New energy cell integrated busbar CCS layer pressing machine and full-automatic return line thereof

Abstract

The utility model discloses a new energy cell integrated busbar CCS layer pressing machine, and relates to the field of integrated busbar pressing equipment, the new energy cell integrated busbar CCS layer pressing machine comprises a rack, a plurality of middle jigs are arranged between an upper jig and a lower jig of the rack, and the middle jigs are supported by a support frame; through cooperation of the upper jig, the lower jig and the multiple middle jigs, the effect that multiple mold materials are pressed at the same time at a time is achieved, and then the pressing efficiency of the mold materials is improved; the utility model further discloses a full-automatic return line which is suitable for the pressing machine and comprises a plurality of conveying lines combined with one another, die materials can be automatically fed and discharged at the pressing machine, the traditional manual feeding and discharging mode is avoided, the safety is higher, the carrying efficiency of the die materials can be greatly improved, and the labor intensity of workers is reduced. Operators can also adjust the mold materials on the conveying line, and reworking action is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to integrated busbar compression equipment field especially to new energy cell integrated busbar CCS laminating machine and full automatic reflow line thereof. BACKGROUND

[0002] The CCS integrated busbar is integrated into a module by the conductive row, control circuit and other components in the battery module, the plastic structural member, copper aluminum row, FPC and the like are integrated together to realize the functions of cell high-voltage series and parallel connection, temperature acquisition, voltage acquisition, overcurrent fusing and the like, greatly reduce the thickness, have the characteristics of high integration, good reliability, compact structure, small volume and the like, can also save space, facilitate automatic assembly, are suitable for large-scale batch production, and are widely applied in the fields of new energy vehicles and energy storage equipment.

[0003] The production of the new energy cell integrated busbar needs to use special molds and compression equipment. The traditional new energy cell integrated busbar production process adopts a separate compression equipment, for example, the prior art (announcement number: CN221562023U, announcement date: 2024.08.20) discloses a hot-pressing and shaping equipment for integrated busbar, which provides a hot-pressing and cooling shaping station, meets the sequential cooperation demand of hot-pressing and cooling shaping on the same table, is combined ingeniously, switches the station smoothly, and the product forming qualification rate is significantly improved.

[0004] However, the above scheme and the prior art can only compress one mold at a time, the production efficiency is low, and manual operation is needed to put or take out the mold in the corresponding production equipment, which is very inconvenient and has great safety hazards during the production process. UTILITY MODEL CONTENTS

[0005] The utility model provides a technical scheme capable of solving the above problems to overcome the above-mentioned deficiencies.

[0006] The new energy cell integrated busbar CCS laminating machine comprises a rack, a plurality of supporting columns are fixedly installed on the rack, the upper ends of the supporting columns are fixedly installed with a top frame, an upper jig is fixedly installed on the bottom side of the top frame, a plurality of pressing oil cylinders are fixedly installed on the rack, and a lower jig is connected to the pressing oil cylinders;

[0007] A plurality of middle jigs are arranged between the upper jig and the lower jig, a plurality of supporting frames are fixedly installed on the front and rear sides of the rack, and the supporting frames on the front and rear sides are arranged in front and rear symmetry with each other;

[0008] The front and rear sides of the middle jig are respectively formed with a plurality of limiting pins, the limiting pins between adjacent two middle jigs are arranged staggered, a plurality of vertical sliding grooves are formed on the support frame, and the limiting pins of the middle jigs are slidably and correspondingly installed in the vertical sliding grooves.

[0009] Further, the top ends of the plurality of vertical sliding grooves are on the same horizontal line, the bottom ends of the plurality of vertical sliding grooves are arranged in decreasing order from left to right, and when the limiting pins abut against the bottom ends in the vertical sliding grooves, the plurality of middle jigs are arranged parallel and equidistantly on the rack.

[0010] Further, the structure of the top surface of the middle jig is the same as that of the top surface of the lower jig, and the structure of the bottom surface of the middle jig is the same as that of the bottom surface of the upper jig.

