links 46 disposed below the base 21, the first links 46 correspond to the limiting wheels 13 one by one, and the two first links 46 are disposed in a crossing manner. Two first connecting rod 46 upper ends all articulate the lower surface at base 21, and two spacing wheels 13 all rotate the lower extreme of connecting at first connecting rod 46. Two first connecting rods 46 are close to the intermediate position and all are provided with second connecting rod 47, and two equal one end of second connecting rod 47 and the first connecting rod 46 that corresponds are articulated through pivot 44, and two equal fixed connection of pivot 44 are in the intermediate position that is close to that corresponds first connecting rod 46, and top pushing seat 51 is located between two second connecting rods 47, and the one end that pivot 44 was kept away from to second connecting rod 47 all articulates on top pushing seat 51, and two second connecting rods 47 set up about control lever 43 symmetry. When the pushing base 51 moves downwards, the two second connecting rods 47 are driven to move downwards simultaneously, and then one ends of the two first connecting rods 46 close to the limiting wheels 13 are pulled to turn downwards simultaneously, so that the two limiting wheels 13 are pressed on the bars 15; when the pushing base 51 moves upwards, the two limiting wheels 13 are reset simultaneously under the action of the first connecting rod 46 and the second connecting rod 47.

The piston rod of the first electric cylinder 41 is in a contracted state in an initial state, the second limit plate 45 is abutted against the lower end face of the sleeve 5, and at the moment, the two limit wheels 13 are both far away from the corresponding conveying wheels 11. The operator inserts the bar 15 between the limiting wheel 13 and the conveying wheels 11 and enables the bar 15 to be received in the first ring grooves 12 of the two conveying wheels 11. Then, the first electric cylinder 41 is started to drive the control rod 43 to move downwards, and one ends of the two first connecting rods 46 close to the limiting wheels 13 turn downwards under the action of gravity, so that the two limiting wheels 13 are abutted against the bar 15. The first electric cylinder 41 drives the control rod 43 to move downwards continuously for a preset distance, so that the second limiting plate 45 is separated from the sleeve 5, the first limiting plate 42 moves towards the sleeve 5, the first limiting plate 42 is firstly abutted to the lantern ring 53 in the process, then the spring 52 is pushed to overcome the elastic force of the spring 52 to continuously move downwards for a certain distance, the elastic force of the spring 52 applies downward pushing force to the ejection seat 51, and under the action of the first connecting rod 46 and the second connecting rod 47, the bar 15 is tightly pressed on the two conveying wheels 11 by the two limiting wheels 13. The spring 52 plays a role in buffering in the process, so that the situation that the bar 15 and the two conveying wheels 11 are damaged due to overlarge impact force when the first electric cylinder 41 drives the two limiting wheels 13 to press downwards is reduced; on the other hand, by arranging the spring 52, the spring 52 pushes the two limiting wheels 13 to press the bar 15 on the conveying wheel 11, so that the condition that the bar 15 is damaged due to the fact that the first electric cylinder 41 directly applies overlarge pressure to the two limiting wheels 13 is reduced.

After the bar 15 is conveyed, the operator starts the first electric cylinder 41 to reset, drives the control rod 43 to move upwards to reset, in the process, the control rod 43 moves upwards to reset, so that the second limiting plate 45 is gradually close to the sleeve 5, the first limiting plate 42 is gradually far away from the sleeve 5, and the thrust action of the first limiting plate 42 on the spring 52 is gradually released, so that the spring 52 is gradually reset. After the spring 52 is reset, the control rod 43 continues to be lifted, so that the first limit plate 42 and the collar 53 are gradually far away, and the second limit plate 45 abuts against the sleeve 5 and drives the sleeve 5 and the pushing seat 51 to move upwards. The pushing base 51 moves upwards, so that the two limiting wheels 13 gradually move upwards and return under the action of the first connecting rod 46 and the second connecting rod 47.

As shown in fig. 3, the limiting component 6 includes two fixing plates 61 vertically disposed, each fixing plate 61 is rectangular, the lower ends of the two fixing plates 61 are fixedly connected to each other through a lifting plate 62, and the lifting plate 62 is slidably disposed in the rack 1 along the vertical direction. A support plate 63 is horizontally arranged below the lifting plate 62, the support plate 63 is fixedly connected in the machine frame 1, a second electric cylinder 64 is vertically and fixedly connected to the lower surface of the support plate 63, and a piston rod of the second electric cylinder 64 upwards penetrates through the support plate 63 and is fixedly connected with the lifting plate 62.

