Lifting device and method of using the same

Abstract

The cam is provided with two guide rails on the left side of the two guide rails, and two guide rails are provided on the lower frame opposite to the two guide rails at the upper end.

Description

Technical Field

[0001] The invention relates to a lifting device and a use method thereof, belonging to the field of production technology equipment. Background Art

[0002] At present, the total weight of the shelves after being filled in production is about 10Kg, and the production line operators have to carry them back and forth, which takes a long time; the fully loaded shelves are distributed by the material staff. Since there is more than one shelf during distribution, the production line operators can take them at will, and the first-in-first-out principle cannot be followed; the shelves are carried back and forth, and there are many auxiliary tooling (such as storage racks, round-trip transport vehicles, etc.), which results in high expenses; most of the storage racks made on the production line are not height-adjustable, which does not conform to the principles of ergonomics. Summary of the invention

[0003] In order to solve the above-mentioned deficiencies and shortcomings, the present invention proposes a lifting device and a method of using the same.

[0004] The technical solution adopted by the present invention to solve the technical problem is as follows:

[0005] A lifting device, characterized in that it includes a frame, which is divided into three layers inside the frame, three horizontal fixed pulleys are arranged on one short side of the bottom layer, two cylinder fixing plates are arranged on the two cross beams of the frame on the opposite side to fix the cylinder, one end of the cylinder piston rod is connected to the inside of the cylinder, and the other end of the cylinder piston rod is connected to the cylinder connecting block, and the cylinder connecting block is fixed to the movable pulley group, two lower pulley fixing plates and fixed pulleys are arranged on the frames on both sides of the long surface of the cylinder, and two upper pulley fixing plates and fixed pulleys are arranged on the upper frame opposite to the lower pulley fixing plates, two height blocks are arranged on the left side of the two upper pulley fixing plates, and two guide rail fixing seats are arranged on the left side of the two height blocks. Two guide rail fixing seats are also arranged on the lower frame opposite to the guide rail fixing seats, two guide rails are arranged in the four guide rail fixing seats, each guide rail has a slider, and a slider fixing seat is arranged on the inner side of each slider, the lifting bracket is fixed on the two slider fixing seats, two lifting ring fixing blocks are arranged on both sides of the lifting bracket, a conveying plate is fixed on the lifting bracket, six conveying rollers and two connecting rods are arranged in the conveying plate, a lifting baffle is arranged at the left end of the conveying plate, two symmetrical buffer brackets and buffers are arranged on the bottom connecting beam of the frame on the same straight line of the two guide rail fixing seats below, and each buffer has a buffered end aligned with the horizontal supporting end of the slider fixing seat; in the middle layer of the frame There are three transmission plates fixed side by side, and each transmission plate is connected and fixed by a pair of fixed plate connecting blocks, so that the three transmission plates fixed side by side are higher on the right and lower on the left, in a straight line and at an angle of 8° to 15° to the horizontal line. The transmission plate on the far right is fixed to the frame by the connecting plate, and a stop pin that can move up and down is respectively provided on the left and right sides of the transmission plate on the far left. The stop pin moves up and down through the bearing on the fixed bearing fixing plate, and the rotating rod is made to perform a lever movement with the pin shaft fixed on the rotating rod fixing block of the leftmost lower cross beam as the fulcrum. The distance of the rotating rod on the right side of the pin shaft is greater than the distance on the left side of the pin shaft, so that the rotating rod can keep the stop pin on the left side in a raised state without being subjected to force. , each stop pin has a sufficient length so that it will not fall off from the bearing when falling. A pressure block is provided at the lower middle position on the right side of the lifting bracket, and the pressure block is opposite to the leftmost end of the rotating rod; three transmission plates fixed side by side are provided on the uppermost layer of the frame, and each transmission plate is connected and fixed by a pair of fixed plate connecting blocks, so that the three transmission plates fixed side by side are lower on the right and higher on the left, and are in a straight line and are 5° to 8° to the horizontal line. A stop frame is provided on the rightmost side of the frame, and a hand-operated valve fixing plate is provided on the leftmost side of the frame. The hand-operated valve is fixed on the hand-operated valve fixing plate, and a height stopper is provided on the lower left side beam of the leftmost transmission plate; four casters are fixed at the four corners of the frame through four caster plates;One end of the wire rope is connected to a lifting ring fixed block, passes through the pulley on the upper pulley fixed plate on the same side to the pulley on the lower pulley fixed plate on the same side, then to the pulley on the right side of the bottom layer on the same side, detours to the pulley on the same side of the movable pulley group, then to the middle pulley on the right side of the bottom layer, then to another pulley of the movable pulley group, then to the third pulley on the right side of the bottom layer, then back to the pulley on the lower pulley fixed plate on the other side, then pass through the pulley on the upper pulley fixed plate on the other side, and finally the other end of the wire rope is connected to another lifting ring fixed block; the bottom of the shelf has an opening structure, the size of which is just enough for the stop pin to pass through and block the shelf from moving forward. ;