[0011] Further, the left and right sides of the rack are respectively fixedly installed with gantry lifting frames, the top ends of the gantry lifting frames are fixedly installed with elevators, the front and rear sides in the gantry lifting frames are slidably and correspondingly installed with side plates, the elevators drive the side plates on both sides to synchronously lift, a plurality of rows of rollers arranged equidistantly are rotatably and correspondingly installed on the side plates, and the distance between adjacent two rows of rollers is the same as the distance between adjacent two middle jigs when the middle jigs are opened.

[0012] Further, the outer side of the right gantry lifting frame is fixedly installed with a pushing mechanism, a plurality of push rods are connected to the pushing mechanism, and the push rods are correspondingly arranged on the right side of each row of rollers.

[0013] Further, a plurality of pulleys are embeddedly installed on the front and rear edges of the upper sides of the lower jig and the middle jig.

[0014] The full-automatic backflow line is suitable for the new energy cell integrated busbar CCS laminating machine, and comprises a first roller conveyor, a second roller conveyor, a moving mechanism, a first chain conveyor, a second chain conveyor and a third chain conveyor.

[0015] The first roller conveyor is arranged in front of the second roller conveyor, and the first roller conveyor is longer than the second roller conveyor.

[0016] The moving mechanism is provided with two, and the two moving mechanisms are correspondingly and fixedly installed above the left and right ends of the second roller conveyor.

[0017] The second chain conveyor is provided with two, and the second chain conveyor is correspondingly arranged behind the first chain conveyor.

[0018] The third chain conveyors are arranged in pairs on the left and right sides of the gantry, and are arranged in pairs corresponding to the second chain conveyors on the left and right sides of the gantry.

[0019] Further, the left and right sides of the front ends of the two first chain conveyors are respectively inserted into the gaps between the adjacent two rollers of the first roller conveyor in a gap fit mode, and the bottom end of the first chain conveyor is provided with a lifter, which drives the first chain conveyor to move up and down.

[0020] Further, a connecting frame is fixedly installed between the two moving mechanisms, and the connecting frame is fixedly installed on the rear side edge of the second roller conveyor, the moving mechanism comprises a transverse conveyor, a lifting device and a moving machine table, the conveyor is fixedly installed on the end of the connecting frame, the conveyor drives the lifting device to move left and right, the lifting device drives the moving machine table to move up and down, and the moving machine table is provided with two clamping mechanisms, which clamp and convey the materials when descending.

[0021] Further, the third chain conveyors are arranged in pairs on the outer sides of the gantry lifting frames on the left and right sides of the gantry, and the third chain conveyors are arranged in pairs corresponding to each row of rollers when the lifting machine drives the rows of rollers to move up and down.

[0022] Compared with the prior art, the utility model has the advantages that:

[0023] 1. When the middle jigs are lifted under the driving of the pressing oil cylinder, the lower jigs are first pressed to the bottom side of the bottommost middle jig, then the adjacent middle jigs are pressed to each other, and finally the topmost middle jig is pressed to the bottom side of the upper jig, so that the mold materials can be placed on the lower jigs and the middle jigs of each layer before the pressing oil cylinder is started, a plurality of mold materials can be pressed at one time, and rapid pressing production is realized.

[0024] 2. The mold materials can be directly conveyed on the first roller conveyor, the mold materials are lifted by lifting the first chain conveyor when being conveyed to the front of the right first chain conveyor, and then the mold materials are conveyed to the second chain conveyor by the first chain conveyor, the direction of the second chain conveyor is rotated by the bottom rotator, the second chain conveyor and the third chain conveyor are arranged in pairs, and the mold materials are conveyed into the pressing machine by the third chain conveyor to realize the effect of automatic feeding.