As shown in fig. 3 and 4, a rotation shaft 65 is fixedly connected between the two fixing plates 61, and an axial direction of the rotation shaft 65 is parallel to a longitudinal direction of the frame 1. The rotation is connected with two actuating levers 66 that are parallel to each other on the axis of rotation 65, and two actuating levers 66 all are located between two fixed plates 61, and two actuating levers 66 set up along the axis direction interval of axis of rotation 65, and the upper end of two actuating levers 66 sets up towards the direction slope of keeping away from crane 2, and two actuating levers 66 keep away from crane 2's one end and be provided with movable plate 67, movable plate 67 and two actuating levers 66 equal fixed connection. The roller 7 is further rotatably connected between the two driving rods 66, the axial direction of the roller 7 is parallel to the axial direction of the rotating shaft 65, the roller 7 is located at one end of the two driving rods 66 far away from the moving plate 67, and the rotating shaft 65 is located between the roller 7 and the moving plate 67. Vertical fixed connection riser 71 of the lower terminal surface of control lever 43, the guide way 72 that has been seted up to the lower extreme of riser 71, the last cell wall slope setting of guide way 72 is used for leading to gyro wheel 7, when gyro wheel 7 remove to deviate from one side butt of crane 2 with riser 71, the vertical setting of movable plate 67, bar 15 is located between fixed plate 61 and the movable plate 67, and all leave the clearance between fixed plate 61 and the movable plate 67 and bar 15.

The upper side and the lower side of the control rod 43 are provided with limiting rods 73 for limiting the turning angle of the driving rod 66, the two limiting rods 73 are fixedly connected between the two fixing plates 61, when the driving rod 66 abuts against the limiting rods 73 above, the moving plate 67 is in a vertical state, and when the driving rod 66 abuts against the limiting rods 73 below, the moving plate 67 inclines towards the direction away from the fixing plates 61.

When the bar 15 is conveyed, the fixed plate 61 and the moving plate 67 limit the bar 15. In the initial state, the moving plate 67 is away from the fixed plate 61, and both the driving rods 66 abut against the lower limit rod 73, and at this time, the vertical plate 71 is located right above the roller 7. After the operator moves the bar 15 to the two conveying wheels 11, the operator first starts the second electric cylinder 64 to drive the lifting plate 62 to move in the vertical direction, so that the fixed plate 61 and the moving plate 67 on the lifting plate 62 move in the vertical direction until the bar 15 is located between the moving plate 67 and the fixed plate 61. Then the first electric cylinder 41 is started to drive the control rod 43 and the vertical plate 71 to move downwards, so that the roller 7 and the upper groove wall of the guide groove 72 of the vertical plate 71 are close to each other to abut against each other, after the roller 7 abuts against the upper groove wall of the guide groove 72, the first electric cylinder 41 drives the vertical plate 71 to move downwards continuously, so that the roller 7 moves away from the direction of the lifting frame 2 under the action of the upper groove wall of the guide groove 72, under the action of the driving rod 66, the moving plate 67 gradually moves towards the two fixing plates 61, and when the roller 7 passes over the upper groove wall of the guide groove 72 and moves to abut against the groove wall of the vertical plate 71 away from the lifting frame 2, the moving plate 67 is vertically arranged. The bar stock 15 is limited by the moving plate 67 and the two fixing plates 61, so that the bar stock 15 is prevented from being separated from the two conveying wheels 11.

The two fixing plates 61 are provided with first baffles 74 on the sides facing the bar 15, and the lifting plate 62 is provided with a first adjusting unit 8 for controlling the distance between the two first baffles 74 and the bar 15. A second baffle 75 is arranged on the side of the moving plate 67 facing the bar 15, and a second adjusting unit 9 for controlling the distance between the second baffle 75 and the bar 15 is arranged on the moving plate 67. The opposite surfaces of the first baffle 74 and the second baffle 75 are provided with grooves 76 for preventing the bar 15 from deviating, and the cross sections of the grooves 76 are V-shaped.