[0006] The lifting device is used in a method that when the conveying plate on the lifting bracket is at the uppermost position, that is, the rolling surface of the conveying plate on the lifting bracket is connected with the rolling surfaces of the three fixed conveying plates inclined to the right on the top layer of the frame, the rotating rod is in a state of no force, so that the stop pin on the left is in a raised state and the stop pin on the right is in a dropped state, the first shelf full of goods enters from the right side of the middle layer of the frame and moves to the left on the rolling surface under the action of its own gravity at the inclined angle formed by the three fixed conveying plates, the second shelf full of goods and the third shelf full of goods follow and fill the middle layer of the frame, and under the joint action of the stop pin on the left and the height baffle, the first shelf stays on the leftmost conveying plate, at this time, the movable pulley block is closest to the cylinder; when the hand lever valve is rotated, the cylinder controls the position of the movable pulley block to be the farthest from the cylinder, so that the conveying plate on the lifting bracket drops to the bottom, and the descent of the lifting bracket is buffered by the buffer to avoid the lifting bracket The shelf is then moved to the right by the operator, and the rack is then moved to the right by the operator, and the rack is then moved to the right by the operator, and the rack is then moved to the right by the operator, and the rack is then moved to the left by the operator, and the rack is then moved to the right ...

[0007] The beneficial effects achieved by the present invention are: there is no transportation time, the work rhythm is improved, and the operator can work easily; the products put in first will be produced first according to the material clerk's loading time, which fully reflects the first-in-first-out principle; the previous storage rack has a limited number of PCB frames, but now the storage number has increased, and the product storage rack has been replaced; the height can be stopped at any position, and the operator can adjust the operating height according to his own height, which is in line with ergonomics; full boxes are automatically replenished and empty boxes can be retrieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0009] Figure 1 It is a three-dimensional structural diagram of the present invention;

[0010] Figure 2 It is a three-dimensional structural diagram of the present invention;

[0011] Figure 3 It is a partial three-dimensional structural diagram of the present invention;

[0012] Figure 4 It is a partial three-dimensional structural diagram of the present invention.

[0013] In the figure: 1, frame; 2, conveying plate; 3, lifting bracket; 4, connecting plate; 5, fixing plate connecting block; 6, stop pin; 7, lifting ring fixing block; 8, pressing block; 9, caster plate; 10, conveying roller; 11, hand lever valve fixing plate; 12, pin shaft; 13, connecting rod; 14, height stop block; 15, rotating rod; 16, stop pin connecting plate; 17, bearing fixing plate; 18, cylinder connecting block; 19, cylinder fixing plate; 20, upper pulley Fixed plate; 21. Lower pulley fixing plate; 22. Slider fixing seat; 23. Guide rail fixing seat; 24. Lifting baffle; 25. Rotating rod fixing block; 26. Height baffle; 27. Buffer bracket; 28. Pulley; 29. ​​Caster; 30. Cylinder; 31. Bearing; 32. Hand lever valve; 33. Wire rope; 34. Cylinder piston rod; 35. Guide rail; 36. Slider; 37. Movable pulley block; 38. Buffer; 39. Shelf. DETAILED DESCRIPTION

[0014] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. 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.

