Tire automatic feeding double-positioning mechanism

Abstract

The utility model discloses an automatic tire feeding double-positioning mechanism. The automatic tire feeding double-positioning mechanism comprises a coarse positioning mechanism and a fine positioning mechanism, wherein the coarse positioning mechanism is used for centering a tire; the fine positioning mechanism is used for jacking the tire; the coarse positioning mechanism comprises a frame and a centering mechanism; the frame is fixed on a roller line for conveying tires; the centering mechanism is installed on the frame, the roller line penetrates through the centering mechanism, and a plurality of tires stacked on the roller line are subjected to left-right position centering through the clamping effect of the centering mechanism; the fine positioning mechanism comprises a frame body and a jacking mechanism; the frame is located at the tail end of the roller line. The jacking mechanism is installed on the frame body and used for jacking the tire conveyed to the to-be-grabbed position located at the tail end of the roller line, and accurate clamping and positioning of the tire by the mechanical clamping jaw are achieved. The automatic tire centering device can be suitable for automatic tire centering operation in an automatic tire feeding system of a multi-tonnage excavator, manual operation is replaced by a mechanical structure, the labor intensity during operation is effectively reduced, and the assembly efficiency and the safety coefficient are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of automatic tire feeding double positioning mechanism, belong to engineering machinery technical field. BACKGROUND

[0002] At present, tire feeding generally uses forklift feeding, manual hoisting carries out tire centering operation. According to the weight of tire, multiple people are needed to cooperate with lifting appliance and crane to adjust the tire placement position, so as to facilitate the accurate clamping of mechanical clamps.

[0003] The prior art mainly has the following problems:

[0004] 1. Since the forklift placement position is not accurate, the tire needs to be frequently adjusted by crane, and the personnel occupancy rate is high.

[0005] 2. Manual operation needs to climb to the placement tool, install the lifting appliance and then operate the crane for centering, which has safety risks.

[0006] 3. Manual centering cannot meet the consistent position of multiple tires after centering, which causes the subsequent mechanical clamps to be unable to accurately clamp the tire, and there is a risk of equipment failure. SUMMARY

[0007] The utility model provides a kind of automatic tire feeding double positioning mechanism, for the operation content of tire automatic centering after forklift feeding, uses connecting rod centering rough positioning mechanism and cylinder lifting precision positioning mechanism, instead of manual hoisting operation, effectively reduce the labor intensity in operation process.

[0008] The utility model realizes the following technical scheme:

[0009] The utility model provides a kind of automatic tire feeding double positioning mechanism, including rough positioning mechanism for the tire and precision positioning mechanism for the tire lifting;The rough positioning mechanism includes frame and centering mechanism;Frame is fixed on the roller line for conveying tire;Centering mechanism is installed on the frame, the roller line passes through the centering mechanism, and the multiple tires stacked on the roller line are centered in left and right positions by the clamping action of the centering mechanism;The precision positioning mechanism includes frame body and jacking mechanism;Frame body is located at the tail end of the roller line;Jacking mechanism is installed on the frame body, for lifting the tire after conveying to the position to be grabbed at the end of roller line, realizes the accurate clamping positioning of mechanical clamps to tire.

[0010] In some embodiments, the centering mechanism includes:

[0011] A pair of mutually opposed centering clamps are arranged in the frame;

[0012] A pair of centering clamps are slidingly connected to the upper and lower rails of the frame;

[0013] A pair of link mechanisms are fixed to the upper and lower surfaces of the frame, and the two free ends of the link mechanisms are hingedly connected to the two centering clamps;

[0014] A telescopic power component is fixed to one side surface of the frame, and the telescopic part of the telescopic power component is connected to the centering clamps near the side surface. Through the telescopic movement of the telescopic power component and the action of the link mechanisms, the two centering clamps move towards or away from each other, thereby performing left and right centering operations on the multiple tires stacked between the two centering clamps.

[0015] In some embodiments, the link mechanisms include:

[0016] A first link mechanism is hingedly connected to the upper or lower surface of the frame;

[0017] A second link mechanism is hingedly connected to one free end of the first link mechanism on the right side, and the left end is hingedly connected to the left centering clamp;

[0018] A third link mechanism is hingedly connected to the other free end of the first link mechanism on the left side, and the right end is hingedly connected to the right centering clamp.

