CN111229965A - a feeding device - Google Patents

Abstract

The invention discloses a feeding device in the technical field of plate processing, which comprises a material rack, wherein a plurality of tray rails for placing trays are distributed on the material rack in the height direction, the trays can move along the tray rails, one side of the material rack in the front and back directions is connected with a lifting stacking mechanism, the stacking mechanism comprises a lifting frame and a moving chain, the lifting frame is rotatably connected with a pair of driving chain wheels, the two driving chain wheels are respectively connected with the left end and the right end of the lifting frame, the two ends of the lifting frame in the conveying direction are respectively rotatably connected with a pair of reversing chain wheels I and a pair of reversing chain wheels II, the driving chain wheels are connected with the reversing chain wheels I and the reversing chain wheels II through the moving chain, each moving chain is connected with a chain hook, and; the automatic feeding device can realize automatic feeding and is ingenious in structure.

Description

a feeding device

technical field

The invention belongs to the technical field of sheet metal processing, and particularly relates to a feeding device.

Background technique

The punching machine can be used for the processing of various metal sheet parts, and can automatically complete a variety of complex hole patterns and shallow drawing forming processing at one time, and process holes of different sizes and hole spacings according to requirements, with high production efficiency, which is widely used in the manufacturing industry. widely used.

In the production process of the punch press, it is necessary to complete the feeding of the raw materials first. After the processing is completed, the unloading of the finished materials must be completed. The traditional loading and unloading work basically needs to be done manually, and the loading and unloading work takes up a large part of the stamping production time. , the efficiency is low; in the prior art, using the feeding device to complete the loading and unloading of the board requires manual transportation of the raw materials to the punching machine processing position in turn, and the automatic storage of the raw materials cannot be completed, which is labor-intensive.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a feeding device, which solves the technical problem that the raw materials cannot be automatically stored in the prior art. The present invention can realize automatic feeding of raw materials, and has an ingenious structure. Reduce labor intensity.

The object of the present invention is achieved as follows: a feeding device includes a material rack, the material rack is arranged with a plurality of tray rails for placing trays in the height direction, the trays can move along the tray rails, the material One side of the frame in the front-rear direction is connected with a stacking mechanism that can be lifted and lowered. The stacking mechanism includes a lifting frame and a moving chain. A pair of driving sprockets are rotatably connected to the lifting frame, and the two driving sprockets are respectively Connected to the left and right ends of the lifting frame, the two ends of the lifting frame in the conveying direction are respectively rotatably connected with a pair of reversing sprockets and a pair of reversing sprockets. The driving sprocket passes through the moving chain and the reversing sprocket. The first is connected with the second reversing sprocket, and each moving chain is connected with a chain hook, which can hook the tray.

In the present invention, the bottom layer of the pallet track is the raw material layer angle steel track, and the pallet tracks are spaced apart in the height direction, which is convenient for storing raw materials (the raw materials are placed on the pallet, and the pallet can be placed on the corresponding pallet track as needed) , to meet the storage of materials of different heights; when the raw materials need to be transported to the angle steel track of the raw material layer, the lifting frame moves to the height of the corresponding pallet track and stops, the driving sprocket rotates, and the driving sprocket drives the reversing sprocket through the moving chain. 1 and reversing sprocket 2, reversing sprocket 1 and reversing sprocket 2 drive the chain hook to move in the direction of the pallet track, when the chain hook moves to the position of reversing sprocket 1, the chain hook falls off into the clamping claw, the driving sprocket rotates in the reverse direction, the clamping claw hooks the chain hook, the chain hook drives the tray into the lifting frame, when the chain hook moves to the position of the second reversing sprocket, the chain hook rotates around and changes Rotate to sprocket 2, when the chain hook is released from the claw, the driving sprocket stops rotating; the lifting frame is lowered to the angle steel track of the raw material layer, and the driving sprocket rotates. , When the chain hook moves to the position of the reversing sprocket, the reversing sprocket continues to rotate, the chain hook is separated from the claw, and the driving sprocket stops rotating. In the feeding work, other material conveying mechanisms are used to transport the raw materials away for the next step; the invention can realize the automatic feeding of the raw materials, has ingenious structure, reliable operation, and reduces labor intensity; it can be applied to the loading and unloading work of punch processing.

In order to further realize feeding, the left and right sides of the tray are provided with claws, which are arranged relative to the stacking mechanism.

In order to avoid the collision at the joint between the pallet, the stacking mechanism and the pallet track, a pair of support rollers are rotatably connected to the side where the lift frame is arranged relative to the material frame, and a pair of pallet guide rails are arranged on the lift frame. The pallet can roll along the pallet guide rail. In the left and right direction, a pair of support rollers are between a pair of reversing sprockets. In the front and rear direction, when the pallet rolls along the fixed track, a pair of support rollers can push the pallet upwards. .