[0015] In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. Example

[0018] like Figures 1 to 3As shown, a lifting device includes a frame 1, which is divided into three layers inside the frame 1. Three horizontal fixed pulleys 28 are arranged on one short side of the bottom layer, and two cylinder fixing plates 19 are arranged on the two cross beams of the frame 1 on the opposite side to fix the cylinder 30. One end of the cylinder piston rod 34 is connected to the inside of the cylinder 30, and the other end of the cylinder piston rod 34 is connected to the cylinder connecting block 18. The cylinder connecting block 18 is fixed on a movable pulley group 37. Two lower pulley fixing plates 21 are arranged on the frame 1 on both sides of the long surface of the cylinder 30 and are equipped with fixed pulleys 28. Two upper pulley fixing plates 20 are arranged on the upper frame 1 opposite to the lower pulley fixing plate 21 and are equipped with fixed pulleys 28. Two height blocks 14 are provided on the left side of the two upper pulley fixing plates 20, two guide rail fixing seats 23 are provided on the left side of the two height blocks 14, two guide rail fixing seats 23 are also provided on the lower frame 1 opposite to the two upper guide rail fixing seats 23, two guide rails are provided in the four guide rail fixing seats, each guide rail has a slider 36, and a slider fixing seat 22 is provided on the inner side of each slider 36, the lifting bracket 3 is fixed on the two slider fixing seats 22, two lifting ring fixing blocks 7 are provided on both sides of the lifting bracket 3, a conveying plate 2 is fixed on the lifting bracket 3, six conveying rollers 10 and two connecting rods 13 are provided in the conveying plate 2, and the conveying rollers 10 and two connecting rods 13 are provided in the conveying plate 2. A lifting baffle 24 is provided at one end of the left side of the plate 2, and two symmetrical buffer brackets 27 and buffers 38 are provided on the bottom connecting beam of the frame 1 on the same straight line of the two guide rail fixing seats 23 below, and each buffer 38 has a buffered end aligned with the horizontal supporting end of the slider fixing seat 22; three conveyor plates 2 fixed side by side are provided in the middle layer of the frame 1, and each conveyor plate 2 is connected and fixed by a pair of fixed plate connecting blocks 5, so that the three conveyor plates 2 fixed side by side are higher on the right and lower on the left, and are in a straight line and are 8° to 15° with the horizontal line, and the rightmost conveyor plate 2 is fixed to the frame 1 by the connecting plate 4, and on the left and right sides of the leftmost conveyor plate 2 Each is provided with a stop pin 6 that can move up and down, and the stop pin 6 moves up and down through the bearing 31 fixed on the bearing fixing plate 17, and the rotating rod 15 is subjected to a lever movement with the pin shaft 12 fixed on the rotating rod fixing block 25 of the leftmost lower cross beam as a fulcrum. The distance of the rotating rod 15 on the right side of the pin shaft 12 is greater than its distance on the left side of the pin shaft 12, so that the rotating rod 15 can keep the stop pin 6 on the left side in a raised state without being subjected to force, and each stop pin 6 has a sufficient length so that it will not fall off from the bearing 31 when it falls. A pressure block 8 is provided at the lower middle position on the right side of the lifting bracket 3, and the pressure block 8 is directly opposite to the leftmost end of the rotating rod 15;Three conveyor plates 2 fixed side by side are arranged on the uppermost layer of the frame 1, and each conveyor plate 2 is connected and fixed by a pair of fixed plate connecting blocks 5, so that the three conveyor plates 2 fixed side by side are arranged in a straight line with the right side lower and the left side higher and the angle of 5° to 8° with the horizontal line. A stop frame is arranged on the rightmost side of the frame 1, and a hand-operated valve fixing plate 11 is arranged on the leftmost side of the frame 1. A hand-operated valve 32 is fixed on the hand-operated valve fixing plate 11. A height baffle 26 is arranged on the left lower crossbeam of the conveyor plate 2 at the leftmost end; four casters 29 are fixed at the four corners below the frame 1 through four caster plates 9; one end of the wire rope 33 is connected to a lifting ring for fixing Block 7, through the pulley on the upper pulley fixing plate 20 on the same side to the pulley on the lower pulley fixing plate 21 on the same side, then to the pulley on the right side of the bottom layer on the same side, bypassing the pulley on the same side of the movable pulley group 37, then to the middle pulley on the right side of the bottom layer, then to another pulley of the movable pulley group 37, then to the third pulley on the right side of the bottom layer, then back to the pulley on the lower pulley fixing plate 21 on the other side, then through the pulley on the upper pulley fixing plate 20 on the other side, and finally the other end of the wire rope 33 is connected to another lifting ring fixing block 7; the bottom of the shelf 39 has an opening structure, the size of which is just enough to be passed by the stop pin 6 and prevent the shelf 39 from moving forward. ;

