Turnover device for skip car

Abstract

The utility model relates to the technical field of monocrystalline silicon automatic feeding line production equipment, in particular to a skip car turnover device which is matched with a skip car for use, the skip car is provided with a charging barrel and a placing frame for obliquely placing the charging barrel, the turnover device comprises a left turnover mechanism and a right turnover mechanism which are oppositely arranged on two sides of the skip car and have the same structure, and the left turnover mechanism and the right turnover mechanism are arranged on the left turnover mechanism and the right turnover mechanism respectively. The left turnover mechanism and the right turnover mechanism each comprise a bottom frame, and each bottom frame is provided with a clamping mechanism, a fixing mechanism, a turnover mechanism and a lock pin mechanism. According to the utility model, the charging barrel overturning device is additionally arranged, so that the charging barrel can be upright, and manual pouring is replaced by robot pouring, so that the automatic pouring is realized, the working efficiency is improved, and the damage of floating dust in a workshop to the body health of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to single crystal silicon automatic feeding line production equipment technical field, and specifically relates to a material car turnover device. BACKGROUND

[0002] On single crystal silicon automatic feeding line, the original workshop material cylinder can only be placed on the material car, and the material cylinder is straightened by artificial carrying material and pouring into the material cylinder, and the material cylinder is also straightened by artificial carrying material and pouring into the material cylinder, and 4-5 people need to operate simultaneously during pouring, work efficiency is low, and a large amount of floating dust is generated during pouring, which harms the health of employees. UTILITY MODEL CONTENTS

[0003] In view to the above problem, the utility model provides a material car turnover device, solves the problem of inconvenient artificial pouring and damage to the health of workers.

[0004] The utility model solves its technical scheme: a material car turnover device is used with the cooperation of the material car, the material car is equipped with a material cylinder and a placing rack for placing the material cylinder, the turnover device includes left and right turnover mechanisms which are oppositely arranged on both sides of the material car and have the same structure, the left and right turnover mechanisms both include a base frame, the base frame is equipped with a clamping mechanism, a fixing mechanism, a turnover mechanism and a locking pin mechanism, the clamping mechanism includes a centering assembly and a tensioning assembly, the fixing mechanism includes a push rack arranged under the placing rack, a torsion arm clamping the push rack and a driving piece driving the torsion arm, the turnover mechanism includes a turnover cylinder and a supporting arm which are connected with each other, the other ends of the turnover cylinder and the supporting arm are respectively hingedly arranged at both ends of the base frame, a connecting plate is arranged between the supporting arm and the driving piece, and the locking pin mechanism includes a locking piece and a supporting rack arranged at the top end of the placing rack and matched with the locking piece.

[0005] As optimization, the centering assembly includes centering cylinders arranged at both ends of the base frame and a centering push plate connected to the output ends of the centering cylinders.

[0006] As optimization, the tensioning assembly includes a tensioning cylinder arranged in the middle of the base frame and a tensioning arm arranged at the output end of the tensioning cylinder, the tensioning arm includes a straight section and an inclined section connected to the tensioning cylinder at one end, the inclined section is arranged from the outside to the inside and rotationally connected to the base frame at the middle, and the other end of the inclined section is connected to the straight section.

[0007] As optimization, the straight section is arranged in parallel with the tensioning cylinder, and the included angles between the inclined section and the straight section and the tensioning cylinder are obtuse angles.

[0008] As optimization, the driving member comprises a side pushing cylinder fixed on the connecting plate and a pushing plate arranged at the output end of the side pushing cylinder, two bearings opposite to each other are arranged on the pushing plate, a rotating shaft is arranged between the two bearings, a clamping cylinder is arranged at the middle part of the rotating shaft, and one end of the rotating shaft extending to the outside of the bearing towards the inside is connected with the torsion arm.

[0009] As optimization, a rotating arm is arranged between the rotating shaft and the clamping cylinder, one end of the rotating arm is provided with a rotating arm ring sleeved on the rotating shaft, and the other end of the rotating arm is provided with a rotating arm plate fixedly connected with the output end of the clamping cylinder.

