Forklift frame mixed-line loading conveying system and loading method

Abstract

The application discloses a forklift frame mixed-line feeding conveying system, which comprises a feeding bus and at least one feeding branch line. The feeding bus is provided with a transfer point at one end away from the feeding branch line. The feeding bus is provided with a rotary transfer table at one end close to the feeding branch line. The feeding branch line is provided with at least one assembly station on one side. The feeding branch line comprises a plurality of conveying units arranged in sequence. The feeding branch line and the feeding bus are composed of segmented conveying devices. Each segment of the conveying device is controlled by a motor independently, so that automatic and rapid feeding can be realized. In addition, the feeding line of the application is controlled by segmented driving. Therefore, the feeding line can work locally, and can also work in forward and reverse directions. Therefore, any position can be left empty for hoisting, so that the application can realize rapid feeding of multiple assembly stations nearby, eliminate long-distance hoisting work, eliminate manual pushing and conveying actions, and improve the feeding efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of forklift production equipment, in particular to a forklift frame mixed-line feeding conveying system and a feeding method. BACKGROUND

[0002] Forklift frame welding is one of the most important links in forklift structural part production. The existing conveying method is to use a crane to lift the assembled frame onto a non-powered roller, which cannot realize automatic feeding and discharging, and the labor intensity is large.

[0003] In addition, there are many assembly stations, and most of the stations have too long lifting distance, which is low in efficiency. At the same time, in order to facilitate subsequent welding and rapid feeding, the to-be-welded frame is stacked in multiple layers, which has safety hazards, and the temporary single frame has no place to be stacked and needs to be lifted from a long distance. SUMMARY

[0004] The purpose of the present application is to provide a forklift frame mixed-line feeding conveying system and a feeding method to solve the problems raised in the background.

[0005] To achieve the above purpose, the present application provides the following technical scheme:

[0006] A forklift frame mixed-line feeding conveying system, comprising a feeding bus and at least one feeding branch, the feeding bus being provided with a transfer point at one end away from the feeding branch, the feeding bus being provided with a rotary transfer table at one end close to the feeding branch, the feeding branch being provided with at least one assembly station on one side, and the feeding branch comprising a plurality of conveying units arranged in sequence.

[0007] The conveying unit comprises a rack and a transmission plate chain arranged on the rack, and the rack is provided with a power part for driving the transmission plate chain.

[0008] As a further scheme of the present application, the feeding bus comprises a plurality of conveying units arranged in sequence, the conveying unit at one end away from the feeding branch in the feeding bus is a transfer point, and the conveying unit at the transfer point is provided with a blocking device.

[0009] As a further scheme of the present application, the feeding branch comprises a first feeding branch and a second feeding branch, the first feeding branch and the second feeding branch are located on both sides of the feeding bus, and the first feeding branch and the second feeding branch are both communicated with the feeding bus through the rotary transfer table.

[0010] As a further scheme of the present application, the feeding branch comprises a plurality of independently working conveying units, and the plurality of conveying units are arranged in sequence according to the material flow direction.

[0011] As a further scheme of the present application: the transmission plate chain comprises a first transmission plate chain and a second transmission plate chain located at the front and rear ends of the rack, the first transmission plate chain is provided with a positioning mechanism, and the second transmission plate chain is a flat plate structure.

[0012] As a further scheme of the present application: the power part comprises a driving motor arranged on the rack, driving sprockets are arranged at the two ends of the first transmission plate chain and the second transmission plate chain, the driving motor is in power connection with the driving sprockets, and a synchronous shaft is connected between the driving sprockets at the corresponding positions on the first transmission plate chain and the second transmission plate chain.

[0013] As a further scheme of the present application: a sensor group is arranged at the upper end of the rack, the sensor group is located between the first transmission plate chain and the second transmission plate chain, and the sensor group comprises at least one frame detection sensor.