[0019] Working principle: when the conveyor plate 2 on the lifting bracket 3 is at the topmost position, that is, the rolling surface of the conveyor plate 2 on the lifting bracket 3 is connected with the rolling surfaces of the three fixed conveyor plates 2 inclined to the right on the top layer of the frame 1, the rotating rod 15 is in a state of no force, so that the stop pin on the left is in a raised state and the stop pin on the right is in a fallen state, the first shelf full of goods enters from the right side of the middle layer of the frame 1 and moves to the left on the rolling surface under the action of its own gravity at the inclination angle formed by the three fixed conveyor plates 2, the second shelf full of goods and the third shelf full of goods follow and fill the middle layer of the frame 1, and under the joint action of the stop pin on the left and the height baffle 26, the first shelf stays on the conveyor plate 2 on the farthest left, at this time the movable pulley block 37 is closest to the cylinder 30; when the hand valve 32 is rotated, the cylinder 30 controls the position of the movable pulley block 37 to be the farthest from the cylinder 30, so that the conveyor plate 2 on the lifting bracket 3 drops to the bottom, and the buffer 38 is used to buffer the descent of the lifting bracket 3 to avoid the lifting bracket The rack 3 is damaged due to the excessively fast descending speed, the pressing block 8 on the lifting bracket 3 will press on the leftmost end of 15 and make the rotating rod 15 in a state of left lower and right higher, and make the stop pin on the left side descend and the stop pin on the right side rise, and the rising stop pin on the right side can just block the second rack full of goods and prevent it from sliding, and the first rack full of goods will continue to move to the left under the action of gravity and the inclined surface and finally stop on the conveying plate 2 on the lifting bracket 3, and then rotate the hand lever valve 32 to make the cylinder 30 control the movable pulley block Position 37 is the closest to the cylinder 30. The wire rope 33 is used to pull the lifting ring fixing block 7 to make the shelf rise. It stops after reaching the highest point. Then the operator on the left side empties the shelf full of goods and pushes it to the right. Then, through the combined effect of the shelf's own gravity and the inclined surface formed by the three fixed conveyor plates on the top layer of the frame 1, the shelf moves to the right by itself. Finally, it is stopped by the stop frame on the rightmost side above the frame 1. Then the operator on the right side takes out and fills the shelf again, and then puts it into the middle layer of the frame 1, and the cycle continues.