[0010] As optimization, the locking member comprises an unlocking cylinder and a lock frame arranged at the top end of the material cart, limit plates are arranged on both sides of the lock frame, first through holes and second through holes are longitudinally arranged on the two limit plates, a first lock rod is arranged in the first through hole, a second lock rod is arranged in the second through hole, a baffle is arranged at the inward end of the first lock rod and the second lock rod, the other end of the first lock rod and the second lock rod extends to the outside of the lock frame, the bottom surface of the first lock rod is tangent to the top surface of the support frame, the second lock rod is arranged at the lower part of the support frame, the output end of the unlocking cylinder is connected with the second lock rod, and the second lock rod is provided with a spring and a blocking ring on the part between the two limit plates.

[0011] As optimization, a linear guide rail is arranged between the pushing plate and the connecting plate.

[0012] As optimization, the torsion arm comprises a torsion arm and torsion rods arranged at both ends of the torsion arm.

[0013] As optimization, the bottom frame comprises a connecting beam and supporting legs arranged at both ends of the connecting beam respectively.

[0014] The beneficial effects of the material cart overturning device are as follows: the material cylinder overturning device is added, the material cylinder can be made to stand upright, manual pouring is replaced by robot pouring, pouring automation is realized, work efficiency is improved, and the damage of workshop floating dust to the health of workers is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the material cart after installation.

[0016] Figure 2 It is a structure schematic view of the bottom frame and the overturning mechanism of the material cart.

[0017] Figure 3 It is a structure schematic view of the centering assembly of the material cart.

[0018] Figure 4 It is a structure schematic view of the torsion arm and the driving member of the material cart.

[0019] Figure 5 It is the structure schematic drawing of the tension assembly of the utility model;

[0020] Figure 6 It is the structure schematic drawing of the lock piece of the utility model;

[0021] Figure 7 It is the structure schematic drawing of the rotating arm of the utility model.

[0022] Among them: 1, the dolly, 2, the material cylinder, 3, the rack, 4, the chassis, 5, the centering assembly, 6, the tension assembly, 7, the push frame, 8, the driving part, 9, the turnover mechanism, 10, the lock piece, 11, the support frame, 12, the connecting plate, 13, the centering cylinder, 14, the centering push plate, 15, the tension cylinder, 16, the tension arm, 17, the straight section, 18, the inclined section, 19, the side push cylinder, 20, the push plate, 21, the bearing, 22, the rotating shaft, 23, the clamping cylinder, 24, the rotating arm ring, 25, the rotating arm plate, 26, the unlocking cylinder, 27, the lock frame, 28, the limiting plate, 29, the first lock rod, 30, the second lock rod, 31, the baffle, 32, the spring, 33, the blocking ring, 34, the torsion arm, 35, the torsion rod, 36, the connecting beam, 37, the supporting leg. DETAILED DESCRIPTION

[0023] It should be noted that the following detailed description is illustrative only, and is intended to provide further description in order to provide a further understanding of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0024] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0025] For the convenience of description, if "up", "down", "left" and "right" are appeared in the utility model, it only indicates the same direction with the up, down, left and right of the drawing itself, and does not limit the structure, only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the limitation of the utility model.