As shown in fig. 4 and 5, the first adjusting unit 8 rotates a screw 81 connected to the upper surface of the lifting plate 62, the screw 81 is vertically arranged, a rectangular control plate 82 is horizontally arranged above the first lifting plate 62, the length direction of the control plate 82 is parallel to the length direction of the frame 1, and the screw 81 is screwed on the control plate 82. The control panel 82 is along the equal vertical fixedly connected with guide post 83 in self length direction's both ends, and two guide posts 83 all are located the lower surface of control panel 82, and screw rod 81 is located between two guide posts 83, and two guide posts 83 all slide downwards and run through lifter plate 62. The operator moves the control plate 82 in the vertical direction by turning the screw 81.

Two first turnover rods 84 and one second turnover rod 86 are arranged between the two first baffle plates 74 and the corresponding fixing plates 61. Between first baffle 74 and the fixed plate 61 that corresponds, two first upset poles 84 are parallel to each other and the slope sets up, and the upper end of two first upset poles 84 all articulates on fixed plate 61, and the lower extreme of two first upset poles 84 all articulates there is first slide 85, and two first slides 85 all slide along vertical direction and set up the one side that deviates from bar 15 at the first baffle 74 that corresponds. The second turnover rod 86 is located between the two corresponding first turnover rods 84, the second turnover rod 86 and the two first turnover rods 84 are arranged in a crossed mode, the upper end of the second turnover rod 86 is hinged to one side, away from the bar 15, of the first baffle 74, the lower end of the second turnover rod 86 is hinged to a second sliding seat 87, and the second sliding seat 87 is arranged on the corresponding fixing plate 61 in a sliding mode in the vertical direction.

The middle position of the first turnover rod 84 is fixedly connected with a limiting shaft 88, the two second turnover rods 86 are rotatably connected to the limiting shaft 88, the limiting shaft 88 is located in the middle position corresponding to the second turnover rods 86, and the distance between the hinge axes at the two ends of the first turnover rod 84 is equal to the distance between the hinge axes at the two ends of the second turnover rod 86. Two second slide 87 all run through corresponding fixed plate 61 along the width direction of frame 1, and control panel 82 corresponds two second slide 87 equal fixedly connected with push rod 89 in position, push rod 89 and the second slide 87 fixed connection that corresponds.

The operator drives control panel 82 vertical movement through rotating screw 81, makes two second slides 87 along vertical movement under the effect of push rod 89, and then drives the upset of the first upset pole 84 that corresponds for the interval between two first baffles 74 and the bar 15 changes, makes things convenient for the operator to adjust the position of first baffle 74 according to the diameter of bar 15.

The second adjusting unit 9 comprises a guide rod 91 and an adjusting rod 92 fixedly connected to one side of the second baffle 75 facing the rack 1, the guide rod 91 and the adjusting rod 92 are parallel to each other, and the axes of the guide rod 91 and the adjusting rod 92 are perpendicular to the plane of the moving plate 67. The guide rod 91 and the adjusting rod 92 both slide and penetrate through the moving plate 67, threads are arranged on the circumferential surface of the adjusting rod 92, a nut 93 is connected to one end, penetrating through the moving plate 67, of the adjusting rod 92 in a threaded manner, and the nut 93 is rotatably connected to one side, departing from the second baffle 75, of the moving plate 67. An operator can move the adjusting rod 92 along the axial direction of the operator by screwing the nut 93, so that the distance between the second baffle 75 and the moving plate 67 can be adjusted, and the operator can adjust the position of the second baffle 75 conveniently according to the diameter of the bar 15.

