Chain lifting conveyor

Abstract

A chain lifting conveyor mainly comprises a rack, a lifting device and a conveying device. The rack comprises a first cross beam, a first longitudinal beam, a second cross beam, a second longitudinal beam and a stand column. The first longitudinal beam and the first cross beam are fixedly welded to form a bottom frame; the stand columns are distributed on the bottom frame in an array mode. The lifting device comprises a first lifting support set, a second lifting support set, a first guide wheel shaft, a second guide wheel shaft and a first driving device. The conveying device comprises a second driving device, a first chain transmission device, a second chain transmission device and a conveying frame. According to the chain lifting conveyor, the oil cylinder is matched with the lifting frame to form a shear fork amplification mechanism, and the chain lifting conveyor can be rapidly lifted and can be matched with a gantry manipulator to rapidly convey plates. And the cover plate is arranged around the chain, so that the tray is protected, the service life of the tray is prolonged, and the production cost of an enterprise is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of building material production, in particular to a chain lifting conveyor. Background Art

[0002] With the continuous advancement of modern science and technology, in the face of the demand for rapid construction and development, prefabricated housing construction has become a general trend. This type of construction method is more standardized, mechanized, and automated. In prefabricated buildings, the production of thermal insulation wall panels is in great demand. During the production process, pallets are required to transport thermal insulation panels; the gantry robot needs to transfer a single panel to the next station, and each extraction of a panel will change the height of the stack. Traditional lifting conveyors use rollers for transmission, which will damage the pallet, and the lifting speed is slow, and it cannot cooperate with the gantry robot for fast transmission. How to design a production device that can reduce damage to the pallet and cooperate with the gantry robot for fast pushing has become an engineering problem that needs to be solved urgently in this industry. Summary of the invention

[0003] The utility model aims to provide a chain lifting conveyor, which can reduce the wear on the pallet by adding a cover plate to the chain, and on the other hand, form a scissor-type magnifying mechanism through the cooperation of the oil cylinder and the lifting frame, so as to achieve rapid lifting.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] A chain lifting conveyor comprises a frame, a lifting device and a conveying device.

[0006] The frame comprises a first cross beam, a first longitudinal beam, a second cross beam, a second longitudinal beam and a column. The first cross beam, the first longitudinal beam, the second cross beam and the second longitudinal beam are fixedly welded to form a bottom frame; the columns are distributed in an array on the bottom frame.

[0007] The lifting device includes a first lifting bracket group, a second lifting bracket group, a first guide wheel shaft, a second guide wheel shaft, and a first driving device. The first lifting bracket group includes an outer lifting frame, an inner lifting frame, a first running wheel, a second running wheel, a first guide rail, and a second guide rail. A first running wheel is provided at one end of the outer lifting frame, and the first running wheel is connected to the first guide rail through a moving pair, and the first guide rail is fixedly connected to the first longitudinal beam; the other end of the outer lifting frame is connected to the lower bracket through a rotating pair. A second running wheel is provided at one end of the inner lifting frame, and the second running wheel is connected to the second guide rail through a moving pair, and the second guide rail is connected to the lower bracket; the other end of the inner lifting frame is connected to the bottom frame through a rotating pair.

[0008] The second lifting bracket group has the same structure as the first lifting bracket group; the connection method of the second lifting bracket group with the second longitudinal beam and the lower bracket is the same as the connection method of the first lifting bracket group with the first longitudinal beam and the lower bracket, and they are distributed in a mirror-symmetrical manner. The first lifting bracket group and the second lifting bracket group are connected through an intermediate connecting shaft. The first guide wheel shaft connects the first travel wheels of the first lifting bracket group and the second lifting bracket group. The second guide wheel shaft connects the second travel wheels of the first lifting bracket group and the second lifting bracket group.

[0009] The first driving device includes a driving oil cylinder, an inner lifting frame connecting shaft, and an outer lifting frame connecting shaft. Both ends of the driving oil cylinder are connected to the inner lifting frame connecting shaft and the outer lifting frame connecting shaft through a rotating pair. The inner lifting frame connecting shaft connects the inner lifting frames of the first lifting frame group and the second lifting frame group; the outer lifting frame connecting shaft connects the outer lifting frames of the first lifting frame group and the second lifting frame group.

[0010] The conveying device includes a second driving device, a first chain transmission device, a second chain transmission device, and a conveying frame. The second driving device includes a driving motor, a reducer, a first transmission chain, and a transmission shaft. The output end of the driving motor is fixedly connected to the input end of the reducer, and the output end of the reducer is connected to the transmission shaft through the first transmission chain. The transmission shaft is also connected to the first chain transmission device and the second chain transmission device. The reducer is fixedly connected to the conveying frame.

[0011] The first chain transmission device comprises a first sprocket, a second sprocket and a second transmission chain. The first sprocket is fixedly connected to the transmission shaft, and the second sprocket is connected to the upper bracket through a rotating pair. The second transmission chain is connected to the first sprocket and the second sprocket through a gear pair, and a cover plate is provided on the second transmission chain. The second chain transmission device has the same structure as the first chain transmission device.