[0019] In some embodiments, the telescopic power component is a driving cylinder or a driving oil cylinder, the cylinder barrel is fixed to the frame through a cylinder barrel support, and the telescopic rod is connected to the centering clamps. A proximity sensor is installed on the drum line near the centering mechanism, and the proximity sensor is connected to the telescopic power component. When the proximity sensor detects a tire, the telescopic power component extends to drive the two centering clamps to move towards each other. When the proximity sensor does not detect a tire, the telescopic power component retracts to drive the two centering clamps to move away from each other.

[0020] In some embodiments, the frame includes:

[0021] A fixed bottom plate is arranged on a horizontal plane;

[0022] A pair of vertical plates opposite to each other are fixed on the fixed bottom plate with a certain interval;

[0023] A linear rail is arranged on the upper region of the opposite side surfaces of the two vertical plates.

[0024] In some embodiments, the jacking mechanism includes:

[0025] A telescopic power component is fixed to the middle region of the fixed bottom plate;

[0026] The slide frame is installed on the line rail on both sides and is connected with the telescopic part of the telescopic power component, and the slide frame is driven by the telescopic power component to move up and down on the line rail on both sides.

[0027] The positioning component is installed on the slide frame, the mechanical clamping jaw grabs the tire, and the positioning component can adjust the position of the tire for the mechanical clamping jaw.

[0028] In some embodiments, the positioning component is composed of a plurality of rollers arranged side by side at a predetermined interval in the same plane.

[0029] In some embodiments, a cross beam is arranged in the slide frame, the telescopic part of the telescopic power component is connected with the cross beam, a limiting seat composed of two vertically arranged vertical plates is arranged in the middle region of the fixed base plate, the telescopic power component and the cross beam are arranged in the limiting seat, a limiting plate for limiting the lifting height of the cross beam is arranged in the upper region of the limiting seat, and a stop block is arranged in the middle region of each of the opposite side surfaces of the two vertical plates.

[0030] In some embodiments, the telescopic power component is a driving cylinder or a driving oil cylinder, the cylinder barrel of the telescopic power component is fixed on the fixed base plate, and the telescopic rod is connected with the slide frame; a proximity sensor is arranged on the roller line close to the jacking mechanism, and the proximity sensor is connected with the telescopic power component; when the proximity sensor detects the tire, the telescopic power component is extended to drive the slide frame to jack up the tire; and when the proximity sensor does not detect the tire, the telescopic power component is retracted to drive the slide frame to return to the original position.

[0031] In some embodiments, the fine positioning mechanism is two, and is symmetrically arranged on both sides of the tire grabbing position at the end of the roller line, and the two fine positioning mechanisms jointly jack up the tire.

[0032] The utility model discloses beneficial effects:

[0033] The utility model discloses be applicable to the automatic centering operation of tire in the automatic loading system of multi-tonnage excavator tire, replace manual operation with mechanical structure, effectively reduce the labor intensity when operating, improve assembly efficiency and safety factor. BRIEF DESCRIPTION OF DRAWINGS

[0034] The accompanying drawings are part of the utility model and are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and the description thereof are used to explain the utility model, but do not constitute improper limitation on the utility model. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained according to these drawings without creative labor for ordinary skilled in the art.

[0035] In the drawings:

[0036] Figure 1 It is the schematic view of the coarse positioning mechanism of the utility model.

[0037] Figure 2 It is the schematic view of the fine positioning mechanism of the utility model.

[0038] The figure mark: 1 - centering clamping plate, 2 - upper connecting rod mechanism, 3 - telescopic power component, 4 - frame, 5 - lower connecting rod mechanism, 6 - slide rail, 7 - first connecting rod, 8 - second connecting rod, 9 - third connecting rod, 10 - fixed bottom plate, 11 - vertical plate, 12 - wire rail, 13 - telescopic power component, 14 - slide, 15 - roller, 16 - limit seat, 17 - limit plate, 18 - stop block.

[0039] It should be noted that these drawings and textual descriptions are not intended to limit the scope of the concept of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.

[0041] In the description of the utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0042] In the description of the utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0043] As Figure 1 , Figure 2As shown in the figure, the automatic tire feeding double positioning mechanism comprises a coarse positioning mechanism for centering the tire and a fine positioning mechanism for jacking up the tire; the coarse positioning mechanism comprises a frame and a centering mechanism; the frame is fixed on a cylinder line for conveying the tire; the centering mechanism is installed on the frame, the cylinder line passes through the centering mechanism, and the multiple tires stacked on the cylinder line are centered in left and right positions through the clamping action of the centering mechanism; the fine positioning mechanism comprises a frame body and a jacking mechanism; the frame body is located at the tail end of the cylinder line; the jacking mechanism is installed on the frame body and is used for jacking up the tire conveyed to the waiting grabbing position at the tail end of the cylinder line, so as to realize the accurate clamping and positioning of the mechanical clamping jaw on the tire.

