CN114380026A - Primary and secondary tray separator of engine production line - Google Patents

Abstract

The invention relates to the technical field of engines, and discloses a sub-tray separation device for an engine production line, comprising a mother tray arranged on a roller table of the engine production line, a sub-tray conveying mechanism, and a double wishbone fixed above the sub-tray conveying mechanism Lifting mechanism and engine discharge mechanism, the engine discharge mechanism and the sub-tray conveying mechanism are arranged vertically; the mother tray includes a rotatable bottom plate, and two fork arms are oppositely arranged on the bottom plate; the engine discharge mechanism The mechanism is provided with a driving mechanism for driving the bottom plate to rotate; the double wishbone lifting mechanism includes a movable mounting frame, and one end of both sides of the mounting frame is rotatably connected with a lifting arm. In the sub-mother tray separating device of the engine production line provided by the invention, the mother tray can be automatically rotated after the sub-trays are discharged, the dual wishbone of the mother tray can be lifted at the same time, the work efficiency is improved, the space is saved, the use effect is good, and it is easy to popularize and use.

Description

A sub-mother tray separation device for an engine production line

technical field

The present invention relates to the technical field of engines, in particular to a device for separating a sub-mother tray of an engine production line.

Background technique

The production of the engine is carried out in the final assembly line, and is transported to a station for assembly and molding by conveying rollers. Among them, before the engine is formed, the cylinder block is assembled on the fork arm of the parent tray, and the parent tray is provided with a sub-tray. After the engine is assembled, the engine is placed on the sub-tray, and then the engine discharge station will The engine is placed on the sub-tray for discharge (ie, the sub-tray is separated). At this time, after the sub-tray and the engine on the mother-tray are discharged, the sub-tray needs to be re-transported to the mother-tray, and the fork arm of the mother-tray is lifted for the production of the next engine. However, when re-installing the sub-tray on the mother tray, the sub-tray needs to be rotated 90 degrees first to cooperate with the sub-tray conveying mechanism. However, the mother tray cannot be automatically rotated after the sub-tray of the current separation device is discharged, and manual operation is required, resulting in low production efficiency. . In addition, the fork arms of the current separation device are lifted one by one by a robot, so the cycle time is long and the work efficiency is low. At the same time, the current sub-tray conveying mechanism and the mother-tray fork arm lifting mechanism are of a separate type, which occupies a large space.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present invention provides a sub-mother tray separation device of an engine production line. After the sub-trays are discharged, the mother tray can be automatically rotated, so that the double fork arms of the mother tray can be lifted at the same time, thereby improving work efficiency and saving space.

The technical scheme adopted by the present invention to solve its technical problems is:

A sub-mother tray separation device for an engine production line, comprising a mother tray arranged on a roller table of the engine production line, a sub-tray conveying mechanism, a double wishbone lifting mechanism fixed above the sub-tray conveying mechanism, and an engine discharge mechanism, all of which are The engine discharge mechanism and the sub-tray conveying mechanism are vertically arranged;

The mother tray includes a rotatable support plate, and two fork arms are oppositely arranged on the support plate;

The engine discharge mechanism is provided with a drive mechanism for driving the support plate to rotate;

The double wishbone lifting mechanism includes a movable mounting frame, and one end of both sides of the mounting frame is rotatably connected with a lifting arm.

Preferably, the double wishbone lifting mechanism further includes two guide rail mounting plates arranged opposite to each other, the lower end of the guide rail mounting plate is connected to the sub-tray conveying mechanism, and the upper end of the guide rail mounting plate is provided with a first sliding rail , the mounting frame is slidably arranged on the first slide rail.

Preferably, a cylinder mounting plate is connected between the two guide rail mounting plates, a moving cylinder is provided on the cylinder mounting plate, and a telescopic rod of the moving cylinder is connected to the mounting frame.

Preferably, the lifting arm is driven to rotate by a rotating mechanism, and the rotating mechanism includes a second sliding rail provided at one end of the first sliding rail, a sliding seat is slidably connected to the second sliding rail, and the A rack is arranged on the sliding seat, and the rack is driven by a rotating cylinder, a rotating shaft is arranged on the mounting frame, and a gear meshing with the rack is arranged on the rotating shaft, and the connecting end of the lifting arm is sleeved on the rotating shaft.