[0012] The conveying frame comprises an upper support and a lower support. The upper support and the lower support are welded by square steel; the upper support and the lower support are connected by a connecting column.

[0013] Compared with the prior art, the outstanding advantages of the utility model are:

[0014] 1. The utility model is a chain lifting conveyor, which forms a scissor-type magnifying mechanism through the cooperation of the oil cylinder and the lifting frame, can be quickly lifted and lowered, and can cooperate with the gantry manipulator to quickly transport the plate.

[0015] 2. The utility model provides a chain lifting conveyor, which uses a cover plate around the chain to protect the pallet, thereby extending the service life of the pallet and reducing the production cost of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the structural schematic diagrams of a chain lifting conveyor of the utility model.

[0017] Figure 2 This is the second structural schematic diagram of a chain lifting conveyor of the utility model.

[0018] Figure 3 This is the third structural schematic diagram of a chain lifting conveyor of the utility model.

[0019] Figure 4 The utility model is a schematic diagram of the lifting structure of a chain lifting conveyor. DETAILED DESCRIPTION

[0020] The following is attached Figures 1 to 4 The technical solution of the utility model is further illustrated with embodiments.

[0021] Comparison Figure 1 A chain lifting conveyor includes a frame 1, a lifting device 2 and a conveying device 3.

[0022] Comparison Figure 1 The frame includes a first cross beam 4, a first longitudinal beam 5, a second cross beam 6, a second longitudinal beam 7, and a column 8. The first cross beam 4, the first longitudinal beam 5, the second cross beam 6, and the second longitudinal beam 7 are fixedly welded to form a bottom frame 9; the columns 8 are distributed in an array on the bottom frame 9.

[0023] Comparison Figure 1 , Figure 2 , Figure 4 , the lifting device 2 includes a first lifting bracket group 10, a second lifting bracket group 11, a first guide wheel shaft 12, a second guide wheel shaft 13, and a first driving device 14. The first lifting bracket group 10 includes an outer lifting frame 15, an inner lifting frame 16, a first running wheel 17, a second running wheel 18, a first guide rail 19, and a second guide rail 20. The outer lifting frame 15 is provided with a first running wheel 17 at one end, and the first running wheel 17 is connected to the first guide rail 19 through a first moving pair 41, and the first guide rail 19 is fixedly connected to the first longitudinal beam 5; the other end of the outer lifting frame 15 is connected to the lower bracket 21 through a first rotating pair 42. The inner lifting frame 16 is provided with a second running wheel 18 at one end, and the second running wheel 18 is connected to the second guide rail 20 through a second moving pair 43, and the second guide rail 20 is connected to the lower bracket 21; the other end of the inner lifting frame 16 is connected to the bottom frame 9 through a second rotating pair 44.

[0024] Comparison Figure 1 , Figure 2, the second lifting bracket group 11 has the same structure as the first lifting bracket group 10; the connection method of the second lifting bracket group 11 with the second longitudinal beam 7 and the lower bracket 21 is the same as the connection method of the first lifting bracket group 10 with the first longitudinal beam 5 and the lower bracket 21, and they are distributed in a mirror-symmetrical manner. The first lifting bracket group 10 and the second lifting bracket group 11 are connected through an intermediate connecting shaft 22. The first guide wheel shaft 12 connects the first travel wheel 17 in the first lifting bracket group 10 and the second lifting bracket group 11. The second guide wheel 13 shaft connects the second travel wheel 18 in the first lifting bracket group 10 and the second lifting bracket group 11. The first guide wheel shaft 12 and the second guide wheel shaft 13 play a synchronizing role, so that the first travel wheel 17 connected at both ends of the first guide wheel shaft 12 and the second travel wheel 18 connected at both ends of the second guide wheel shaft 13 run synchronously.

[0025] Comparison Figure 1 , Figure 2 , the first driving device 23 includes a driving cylinder 24, an inner lifting frame connecting shaft 25, and an outer lifting frame connecting shaft 26. One end of the driving cylinder 24 is connected to the inner lifting frame connecting shaft 25 through a third rotation pair 45, and the other end is connected to the outer lifting frame connecting shaft 26 through a fourth rotation pair 46. The inner lifting frame connecting shaft 25 is connected to the inner lifting frame 16 of the first lifting support group 10 and the second lifting support group 11; the outer lifting frame connecting shaft 26 is connected to the outer lifting frame 15 of the first lifting support group 10 and the second lifting support group 11.

[0026] Comparison Figure 2 , Figure 3 The conveying device 3 includes a second driving device 27, a first chain transmission device 28, a second chain transmission device 29, and a conveying frame 30. The second driving device 27 includes a driving motor 31, a reducer 32, a first transmission chain 33, and a transmission shaft 34. The output end of the driving motor 31 is fixedly connected to the input end of the reducer 32, and the output end of the reducer 32 is connected to the input end of the transmission shaft 34 through the first transmission chain 33. The transmission shaft 34 is also connected to the first chain transmission device 28 and the second chain transmission device 29. The reducer 32 is fixedly connected to the conveying frame 30.

