Inner pipe equidistant conveying and positioning device

Abstract

The utility model relates to the field of automatic conveying of pipe fittings, in particular to an inner pipe equidistant conveying and positioning device. An inner pipe equidistant conveying and positioning device is characterized by comprising a conveying mechanism, a relay mechanism and a fixing mechanism. The conveying mechanism is used for conveying the inner pipe forwards; the relay mechanism is used for adjusting the distance between the adjacent inner pipes and continuously conveying the inner pipes to the fixing mechanism; the fixing mechanism comprises an inflatable shaft used for receiving and fixing the inner pipe. The inner pipes are conveyed to the relay mechanism through the conveying mechanism, and after the distance between every two adjacent inner pipes is adjusted through the relay mechanism, the inner pipes continue to be conveyed forwards and fixed to the air expansion shaft of the fixing mechanism. Due to the fact that installation is carried out after the intervals of the multiple inner pipes are completed at a time in the action process, the efficiency is higher than that of fixing the inner pipes to the air expansion shaft one by one.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of pipe automation conveying, in particular to an inner pipe equidistant conveying positioning device. BACKGROUND

[0002] The center of the label roll adopts an inner pipe as the roll core. In order to avoid the connected material from being wound on the adjacent inner pipe when the inner pipe is arranged and wound on the air inflation shaft, the adjacent inner pipes need to be arranged at an interval of 2mm. The prior art is to convey the inner pipe by the gripper multiple times, and the position of the inner pipe is controlled each time to achieve that the adjacent inner pipes are arranged at an interval of 2mm and fixed on the air inflation shaft.

[0003] For the related technology in the above, the applicant believes that there is a defect that the equipment operation efficiency is low. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the efficiency of conveying the inner pipe and fixing the interval on the air inflation shaft, the present application provides an inner pipe equidistant conveying positioning device.

[0005] The present application provides an inner pipe equidistant conveying positioning device, which adopts the following technical scheme:

[0006] An inner pipe equidistant conveying positioning device, comprising a conveying mechanism, a relay mechanism and a fixing mechanism.

[0007] The conveying mechanism is used for conveying the inner pipe forward.

[0008] The relay mechanism is used for adjusting the interval of the adjacent inner pipes and continuing to convey to the fixing mechanism.

[0009] The fixing mechanism comprises an air inflation shaft for receiving and fixing the inner pipe.

[0010] By adopting the above technical scheme, the inner pipe is conveyed to the relay mechanism by the conveying mechanism, and after the interval of the adjacent inner pipes is adjusted by the relay mechanism, the inner pipe is continued to be conveyed forward and fixed on the air inflation shaft of the fixing mechanism. Since the action process is to complete the interval of multiple inner pipes at one time and then install, the efficiency is higher than that of fixing the inner pipe on the air inflation shaft one by one.

[0011] Preferably, the relay mechanism comprises a relay rack, a movable frame located above the relay rack, a gripper assembly located on the movable frame for clamping the inner pipe and adjusting the interval, and a power assembly for driving the movable frame to move.

[0012] By adopting the above technical scheme, the inner pipe is respectively grabbed and the interval is adjusted by the gripper assembly, and then the inner pipe is sleeved on the air inflation shaft by driving the movable frame to move to the air inflation shaft direction by the power assembly.

[0013] Preferably, the upper surface of the relay rack is formed with a feeding groove, a limiting cylinder is installed on the end face of the movable rack at the end of the feeding groove away from the conveying mechanism, and a limiting plate driven by the limiting cylinder is installed on the end face of the movable rack at the end of the feeding groove away from the conveying mechanism.

[0014] By adopting the above technical scheme, the feeding groove is arranged to receive the inner tubes, and the limiting plate is arranged to abut against the inner tubes, so that the plurality of inner tubes are arranged in a compact manner, and when the inner tubes are conveyed to the fixing mechanism, the limiting plate can be controlled to be separated from the feeding groove by the limiting cylinder.