[0044] The utility model uses simple mode, only need to fork truck to stack tire to cylinder line just can satisfy the accurate feeding of tire, realize the accurate clamping of mechanical clamping jaw to tire.

[0045] The specific structure of the centering mechanism is further described below.

[0046] Continuing to refer to Figure 1 The centering mechanism comprises a pair of centering clamps 1, a slide rail 6, an upper connecting rod mechanism 2, a lower connecting rod mechanism 5 and an extension power component 3; the pair of centering clamps 1 are arranged in the frame 4; the slide rail 6 is fixed at the upper top surface and the lower bottom surface of the frame 4 respectively, and the two centering clamps 1 are slidingly connected to the upper and lower slide rails 6; the upper connecting rod mechanism 2 and the lower connecting rod mechanism 5 are fixed at the upper top surface and the lower bottom surface of the frame 4 respectively, and the two free ends of the upper connecting rod mechanism 2 and the lower connecting rod mechanism 5 are hingedly connected to the two centering clamps 1; the fixed part of the extension power component 3 is installed on a side vertical surface outside the frame 4, and the extension part of the extension power component 3 is connected to the centering clamp 1 close to the side vertical surface; through the extension movement of the extension power component 3 and the action of the upper connecting rod mechanism 2 and the lower connecting rod mechanism 5, the two centering clamps 1 are moved towards or away from each other, and then the multiple tires stacked together between the two centering clamps 1 are centered in left and right positions.

[0047] The specific structure of the connecting rod mechanism is further described below.

[0048] Continuing to refer to Figure 1 The upper connecting rod mechanism 2 and the lower connecting rod mechanism 5 each comprise a first connecting rod 7, a second connecting rod 8 and a third connecting rod 9; the middle part of the first connecting rod 7 is hingedly connected to the upper top surface or the lower bottom surface of the frame 4; the right end of the second connecting rod 8 is hingedly connected to one free end of the first connecting rod 7, and the left end is hingedly connected to the left centering clamp 1; the left end of the third connecting rod 9 is hingedly connected to the other free end of the first connecting rod 7, and the right end is hingedly connected to the right centering clamp 1.

[0049] The preferred scheme is that the telescopic power component 3 is a driving cylinder or a driving oil cylinder, the cylinder barrel is fixed on the frame 4 through the cylinder barrel support, and the telescopic rod is connected with the centering clamp plate 1; a proximity sensor is installed on the drum line close to the centering mechanism, and the proximity sensor is connected with the telescopic power component 3; when the proximity sensor detects the tire, the telescopic power component 3 extends to drive the two side centering clamp plates 1 to move towards each other; when the proximity sensor does not detect the tire, the telescopic power component 3 retracts to drive the two side centering clamp plates 1 to move away from each other.

[0050] It should be noted that, Figure 1 The frame 4 is provided with two groups of centering mechanisms arranged side by side, which can simultaneously center the multiple tires stacked on the two drum lines in left and right positions, thereby improving the work efficiency. Of course, in actual use, three groups of centering mechanisms can also be arranged side by side in one frame 4.

[0051] The specific structure of the frame body and the jacking mechanism will be further described below.

[0052] Continuing to refer to Figure 2 The frame body includes a fixed bottom plate 10, a pair of opposite vertical plates 11 and a linear rail 12; the fixed bottom plate 10 is arranged on the horizontal plane; the pair of opposite vertical plates 11 are fixed on the fixed bottom plate 10 with a certain interval; and the linear rail 12 is arranged on the upper region of the opposite side vertical surfaces of the two vertical plates 11. The jacking mechanism includes a telescopic power component 13, a sliding frame 14 and a positioning component; the fixed part of the telescopic power component 13 is installed at the middle region of the fixed bottom plate 10; the sliding frame 14 is installed on the two linear rails 12 and connected with the telescopic part of the telescopic power component 13, so that the sliding frame 14 is driven by the telescopic power component 13 to move up and down on the two linear rails 12; and the positioning component is installed on the sliding frame 14, the mechanical clamping jaw grabs the tire, and the positioning component can adjust the position of the mechanical clamping jaw.

