Connecting rod type self-separation power and free conveyor

Abstract

The connecting rod type self-separation power and free conveyor comprises a linear conveying frame and an overturning track frame, a linear conveying track and an overturning conveying track are arranged in the linear track frame and the overturning track frame correspondingly, and rotating shafts are rotationally connected to the two sides of the surface of the overturning track frame correspondingly; and transmission chain wheels and auxiliary overturning wheels are arranged on the surfaces of the rotating shafts, three rows of chains are in transmission connection between every two adjacent transmission chain wheels, and a plurality of tray trolleys are arranged above the three rows of chains. According to the connecting rod type self-separation power and free conveyor, after the front tray trolley is controlled to stop under the action of the limiting stopper, the rear tray trolley following the front tray trolley is also subjected to power and free, the actions are repeated, the multiple tray trolleys can be cached and can be separated from a circulating motion chain, and compared with a traditional friction wheel type conveyor, the energy consumption is reduced, and the production efficiency is improved. The power and free function can be achieved without a friction wheel, stability is improved, and maintenance cost is low.

Description

Technical Field

[0001] The invention relates to the technical field, in particular to a connecting rod type self-detaching accumulation conveyor. Background Art

[0002] With the substantial leap forward in my country's industrial strength and the growing number of factory automation production lines, the accumulation and release conveyor has developed rapidly as a comprehensive spatial transportation system. The accumulation and release conveyor has flexible and changeable lines, simple and reliable structures, and can meet the needs of various automated production lines. It is widely used in industries such as automobiles, metallurgy, and construction, especially in the automobile industry, realizing the automated transportation of parts and online caching of parts in the automobile manufacturing industry, thereby improving production efficiency. When transporting workpieces, the accumulation and release conveyor can stop and cache at any position in the production line, and can continue to transport workpieces as needed. The pallet can circulate between the upper and lower fuselages. Therefore, the accumulation and release conveyor can not only realize the transportation of workpieces, but also meet the caching function of workpieces. Through the coordinated use of multiple accumulation and release conveyors, all processes in the factory are connected into a complete system. It greatly saves the transportation time between workstations, thereby improving production efficiency.

[0003] Most of the existing accumulation conveyors use friction wheels to realize the transportation and caching of pallets. When there is no obstruction, the friction force drives the pallet to move. When the blocking force is greater than the friction force set by the friction wheel, the pallet is cached. However, while the friction wheel generates resistance, the friction plate is also worn. The friction force also causes the energy consumption of the system to increase. Therefore, a conveyor that can replace the friction wheel and realize the accumulation function is very valuable to study. In view of the above shortcomings, the present invention makes the following improvements. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a link-type self-detaching accumulation conveyor, which solves the problems mentioned in the background technology.

[0005] To achieve the above purpose, the present invention is implemented through the following technical solutions: a connecting rod type self-detaching accumulation conveyor, comprising a linear conveying frame and a flip track frame, wherein the linear conveying track frame and the flip track frame are respectively provided with a linear conveying track and a flip conveying track inside, both sides of the flip track frame surface are rotatably connected with a rotating shaft, and the surface of the rotating shaft is provided with a driving sprocket and an auxiliary flip wheel, three rows of chains are drivingly connected between two adjacent driving sprockets, and a plurality of pallet trolleys are provided above the three rows of chains, and the surface of the linear track frame is respectively provided with a limiter and a backstop;

[0006] The pallet trolley travels along the straight conveying track and performs a one-way circulation motion through the flip conveying track with the assistance of the auxiliary flip wheel, so as to transport the workpiece;

[0007] The pallet trolley in a moving state is stopped by a telescopic rod arranged inside the limiter, and then the pallet trolley is blocked by a backstop to perform a caching operation.

[0008] Preferably, the pallet trolley includes a pallet flat plate and mounting seats arranged on both sides of the pallet flat plate, and the top surface of the mounting seat is fixedly connected to a connecting rod support, a short connecting rod is rotatably provided on one side of the connecting rod support, a long connecting rod is rotatably provided on one end of the short connecting rod, and a driving tooth block is rotatably connected to one end of the long connecting rod, the surface of the driving tooth block is provided with teeth meshing with three rows of chains, and a stop rod is fixedly provided on one side of the mounting seat.

[0009] Preferably, a sleeve is fixedly provided on the top surface of the inner wall of the mounting seat, and the bottom end of the sleeve is fixedly connected to the top surface of the driving gear block via a first spring, and a roller is rotatably provided on the surface of the mounting seat.