[0014] A mixed-line feeding and conveying online method for a forklift frame, comprising the following steps:

[0015] Step 1, starting the feeding bus and the feeding branch line;

[0016] Step 2, hoisting the assembled forklift frame on the assembly station to above the conveying unit closest to the current assembly station in the feeding branch line, if there is a forklift frame on the conveying unit, executing step 4, if there is no forklift frame on the conveying unit, executing step 3;

[0017] Step 3, detecting whether the conveying unit in front of the conveying unit is empty, if yes, executing step 5, otherwise, executing step 5;

[0018] Step 4, keeping the conveying unit behind the conveying unit stationary, and sequentially making up the conveying unit in front of the conveying unit to be in an empty state, and then executing step 6;

[0019] Step 5, reversely making up the forklift frames on the conveying unit and the conveying unit behind the conveying unit to make the conveying unit be in an empty state, and then executing step 6;

[0020] Step 6, placing the forklift frame on the conveying unit and conveying the forklift frame through the conveying unit.

[0021] As a further scheme of the present application: whether the conveying unit is empty is detected by a sensor group arranged in the conveying unit.

[0022] As a further scheme of the present application: the forklift frame in step 6 is transmitted to the rotary transfer table by the conveying unit on the feeding branch line, transferred to the feeding bus by the rotary transfer table, then moved along the feeding bus and reaches the transfer point at the end and positioned by the blocking device, then the forklift frame is scanned and identified and transferred.

[0023] Compared with the prior art, the present application has the beneficial effects that the present application has novel structure,

[0024] 1、The present application is composed of feeding branch lines and feeding bus by segmented conveying devices, each of which is controlled by a motor, so that automatic and rapid feeding can be realized. In addition, since the feeding line of the present application is driven and controlled in sections, it can work locally, and can also work in forward and reverse directions, so that any position can be left empty for hoisting, thereby realizing rapid feeding of multiple assembly stations nearby, eliminating long-distance hoisting work, eliminating manual pushing of the conveying action, improving feeding efficiency and reducing labor intensity of workers.

[0025] 2、The plate chain line of the conveying device of the present application adopts a double-matching structure, the front plate chain line positions the front plate of the frame, thereby ensuring the position of the frame and laying a foundation for subsequent automatic handling of the frame, and the rear plate chain line is designed to be widened, which can be compatible with all types of forklift frames. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 It is a structural schematic diagram of the present embodiment;

[0027] Fig. 2 It is a structural schematic diagram of the conveying device of the present embodiment.

[0028] In the figure: 1 - feeding bus, 2 - transfer point, 3 - blocking device, 4 - rotary transfer table, 5 - first feeding branch line, 6 - second feeding branch line, 7 - conveying unit, 71 - rack, 72 - first transmission plate chain, 73 - second transmission plate chain, 74 - transmission sprocket, 75 - synchronous shaft, 76 - drive motor, 77 - sensor group, 8 - assembly station. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] Please refer to Figs. 1-2In the embodiment of the present application, a forklift frame mixed-line feeding conveying system comprises a feeding bus 1 and at least one feeding branch line. The feeding bus 1 is provided with a transfer point 2 at the end away from the feeding branch line. The feeding bus 1 is provided with a rotary transfer table 4 at the end close to the feeding branch line. The feeding branch line is provided with at least one assembly station 8 on one side. In the embodiment, the feeding bus 1 comprises a plurality of conveying units 7 arranged in sequence. The conveying unit 7 at the end away from the feeding branch line in the feeding bus 1 is the transfer point 2, and the conveying unit 7 at the transfer point 2 is provided with a blocking device 3. The feeding branch line comprises a first feeding branch line 5 and a second feeding branch line 6. The first feeding branch line 5 and the second feeding branch line 6 are located on both sides of the feeding bus 1, and the first feeding branch line 5 and the second feeding branch line 6 are both communicated with the feeding bus 1 through the rotary transfer table 4.