[0025] 3、With the mold material continuously enters the pressing machine and carries out the pressing action, the mold material after pressing is output from the left side of the rack, and is conveyed to the second chain conveyor through the third chain conveyor on the left side, then the direction of the second chain conveyor on the left side is changed by the rotator at the bottom, so that it is aligned with the first chain conveyor for conveying, and finally is conveyed to the left side of the first roller conveyor, so that the effect of automatic discharging is realized;

[0026] 4、The moving mechanism can move the mold material with poor pressing from the first chain conveyor on the left side to the second roller conveyor, and convey it to the right end through the second roller conveyor, and then move it to the first chain conveyor on the right side through the moving mechanism on the right side, and then automatically recycle the feeding action to enter the pressing machine for pressing action, so that the operator can adjust the position of the product on the second roller conveyor, and facilitate the pressing rework.

[0027] The additional aspects and advantages of the present application will be partially given in the following description, and some will become apparent from the following description, or be understood by those skilled in the art through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0029] Figure 1 is a structural schematic view of the present application;

[0030] Figure 2 is a structural schematic view of the new energy cell integrated busbar CCS laminator;

[0031] Figure 3 is Figure 2 is a structural schematic view of the present application after the jig is hidden;

[0032] Figure 4 is Figure 2 is a structural schematic view from another perspective;

[0033] Figure 5 is Figure 4 is an enlarged structural schematic view of A of the present application;

[0034] Figure 6 is a structural schematic view of the full-automatic reflow line.

[0035] As shown in the figure: 1, rack; 2, support column; 3, top frame; 4, upper fixture; 5, pressing oil cylinder; 6, lower fixture; 7, middle fixture; 8, support frame; 9, limit pin; 10, vertical sliding slot; 11, gantry lifting frame; 12, elevator; 13, side plate; 14, roller; 15, pushing mechanism; 16, push rod; 17, pulley; 18, first roller conveyor; 19, second roller conveyor; 20, moving mechanism; 201, horizontal conveyor; 202, lifting device; 203, carrier table; 204, clamping mechanism; 21, first chain conveyor; 22, second chain conveyor; 23, third chain conveyor; 24, rotator; 25, lifter; 26, connecting frame. DETAILED DESCRIPTION

[0036] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all of the embodiments.

[0037] The components of the embodiments of the present application generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0038] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0039] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying 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 limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0040] In the description of the present application, 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 fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] As Figures 1-6 shown, the utility model discloses new energy cell integrated busbar CCS laminating machine, including frame 1, the frame 1 is fixedly installed with several support columns 2, the upper end of several support columns 2 is fixedly installed with top frame 3, and the bottom side of top frame 3 is fixedly installed with upper jig 4, and the frame 1 is fixedly installed with several pressing oil cylinders 5, and the pressing oil cylinder 5 is driven to be connected with lower jig 6;

[0042] Several middle jigs 7 are arranged between the upper jig 4 and the lower jig 6, a plurality of support frames 8 are fixedly installed on the front and back sides of the frame 1, and the support frames 8 on the front and back sides are symmetrically arranged front to back with each other.

[0043] Several limiting pins 9 are formed on the front and back sides of the middle jig 7, the limiting pins 9 between the adjacent two middle jigs 7 are arranged staggeredly, a plurality of vertical sliding grooves 10 are formed on the support frame 8, and the limiting pin 9 of the middle jig 7 is slidably and correspondingly installed in the vertical sliding groove 10.

[0044] Its principle is: using the support frame 8 to prop up several middle jigs 7, when the lower jig 6 is lifted under the driving of the pressing oil cylinder 5, the lower jig 6 will first be pressed to the bottom side of the bottommost middle jig 7, then continue to rise to let the adjacent middle jigs 7 be pressed to each other, and finally let the top side middle jig 7 be pressed to the bottom side of the upper jig 4, the mold material can be placed on each layer of the lower jig 6 and the middle jig 7 before the pressing oil cylinder 5 is started, a plurality of mold materials can be pressed at one time, and rapid pressing production is realized.