[0053] In a further scheme, continuing to refer to Figure 2 The positioning component is composed of a plurality of rollers 15 arranged side by side with a predetermined interval in the same plane.

[0054] In a further scheme, continuing to refer to Figure 2 The sliding frame 14 is provided with a cross beam, and the telescopic part of the telescopic power component 13 is connected with the cross beam; the middle region of the fixed bottom plate 10 is fixed with a limiting seat 16 composed of two vertically arranged vertical plates, the telescopic power component 13 and the cross beam are located in the limiting seat 16, the upper region of the limiting seat 16 is fixed with a limiting plate 17 for limiting the lifting height of the cross beam; and the middle regions of the opposite side vertical surfaces of the two vertical plates 11 are each fixed with a stop block 18 opposite to each other, for supporting the retracted sliding frame 14.

[0055] Preferably, the telescopic power component 13 is a driving cylinder or a driving oil cylinder, the cylinder barrel of which is fixed on the fixed base plate 10, and the telescopic rod is connected with the sliding frame 14; a proximity sensor is installed on the drum line near the jacking mechanism, and the proximity sensor is connected with the telescopic power component 13; when the proximity sensor detects the tire, the telescopic power component 13 extends to drive the sliding frame to jack up the tire; when the proximity sensor does not detect the tire, the telescopic power component 13 retracts to drive the sliding frame to return to the original position.

[0056] It should be noted that the fine positioning mechanism is two, symmetrically arranged on both sides of the tire grabbing position at the end of the drum line, and the fine positioning mechanism on both sides cooperates to jack up the tire.

[0057] The working process of the above-mentioned automatic tire feeding double positioning mechanism is as follows:

[0058] The coarse positioning mechanism: 1. After the tire is fed to the drum line by the forklift, the drum line transmits the tire to the centering mechanism position; 2. The proximity sensor senses the tire position and mobilizes the telescopic cylinder to push the connecting rod mechanism; 3. The connecting rod mechanism pushes the two sides of the centering clamping plate to move towards each other to realize clamping, and then realizes tire centering.

[0059] The fine positioning mechanism: 1. The tire is transmitted to the grabbing position, and the proximity sensor at the lifting position senses the tire; 2. The lifting cylinder rises to jack up the tire; 3. The mechanical clamping jaw grabs the tire, and the tire is automatically moved by the unpowered drum, which can meet the adjustment of the tire position by the mechanical clamping jaw, and realize the accurate clamping and positioning of the tire.

[0060] In summary, the present application provides an automatic tire feeding double positioning mechanism, which realizes the following functions:

[0061] (1) Two sets of coarse positioning and fine positioning mechanisms are adopted to complete the centering effect to meet the left and right centering of the tire.

[0062] (2) In the coarse positioning mechanism, the proximity sensor can sense the tire to the centering position, and the cylinder pushes the clamping plate to perform the centering action.

[0063] (3) In the fine positioning mechanism, the proximity sensor can sense the tire position, the lifting cylinder cooperates with the unpowered drum to realize the automatic movement of the tire, and meet the stability and placement accuracy of the tire grabbed by the mechanical hand.

[0064] In the specification provided herein, a large number of specific details are described. However, it can be understood that the embodiments of the present application can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail in order not to obscure the understanding of the present specification.

[0065] In addition, those skilled in the art can understand that although some embodiments described herein include certain features included in other embodiments rather than other features, combinations of features of different embodiments also mean to be within the protection scope of the present application and form different embodiments. For example, in the above embodiments, those skilled in the art can use in a combined manner according to the known technical solutions and the technical problems to be solved by the present application.

[0066] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications within the scope of the technical solutions of the present application by using the above-mentioned technical content, and equivalent embodiments with equivalent changes are equivalent. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application are still within the scope of the present application.

Claims

1. A dual positioning mechanism for automatic tire loading, characterized by: It includes a coarse positioning mechanism for centering the tire and a fine positioning mechanism for lifting the tire; The coarse positioning mechanism comprises: a frame fixed to a roller line for conveying tires; A centering mechanism is mounted on the frame, through which the roller line passes, and the multiple tires stacked on the roller line are centered left and right by the clamping action of the centering mechanism; The precise positioning mechanism comprises: A frame body is located at the tail end of the roller line; The lifting mechanism is installed on the frame and is used to lift the tire after it is transported to the position to be grasped at the end of the roller line, so that the mechanical clamp can accurately clamp and position the tire.