Preferably, the engine discharge mechanism includes a frame, a bottom plate is provided in the middle of the frame, a pull-out assembly and a positioning assembly are disposed on the bottom plate, and the pull-out assembly is used to pull the engine out of the mother tray , the positioning assembly is used to abut the mother pallet and press down the block on the mother pallet when the engine is pulled out, the upper end of the frame is provided with a conveying assembly for conveying the engine, and the upper end of the frame is provided with a conveying assembly for conveying the engine. One side is provided with a driving cylinder for driving the bottom plate to rotate.

Preferably, the pull-out assembly includes a first rodless cylinder fixed on the bottom plate, a pull rod is connected to the first rodless cylinder, the other end of the pull rod is provided with a first mounting block, and further includes A pull block, one end of the pull block is hinged with the end of the installation block away from the pull rod, and a spring is provided between the middle part of the pull block and the bottom of the first installation block.

Preferably, the conveying assembly includes a motor arranged at one end of the frame, a rotating shaft is connected to the output shaft of the motor, and a driving sprocket is provided at each end of the rotating shaft, and the other end of the frame is provided with a driving sprocket. A passive sprocket is arranged on each side, and a chain is arranged between the active sprocket and the passive sprocket on the same side.

Preferably, the positioning assembly includes a positioning cylinder mounting plate arranged on the base plate, a positioning cylinder is provided on the positioning cylinder mounting plate, a connecting plate is provided on the telescopic rod of the positioning cylinder, and the connecting plate is provided with a connecting plate. Guide shafts are arranged at both ends, a positioning rod is arranged between the two guide shafts, a positioning block is slidably connected to one end of the two guide shafts away from the positioning cylinder, and a return spring is sleeved on the guide shafts. and two ends of the return spring abut against the positioning block and the connecting plate respectively;

It also includes an opening plate arranged below the guide shaft, the opening plate includes a connecting portion and an opening portion, the connecting portion is connected to the connecting plate, and the width of the opening portion gradually decreases in the direction away from the connecting portion. Small.

Preferably, the sub-tray conveying mechanism includes a frame body, a support plate is provided in the middle of the frame body, a tray push-out assembly and a push-down assembly are disposed on the support plate, and the tray push-out assembly is used to push the sub-tray On the mother tray, the pressing component is used to press down the block on the mother tray, and the upper end of the frame body is provided with an output component for conveying the sub-tray.

Preferably, the tray push-out assembly includes a second rodless cylinder fixed on the support plate, a push rod is connected to the second rodless cylinder, and the other end of the push rod is provided with a second mounting block , also includes a push block, the push block includes a connected push part and a reset part, the middle part of the push part is hinged with the second installation block, the reset part and the bottom of the second installation block Equipped with return spring.

Compared with the prior art, the embodiment of the present invention provides a device for separating the sub-trays of the engine production line. Compared with the prior art, the beneficial effect is that: by arranging a drive mechanism for driving the pallet to rotate on the engine ejection mechanism, when the sub-trays are ejected following the engine The rear drive mechanism drives the pallet to rotate, and realizes the automatic rotation of the mother pallet after the sub-tray is discharged; at the same time, the double-wishbone lifting mechanism is provided with a movable mounting frame, and one end of both sides of the mounting frame is rotatably connected with a lifting arm. Each lifting arm corresponds to one fork arm, which can realize the simultaneous lifting of the double fork arms on the mother pallet, thereby improving the work efficiency. In addition, since the double-wishbone lifting mechanism is fixed above the sub-tray conveying mechanism, the double-wishbone lifting mechanism and the sub-tray conveying mechanism form a whole, which saves the space for placing the equipment. The present invention is simple in structure, good in use effect, and easy to popularize and use.

Description of drawings

FIG. 1 is a schematic structural diagram of a sub-mother tray separation device of an engine production line of the present invention.

FIG. 2 is a schematic diagram of the connection between the mother tray and the character tray of the present invention.