[0045] Further, the top ends in the plurality of vertical sliding grooves 10 are on the same horizontal line, the bottom ends in the plurality of vertical sliding grooves 10 are sequentially arranged from left to right in a decreasing manner, when the limiting pin 9 abuts against the bottom end in the vertical sliding groove 10, the plurality of middle jigs 7 are arranged parallel and equidistantly apart on the frame 1, before the pressing oil cylinder 5 is started, the plurality of middle jigs 7 can be kept in a parallel and separated state, and the spacing between the plurality of middle jigs 7 can be kept consistent, thereby facilitating the placement of the mold material on the lower jig 6 and the middle jig 7, and facilitating the pressing action.

[0046] Further, the structure of the top surface of the middle jig 7 is the same as that of the top surface of the lower jig 6, and the structure of the bottom surface of the middle jig 7 is the same as that of the bottom surface of the upper jig 4, so that the pressing effect of each layer of the pressing machine can be kept consistent, thereby ensuring the pressing effect on the mold material.

[0047] Further: the left and right sides of the rack 1 are respectively fixedly installed with gantry lifting frames 11, the top ends of the gantry lifting frames 11 are fixedly installed with elevators 12, the front and rear sides in the gantry lifting frames 11 are slidably and cooperatively installed with side plates 13, the elevators 12 drive the side plates 13 on both sides to be synchronously lifted, a plurality of rows of equally spaced arrayed rollers 14 are rotatably and cooperatively installed on the side plates 13, the spacing between adjacent two rows of rollers 14 is the same as the spacing when adjacent two middle jigs 7 are opened to each other; the mold material can be placed on each row of rollers 14, the side plates 13 are driven by the elevators 12 to be aligned with the lower jigs 6 and the middle jigs 7, and then the mold material is pushed into the multi-layer structure of the pressing machine in a pushing manner, so that the effect of automatic feeding and discharging is realized.

[0048] Further: the outer side of the right gantry lifting frame 11 is fixedly installed with a pushing mechanism 15, a plurality of push rods 16 are connected to the pushing mechanism 15, and the push rods 16 are correspondingly arranged on the right side of each row of rollers 14; the mold material placed on each row of rollers 14 can be correspondingly pushed into the lower jigs 6 and the middle jigs 7 by the pushing mechanism 15 driving the push rods 16, as the mold material is continuously pushed in, the pressed mold material is output from the left side of the rack 1 and is received by each row of rollers 14 on the left gantry lifting frame 11, so that the effect of automatic feeding and discharging is realized.

[0049] Further: a plurality of pulleys 17 are embeddedly installed on the front and rear edges of the upper sides of the lower jigs 6 and the middle jigs 7; the mold material can be conveniently pushed on the lower jigs 6 and the middle jigs 7.

[0050] The full-automatic reflow line is suitable for the new energy cell integrated busbar CCS laminating machine, and comprises a first roller conveyor 18, a second roller conveyor 19, a moving mechanism 20, a first chain conveyor 21, a second chain conveyor 22 and a third chain conveyor 23.

[0051] The first roller conveyor 18 is arranged in front of the second roller conveyor 19, and the first roller conveyor 18 is longer than the second roller conveyor 19.

[0052] The moving mechanism 20 is provided with two, and the two moving mechanisms 20 are correspondingly and fixedly installed above the left and right ends of the second roller conveyor 19; the first chain conveyor 21 is provided with two, and the two first chain conveyors 21 are arranged at the left and right ends of the second roller conveyor 19; the moving mechanism 20 drives the mold material to move to the first chain conveyor 21 or the second roller conveyor 19.