2. The tire automatic feeding dual positioning mechanism according to claim 1, characterized in that: The centering mechanism comprises: a pair of centering plates facing each other and arranged in the frame; Slide rails are fixed to the upper top surface and the lower bottom surface of the frame respectively, and the two centering clamps are slidably connected to the upper and lower slide rails; A connecting rod mechanism is fixed to the upper top surface and the lower bottom surface of the frame, and the two free ends of the connecting rod mechanism are hinged to the centering clamping plates on both sides; A telescopic power component, the fixed part of which is installed on a side facade outside the frame, and the telescopic part is connected to the centering plate close to the side facade. Through the telescopic movement of the telescopic power component and the action of the connecting rod mechanism, the two centering plates can move towards or away from each other, thereby performing left and right centering operations on multiple stacked tires located between the two centering plates.

3. The tire automatic feeding dual positioning mechanism according to claim 2, characterized in that: The connecting rod mechanism comprises: a first connecting rod, a middle region of which is hinged to the upper top surface or the lower bottom surface of the frame; a second connecting rod, the right end of which is hinged to a free end of the first connecting rod, and the left end of which is hinged to the left centering plate; The third connecting rod has a left end hinged to the other free end of the first connecting rod, and a right end hinged to the right centering clamping plate.

4. The tire automatic loading dual positioning mechanism according to claim 2, characterized in that: The telescopic power component is a driving cylinder or a driving oil cylinder, the cylinder of which is fixed to the frame through a cylinder support, and the telescopic rod is connected to the centering clamp; A proximity sensor is installed on the roller line near the centering mechanism, and the proximity sensor is connected to the telescopic power component; when the proximity sensor detects the tire, the telescopic power component extends to drive the centering clamps on both sides to move toward each other; when the proximity sensor does not detect the tire, the telescopic power component retracts to drive the centering clamps on both sides to move away from each other.

5. The tire automatic feeding dual positioning mechanism according to claim 1, characterized in that: The frame comprises: Fixed bottom plate, arranged on a horizontal plane; A pair of vertical plates facing each other are fixed to the fixed base plate at intervals; The linear rails are respectively arranged on the upper areas of the opposite side facades of the two vertical plates.

6. The tire automatic loading dual positioning mechanism according to claim 5, characterized in that: The jacking mechanism comprises: A telescopic power component, the fixed portion of which is installed in the middle area of ​​the fixed base plate; The slide is installed on the linear rails on both sides and is connected to the telescopic part of the telescopic power component. The telescopic power component drives the slide to move up and down on the linear rails on both sides; The positioning component is installed on the slide, and the mechanical gripper grabs the tire. The positioning component can be used to adjust the position of the tire by the mechanical gripper.

7. The tire automatic loading dual positioning mechanism according to claim 6, characterized in that: The positioning member is composed of a plurality of rollers arranged side by side at predetermined intervals in the same plane.

8. The tire automatic loading dual positioning mechanism according to claim 6, characterized in that: A crossbeam is provided in the slide, and the telescopic portion of the telescopic power component is connected to the crossbeam; A limit seat consisting of two spaced-apart vertical plates is fixed in the middle area of ​​the fixed base plate, the telescopic power component and the crossbeam are located in the limit seat, and a limit plate for limiting the lifting height of the crossbeam is fixed in the upper area of ​​the limit seat; A stopper opposite to each other is fixed to the middle area of ​​the opposite side surfaces of the two vertical plates for supporting the retracted sliding frame.

9. The tire automatic loading dual positioning mechanism according to claim 6, characterized in that: The telescopic power component is a driving cylinder or a driving oil cylinder, the cylinder barrel of which is fixed to the fixed base plate, and the telescopic rod is connected to the slide; A proximity sensor is installed on the drum line near the jacking mechanism, and the proximity sensor is connected to the telescopic power component; when the proximity sensor detects the tire, the telescopic power component extends to drive the slide to jack up the tire; when the proximity sensor does not detect the tire, the telescopic power component retracts to drive the slide to return to its original position.

10. The tire automatic loading dual positioning mechanism according to claim 1, characterized in that: There are two precise positioning mechanisms, which are symmetrically arranged on both sides of the position to be grasped at the end of the roller line, and the tire is lifted together by the precise positioning mechanisms on both sides.

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