[0010] Preferably, rollers are rotatably provided on opposite sides of the two mounting seats, and the rollers are located in the tooth grooves of the auxiliary flipping wheel.

[0011] Preferably, a through groove adapted to the short connecting rod and the long connecting rod is provided inside the mounting seat.

[0012] Preferably, the backstop comprises a bracket fixedly arranged on the top surface of the linear track frame, and a telescopic support rod is arranged on the top surface of the inner wall of the bracket, and a backstop wheel is rotatably arranged on the bottom end of the telescopic support rod through a connecting block.

[0013] Preferably, a second spring is fixedly arranged between the top surface of the connecting block and the inner wall of the bracket, and the second spring is wound around the surface of the telescopic support rod.

[0014] Preferably, the telescopic support rod is composed of a latch and a hollow tube, and the latch is slidably arranged inside the hollow tube.

[0015] Preferably, a driving motor is fixedly connected to the surface of the linear track frame, and an output end of the driving motor is fixedly connected to one end of the rotating shaft via a coupling.

[0016] Preferably, the auxiliary turning wheel and the transmission sprocket have the same number of teeth.

[0017] Beneficial Effects

[0018] The present invention provides a connecting rod type self-detaching accumulation conveyor, which has the following advantages compared with the prior art:

[0019] Beneficial effects:

[0020] (1) The link-type self-detaching accumulation conveyor controls the front pallet trolley to stop under the action of the limiter, and then the pallet trolley following closely behind also realizes accumulation. By repeating the above actions, multiple pallet trolleys can be cached and can be separated from the circulating chain. Compared with the traditional friction wheel conveyor, it reduces energy consumption, realizes the accumulation function without friction wheels, improves stability, and reduces maintenance costs.

[0021] (2) The link-type self-detaching accumulation conveyor has a simple mechanical structure, low failure rate, high degree of automation, and simple operation and control. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the general assembly structure of the present invention;

[0023] Figure 2 A top view of the structure of the present invention;

[0024] Figure 3 It is a schematic diagram of the engagement position of the pallet trolley of the present invention;

[0025] Figure 4 It is a partial cross-sectional view of the disengaged position of the pallet trolley of the present invention;

[0026] Figure 5 This is a schematic diagram of the structure of the pallet trolley of the present invention;

[0027] Figure 6 It is a cross-sectional view of the pallet trolley of the present invention;

[0028] Figure 7 This is a schematic diagram of the turning process of the pallet trolley of the present invention;

[0029] Figure 8 It is a schematic diagram of the structure of the backstop of the present invention.

[0030] In the figure: 1. three-row chain; 2. transmission sprocket; 3. auxiliary turning wheel; 4. rotating shaft; 5. limiter; 6. backstop; 6-1. bracket; 6-2. backstop wheel; 6-3. second spring; 6-4. telescopic support rod; 7. pallet trolley; 7-1. pallet plate; 7-2. mounting seat; 7-3. roller; 7-4. short connecting rod; 7-5. long connecting rod; 7-6. connecting rod support; 7-7. driving gear block; 7-8. first spring; 7-9. roller; 7-10. sleeve; 7-11. stop rod; 8. linear conveying track; 9. linear track frame; 10. turning conveying track; 11. turning track frame; 12. driving motor; 13. telescopic rod. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Embodiment 1

[0033] See also Figures 1 to 8 As shown, the present invention provides a technical solution, and the specific improvements are as follows:

[0034] A connecting rod type self-detaching accumulation conveyor, comprising a linear conveying frame 8 and a flip track frame 11, wherein the linear conveying track 8 and the flip track frame 11 are respectively provided with a linear conveying track 8 and a flip conveying track 10, both sides of the surface of the flip track frame 11 are rotatably connected with a rotating shaft 4, and the surface of the rotating shaft 4 is provided with a driving sprocket 2 and an auxiliary flip wheel 3, the auxiliary flip wheel 3 and the driving sprocket 2 have the same number of teeth, the surface of the linear track frame 9 is fixedly connected with a driving motor 12, the output end of the driving motor 12 is fixedly connected to one end of the rotating shaft 4 through a coupling, three rows of chains 1 are transmission-connected between two adjacent driving sprockets 2, and a plurality of pallet trolleys 7 are provided above the three rows of chains 1, and the surface of the linear track frame 9 is respectively provided with a limiter 5 and a backstop 6;