[0015] Preferably, the conveying mechanism comprises a conveying rack, a conveying belt arranged on the conveying rack, and a first driving motor serving as a power source of the conveying belt; the bottom surface of the feeding groove is an arc surface with the same diameter as the inner tube, and the height of the bottom surface of the feeding groove is lower than the height of the upper surface of the conveying belt.

[0016] By adopting the above technical scheme, when the inner tubes conveyed by the conveying belt fall into the feeding groove, the plurality of inner tubes are automatically arranged in a central alignment manner due to the arc surface with the same diameter as the inner tube of the bottom surface of the feeding groove.

[0017] Preferably, the power assembly comprises a second driving motor installed on the lower surface of the relay rack, a driving pulley fixed on the output shaft of the second driving motor, a driven pulley rotatably connected below the relay rack, and a synchronous belt tensioned by the driving pulley and the driven pulley and driven by the motor to transmit; the lower end of the movable rack is formed with a connecting piece penetrating through the relay rack and connected with the synchronous belt to enable the movable rack to move together with the synchronous belt.

[0018] By adopting the above technical scheme, the movable rack is moved by the second driving motor to control the jaw assembly on the movable rack to move together. After the inner tube is clamped by the jaw assembly, the inner tube is sleeved on the air inflation shaft by moving.

[0019] Preferably, the jaw assembly comprises a slide rail installed on the movable rack, a lead screw parallel to the slide rail, a plurality of jaw racks in sliding connection with the slide rail, movable jaws installed on each jaw rack, and a third driving motor installed on the jaw rack and matched with the lead screw.

[0020] By adopting the above technical scheme, the jaw rack is limited to slide along the slide rail only by the slide rail, and the third driving motor is matched with the lead screw to adjust the jaw rack in the direction of the slide rail. After the inner tube is clamped by the movable jaw, the spacing between adjacent inner tubes can be adjusted and controlled by the third driving motor.

[0021] Preferably, the slide rail is a bidirectional slide rail, both sides of the slide rail are slidably connected with a sliding block, the lead screw is provided with two lead screws and located at both sides of the slide rail, the jaw frame comprises a longer frame and a shorter frame which are arranged alternately, the jaw frame comprises a horizontal section at one end of the jaw frame which is located above the feeding groove and is provided with a movable jaw, a vertical section which is connected to the lower surface of the horizontal section away from the movable jaw, and a mounting plate which is arranged on the side surface of the vertical section and is used for mounting the third driving motor; the horizontal section of the longer frame extends to the side of the slide rail which is away from the movable jaw, and the vertical section of the longer frame is connected with the sliding block on the side of the slide rail which is away from the movable jaw; the horizontal section of the shorter frame extends to the side of the slide rail which is towards the movable jaw, and the vertical section of the shorter frame is connected with the sliding block on the side of the slide rail which is towards the movable jaw.

[0022] By adopting the above technical scheme, since the third driving motor itself has a large volume, the third driving motor can be distributed on both sides of the slide rail by the differential arrangement of the longer frame and the shorter frame, so that the occupied space in the length direction of the slide rail can be shortened, and when the length dimension of the inner tube is smaller than that of the third driving motor, it is not necessary to set an additional structure to adjust the position of the movable jaw.

[0023] Preferably, the jaw frame is provided with a proximity column, the movable frame is provided with a same number of proximity sensors as the jaw frame, and the interval of the adjacent proximity sensors in the length direction of the slide rail is equal to the length of the inner tube.

[0024] By adopting the above technical scheme, the position state of the proximity column and the proximity sensor when responding is set as the initial state, which is used for positioning and adjusting the initial position of the movable frame when the equipment is started.

[0025] Preferably, the third driving motor is a linear stepping motor which is fixedly connected with the mounting plate, and the third driving motor drives the jaw frame to move in the length direction of the slide rail in cooperation with the lead screw.

[0026] Preferably, the fixing mechanism comprises a rotating disc and a plurality of air expansion shafts which are located on the rotating disc, and the length direction of the air expansion shaft is parallel to the movement direction of the movable frame.

[0027] By adopting the above technical scheme, the air expansion shaft is set to cooperate with the fixing of the inner tube.