[0053] The second chain conveyor 22 is provided with two, and the second chain conveyor 22 is provided behind the first chain conveyor 21 one by one, and the bottom side of the second chain conveyor 22 is provided with a rotator 24, which drives the second chain conveyor 22 to rotate;

[0054] The third chain conveyor 23 is provided with two, and the third chain conveyor 23 is provided on the left and right sides of the rack 1 after the second chain conveyor 22 rotates one by one and is provided one by one with the third chain conveyor 23;

[0055] The principle is: the mold material can be directly conveyed on the first roller conveyor 18, when conveyed to the front of the right first chain conveyor 21, the mold material can be lifted by the first chain conveyor 21 rising, and conveyed to the second chain conveyor 22 through the first chain conveyor 21, and then the direction is changed by the rotator 24 at the bottom, so that the second chain conveyor 22 and the third chain conveyor 23 are opposite each other, and the mold material is conveyed into the pressing machine through the third chain conveyor 23 to perform the pressing action, realizing the effect of automatic feeding. With the mold material continuously entering the pressing machine for pressing action, the pressed mold material will be output from the left side of the rack 1, and conveyed to the second chain conveyor 22 through the third chain conveyor 23 on the left side, and then the direction of the second chain conveyor 22 on the left side is changed by the rotator 24 at the bottom, so that it is aligned with the first chain conveyor 21 for conveying, and finally conveyed to the left side of the first roller conveyor 18. The moving mechanism 20 can move the mold material with poor pressing from the first chain conveyor 21 on the left side to the second roller conveyor 19, and then conveyed to the right end through the second roller conveyor 19, and then moved to the first chain conveyor 21 on the right side through the moving mechanism 20 on the right side, and then the above action is recycled to re-enter the pressing machine for pressing action. The operator can adjust the position of the product on the second roller conveyor 19, thereby facilitating the pressing rework.

[0056] Further: the left and right sides of the front ends of the two first chain conveyors 21 are respectively inserted into the gap between the adjacent two rollers of the first roller conveyor 18, and the bottom end of the first chain conveyor 21 is provided with a lifter 25, which drives the first chain conveyor 21 to move up and down; the lifter 25 can be used to lift the mold material on the first roller conveyor 18 by driving the first chain conveyor 21, thereby realizing the automatic conveying of the mold material, and the two conveying lines can be used together without interfering with each other.

[0057] Further, the two moving mechanisms 20 are fixedly installed with connecting frames 26, the connecting frames 26 are fixedly installed on the rear side edges of the second roller conveyor 19, the moving mechanism 20 comprises a transverse conveyor 201, a lifting device 202 and a moving table 203, the conveyor is fixedly installed on the end of the connecting frame 26, the conveyor drives the lifting device 202 to move left and right, the lifting device 202 drives the moving table to move up and down, the moving table 203 is provided with two clamping mechanisms 204, the clamping mechanisms 204 are lowered to clamp and convey the materials; the stable installation of the two moving mechanisms 20 can be ensured, the moving mechanism 20 moves to the first chain conveyor 21 or the second roller conveyor 19 by the transverse conveyor 201 and the lifting device 202, the automatic rework conveying of the mold materials is realized, the actual use is facilitated, the mold materials can be clamped by the clamping mechanisms 204 after the lifting device 202 drives the clamping mechanisms 204 to move down, and the clamping and moving effect is realized.

[0058] Further, the third chain conveyors 23 are correspondingly arranged outside the left and right gantry lifting frames 11 of the rack 1, when the elevator 12 drives the rows of rollers 14 to move up and down, the third chain conveyors 23 are correspondingly arranged to align with each row of rollers 14; by the combination of the structures of various devices, the automatic feeding and discharging of the mold materials on the left and right sides of the pressing machine is realized, the production efficiency is accelerated, manual carrying is not needed, and the safety is greatly improved.

[0059] The embodiment is not limited in shape, material, structure and the like of the utility model in any form, any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model belongs to the protection scope of the technical scheme of the utility model.