[0027] Comparison Figure 3The first chain transmission device 28 includes a first sprocket 35, a second sprocket 36, and a second transmission chain 37. The first sprocket 35 is fixedly connected to the transmission shaft 34, and the second sprocket 36 is connected to the upper bracket 38 through a fifth rotating pair 47. The second transmission chain 37 is connected to the first sprocket 35 through a first gear pair 48, and the second transmission chain 37 is connected to the second sprocket 36 through a second gear pair 49. A cover plate 39 is provided on the second transmission chain 37. The second chain transmission device 29 has the same structure as the first chain transmission device 28. The cover plate 39 has a protective effect on the pallet.

[0028] Comparison Figure 1 , Figure 2 , Figure 3 The conveyor frame includes an upper bracket 38 and a lower bracket 21. The upper bracket 38 and the lower bracket 21 are welded by square steel; the upper bracket 38 and the lower bracket 21 are connected by a connecting column 40.

[0029] The actual working conditions of this type of chain lifting conveyor in specific operations are as follows:

[0030] Comparison Figure 4 , the lifting device 2 lifts the conveying device 3, the production line transfers a stack of plates to the conveying device 3, the conveying device transfers a stack of plates to the bottom of the gantry robot, the gantry robot grabs a plate and transfers it to other production lines; after each grabbing is completed, the lifting device 2 drives the conveying device to rise again to make up for the height difference of the stack of plates caused by the transfer of a plate, so as to better cooperate with the gantry robot to quickly transfer the plates.

[0031] Except for the technical features described in the specification, all other technical features are known technologies to the professionals in this field.

Claims

1. A chain lifting conveyor, comprising a frame, a lifting device, and a conveying device, characterized in that: The frame comprises a first cross beam, a first longitudinal beam, a second cross beam, a second longitudinal beam, and a column; the first longitudinal beam and the first cross beam are fixedly welded to form a bottom frame; the columns are distributed in an array on the bottom frame; The lifting device includes a first lifting bracket group, a second lifting bracket group, a first guide wheel shaft, a second guide wheel shaft, and a first driving device; the first lifting bracket group includes an outer lifting frame, an inner lifting frame, a first walking wheel, a second walking wheel, a first guide rail, and a second guide rail; a first walking wheel is arranged at one end of the outer lifting frame, the first walking wheel is connected to the first guide rail through a moving pair, and the first guide rail is fixedly connected to the first longitudinal beam; the other end of the outer lifting frame is connected to the lower bracket through a rotating pair; a second walking wheel is arranged at one end of the inner lifting frame, the second walking wheel is connected to the second guide rail through a moving pair, and the second guide rail is connected to the lower bracket; the other end of the inner lifting frame is connected to the bottom frame through a rotating pair.

2. A chain lifting conveyor according to claim 1, characterized in that: The second lifting bracket group has the same structure as the first lifting bracket group and is distributed in a mirror image; the connection method between the second lifting bracket group and the second longitudinal beam and the conveying device is the same as the connection method between the first lifting bracket group and the first longitudinal beam and the conveying device; the first lifting bracket and the second lifting bracket are connected through an intermediate connecting shaft; the first guide wheel shaft is connected to the first traveling wheel in the first lifting bracket group and the second lifting bracket group; the second guide wheel shaft is connected to the second traveling wheel in the first lifting bracket group and the second lifting bracket group.

3. A chain lifting conveyor according to claim 1, characterized in that: The first driving device includes a driving cylinder, an inner lifting frame connecting shaft, and an outer lifting frame connecting shaft; both ends of the driving cylinder are connected to the inner lifting frame connecting shaft and the outer lifting frame connecting shaft through a rotating pair; the inner lifting frame connecting shaft is connected to the inner lifting frames of the first lifting support group and the second lifting support group; the outer lifting frame connecting shaft is connected to the outer lifting frames of the first lifting support group and the second lifting support group.

4. The chain lifting conveyor according to claim 1, characterized in that: The conveying device includes a second driving device, a first chain transmission device, a second chain transmission device, and a conveying frame; the second driving device includes a driving motor, a reducer, a first transmission chain, and a transmission shaft; the output end of the driving motor is fixedly connected to the input end of the reducer, and the output end of the reducer is connected to the input end of the transmission shaft through the transmission chain; the transmission shaft is also connected to the first chain transmission device and the second chain transmission device; the reducer is fixedly connected to the conveying frame.

5. A chain lifting conveyor according to claim 4, characterized in that: The first chain transmission device includes a first sprocket, a second sprocket, and a second transmission chain; the first sprocket is fixedly connected to the transmission shaft, and the second sprocket is connected to the upper bracket through a rotating pair; the second transmission chain is connected to the first sprocket and the second sprocket through a gear pair, and a cover plate is provided on the second transmission chain; the second chain transmission device has the same structure as the first chain transmission device.

6. A chain lifting conveyor according to claim 4, characterized in that: The conveying frame comprises an upper bracket and a lower bracket; the upper bracket and the lower bracket are formed by welding square steel; the upper bracket and the lower bracket are connected by a connecting column.

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