[0031] The first feeding branch line 5 and the second feeding branch line 6 both comprise a plurality of conveying units 7 arranged in sequence. The plurality of conveying units 7 are arranged in sequence according to the material flow direction. The conveying unit 7 comprises a rack 71 and a transmission plate chain arranged on the rack 71. The rack 71 is provided with a power part for driving the transmission plate chain. The transmission plate chain comprises a first transmission plate chain 72 and a second transmission plate chain 73 located at the front and rear ends of the rack 1. The first transmission plate chain 72 is provided with a positioning mechanism. The second transmission plate chain 73 is a flat plate structure. The power part comprises a driving motor 76 arranged on the rack 1. The first transmission plate chain 72 and the second transmission plate chain 73 are both provided with a transmission sprocket 74 at both ends. The driving motor 76 is power-connected with the transmission sprocket 74. Synchronous shafts are connected between the transmission sprockets 74 at the corresponding positions of the first transmission plate chain 72 and the second transmission plate chain 73. The rack 1 is provided with a sensor group 77 at the upper end. The sensor group 77 is located between the first transmission plate chain 72 and the second transmission plate chain 73. The sensor group 77 comprises at least one frame detection sensor. In the embodiment, the sensor is provided with four, which are a first sensor, a second sensor, a third sensor and a fourth sensor. When the conveying line is forward conveying, the first, second and fourth sensors work. When the three sensors all detect the frame, the system confirms that the frame is forward moved to position in this section of conveying unit 7. When the conveying line is reverse retreating, the first, third and fourth sensors work. When the three sensors all detect the frame, the system confirms that the frame is reverse moved to position in this section of conveying unit 7.

[0032] A forklift frame mixed-line feeding conveying online method comprises the following steps:

[0033] Step 1, starting the feeding bus 1 and the feeding branch line;

[0034] Step 2, hoist the assembled forklift frame on the assembly station 8 to the over of the conveying unit 7 closest to the current assembly station 8 in the feeding branch line, if there is a forklift frame on the conveying unit 7, execute step 4, if there is no forklift frame on the conveying unit 7, execute step 3, whether the conveying unit 7 is empty is detected by the sensor group 77 arranged in the conveying unit 7;

[0035] Step 3, detect whether the conveying unit in front of the conveying unit 7 is empty, if yes, execute step 5, otherwise execute step 5;

[0036] Step 4, the conveying unit behind the conveying unit 7 remains stationary, and the conveying unit in front of the conveying unit 7 is sequentially supplemented so that the conveying unit is in an empty state, and then step 6 is executed;

[0037] Step 5, the conveying unit 7 and the conveying unit behind the conveying unit 7 reverse the forklift frame on them to make the conveying unit empty, and then step 6 is executed;

[0038] Step 6, place the forklift frame on the conveying unit 7, and transmit it through the conveying unit 7, the forklift frame is transmitted to the rotating transfer table 4 through the conveying unit 7 on the feeding branch line, transferred to the feeding bus 1 through the rotating transfer table 4, then moves along the feeding bus 1 and reaches the transfer point 2 at the end and is positioned by the blocking device 3, then the forklift frame is scanned and identified and transferred.