The implementation principle of the embodiment of the application is as follows: before an operator conveys the bar 15 through the feeding mechanism, the lifting motor 27 is started to drive the screw rod 24 to rotate, the control base 21 is lifted, and then the operator stretches the bar 15 to the two conveying wheels 11, so that the bar 15 is positioned above the two conveying wheels 11 and supported in the first ring grooves 12 of the two conveying wheels 11. Then, an operator controls the second electric cylinder 64 to adjust the relative height between the second baffle 75 and the axis of the bar 15 according to the diameter of the bar 15, then screws the screw 81 to drive the control board 82 and the two second sliders 87 to move vertically to adjust the distance between the second baffle 75 and the bar 15, then the operator turns the moving plate 67 so that the driving rod 66 abuts against the upper limiting rod 73, at this time, the moving plate 67 is in a vertical state, the operator judges the distance between the first baffle 74 and the bar 15, and screws the nut 93 to adjust the distance between the first baffle 74 and the bar 15. Finally, the operator controls the lifting motor 27 to drive the base 21 to descend to a proper position according to the diameter of the bar 15.

After the debugging of the feeding mechanism is completed, the operator starts the first electric cylinder 41 to drive the control rod 43 to descend for a preset distance, in the process, one ends of the two first connecting rods 46, which are close to the limit wheels 13, move downwards along with the pushing seats 51 under the action of gravity until the two limit wheels 13 are abutted to the bar 15, the control rod 43 continues to descend, so that the first limiting plate 42 applies downward pushing force to the lantern ring 53, the spring 52 is compressed, the elastic force of the spring 52 applies downward acting force to the pushing seats 51, and the two limit wheels 13 are driven to be tightly pressed on the bar 15. Before two spacing wheels 13 butt on bar 15, control lever 43 drives riser 71 when moving down and moves down, under the guide effect of cell wall on guide way 72, riser 71 promotes gyro wheel 7 and moves towards keeping away from crane 2 direction, and then makes movable plate 67 overturn towards bar 15 direction, when gyro wheel 7 moved to riser 71 and deviates from one side of crane 2, actuating lever 66 and the gag lever post 73 butt of top, movable plate 67 was in vertical state this moment, first baffle 74 and the cooperation of second baffle 75, the realization is spacing to bar 15. In the process of continuously moving the vertical plate 71 downwards, the roller 7 is always abutted to one side of the vertical plate 71, which is far away from the lifting frame 2. Finally, the operator starts the two driving motors 32 to drive the two conveying wheels 11 to synchronously rotate, so that the stable conveying of the bar 15 is realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a feeding mechanism for metal bar flaw detection equipment which characterized in that: the device comprises a rack (1) and a base (21), wherein the base (21) is arranged on the rack (1), a conveying wheel (11) for conveying a bar (15) is connected to the rack (1) in a rotating mode, a driving assembly (3) for driving the conveying wheel (11) to rotate is arranged on the rack (1), a limiting wheel (13) is arranged on the base (21), a pushing assembly (4) for driving the limiting wheel (13) to move and pressing the bar (15) onto the conveying wheel (11) is arranged on the base (21), and a limiting assembly (6) for limiting the bar (15) is arranged on the rack (1);

the pushing assembly (4) comprises a first electric cylinder (41) and a pushing seat (51), the number of the conveying wheels (11) and the number of the limiting wheels (13) are two, the conveying wheels (11) correspond to the limiting wheels (13) one by one, two first connecting rods (46) are arranged on the base (21), the first connecting rods (46) correspond to the limiting wheels (13) one by one, the uniform ends of the two first connecting rods (46) are hinged to the base (21), the other ends of the two first connecting rods (46) are rotatably connected with the corresponding limiting wheels (13), the two first connecting rods (46) are hinged to second connecting rods (47) through rotating shafts (44), the rotating shafts (44) are fixedly connected to the corresponding first connecting rods (46), the rotating shafts (44) are located between the base (21) and the corresponding limiting wheels (13), the two second connecting rods (47) are hinged to the pushing seat (51), the first electric cylinder (41) is fixedly connected to the base (21), and the piston rod (51) of the first electric cylinder is connected to the pushing seat (51);

a control rod (43) is arranged on a piston rod of the first electric cylinder (41), a sleeve (5) is arranged on the pushing seat (51), the control rod (43) penetrates through the sleeve (5) in a sliding mode, a first limiting plate (42) is arranged at one end, close to the first electric cylinder (41), of the control rod (43), a second limiting plate (45) is arranged at one end, far away from the first electric cylinder (41), of the control rod (43), a spring (52) is sleeved between the first limiting plate (42) and the sleeve (5) of the control rod (43), and the spring (52) is fixedly connected to the sleeve (5);