[0028] In summary, the present application has at least one of the following beneficial technical effects:

[0029] 1. The inner tube is transported to the relay mechanism by the conveying mechanism, and after the interval between the adjacent inner tubes is adjusted by the relay mechanism, the inner tube is continuously transported to be fixed on the air expansion shaft of the fixing mechanism. Since the action process is to complete the spacing of multiple inner tubes at one time and then install, the efficiency is higher than that of fixing the inner tube on the air expansion shaft one by one. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a structural schematic diagram of an embodiment;

[0031] Figure 2 is a structural schematic diagram of a relay mechanism of an embodiment;

[0032] Figure 3 is a structural schematic diagram of another view of a relay mechanism of an embodiment.

[0033] Legend: 1, conveying mechanism; 2, relay mechanism; 3, fixing mechanism; 4, conveying frame; 5, conveying belt; 6, first drive motor; 7, relay frame; 8, movable frame; 9, clamping jaw assembly; 10, power assembly; 11, feeding groove; 12, limiting cylinder; 13, limiting plate; 14, second drive motor; 15, driving pulley; 16, synchronous belt; 17, connecting piece; 18, slide rail; 19, screw rod; 20, clamping jaw frame; 21, movable clamping jaw; 22, third drive motor; 23, proximity sensor; 24, horizontal section; 25, vertical section; 26, mounting plate; 27, proximity column; 28, rotary disc; 29, air inflation shaft. DETAILED DESCRIPTION

[0034] The following will be described in detail in combination with the accompanying drawings. Figures 1-3 The present application is further described in detail.

[0035] The present application discloses an inner tube equidistance conveying positioning device. In the embodiment, "up", "down", "left" and "right" are used to describe the relative direction of the position relationship, and are not limited by the position relationship.

[0036] As shown in Figure 1 , the inner tube equidistance conveying positioning device comprises a conveying mechanism 1 for conveying a section of inner tube forward, a relay mechanism 2 for adjusting the distance between adjacent inner tubes and relaying the transmission, and a fixing mechanism 3 for receiving and fixing the inner tube.

[0037] As shown in Figure 1 , the conveying mechanism 1 comprises a conveying frame 4, a conveying belt 5 located on the conveying frame 4, and a first drive motor 6 as the power source of the conveying belt 5.

[0038] As shown in Figure 1 and Figure 2 , the relay mechanism 2 comprises a relay frame 7, a movable frame 8, a clamping jaw assembly 9, and a power assembly 10.As shown, the relay mechanism 2 comprises a relay frame 7, a movable frame 8 above the relay frame 7, a clamping jaw assembly 9 on the movable frame 8 for clamping the inner tube and adjusting the spacing, and a power assembly 10 for moving the whole movable frame 8. The upper surface of the relay frame 7 is shaped with a feeding groove 11, the length direction of the feeding groove 11 is parallel to the conveying direction of the conveying belt 5. The bottom surface of the feeding groove 11 is an arc surface with the same diameter as the inner tube, and the height of the bottom surface of the feeding groove 11 is lower than the height of the upper surface of the conveying belt 5. A limit cylinder 12 and a limit plate 13 driven by the limit cylinder 12 to move up and down are installed on the end surface of the movable frame 8 away from the end of the feeding groove 11 of the conveying mechanism 1. When the limit plate 13 is in the upper limit position, the limit plate 13 is located on the side of the feeding groove 11 and abuts against the inner tube; when the limit plate 13 is in the lower limit position, the limit plate 13 is away from the side of the feeding groove 11.

[0039] As shown in Figure 1 and Figure 2 The power assembly 10 comprises a second driving motor 14 installed on the lower surface of the relay frame 7, a driving pulley 15 fixed on the output shaft of the second driving motor 14, a driven pulley 30 rotatably connected below the relay frame 7, and a synchronous belt 16 tensioned by the driving pulley 15 and the driven pulley 30 and driven by the motor to transmit. The lower end of the movable frame 8 is shaped with a connecting piece 17 passing through the relay frame 7, which is connected with the synchronous belt 16 and makes the movable frame 8 move with the synchronous belt 16.