[0039] It is apparent to those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and that the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and it is intended that all changes and modifications which come within the meaning and range of equivalency of the claims are reserving to the application. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0040] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A method for loading and conveying materials onto a forklift frame mixed-line material conveying system, characterized in that, It includes a loading bus (1) and at least one loading branch line. The loading bus (1) has a transfer point (2) at one end away from the loading branch line, and a rotary transfer table (4) at one end of the loading bus (1) close to the loading branch line. The loading branch line has at least one assembly station (8) on one side, and the loading branch line includes multiple conveying units (7) arranged in sequence. The conveying unit (7) includes a frame (71) and a transmission plate chain disposed on the frame (71), and the frame (71) is provided with a power unit for driving the transmission plate chain; The feeding and conveying method includes the following steps: Step 1: Start the loading bus (1) and loading branch line; Step 2: Hoist the forklift frame assembled on the assembly station (8) to the top of the conveyor unit (7) closest to the current assembly station (8) in the loading branch line. If there is a forklift frame on the conveyor unit (7), proceed to step 4. If there is no forklift frame on the conveyor unit (7), proceed to step 3. Step 3: Check if the conveying unit in front of the conveying unit (7) is unloaded. If it is unloaded, proceed to step 6; otherwise, proceed to step 5. Step 4: The conveying units behind the conveying unit (7) remain stationary, and the conveying units in front of the conveying unit (7) are successively replaced to make the conveying unit in an unloaded state, and then step 6 is executed; Step 5: The conveying unit (7) and the conveying unit behind it reverse to replace the forklift frame on it in the opposite direction, so that the conveying unit is in an unloaded state, and then step 6 is executed. Step 6: Place the forklift frame onto the conveying unit (7) and transfer it through the conveying unit (7).

2. The feeding and conveying method of a forklift frame mixed-line feeding and conveying system according to claim 1, characterized in that, The feeding bus (1) includes multiple conveying units (7) arranged in sequence. The conveying unit (7) at the end of the feeding branch line away from the feeding bus (1) is a transfer point (2), and the conveying unit (7) at the transfer point (2) is equipped with a blocking device (3).

3. The feeding and conveying method of a forklift frame mixed-line feeding and conveying system according to claim 1, characterized in that, The feeding branch line includes a first feeding branch line (5) and a second feeding branch line (6). The first feeding branch line (5) and the second feeding branch line (6) are located on both sides of the feeding bus line (1), and the first feeding branch line (5) and the second feeding branch line (6) are connected to the feeding bus line (1) through a rotary transfer table (4).

4. The feeding and conveying method of a forklift frame mixed-line feeding and conveying system according to claim 1, characterized in that, The feeding branch line includes multiple independently operating conveying units (7), which are arranged sequentially according to the material flow direction.

5. The feeding and conveying method of a forklift frame mixed-line feeding and conveying system according to claim 1, characterized in that, The transmission plate chain includes a first transmission plate chain (72) and a second transmission plate chain (73) located at the front and rear ends of the frame (71). The first transmission plate chain (72) is provided with a positioning mechanism, and the second transmission plate chain (73) is a flat plate structure.

6. The feeding and conveying method of a forklift frame mixed-line feeding and conveying system according to claim 5, characterized in that, The power unit includes a drive motor (76) mounted on the frame (71). Both ends of the first transmission plate chain (72) and the second transmission plate chain (73) are provided with transmission sprockets (74). The drive motor (76) is poweredly connected to the transmission sprockets (74). Synchronous shafts are connected between the corresponding transmission sprockets (74) on the first transmission plate chain (72) and the second transmission plate chain (73).

7. The feeding and conveying method of a forklift frame mixed-line feeding and conveying system according to claim 5, characterized in that, The upper end of the frame (71) is provided with a sensor group (77), which is located between the first transmission plate chain (72) and the second transmission plate chain (73). The sensor group (77) includes at least one frame detection sensor.

8. The feeding and conveying method of a forklift frame mixed-line feeding and conveying system according to claim 1, characterized in that, Whether the conveying unit (7) is unloaded is detected by a sensor group (77) installed in the conveying unit (7).

9. The feeding and conveying method of a forklift frame mixed-line feeding and conveying system according to claim 1, characterized in that, In step 6, the forklift frame is transported to the rotary transfer table (4) via the conveying unit (7) on the loading branch line. It is then transferred to the loading bus (1) via the rotary transfer table (4). As the loading bus (1) moves and reaches the transfer point (2) at the end, it is blocked and positioned by the blocking device (3). The forklift frame is then scanned and identified and transferred.

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