[0020] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A lifting device, characterized in that: The invention comprises a frame, which is divided into three layers inside the frame, three horizontal fixed pulleys are arranged on the short side of one side of the bottom layer, two cylinder fixing plates are arranged on the two cross beams of the frame on the opposite side to fix the cylinder, one end of the cylinder piston rod is connected to the inside of the cylinder, the other end of the cylinder piston rod is connected to the cylinder connecting block, the cylinder connecting block is fixed on the movable pulley group, two lower pulley fixing plates and fixed pulleys are arranged on the frames on both sides of the long surface of the cylinder, two upper pulley fixing plates and fixed pulleys are arranged on the upper frame opposite to the lower pulley fixing plates, two height blocks are arranged on the left side of the two upper pulley fixing plates, two guide rail fixing seats are arranged on the left side of the two height blocks, and a lower pulley fixing plate is arranged on the frame opposite to the two upper guide rail fixing seats. The square frame is also provided with two guide rail fixing seats, two guide rails are provided in the four guide rail fixing seats, each guide rail has a slider, and a slider fixing seat is provided on the inner side of each slider, the lifting bracket is fixed on the two slider fixing seats, two lifting ring fixing blocks are provided on both sides of the lifting bracket, a conveying plate is fixed on the lifting bracket, six conveying rollers and two connecting rods are provided in the conveying plate, a lifting baffle is provided at the left end of the conveying plate, two symmetrical buffer brackets and buffers are provided on the bottom connecting beam of the frame on the same straight line of the two guide rail fixing seats below, and each buffer has a buffer end aligned with the horizontal supporting end of the slider fixing seat; three side-by-side fixed The transmission plates are fixed, and each transmission plate is connected and fixed by a pair of fixed plate connecting blocks, so that the three transmission plates fixed side by side are higher on the right and lower on the left, in a straight line and at an angle of 8° to 15° to the horizontal line. The transmission plate on the far right is fixed to the frame by the connecting plate, and a stop pin that can move up and down is provided on each of the left and right sides of the transmission plate on the far left. The stop pin moves up and down through the bearing on the fixed bearing fixing plate, and the rotating rod is made to perform a lever movement with the pin shaft fixed on the rotating rod fixing block of the leftmost lower cross beam as the fulcrum. The distance of the rotating rod on the right side of the pin shaft is greater than the distance on the left side of the pin shaft, so that the rotating rod can keep the stop pin on the left side in a raised state without being subjected to force. The stop pin has a sufficient length so that it will not fall off the bearing when it falls. A pressure block is provided at the lower middle position on the right side of the lifting bracket, and the pressure block is opposite to the leftmost end of the rotating rod; three transmission plates fixed side by side are provided on the uppermost layer of the frame, and each transmission plate is connected and fixed by a pair of fixed plate connecting blocks, so that the three transmission plates fixed side by side are lower on the right and higher on the left, and are in a straight line and are 5° to 8° to the horizontal line. A stop frame is provided on the rightmost side of the frame, and a hand-operated valve fixing plate is provided on the leftmost side of the frame, and the hand-operated valve is fixed on the hand-operated valve fixing plate. A height stopper is provided on the lower left side beam of the leftmost transmission plate; four casters are fixed at the four corners of the frame through four caster plates;One end of the wire rope is connected to a lifting ring fixed block, passes through the pulley on the upper pulley fixed plate on the same side to the pulley on the lower pulley fixed plate on the same side, then to the pulley on the right side of the bottom layer on the same side, detours to the pulley on the same side of the movable pulley group, then to the middle pulley on the right side of the bottom layer, then to another pulley of the movable pulley group, then to the third pulley on the right side of the bottom layer, then back to the pulley on the lower pulley fixed plate on the other side, then pass through the pulley on the upper pulley fixed plate on the other side, and finally the other end of the wire rope is connected to another lifting ring fixed block; the bottom of the shelf has an opening structure, the size of which is just enough for the stop pin to pass through and block the shelf from moving forward. ; 2. A method for using a lifting device according to claim 1, characterized in that: When the conveyor plate on the lifting bracket is at the uppermost position, that is, the rolling surface of the conveyor plate on the lifting bracket is connected with the rolling surfaces of the three fixed conveyor plates inclined on the right side of the top layer of the frame, the rotating rod is in a state of no force, so that the stop pin on the left is in a raised state and the stop pin on the right is in a fallen state, and the first shelf full of goods enters from the right side of the middle layer of the frame and moves to the left on the rolling surface under the action of its own gravity at the inclination angle formed by the three fixed conveyor plates. The second shelf full of goods and the third shelf full of goods follow and fill the middle layer of the frame, and under the joint action of the stop pin on the left and the height baffle, the first shelf stays on the leftmost conveyor plate. At this time, the movable pulley block is closest to the cylinder; when the hand valve is rotated, the cylinder controls the position of the movable pulley block to the farthest end of the cylinder, so that the conveyor plate on the lifting bracket drops to the bottom, and the descent of the lifting bracket is buffered by the buffer to prevent the lifting bracket from descending too fast The second shelf full of goods will not slide quickly and cause damage. The pressure block on the lifting bracket will be pressed on the far left end and make the rotating rod in a state of left low and right high, and the stop pin on the left will drop while the stop pin on the right will rise. The rising stop pin on the right can just block the second shelf full of goods and prevent it from sliding. The first shelf full of goods will continue to move to the left under the action of gravity and the inclined surface and finally stay on the conveying plate on the lifting bracket. Then the hand valve is rotated to make the cylinder control the position of the movable pulley group closest to the cylinder, and the lifting ring fixing block is pulled by the wire rope to make the shelf rise, and stop after rising to the highest point. The operator on the left will empty the shelf full of goods and push it to the right, and then through the combined action of the shelf's own gravity and the inclined surface formed by the three fixed conveying plates on the top layer of the frame, the shelf moves to the right by itself, and is finally blocked and stopped by the stop frame on the far right above the frame. The operator on the right takes it out and fills the shelf again, and then puts it into the middle layer of the frame, and so on.

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