In order to further realize the movement of the tray, the left and right ends of the tray are rotatably connected with two pairs of rotating rollers, the rotating rollers can roll along the tray track and the tray guide rail, and the underside of the tray between each pair of rotating rollers is provided with a pad block , the pad can be in contact with the support roller; in this design, the rotating roller rolls on the pallet track under normal circumstances, when the rotating roller approaches the seam between the stacking mechanism and the pallet track, the support roller contacts the pad, and the pallet as a whole It is raised by the supporting roller, so that the rotating roller is in a suspended state. When the supporting roller leaves the pad, the rotating roller passes through the seam and smoothly falls to the tray guide rail, avoiding the collision between the tray and the seam, and improving the safety. and the service life of the rotating rollers.

In order to further realize the lifting and lowering of the stacking mechanism, the upper part of the material rack is fixedly connected with a lifting motor, the lifting motor is connected with a transmission sprocket, and the upper part of the material rack is rotatably connected with a transmission shaft, which is connected to the transmission shaft There is a driven sprocket, the left and right ends of the transmission shaft are respectively connected with a lift sprocket, the drive sprocket is connected to the driven sprocket in a driving manner, and the upward side of the lift frame is connected with two chain connectors , the lifting sprocket is connected with the corresponding chain connecting piece through the lifting chain.

In order to further realize the movement of the chain hook, a rotating motor is fixedly connected to the lifting frame, a rotating sprocket is connected to the rotating motor, a driving shaft is rotatably connected to the lifting frame, and a connecting chain is connected to the rotating sprocket through the chain drive. The driving sprocket is connected with the corresponding reversing sprocket 1 and reversing sprocket 2 via the moving chain, and each moving chain is connected with a pair of chain hooks.

Description of drawings

FIG. 1 is a three-dimensional structural diagram of the present invention.

FIG. 2 is a schematic structural diagram of realizing the lifting and lowering motion of the stacking mechanism in the present invention.

FIG. 3 is a perspective structural view 1 of the stacking mechanism in the present invention.

FIG. 4 is a second perspective structure diagram of the stacking mechanism in the present invention.

FIG. 5 is a structural diagram of the movement principle of the pallet in and out stacking mechanism in the present invention.

FIG. 6 is a three-dimensional structural view of the tray in the present invention.

FIG. 7 is a structural diagram of the pallet on the stacking mechanism in the present invention.

FIG. 8 is a structural diagram when the support rollers in the present invention push up the front part of the tray so that the front part of the tray is in a suspended state.

FIG. 9 is a structural diagram of the rotating roller at the front of the tray in a suspended state when the rotating roller at the front of the tray passes through the seam between the stacking mechanism and the material storehouse in the present invention.

FIG. 10 is a structural diagram of the rotating roller at the front of the tray falling onto the tray track in the present invention.

11 is a structural diagram of the present invention when the support roller pushes up the rear of the tray so that the rear rotating roller is separated from the tray guide rail and is in a suspended state.

12 is a structural diagram of the present invention when the rotating roller at the rear of the pallet passes through the seam between the stacking mechanism and the material storehouse and is in a suspended state.

Fig. 13 is a structural diagram of the two pairs of rotating rollers in the present invention both falling on the tray track.

FIG. 14 is a schematic structural diagram of the chain hook in the present invention when it is about to be separated from the jaw.

Among them, 1 stacking mechanism, 101 chain connecting piece, 102 lifting frame, 103 reversing sprocket one, 104 driving shaft, 105 connecting sprocket, 106 rotating motor, 107 rotating sprocket, 108 supporting roller, 109 driving sprocket, 110 pallet guide rail, 111 chain hook, 112 reversing sprocket 2, 113 moving chain, 2 lift sprocket, 3 drive sprocket, 4 lift motor, 5 material rack, 6 driven sprocket, 7 drive shaft, 8 pallets , 9 pallet tracks, 10 jaws, 11 rotating rollers, 12 pads, 13 heavy blocks, 14 lifting chains.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings.

A feeding device as shown in FIGS. 1 to 14 includes a material rack 5, and the material rack 5 is arranged with a plurality of tray rails 9 for placing the tray 8 in the height direction, and the tray 8 can move along the tray rail 9, One side of the material rack 5 in the front-rear direction is connected with a stacking mechanism 1 that can be lifted and lowered. The stacking mechanism 1 includes a lifting frame 102 and a moving chain 113. A pair of driving sprockets 109 are rotatably connected to the lifting frame 102. The driving sprockets 109 are respectively connected to the left and right ends of the lifting frame 102. The two ends of the lifting frame 102 in the conveying direction are respectively rotatably connected with a pair of reversing sprockets 103 and a pair of reversing sprockets 112. The first 103 is arranged relative to the material rack 5, and the second reversing sprocket 112 is arranged away from the material rack 5. The driving sprocket 109 is connected to the first reversing sprocket 103 and the second reversing sprocket 112 through the moving chain 113. The chain hooks 111 are connected to each other, and the chain hooks 111 can hook the tray 8. The left and right sides of the tray 8 are provided with jaws 10. The jaws 10 are arranged relative to the stacking mechanism 1, and the jaws 10 can hook the chain hooks. 111. The chain hook 111 can be disengaged from the claw 10 when it rotates.