[0040] As shown in Figure 2 and Figure 3As shown, the clamp jaw assembly 9 includes a slide rail 18 mounted on the movable frame 8, a lead screw 19 parallel to the slide rail 18, twelve clamp jaw frames 20 in sliding connection with the slide rail 18, movable clamp jaws 21 mounted on each clamp jaw frame 20, a third driving motor 22 mounted on the clamp jaw frame 20 and cooperating with the lead screw 19, and a proximity sensor 23 mounted on the movable frame 8. The length direction of the slide rail 18 and the lead screw 19 are both parallel to the length direction of the feeding groove 11. The slide rail 18 is a bidirectional slide rail 18, that is, slide blocks are slidingly connected to both sides of the slide rail 18, and the number of slide blocks on each side is six. The lead screw 19 is provided with two lead screws, which are located on both sides of the slide rail 18. The twelve clamp jaw frames 20 include six longer frames and six shorter frames, and the longer frames and the shorter frames are staggered. Each clamp jaw frame 20 includes a horizontal section 24 located above the feeding groove 11 and mounting the movable clamp jaw 21, a vertical section 25 connected to the lower surface of the end of the horizontal section 24 away from the movable clamp jaw 21, a mounting plate 26 provided on the side of the vertical section 25 for mounting the third driving motor 22, and a proximity column 27 connected to the lower end of the mounting plate 26. The horizontal section 24 of the longer frame extends to the side of the slide rail 18 away from the movable clamp jaw 21, and the vertical section 25 of the longer frame is connected to the slide block on the side of the slide rail 18 away from the movable clamp jaw 21. The horizontal section 24 of the shorter frame extends to the side of the slide rail 18 toward the movable clamp jaw 21, and the vertical section 25 of the shorter frame is connected to the slide block on the side of the slide rail 18 toward the movable clamp jaw 21. The third driving motor 22 is a linear stepper motor fixedly connected to the mounting plate 26, and drives the clamp jaw frame 20 to move accurately along the length direction of the slide rail 18 by cooperating with the lead screw 19. The proximity column 27 is mounted on the clamp jaw frame 20 below the third driving motor 22 and cooperates with the proximity sensor 23. The number of proximity sensors 23 is twelve and arranged in a straight line, and the distance between adjacent proximity sensors 23 is equal to the length of the inner tube.

[0041] As shown, Figure 1 The fixing mechanism 3 includes a rotating disc 28 and a plurality of air expansion shafts 29 located on the rotating disc 28, and the length direction of the air expansion shaft 29 is parallel to the movement direction of the movable frame 8.

[0042] Specific use process:

[0043] The conveying mechanism 1 continuously conveys the inner tube from the conveying belt 5 into the feeding groove 11, and pushes the inner tube in the feeding groove 11 to continue to be conveyed forward until the frontmost inner tube abuts against the limiting plate 13. Then, twelve inner tubes are clamped by the movable clamp jaw 21, and the third driving motor 22 accurately controls the travel distance to keep a 2mm gap between adjacent inner tubes. The limiting plate 13 is opened, and then the movable frame 8 is driven by the power assembly 10 to move in the direction of the fixing mechanism 3, so that the inner tube is sleeved on the air expansion shaft 29 of the fixing mechanism 3. The air expansion shaft 29 expands to fix the inner tube. Then, the movable clamp jaw 21 releases the inner tube, and the movable frame 8 and the limiting plate 13 are reset.

[0044] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An inner tube equidistant conveying positioning device, characterized in that, The device comprises a conveying mechanism (1), a relay mechanism (2) and a fixing mechanism (3); The conveying mechanism (1) is used for conveying the inner tubes forward; The relay mechanism (2) is used for adjusting the distance between the adjacent inner tubes and conveying them to the fixing mechanism (3); The fixing mechanism (3) comprises air expansion shafts (29) for receiving and fixing the inner tubes.

2. The inner tube equidistant delivery positioning device of claim 1, wherein, The relay mechanism (2) comprises a relay rack (7), a movable rack (8) above the relay rack (7), a jaw assembly (9) on the movable rack (8) for clamping the inner tubes and adjusting the distance, and a power assembly (10) for moving the whole movable rack (8).