[0026] As Figures 1-7As shown, a trolley turnover device is used in cooperation with a trolley 1, the trolley 1 is provided with a material cylinder 2 and a placing rack 3 for placing the material cylinder 2, a nitrogen spring is arranged between the placing rack 3 and the trolley 1, the trolley 1 and the placing rack 3 are prior art, which will not be described here, the turnover device comprises a left turnover mechanism 9 and a right turnover mechanism 9 which are oppositely arranged on both sides of the trolley 1 and have the same structure, the placing rack 3 is made to be in an upright state by the left turnover mechanism 9 and the right turnover mechanism 9, and the feeding operation of the material cylinder 2 is realized; the left turnover mechanism 9 and the right turnover mechanism 9 both comprise a chassis 4, the chassis 4 comprises a connecting beam 36 and a supporting leg 37 arranged at both ends of the connecting beam 36 respectively, the chassis 4 plays a supporting and stabilizing role, the chassis 4 is provided with a clamping mechanism, a fixing mechanism, a turnover mechanism 9 and a locking pin mechanism, in order to make the turnover device stable and integrated with the trolley 1, the clamping mechanism is arranged, the clamping mechanism comprises a centering assembly 5 and a tensioning assembly 6, the centering assembly 5 makes the trolley 1 centered, and the trolley 1 is clamped by the left turnover mechanism 9 and the right turnover mechanism 9, which also improves the stability of the trolley 1, the centering assembly 5 comprises a centering cylinder 13 arranged at both ends of the chassis 4 respectively and a centering push plate 14 connected to the output end of the centering cylinder 13, in order to make the stability and clamping property of the centering push plate 14 stronger, a centering guide shaft can be arranged between the centering push plate 14 and the centering cylinder 13; the tensioning assembly 6 comprises a tensioning cylinder 15 arranged in the middle of the chassis 4 and a tensioning arm 16 arranged at the output end of the tensioning cylinder 15, the tensioning arm 16 comprises a straight section 17 and an inclined section 18 connected to the tensioning cylinder 15 at one end, the inclined section 18 is arranged obliquely from the outside to the inside and is rotationally connected to the chassis 4 in the middle, which can be realized by arranging a bearing 21 seat at the rotation point, the other end of the inclined section 18 is connected to the straight section 17, the straight section 17 is arranged in parallel with the tensioning cylinder 15, the included angles between the inclined section 18 and the straight section 17 and the tensioning cylinder 15 are all obtuse angles, part of the straight section 17 can be wrapped with nylon to increase the stability and reduce the wear caused by long-term use; when the tensioning assembly 6 is used, the tensioning cylinder 15 is started, the tensioning cylinder 15 generates a forward thrust on the tensioning arm 16, the tensioning arm 16 rotates in the direction of the trolley 1 to the inside around the bearing 21 seat, and stops until the straight section 17 clamps the trolley 1, thereby clamping the trolley 1 and the turnover device.

[0027] As Figure 4As shown in the drawings, in order to prevent the shaking of the material cylinder 2 during use, a fixing mechanism is arranged to fix the placing rack 3, thereby increasing the stability of the placing rack 3 when bearing weight, the fixing mechanism comprises a push rack 7 arranged below the placing rack 3, a torsion arm clamping the push rack 7 and a driving element 8 driving the torsion arm, the torsion arm comprises a torsion arm 34 and a torsion rod 35 arranged at both ends of the torsion arm 34, the driving element 8 comprises a side push air cylinder 19 fixed on the connecting plate 12 and a push plate 20 arranged at the output end of the side push air cylinder 19, a linear guide rail is arranged between the push plate 20 and the connecting plate 12, thereby increasing the stability of the push plate 20 when moving, two bearings 21 opposite to each other are arranged on the push plate 20, a rotating shaft 22 is arranged between the two bearings 21, a clamping air cylinder 23 is arranged at the middle part of the rotating shaft 22, a rotating arm is arranged between the rotating shaft 22 and the clamping air cylinder 23, one end of the rotating arm is provided with a rotating arm ring 24 sleeved on the rotating shaft 22, and the other end is provided with a rotating arm plate 25 fixedly connected with the output end of the clamping air cylinder 23, and one end of the rotating shaft 22 close to the inner side extends to the outer side of the bearing 21 and is connected with the torsion arm. When the fixing mechanism is used, the side push air cylinder 19 is started first, so that the push plate 20 moves along the linear guide rail, the rotating shaft 22 located on the push plate 20 and the clamping air cylinder 23 connected with the rotating shaft 22, and the torsion arm connected with one end of the rotating shaft 22 also move inward along with the push plate 20 at the same time, so that the torsion arm approaches the push rack 7, and the push rack 7 is arranged between the two torsion rods 35 of the torsion arm. At this time, the clamping air cylinder 23 is started, the clamping air cylinder 23 drives the rotating arm, so that the rotating arm drives the rotating shaft 22 to rotate, under the connecting action of the rotating shaft 22, the torsion arm also rotates, so that the torsion arm is clamped with the push rack 7.