In order to further realize the lifting and lowering of the stacking mechanism 1, the upper part of the material rack 5 is fixedly connected with a lifting motor 4, the lifting motor 4 is connected with a transmission sprocket 3, and the upper part of the material rack 5 is rotatably connected with a transmission shaft 7, and the transmission shaft 7 The driven sprocket 6 is connected to the top, the left and right ends of the transmission shaft 7 are respectively connected to the lift sprocket 2, the drive sprocket 3 is connected to the driven sprocket 6, and the upward side of the lift frame 102 is connected to two chains The connecting piece 101, the lifting sprocket 2 is connected with the corresponding chain connecting piece 101 through the lifting chain 14, the two chain connecting pieces 101 are symmetrically arranged with respect to the center of the lifting frame 102 in the left-right direction, and the lifting chain 14 is connected to the lifting sprocket 2 One end of the lifting chain 14 is connected with the weight 13 , and the other end of the lifting chain 14 is connected with the chain connecting piece 101 .

In order to further realize the movement of the chain hook 111, a rotating motor 106 is fixedly connected to the lifting frame 102, a rotating sprocket 107 is connected to the rotating motor 106, a driving shaft 104 is rotatably connected to the lifting frame 102, and two driving sprockets 109 are respectively connected to both ends of the drive shaft 104, the rotating sprocket 107 is connected to the connecting sprocket 105 through the chain drive (the chain is not shown in this application, the chain is the prior art), the driving sprocket 109 is connected to the corresponding The first reversing sprocket 103 and the second reversing sprocket 112 are connected, and each moving chain 113 is connected with a pair of chain hooks 111 .

In order to avoid the collision between the pallet 8 and the joint between the stacking mechanism 1 and the pallet track 9, a pair of supporting rollers 108 are rotatably connected to the side of the lifting frame 102 relative to the material rack 5, and the lifting frame 102 is provided with a pair of supporting rollers 108. Tray 8 guide rail 110, the tray 8 can roll along the tray 8 guide rail 110, in the left and right direction, a pair of support rollers 108 between a pair of reversing sprockets 103, in the front and rear direction, the tray 8 rolls along the fixed track At the time, a pair of supporting rollers 108 can lift the tray 8 upward; the left and right ends of the tray 8 are rotatably connected with two pairs of rotating rollers 11, and the two pairs of rotating rollers 11 are symmetrically arranged about the center of the tray 8 in the front-rear direction, and rotate The rollers 11 can roll along the tray rails 9 and the guide rails 110 of the tray 8 . A pad 12 is provided on the lower side of the tray 8 between each pair of rotating rollers 11 , and the pad 12 can be in contact with the supporting roller 108 .