3 is a schematic diagram of the connection between the sub-tray conveying mechanism and the double wishbone lifting mechanism of the present invention.

4 is a schematic structural diagram of the double wishbone lifting mechanism of the present invention.

FIG. 5 is a schematic structural diagram of the engine discharge mechanism of the present invention.

FIG. 6 is a schematic structural diagram of the positioning assembly of the engine discharge mechanism of the present invention.

FIG. 7 is a schematic structural diagram of the sub-tray conveying mechanism of the present invention.

FIG. 8 is a schematic structural diagram of the push-out assembly of the present invention.

FIG. 9 is a schematic structural diagram of a push block of the present invention.

Among them: 1-Roller, 2-Mother pallet, 21-Pallet, 22-Fork arm, 23-Block, 3-Sub pallet conveying mechanism, 31-Frame body, 32-Support plate, 33-Pallet push-out assembly, 331-Second rodless cylinder, 332-Push rod, 333-Push block, 3331-Push part, 3332-Reset part, 34-Press down assembly, 35-Output assembly, 4-Double wishbone lift mechanism, 41- Mounting Bracket, 42- Lift Arm, 43- Rail Mounting Plate, 44- First Slide Rail, 45- Moving Cylinder, 46- Second Slide Rail, 47- Rack, 48- Rotating Cylinder, 49- Gear, 5- Engine discharge mechanism, 51-frame, 52-base plate, 53-first rodless cylinder, 54-tie rod, 55-pull block, 56-motor, 57-chain, 58-positioning assembly, 581-positioning cylinder mounting plate, 582-positioning cylinder, 583-guide shaft, 584-positioning rod, 585-positioning block, 586-return spring, 587-opening plate, 6-driving cylinder, 100-sub-tray.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

As shown in Figs. 1-2, a device for separating a sub-tray for an engine production line according to a preferred embodiment of the present invention includes a mother tray 2 arranged on the roller table 1 of the engine production line, a sub-tray conveying mechanism 3, a sub-tray conveying mechanism 3, a The double wishbone lifting mechanism 4 and the engine discharge mechanism 5 above the sub-tray conveying mechanism 3 are arranged vertically with the sub-tray conveying mechanism 3; the mother tray 2 includes a rotatable support. Plate 21, two fork arms 22 are arranged on the supporting plate 21 opposite to each other, and the other side of the supporting plate 21 is provided with a stopper 23, and the stopper 23 is retractable; the engine discharge mechanism 5 is provided with A driving mechanism for driving the supporting plate 21 to rotate; the double wishbone lifting mechanism 4 includes a movable mounting frame 41 , one end of both sides of the mounting frame 41 is rotatably connected with a lifting arm 42 . In addition, an unqualified engine discharge mechanism can also be provided, which is arranged at the discharge end of the engine discharge mechanism 5, and enters the unqualified engine discharge mechanism for repairing when an unqualified engine occurs.

Based on the above technical features of the sub-mother tray separation device of the engine production line, by providing the engine discharge mechanism 5 with a driving mechanism for driving the supporting plate 21 to rotate, when the sub-tray is discharged with the engine, the driving mechanism drives the supporting plate 21 to rotate. The automatic rotation of the mother tray after the tray is discharged; at the same time, the double wishbone lifting mechanism 4 is provided with a movable mounting frame 41, and one end of both sides of the mounting frame 41 is rotatably connected with lifting arms 42, and each lifting arm 42 corresponds to one The fork arms 22 can realize the simultaneous lifting of the double fork arms 22 on the mother tray, thereby improving the work efficiency. In addition, since the double-wishbone lifting mechanism 4 is fixed above the sub-tray conveying mechanism 3, the double-wishbone lifting mechanism 4 and the sub-tray conveying mechanism 3 form a whole, thereby saving the placement space of the equipment. The present invention is simple in structure, good in use effect, and easy to popularize and use.