[0028] As shown in the drawings, Figure 2 In order to realize the feeding of the material cylinder 2 after being in the upright state, a turnover mechanism 9 connected with the placing rack 3 of the material cylinder 2 is arranged, the turnover mechanism 9 comprises a turnover air cylinder and a supporting arm connected with each other, one end of the supporting arm is connected with the output end of the turnover air cylinder, the other end of the turnover air cylinder and the supporting arm are respectively hingedly arranged at both ends of the base frame 4, the supporting arm is connected with the driving element 8 and a connecting plate 12 is arranged therebetween, when the supporting arm is lifted under the action of the turnover air cylinder, the position of the driving element 8 also changes, thereby driving the material cylinder 2 on the placing rack 3 to be lifted.

[0029] As shown in the drawings, Figure 6As shown, in order to prevent the nitrogen spring on the dolly 1 from being damaged to cause the barrel 2 to pop out, a locking pin mechanism is arranged, which comprises a locking piece 10 and a support frame 11 arranged at the top end of the placing frame 3 matched with the locking piece 10, the locking piece 10 comprises an unlocking cylinder 26 and a lock frame 27 arranged at the top end of the dolly 1, both sides of the lock frame 27 are provided with limiting plates 28, the first through hole and the second through hole are longitudinally arranged on the two limiting plates 28, the first lock rod 29 is arranged in the first through hole, the second lock rod 30 is arranged in the second through hole, the inward end of the first lock rod 29 and the second lock rod 30 is provided with a baffle 31, and the other end of the first lock rod 29 and the second lock rod 30 extends to the outside of the lock frame 27, the bottom surface of the first lock rod 29 is tangent to the top surface of the support frame 11, the second lock rod 30 is located below the support frame 11, the second lock rod 30 is opposite to the output end of the unlocking cylinder 26, and the part of the second lock rod 30 between the two limiting plates 28 is provided with a spring 32 and a blocking ring 33, the blocking ring 33 is fixedly arranged on the second lock rod 30, when the barrel 2 is straight, the unlocking cylinder 26 is started, the output end of the unlocking cylinder 26 extends to be close to the second lock rod 30, a pushing force is generated on the second lock rod 30, the second lock rod 30 moves, the second lock rod 30 drives the first lock rod 29 to move inward, until the first lock rod 29 above the support frame 11 is away from the support frame 11, so that the placing frame 3 is lifted, at the same time, the blocking ring 33 presses the spring 32, and the spring 32 is contracted, when the barrel 2 needs to be restored to the inclined state, the unlocking cylinder 26 is retracted, the spring 32 is reset to press the blocking ring 33, so that the second lock rod 30 drives the first lock rod 29 to move outward to the first lock rod 29 extending to the top of the support frame 11.

[0030] Working principle: the material car turnover device provided by the utility model, AGV car transports the material car 1 to the specified position butt joint, the both sides centering cylinder 13 pushes out and holds the material car 1, the tension cylinder 15 pushes out and clamps the material car 1 and the turnover mechanism 9, the unlocking cylinder 26 rod pushes out, the spring 32 is compressed and drives the second lock rod 30 and the first lock rod 29 to retract, so that the barrel 2 is separated from the material car 1, the side pushing cylinder 19 pushes out, the torsion arm is inserted into the push frame 7, the clamping cylinder 23 pushes out and drives the rotating shaft 22 to rotate, clamps the torsion arm and the push frame 7, so that the barrel 2 is fixed, the turnover cylinder slowly extends and pushes the supporting arm to make the barrel 2 straight, loading is carried out, after filling, the turnover cylinder is retracted, the barrel 2 is slowly lowered, the unlocking cylinder 26 is retracted, the spring 32 drives the second lock rod 30 and the first lock rod 29 to pop out, so that the support frame 11 is clamped with the material car 1, preventing the bottom elastic spring 32 from being damaged to cause the barrel 2 to pop out, the clamping cylinder 23 is retracted, the side pushing cylinder 19 is retracted, the turnover device is separated from the barrel 2, the tension cylinder 15 is retracted, the centering cylinder 13 is retracted, and the AGV carries away the material car 1.