In the present invention, the bottom layer of tray rails 9 is the raw material layer angle steel rails, and the tray rails 9 are spaced apart in the height direction, which is convenient for storing raw materials (the raw materials are placed on the tray 8, and the tray 8 can be placed in the corresponding Tray track 9), to meet the storage of materials of different heights; when the raw materials need to be transported from the stacking mechanism 1 to the tray track 9, the lift motor 4 moves, the lift motor 4 drives the transmission sprocket 3 to rotate, and the transmission sprocket 3 passes through The drive chain drives the driven sprocket 6 to rotate, the driven sprocket 6 drives the drive shaft 7 to rotate, the drive shaft 7 drives the lift sprocket 2 to rotate, and the lift chain 14 drives the lift frame 102 to rise and fall. When the pallet track 9 is at the height, the lifting motor 4 stops, the rotating motor 106 acts, the rotating sprocket 107 rotates, the rotating sprocket 107 drives the rotation of the connecting sprocket 105 through the chain, and the rotation of the connecting sprocket 105 drives the rotation of the shaft 104 , the rotation of the drive shaft 104 drives the rotation of the drive sprocket 109, the drive sprocket 109 drives the rotation of the first reversing sprocket 103 and the second reversing sprocket 112 through the moving chain 113, and the first reversing sprocket 103 and the reversing sprocket The second 112 drives the chain hook 111 to move in the direction of the tray track 9. When the chain hook 111 moves to the position of the first reversing sprocket 103, the chain hook 111 continues to rotate, and when the claw 10 is released from the chain hook 111, The pallet 8 falls on the corresponding pallet track 9, and the pallet 8 is fed from the lift frame 102 to the pallet track 9. The rotating rollers 11 on the left and right ends of the pallet 8 roll on the guide rails 110 of the pallet 8. When the rotating roller 11 approaches the stack When the joint between the stacker and the material warehouse, the support roller 108 is in contact with the pad 12 on the lower side of the pallet 8, the pallet 8 is lifted up by the support roller 108 as a whole, the roller of the pallet 8 is in a suspended state, and the roller of the pallet 8 passes through the connection. After being sewn, it smoothly falls on the corresponding pallet track 9, avoiding the collision between the pallet 8 and the pallet track 9 at the seam, improving the safety and the life of the rotating roller 11; the present invention realizes the work of punching and the storage of sheet materials. , the joint setting of the stacking mechanism 1, the tray track 9 and the tray 8 realizes the in-out and up-and-down movement of the tray 8. Through the joint design of the chain hook 111 and the jaw 10, the movement of the tray 8 with the chain hook 111 is realized, At the same time, it is also very convenient for the tray 8 to be separated from the chain hook 111, and the structure is ingenious; In the warehouse or when the tray 8 enters the stacking mechanism 1 from the material warehouse, take the tray 8 from the stacking mechanism 1 into the material warehouse as an example, the rotating roller 11 rolls on the guide rail 110 of the tray 8, when the rotating roller 11 approaches the seam , the supporting roller 108 is in contact with the pad 12 on the tray 8, the tray 8 is lifted by the supporting roller 108 as a whole, and the rotating roller 11 is in a suspended state. When the supporting roller 108 leaves the pad 12, the rotating roller 11 passes through the seam and smoothly falling on the tray rail 9, avoiding the tray 8 and the tray rail 9 The problem of collision at the seam improves the safety and the service life of the rotating roller 11; it can be used in the feeding work of punch processing.

The present invention is not limited to the above-mentioned embodiments. On the basis of the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some of the technical features according to the disclosed technical contents without creative work. Modifications, replacements and modifications are all within the protection scope of the present invention.

Claims (6)

1. A feeding device, characterized in that it includes a material rack, and the material rack is arranged with a plurality of tray rails for placing trays in the height direction, the trays can move along the tray rails, and the material racks are arranged in the front and rear. One side in the direction is connected with a stacking mechanism that can be lifted and lowered. The stacking mechanism includes a lifting frame and a moving chain. A pair of driving sprockets are rotatably connected to the lifting frame. The left and right ends of the frame, the two ends of the lifting frame in the conveying direction are respectively rotatably connected with a pair of reversing sprockets and a pair of reversing sprockets. Connected to the second sprocket, each moving chain is connected with a chain hook, and the chain hook can hook the tray. 2 . The feeding device according to claim 1 , wherein the left and right sides of the tray are provided with claws, the claws are arranged relative to the stacking mechanism, and the claws can hook the chain. 3 . The hook can be disengaged from the claw when the chain hook is rotated. 3. A feeding device according to claim 1 or 2, wherein a pair of supporting rollers are rotatably connected to the side where the lifting frame is arranged relative to the feeding frame, and a pair of tray guide rails are arranged on the lifting frame, The tray can roll along the tray guide rail, in the left-right direction, a pair of supporting rollers are between a pair of reversing sprockets, and in the front-rear direction, when the tray rolls along the fixed track, a pair of supporting rollers can push the tray upwards jack up. 4. A feeding device according to claim 3, wherein the left and right ends of the tray are rotatably connected with two pairs of rotating rollers, and the rotating rollers can roll along the tray track and the tray guide rail. A pad is arranged on the lower side of the tray between the rotating rollers, and the pad can be in contact with the supporting roller. 5. A feeding device according to claim 1 or 2, wherein a lifting motor is fixedly connected to the upper part of the material rack, a transmission sprocket is connected to the lifting motor, and the upper part of the material rack is rotatable A drive shaft is connected to the ground, and a driven sprocket is connected to the drive shaft. The left and right ends of the drive shaft are respectively connected with a lift sprocket, and the drive sprocket is connected to the driven sprocket. The lift frame The upward side is connected with two chain connecting pieces, and the lifting sprocket is connected with the corresponding chain connecting pieces through the lifting chain. 6. A feeding device according to claim 1 or 2, wherein a rotating motor is fixedly connected to the lifting frame, a rotating sprocket is connected to the rotating motor, and a drive is rotatably connected to the lifting frame The shaft, the rotating sprocket is connected with the connecting sprocket through the chain transmission, the driving sprocket is connected with the corresponding reversing sprocket 1 and reversing sprocket 2 through the moving chain, and each moving chain is connected with a pair of chain hooks.

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