Please refer to FIGS. 3-4 . In this embodiment, the double wishbone lifting mechanism 4 further includes two guide rail mounting plates 43 arranged opposite to each other, and the lower ends of the guide rail mounting plates 43 are connected to the sub-tray conveying mechanism 3 The upper end of the guide rail mounting plate 43 is provided with a first slide rail 44 , and the mounting frame 41 is slidably mounted on the first slide rail 44 and slides along the first slide rail 44 . Specifically, a cylinder mounting plate is connected between the two guide rail mounting plates 43 , and a moving cylinder 45 is provided on the cylinder mounting plate. The telescopic rod of the moving cylinder 45 is connected to the mounting frame 41 , and the moving cylinder 45 drives the movement of the mounting frame 41 .

In this embodiment, the lifting arm 42 is driven to rotate by a rotating mechanism, and the rotating mechanism includes a second sliding rail 46 provided at one end of the first sliding rail 44 , and the second sliding rail 46 is slidably connected to the second sliding rail 46 . There is a sliding seat, a rack 47 is arranged on the sliding seat, and the rack 47 is driven by a rotating cylinder 48, and a rotating shaft is arranged on the mounting frame 41, and the rotating shaft is engaged with the rack 47 The connecting end of the lifting arm 42 is sleeved on the rotating shaft. When the rotating cylinder 48 is activated, the rack 47 is driven to move along the second sliding rail 46, the rack 47 drives the gear 49 to rotate, and the gear 49 drives the lift arm 42 to rotate, The lifting of the fork arm 22 is realized.

5-6, in this embodiment, the engine discharge mechanism 5 includes a frame 51, and a bottom plate 52 is provided in the middle of the frame 51, and a pull-out component and a positioning component are provided on the bottom plate 52, The pull-out assembly is used to pull out the engine from the mother tray 2, and the positioning assembly 58 is used to abut against the mother tray 2 and press down the stopper 23 on the mother tray 2 when the engine is pulled out. The upper end of the frame 51 is provided with a conveying assembly for conveying the engine. One side of the upper end of the frame 51 is provided with a driving cylinder 6 for driving the supporting plate 21 to rotate. When the mother tray 2 needs to be rotated when the sub-tray is discharged, the driving cylinder 6 is activated to drive the mother tray. 2 Turn.

Specifically, the pull-out assembly includes a first rodless cylinder 53 fixed on the bottom plate 52 , a pull rod 54 is connected to the first rodless cylinder 53 , and the other end of the pull rod 54 is provided with a first rodless cylinder 53 . The mounting block also includes a pull block 55, one end of the pull block 55 is hinged with the end of the mounting block away from the pull rod 54, and a middle part of the pull block 55 and the bottom of the first mounting block are provided with spring. When the engine needs to be discharged (ie, the sub-tray is separated), the first rodless cylinder 53 is activated, and the pull rod 54 is driven to drive the pull block 55 to move toward the direction of the engine. The bottom surface abuts and compresses the spring. When the pull block 55 exceeds the sub-tray, the pull block 55 bounces up under the action of the spring and abuts on one side of the sub-tray, and then the first rodless The cylinder 53 moves in the opposite direction, pulling the sub-tray out together with the engine, and stops pulling when pulled to the conveying assembly, and at the same time the conveying assembly starts to output the engine.

The conveying assembly includes a motor 56 arranged at one end of the frame 51, a rotating shaft is connected to the output shaft of the motor 56, and a driving sprocket is provided at each end of the rotating shaft, and the other end of the frame is provided with a driving sprocket. There is a passive sprocket on each side, and a chain 57 is arranged between the active sprocket and the passive sprocket on the same side. When conveying, the motor 56 is activated to drive the active sprocket to rotate, driving the The pallet moves on said chain 57 . At the same time, in order to avoid the position deviation of the sub-tray during the movement, a guide bar is provided on one side of the chain 57, and the sub-tray moves along the guide bar.