[0031] The above specific embodiments are only specific cases of the present application, and the patent protection scope of the present application includes but is not limited to the product forms and styles of the above specific embodiments. Any appropriate changes or modifications made by any person skilled in the art to the present application shall fall within the patent protection scope of the present application.

Claims

1. A material cart tilting device, used in conjunction with a material cart, wherein the material cart is provided with a material cylinder and a placement rack for tilting the material cylinder, characterized in that: The flipping device includes a left flipping mechanism and a right flipping mechanism that are arranged opposite each other on both sides of the material cart and have the same structure. Both the left and right flipping mechanisms include a base frame. The base frame is provided with a clamping mechanism, a fixing mechanism, a flipping mechanism and a locking pin mechanism. The clamping mechanism includes a centering component and a tensioning component. The fixing mechanism includes a push frame arranged under the placement frame, a torsion arm that clamps the push frame and a driving component that drives the torsion arm. The flipping mechanism includes a flipping cylinder and a support arm that are connected to each other. The other ends of the flipping cylinder and the support arm are respectively hinged to the two ends of the base frame. A connecting plate is provided between the support arm and the driving component. The locking pin mechanism includes a locking component and a support frame arranged at the top of the placement frame that cooperates with the locking component.

2. The material cart tipping device according to claim 1, characterized in that: The centering assembly includes centering cylinders respectively disposed at both ends of the base frame and a centering push plate connected to the output end of the centering cylinders.

3. The material cart tipping device according to claim 1, characterized in that: The tensioning assembly includes a tensioning cylinder disposed in the middle of the base frame and a tensioning arm disposed at the output end of the tensioning cylinder. The tensioning arm includes a straight section and an inclined section connected to the tensioning cylinder at one end. The inclined section is inclined from the outside to the inside and is rotatably connected to the base frame in the middle. The other end of the inclined section is connected to the straight section.

4. The material cart tipping device according to claim 3, characterized in that: The straight segment is arranged parallel to the tensioning cylinder, and the angles between the inclined segment and the straight segment and the tensioning cylinder are all obtuse angles.

5. The material cart tipping device according to claim 1, characterized in that: The driving component includes a side-push cylinder fixed on the connecting plate and a push plate disposed at the output end of the side-push cylinder. The push plate is provided with two opposing bearings, and a rotating shaft is provided between the two bearings. A clamping cylinder is provided in the middle of the rotating shaft, and one end of the rotating shaft extends to the outside of the bearing and is connected to the torsion arm.

6. The material cart tipping device according to claim 5, characterized in that: A rotating arm is provided between the rotating shaft and the clamping cylinder. One end of the rotating arm is provided with a rotating arm ring fixedly sleeved on the rotating shaft, and the other end is provided with a rotating arm plate fixedly connected to the output end of the clamping cylinder.

7. The material cart tipping device according to claim 1, characterized in that: The locking mechanism includes an unlocking cylinder and a locking frame mounted on the top of the material cart. Limiting plates are provided on both sides of the locking frame. Each of the two limiting plates has a first through hole and a second through hole longitudinally. A first locking rod is located in the first through hole, and a second locking rod is located in the second through hole. A baffle is provided at the inward end of both the first and second locking rods, and the other ends of both the first and second locking rods extend to the outside of the locking frame. The bottom surface of the first locking rod is tangent to the top surface of the support frame. The second locking rod is located at the lower part of the support frame and is connected to the output end of the unlocking cylinder. A spring and a retaining ring are provided on the portion of the second locking rod located between the two limiting plates.

8. The material cart tipping device according to claim 6, characterized in that: A linear guide rail is provided between the push plate and the connecting plate.

9. The material cart tipping device according to claim 1, characterized in that: The torsion arm includes a torsion arm and torsion bars disposed at both ends of the torsion arm.

10. The material cart tipping device according to claim 1, characterized in that: The base frame includes a connecting beam and support legs respectively disposed at both ends of the connecting beam.

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