3. The inner tube equidistant delivery positioning device of claim 2, wherein, The upper surface of the relay rack (7) is shaped with a feeding groove (11), the movable rack (8) is provided with a limiting cylinder (12) on the end face of the feeding groove (11) away from the conveying mechanism (1) and a limiting plate (13) driven by the limiting cylinder (12), and the limiting plate (13) is driven by the limiting cylinder (12) to reach or leave the end of the feeding groove (11).

4. The inner tube equidistant delivery positioning device of claim 3, wherein, The conveying mechanism (1) comprises a conveying rack (4), a conveying belt (5) on the conveying rack (4), and a first driving motor (6) as the power source of the conveying belt (5); the bottom surface of the feeding groove (11) is an arc surface with the same diameter as the inner tube, and the height of the bottom surface of the feeding groove (11) is lower than the height of the upper surface of the conveying belt (5).

5. The inner tube equidistant delivery positioning device of claim 2, wherein, The power assembly (10) comprises a second driving motor (14) installed on the lower surface of the relay rack (7), a driving pulley (15) fixed on the output shaft of the second driving motor (14), a driven pulley (30) rotatably connected below the relay rack (7), a synchronous belt (16) tensioned by the driving pulley (15) and the driven pulley (30) and driven by the motor for transmission, and a connecting piece (17) formed on the lower end of the movable rack (8) and connected with the synchronous belt (16) to make the movable rack (8) move with the synchronous belt (16).

6. The inner tube equidistant delivery positioning device of claim 2, wherein, The jaw assembly (9) comprises a slide rail (18) installed on the movable rack (8), a lead screw (19) parallel to the slide rail (18), a plurality of jaw racks (20) slidably connected with the slide rail (18), movable jaws (21) installed on each jaw rack (20), and a third driving motor (22) installed on the jaw rack (20) and matched with the lead screw (19).

7. The inner tube equidistant delivery positioning device of claim 6, wherein, The slide rail (18) is a bidirectional slide rail (18), both sides of the slide rail (18) are slidably connected with sliding blocks, the lead screw (19) is provided with two lead screws and is located at both sides of the slide rail (18), the jaw frame (20) comprises a longer frame and a shorter frame which are arranged alternately, the jaw frame (20) comprises a horizontal section (24) at one end of which the movable jaw (21) is installed above the feeding groove (11), a vertical section (25) which is connected to the lower surface of the horizontal section (24) away from the movable jaw (21), and a mounting plate (26) which is arranged on the side surface of the vertical section (25) and is used for mounting the third driving motor (22); the horizontal section (24) of the longer frame extends to the side of the slide rail (18) away from the movable jaw (21), and the vertical section (25) of the longer frame is connected with the sliding block on the side of the slide rail (18) away from the movable jaw (21); the horizontal section (24) of the shorter frame extends to the side of the slide rail (18) toward the movable jaw (21), and the vertical section (25) of the shorter frame is connected with the sliding block on the side of the slide rail (18) toward the movable jaw (21).

8. The inner tube equidistant delivery positioning device of claim 6, wherein, The jaw frame (20) is provided with a proximity column (27), the movable frame (8) is provided with proximity sensors (23) which are equal in number to the jaw frames (20), and the interval of the adjacent proximity sensors (23) in the length direction of the slide rail (18) is equal to the length of the inner tube.

9. The inner tube equidistant delivery positioning device of claim 6, wherein, The third driving motor (22) is a linear stepping motor which is fixedly connected with the mounting plate (26), and the jaw frame (20) is driven to move in the length direction of the slide rail (18) by the cooperation of the third driving motor (22) and the lead screw (19).

10. The endoscope isometric transport positioning device of claim 2, wherein, The fixing mechanism (3) comprises a rotating disc (28) and a plurality of air expansion shafts (29) which are located on the rotating disc (28), and the length direction of the air expansion shaft (29) is parallel to the movement direction of the movable frame (8).

Images