The positioning assembly 58 includes a positioning cylinder mounting plate 581 disposed on the bottom plate 52, the positioning cylinder mounting plate 581 is provided with a positioning cylinder 582, and a telescopic rod of the positioning cylinder 582 is provided with a connecting plate, the Both ends of the connecting plate are provided with guide shafts 583 , and a positioning rod 584 is arranged between the two guide shafts 583 . One end of the two guide shafts away from the positioning cylinder 582 is slidably connected with a positioning block 585 . A return spring 586 is sleeved on the shaft, and both ends of the return spring 586 abut the positioning block 584 and the connecting plate respectively, and also includes an opening plate 587 disposed below the guide shaft. When the engine is discharged, the positioning cylinder 582 is activated to drive the positioning block to move toward the mother tray 2 . When the positioning block 584 is in contact with the mother tray 2 , the opening plate 587 is in contact with the stopper 23 . Then the positioning cylinder 582 moves forward further, and stops when the positioning plate 585 is in contact with the positioning rod 584. At this time, the opening plate 587 also completely presses the stopper 23, and then the The pull-out assembly is activated to pull out the engine, so as to ensure the smooth removal of the sub-tray. Meanwhile, in order to facilitate the opening plate 587 to press down the stopper 23, the opening plate 587 includes a connecting portion and an opening portion, the connecting portion is connected to the connecting plate, and the opening portion faces away from the connecting portion. The width in the direction gradually decreases, preferably, the angle between the lower surface of the opening portion and the horizontal plane is 25-35 degrees, preferably 30 degrees.

Referring to FIGS. 7-9 , in this embodiment, the sub-tray conveying mechanism 3 includes a frame body 31 , a support plate 32 is arranged in the middle of the frame body 31 , and a tray push-out assembly 33 is arranged on the support plate 32 and the push-down assembly 34, the tray push-out assembly 33 is used to push the sub-tray onto the mother tray 2, the push-down assembly 34 is used to push down the stopper 23 on the mother tray 2, the frame body 31 The upper end is provided with an output assembly 35 for conveying sub-trays. The push-down assembly 34 has the same structure as the positioning assembly 58. It needs to drive the stopper 23 to move down when the mother tray 2 is loaded. When the sub-tray is installed and returned, the stopper 23 bounces again. rise. The structure of the output assembly 35 is the same as that of the above-mentioned conveying assembly, and will not be repeated here.

The tray push-out assembly 33 includes a second rodless cylinder 331 fixed on the support plate 32, a push rod 332 is connected to the second rodless cylinder 331, and the other end of the push rod 332 is provided with a first rod. The second installation block also includes a push block 333. The push block 333 includes a connected push portion 3331 and a reset portion 3332. The middle portion of the push portion 3331 is hinged to the second mounting block, and the reset portion 3332 is connected to the second mounting block. A return spring is arranged between the bottoms of the second mounting blocks. When it is necessary to push the sub-tray onto the mother tray 2, the output assembly 35 first transports a sub-tray to the front of the push block 333, and the bottom surface of the sub-tray presses down the push portion 3331 during the conveying process to fit the sub-tray. Its surface moves forward, and after passing over the push portion 3331, the push portion 3331 is lifted up under the action of the return spring and abuts with one side of the sub-tray, and the output assembly 35 stops at this time. The second rodless air cylinder 331 is activated to drive the pushing block 333 to push out the sub-tray.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principle of the present invention, several improvements and substitutions can be made. These improvements and substitutions It should also be regarded as the protection scope of the present invention.

Claims (10)