[0035] The pallet trolley 7 travels along the straight conveying track 8 and performs a unidirectional circular motion through the turning conveying track 10 with the assistance of the auxiliary turning wheel 3, so as to transport the workpiece;

[0036] The pallet trolley 7 in the moving state is controlled to stop by the telescopic rod 13 arranged inside the limiter 5, and then the pallet trolley 7 is blocked by the backstop 6 for performing the caching operation;

[0037] The pallet trolley 7 includes a pallet flat plate 7-1 and a mounting seat 7-2 arranged on both sides of the pallet flat plate 7-1, and the top surface of the mounting seat 7-2 is fixedly connected with a connecting rod support 7-6, and a wedge-shaped ramp is arranged on the mounting seat 7-2. A short connecting rod 7-4 is rotatably arranged on one side of the connecting rod support 7-6, and a long connecting rod 7-5 is rotatably arranged on one end of the short connecting rod 7-4. A through groove adapted to the short connecting rod 7-4 and the long connecting rod 7-5 is opened inside the mounting seat 7-2, and one end of the long connecting rod 7-5 is rotatably connected with a driving tooth block 7-7. The surface is provided with teeth meshing with the three-row chain 1, a stop rod 7-11 is fixedly provided on one side of the mounting seat 7-2, a sleeve 7-10 is fixedly provided on the top surface of the inner wall of the mounting seat 7-2, and the bottom end of the sleeve 7-10 is fixedly connected to the top surface of the driving tooth block 7-7 through a first spring 7-8, a roller 7-3 is rotatably provided on the surface of the mounting seat 7-2, and rollers 7-9 are rotatably provided on opposite sides of the two mounting seats 7-2, and the rollers 7-9 are located in the tooth grooves of the auxiliary flip wheel 3, and the axis of the rollers 7-9 is on the pitch circle of the auxiliary flip wheel 3;

[0038] During operation, the pallet trolley 7 performs a unidirectional circular motion on the linear conveying track 8, and the telescopic rod 13 inside the control limiter 5 extends to collide with the short connecting rod 7-4, thereby blocking the pallet trolley 7 moving on the linear conveying track 8. The short connecting rod 7-4 rotates under the impact, driving the long connecting rod 7-5 and the driving tooth block 7-7 connected to one end to move upward, and the first spring 7-8 is compressed, so that the driving tooth block 7-7 is disengaged from the meshing with the three-row chain 1, and the pallet trolley 7 stops moving at this time;

[0039] When the front pallet trolley 7 is cached, the pallet trolley 7 following closely behind collides with the stop rod 7-11 on the pallet trolley 7 cached in front. Similarly, the long connecting rod 7-5 on the rear pallet trolley 7 drives the driving tooth block 7-7 to disengage. Repeating the above-mentioned cache method of the front pallet trolley 7 can realize the cache of multiple pallet trolleys 7. When no cache is needed, the limiter 5 is powered off and controls the telescopic rod 13 to reset and retract. Without the obstruction of the limiter 5, the first spring 7-8 rebounds. At this time, the driving tooth block 7-7 is controlled to engage with the three-row chain 1 in circular motion, driving the pallet trolley 7 to continue to circulate along the conveyor track, and the pallet trolley 7 at the rear successively engages with the three-row chain 1 to continue to circulate;

[0040] When the pallet trolley 7 passes through the flipping conveyor track 10, since the auxiliary flipping wheel 3 has the same number of teeth as the transmission sprocket 2, the bottom rollers 7-9 of the pallet trolley 7 just mesh with the auxiliary flipping wheel 3, which can assist the pallet trolley 7 in the flipping up and down process, prevent jamming during the flipping process, and enable the subsequent pallet trolley 7 to circulate unidirectionally on the upper and lower layers of the conveyor.

[0041] Embodiment 2

[0042] Based on Example 1, please refer to Figures 1 to 8 The specific improvements are as follows:

[0043] The backstop 6 includes a bracket 6-1 fixedly arranged on the top surface of the linear track frame 9, and a telescopic support rod 6-4 is arranged on the top surface of the inner wall of the bracket 6-1, and a backstop wheel 6-2 is rotatably arranged on the bottom end of the telescopic support rod 6-4 through a connecting block, and a second spring 6-3 is fixedly arranged between the top surface of the connecting block and the inner wall of the bracket 6-1, and the second spring 6-3 is wound around the surface of the telescopic support rod 6-4, and the telescopic support rod 6-4 is composed of a latch and a hollow cylinder, and the latch is slidably arranged inside the hollow cylinder;

[0044] Whenever the pallet trolley 7 passes by, the wedge-shaped ramp on the mounting seat 7-2 can lift up the backstop wheel 6-2. After the pallet trolley 7 passes, the backstop wheel 6-2 can prevent the pallet trolley 7 from moving in the opposite direction under the reset of the second spring 6-3. Therefore, when the driving gear block 7-7 disengages, the backstop 6 is just reset to block the lower pallet trolley 7 from caching.