the limiting assembly (6) comprises a fixed plate (61) and a moving plate (67), the fixed plate (61) is arranged on the rack (1), the fixed plate (61) is hinged with a driving rod (66) through a rotating shaft (65), the driving rod (66) is fixedly connected with the moving plate (67), the driving rod (66) is connected with a roller (7) in a rotating mode, the rotating shaft (65) is located between the moving plate (67) and the roller (7), a vertical plate (71) is arranged on a piston rod of the first electric cylinder (41), a guide groove (72) used for pushing the roller (7) to move is formed in the vertical plate (71), and two limiting rods (73) used for limiting the turning angle of the driving rod (66) are further arranged on the fixed plate (61);

fixed plate (61) are connected with frame (1) through lifter plate (62), lifter plate (62) slide along vertical direction and set up in frame (1), be provided with second electric cylinder (64) that are used for controlling lifter plate (62) to go up and down on frame (1), be provided with first baffle (74) that are used for spacing bar (15) on fixed plate (61), be provided with first regulating unit (8) that are used for controlling distance between first baffle (74) and fixed plate (61) on fixed plate (61), be provided with second baffle (75) that are used for spacing bar (15) on movable plate (67), be provided with second regulating unit (9) that are used for controlling distance between second baffle (75) and movable plate (67) on movable plate (67).

2. The feeding mechanism for the metal bar flaw detection equipment as recited in claim 1, wherein: the first adjusting unit (8) comprises a first turnover rod (84) and a second turnover rod (86), one end of the first turnover rod (84) is hinged to the fixing plate (61), the other end of the first turnover rod (84) is hinged to a first sliding seat (85), and the first sliding seat (85) is arranged on the first baffle plate (74) in a sliding mode; second upset pole (86) one end articulates on first baffle (74), the other end of second upset pole (86) articulates there is second slide (87), second slide (87) slide and set up on fixed plate (61), be provided with control panel (82) on second slide (87), it is provided with screw rod (81) to rotate on lifter plate (62), screw rod (81) and control panel (82) threaded connection, the axis direction of screw rod (81) is all parallel with the direction of sliding of first slide (85) and second slide (87).

3. The feeding mechanism for the metal bar flaw detection equipment as set forth in claim 1, wherein: the second adjusting unit (9) comprises a guide rod (91) and an adjusting rod (92) which are arranged on the second baffle (75), the guide rod (91) and the adjusting rod (92) are parallel to each other and penetrate through the moving plate (67), a nut (93) is connected to the moving plate (67) in a rotating mode, and the nut (93) is in threaded connection with the control rod (43).

4. The feeding mechanism for the metal bar flaw detection equipment as set forth in claim 1, wherein: be provided with crane (2) on frame (1), base (21) slide along vertical direction and set up on crane (2), it is connected with lead screw (24) to rotate on crane (2), be provided with lift seat (25) on base (21), lift seat (25) and lead screw (24) threaded connection, be provided with elevator motor (27) on crane (2), be provided with first speed reducer (26) on the output shaft of elevator motor (27), the output shaft and the coaxial fixed connection of lead screw (24) of first speed reducer (26).

5. The feeding mechanism for the metal bar flaw detection equipment as set forth in claim 1, wherein: the driving assembly (3) comprises a driving motor (32) and a second speed reducer (31), the second speed reducer (31) is arranged on the rack (1), an input shaft of the second speed reducer (31) is coaxially and fixedly connected with an output shaft of the driving motor (32), a driving rod (66) is coaxially arranged on the output shaft of the second speed reducer (31), and the driving rod (66) is coaxially and fixedly connected with the corresponding conveying wheel (11).

6. The feeding mechanism for the metal bar flaw detection equipment as set forth in claim 5, wherein: two the output shaft of second speed reducer (31) all passes through shaft coupling (33) with corresponding drive shaft (34) and is connected, two all coaxial first bevel gear (35) that is provided with on drive shaft (34), it is connected with gangbar (37) to rotate on frame (1), gangbar (37) both ends all are provided with and are used for controlling two gangbar (37) synchronous rotation's second bevel gear (36), first bevel gear (35) and second bevel gear (36) one-to-one, first bevel gear (35) and second bevel gear (36) intermeshing that corresponds.