1. A sub-mother tray separation device of an engine production line, characterized in that: it comprises a mother tray arranged on a roller table of an engine production line, a sub-tray conveying mechanism, and a double wishbone lifting mechanism fixed above the sub-tray conveying mechanism , an engine discharge mechanism, the engine discharge mechanism and the sub-tray conveying mechanism are vertically arranged; The mother tray includes a rotatable support plate, and two fork arms are oppositely arranged on the support plate; The engine discharge mechanism is provided with a drive mechanism for driving the support plate to rotate; The double wishbone lifting mechanism includes a movable mounting frame, and one end of both sides of the mounting frame is rotatably connected with a lifting arm. 2 . The device for separating mother and son trays of an engine production line according to claim 1 , wherein the double wishbone lifting mechanism further comprises two guide rail mounting plates arranged opposite to each other, and the lower ends of the guide rail mounting plates are connected with each other. 3 . In the sub-tray conveying mechanism, the upper end of the guide rail mounting plate is provided with a first sliding rail, and the mounting frame is slidably arranged on the first sliding rail. 3. The sub-mother tray separating device of an engine production line according to claim 2, wherein a cylinder mounting plate is connected between the two guide rail mounting plates, and a moving cylinder is provided on the cylinder mounting plate, and the The telescopic rod of the moving cylinder is connected to the mounting frame. 4. The sub-mother tray separation device of an engine production line according to claim 2, wherein the lifting arm is driven to rotate by a rotating mechanism, and the rotating mechanism comprises a first sliding rail disposed at one end of the first sliding rail. Two sliding rails, a sliding seat is slidably connected to the second sliding rail, a rack is arranged on the sliding seat, and the rack is driven by a rotating cylinder, a rotating shaft is arranged on the mounting frame, and a rotating shaft is arranged on the rotating shaft There is a gear meshing with the rack, and the connecting end of the lifting arm is sleeved on the rotating shaft. 5 . The device for separating mother and son trays of an engine production line according to claim 1 , wherein the engine discharge mechanism comprises a frame, a bottom plate is arranged in the middle of the frame, and a pull-out assembly is arranged on the bottom plate. 6 . and a positioning assembly, the pull-out assembly is used to pull the engine out of the mother tray, the positioning assembly is used to abut the mother tray and press down the stopper on the mother tray when the engine is pulled out, the The upper end of the frame is provided with a conveying assembly for conveying the engine, and one side of the upper end of the frame is provided with a driving cylinder for driving the bottom plate to rotate. 6 . The device for separating sub-mother trays of an engine production line according to claim 5 , wherein the pull-out assembly comprises a first rodless cylinder fixed on the bottom plate, and the first rodless cylinder A pull rod is connected, the other end of the pull rod is provided with a first installation block, and also includes a pull block, one end of the pull block is hinged with the end of the installation block away from the pull rod, and the middle part of the pull block A spring is arranged between the bottoms of the first mounting blocks. 7. The device for separating sub-mother trays of an engine production line according to claim 5, wherein the conveying assembly comprises a motor arranged at one end of the frame, the output shaft of the motor is connected with a rotating shaft, and the Two ends of the rotating shaft are each provided with a driving sprocket, and two sides of the other end of the frame are each provided with a passive sprocket, and a chain is arranged between the driving sprocket and the passive sprocket on the same side. 8 . The sub-mother tray separation device of an engine production line according to claim 5 , wherein the positioning assembly comprises a positioning cylinder mounting plate arranged on the bottom plate, and a positioning cylinder is provided on the positioning cylinder mounting plate. 9 . , the telescopic rod of the positioning cylinder is provided with a connecting plate, both ends of the connecting plate are provided with guide shafts, a positioning rod is arranged between the two guide shafts, and the two guide shafts are far away from the positioning cylinder A positioning block is slidably connected to one end of the guide shaft, a return spring is sleeved on the guide shaft, and both ends of the return spring are respectively abutted against the positioning block and the connecting plate; It also includes an opening plate arranged below the guide shaft, the opening plate includes a connecting portion and an opening portion, the connecting portion is connected to the connecting plate, and the width of the opening portion gradually decreases in the direction away from the connecting portion. Small. 9 . The sub-tray separation device of an engine production line according to claim 1 , wherein the sub-tray conveying mechanism comprises a frame body, and a support plate is provided in the middle of the frame body, and the support plate is provided with a support plate. 10 . A tray push-out assembly and a push-down assembly, the pallet push-out assembly is used to push the sub-tray to the mother tray, the push-down assembly is used to push down the block on the mother tray, and the upper end of the frame is provided with a Output assembly for conveying sub-trays. 10 . The device for separating mother and son trays of an engine production line according to claim 9 , wherein the tray push-out assembly comprises a second rodless cylinder fixed on the support plate, and the second rodless cylinder A push rod is connected with the push rod, the other end of the push rod is provided with a second installation block, and also includes a push block, the push block includes a connected push part and a reset part, and the middle part of the push part is connected to the second The installation block is hinged, and a return spring is arranged between the reset portion and the bottom of the second installation block.

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