[0045] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A connecting rod type self-detaching accumulation conveyor, comprising a linear conveying frame (8) and a reversing track frame (11), wherein the linear track frame (9) and the reversing track frame (11) are respectively provided with a linear conveying track (8) and a reversing conveying track (10), characterized in that: Both sides of the surface of the flip track frame (11) are rotatably connected to a rotating shaft (4), and the surface of the rotating shaft (4) is provided with a transmission sprocket (2) and an auxiliary flip wheel (3), three rows of chains (1) are transmission-connected between two adjacent transmission sprockets (2), and a plurality of pallet trolleys (7) are provided above the three rows of chains (1), and the surface of the linear track frame (9) is respectively provided with a limiter (5) and a backstop (6); The pallet trolley (7) travels along a straight conveying track (8) and performs a unidirectional circular motion through a turning conveying track (10) with the assistance of an auxiliary turning wheel (3), thereby being used to transport workpieces; The pallet trolley (7) in a moving state is controlled to stop by a telescopic rod (13) arranged inside the limiter (5), and then the pallet trolley (7) is blocked by the stopper (6) to perform a caching operation.

2. A link type self-detaching accumulation conveyor according to claim 1, characterized in that: The pallet trolley (7) comprises a pallet plate (7-1) and mounting seats (7-2) arranged on both sides of the pallet plate (7-1), and the top surface of the mounting seat (7-2) is fixedly connected to a connecting rod support (7-6), a short connecting rod (7-4) is rotatably arranged on one side of the connecting rod support (7-6), a long connecting rod (7-5) is rotatably arranged on one end of the short connecting rod (7-4), and a driving tooth block (7-7) is rotatably connected to one end of the long connecting rod (7-5), and teeth meshing with the three-row chain (1) are arranged on the surface of the driving tooth block (7-7), and a stop rod (7-11) is fixedly arranged on one side of the mounting seat (7-2).

3. A link type self-detaching accumulation conveyor according to claim 2, characterized in that: A sleeve (7-10) is fixedly arranged on the top surface of the inner wall of the mounting seat (7-2), and the bottom end of the sleeve (7-10) is fixedly connected to the top surface of the driving gear block (7-7) via a first spring (7-8), and a roller (7-3) is rotatably arranged on the surface of the mounting seat (7-2).

4. A link type self-detaching accumulation conveyor according to claim 3, characterized in that: Rollers (7-9) are rotatably arranged on opposite sides of the two mounting seats (7-2), and the rollers (7-9) are located in the tooth grooves of the auxiliary turning wheels (3).

5. A link type self-detaching accumulation conveyor according to claim 4, characterized in that: A through groove adapted to the short connecting rod (7-4) and the long connecting rod (7-5) is provided inside the mounting seat (7-2).

6. The connecting rod type self-detaching accumulation conveyor according to claim 1, characterized in that: The backstop (6) comprises a bracket (6-1) fixedly arranged on the top surface of the linear track frame (9), and a telescopic support rod (6-4) is arranged on the top surface of the inner wall of the bracket (6-1), and a backstop wheel (6-2) is rotatably arranged at the bottom end of the telescopic support rod (6-4) via a connecting block.

7. A link type self-detaching accumulation conveyor according to claim 6, characterized in that: A second spring (6-3) is fixedly arranged between the top surface of the connection block and the inner wall of the bracket (6-1), and the second spring (6-3) is wound around the surface of the telescopic support rod (6-4).

8. A link type self-detaching accumulation conveyor according to claim 7, characterized in that: The telescopic support rod (6-4) consists of a latch and a hollow tube, and the latch is slidably arranged inside the hollow tube.

9. The connecting rod type self-detaching accumulation conveyor according to claim 1, characterized in that: A driving motor (12) is fixedly connected to the surface of the linear track frame (9), and an output end of the driving motor (12) is fixedly connected to one end of the rotating shaft (4) via a coupling.

10. The link type self-detaching accumulation conveyor according to claim 1, characterized in that: The auxiliary turning wheel (3) and the transmission sprocket (2) have the same number of teeth.

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