Claims

1. A new energy cell integrated busbar CCS laminating machine, comprising a rack, characterized in that: a plurality of support columns are fixedly installed on the rack, the upper ends of the plurality of support columns are fixedly installed with a top frame, the bottom side of the top frame is fixedly installed with an upper jig, a plurality of pressing oil cylinders are fixedly installed on the rack, and a lower jig is connected to the pressing oil cylinders; a plurality of middle jigs are arranged between the upper jig and the lower jig, a plurality of support frames are fixedly installed on the front and rear sides of the rack, and the support frames on the front and rear sides are arranged symmetrically front to back; a plurality of limiting pins are formed on the front and rear sides of the middle jig, the limiting pins between adjacent two middle jigs are arranged staggered, a plurality of vertical sliding grooves are formed on the support frame, and the limiting pins of the middle jig are slidingly and correspondingly installed in the vertical sliding grooves. The top ends of the plurality of vertical sliding grooves are on the same horizontal line, the bottom ends of the plurality of vertical sliding grooves are arranged decreasingly from left to right, and when the limiting pins abut against the bottom ends in the vertical sliding grooves, the plurality of middle jigs are arranged parallel and equidistantly on the rack.

2. The new energy cell integrated busbar CCS laminating machine according to claim 1, characterized in that: The structure of the top surface of the middle jig is the same as that of the top surface of the lower jig, and the structure of the bottom surface of the middle jig is the same as that of the bottom surface of the upper jig.

3. The new energy cell integrated busbar CCS laminating machine according to claim 2, characterized in that: A gantry lifting frame is fixedly installed on the left and right sides of the rack, a lifting machine is fixedly installed at the top end of the gantry lifting frame, side plates are slidingly and correspondingly installed on the front and rear sides in the gantry lifting frame, the side plates on the two sides are synchronously lifted by the lifting machine, a plurality of rollers arranged equidistantly in an array are rotatably and correspondingly installed on the side plates, and the distance between adjacent two rows of rollers is the same as the distance between adjacent two middle jigs when the middle jigs are opened.

4. The new energy cell integrated busbar CCS laminating machine according to claim 1, characterized in that: A pushing mechanism is fixedly installed on the outside of the right gantry lifting frame, a plurality of push rods are correspondingly arranged on the right side of each row of rollers.

5. The new energy cell integrated busbar CCS laminating machine according to claim 4, characterized in that: A plurality of pulleys are embeddedly installed on the front and rear edges of the upper sides of the lower jig and the middle jig.

6. The new energy cell integrated busbar CCS laminating machine according to claim 1, characterized in that: It comprises a first roller conveyor, a second roller conveyor, a moving mechanism, a first chain conveyor, a second chain conveyor and a third chain conveyor; 7. A full-automatic reflow line, suitable for the new energy cell integrated busbar CCS laminating machine of any one of claims 1-6, characterized in that: The first roller conveyor is arranged in front of the second roller conveyor, and the first roller conveyor is longer than the second roller conveyor; The moving mechanism is provided with two, and the two moving mechanisms are correspondingly fixedly installed above the left and right ends of the second roller conveyor; The second chain conveyor is provided with two, and the second chain conveyor is correspondingly arranged behind the first chain conveyor; The third chain conveyor is provided with two, and the third chain conveyor is correspondingly arranged on the left and right sides of the rack after the second chain conveyor rotates. ​ 8. The fully automatic reflow line according to claim 7, characterized in that: The left and right sides of the two front ends of the first chain conveyors are respectively inserted into the gaps between two adjacent rollers of the first roller conveyor in a clearance fit, and the bottom end of the first chain conveyor is provided with a lifter, which drives the first chain conveyor to move up and down.

9. The fully automatic reflow line according to any one of claims 7 or 8, characterized in that: A connecting frame is fixedly installed between the two moving mechanisms, and the connecting frame is fixedly installed on the rear side edge of the second roller conveyor. The moving mechanism comprises a transverse conveyor, a lifting device and a moving machine table. The conveyor is fixedly installed on the end of the connecting frame. The conveyor drives the lifting device to move left and right. The lifting device drives the moving machine table to move up and down. Two clamping mechanisms are arranged on the moving machine table. The clamping mechanisms are lowered to clamp and convey the materials.

10. The fully automatic reflow line of claim 7, wherein: The third chain conveyors are correspondingly arranged outside the left and right gantry lifting frames of the rack. When the elevator drives the rows of rollers to move up and down, the third chain conveyors are correspondingly aligned with each row of rollers.

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