CN209830796U - Production line for assembling range hood - Google Patents

Abstract

The utility model provides a production line for lampblack absorber assembly, which relates to the technical field of lampblack absorber assembly, and comprises a first speed doubling chain, a steering transmission line, a second speed doubling chain, a lifting plate hoist, a first transmission line and a lifting plate hoist which are sequentially connected from head to tail, wherein an operator performs the assembly operation of the lampblack absorber on the first speed doubling chain and the second speed doubling chain, and the steering transmission line is used for conveying tooling plates on the first speed doubling chain to the second speed doubling chain; the lifting plate hoister receives the tooling plates on the second speed multiplying chain and then conveys the tooling plates upwards, then conveys the tooling plates to the first conveying line, the first conveying line conveys the tooling plates to the plate descending hoister, the plate descending hoister conveys the tooling plates downwards, and then conveys the tooling plates to the first speed multiplying chain, so that the circulation of the tooling plates on the production line is completed. The technical problems of large occupied area of a production line for assembling the range hood and high equipment investment cost in the prior art are solved.

Description

Production line for assembling range hood

Technical Field

The utility model relates to a lampblack absorber assembly technical field particularly, relates to a production line for lampblack absorber assembly.

Background

In large scale production, flow lines have been a major feature of modern industrial production. The large-scale production mode reduces the production cost and improves the production efficiency by standardized and mass production. However, the society enters a new stage that the market demand is diversified, the industrial production is correspondingly required to be developed towards the direction of multiple varieties and small batch, and the weakness of the single variety and large batch flow production mode is gradually obvious. In order to comply with the requirements of the times, the production mode of CELL is developed. The existing CELL production line adopts an open-close type speed-multiplying chain, the speed-multiplying chain is laid linearly, the occupied space is large, a tooling plate is conveyed to the initial end of the speed-multiplying chain from the tail end of the speed-multiplying chain by adopting a bottom plate returning mode, an upper layer and a lower layer of tooling plate conveying channels are required to be arranged on the speed-multiplying chain, the material consumption of the speed-multiplying chain is increased, and the equipment investment is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a production line for lampblack absorber assembly to alleviate the production line area who is used for the lampblack absorber assembly among the prior art big, technical problem that equipment investment cost is high.

The utility model provides a production line for assembling a range hood, which comprises a first speed multiplying chain, a steering conveying line, a second speed multiplying chain, a lifting plate hoist, a first conveying line and a lifting plate hoist, wherein the first speed multiplying chain, the steering conveying line, the second speed multiplying chain, the lifting plate hoist, the first conveying line and the lifting plate hoist are sequentially connected from head to tail;

the turning conveying line is used for transferring the tooling plates on the first speed multiplying chain to the second speed multiplying chain, the plate lifting machine is used for conveying the tooling plates on the second speed multiplying chain to the first conveying line, a channel for facilitating the passing of personnel and articles is arranged below the first conveying line, and the plate lifting machine is used for conveying the tooling plates to the first speed multiplying chain.

Furthermore, the steering conveying line comprises two rotating machine tables and a second conveying line arranged between the two rotating machine tables, and the two rotating machine tables are respectively connected with the first speed doubling chain and the second speed doubling chain.

Furthermore, the second conveying line comprises a conveying rack, a first lifting mechanism and a first roller way, and the first lifting mechanism is installed on the conveying rack and used for driving the first roller way to lift.

Furthermore, the rotating machine table comprises a rotating rack, a rotating mechanism and a second roller way, wherein the rotating mechanism is installed on the rotating rack and used for driving the second roller way to rotate, so that the second roller way can be in butt joint with the first double-speed chain or can be in butt joint with the first roller way.

Furthermore, a third roller way and a second lifting mechanism are arranged at one end of the second speed-multiplying chain, which is connected with the plate lifting machine, and the second lifting mechanism can drive the third roller way to ascend and support the tooling plate;

the plate lifting machine comprises a plate lifting frame, a fourth roller way and a third lifting mechanism, wherein the third lifting mechanism is installed on the plate lifting frame and used for driving the fourth roller way to lift, so that the fourth roller way can be in butt joint with the third roller way or can be in butt joint with the first conveying line.

Further, fall the board lifting machine including falling board lifting frame, fifth roll table, belt conveyor line and fourth elevating system, the belt conveyor line with the butt joint of first doubly fast chain, the fifth roll table is equipped with the confession the opening that the belt conveyor line passed, fourth elevating system installs fall board lifting frame is last and be used for the drive the fifth roll table goes up and down, so that the belt conveyor line passes the opening supports the frock board, or makes the fifth roll table with first transfer chain butt joint.

Further, the third lifting mechanism and the fourth lifting mechanism both comprise rodless cylinders.

Furthermore, a plurality of stoppers for stopping the tooling plates are arranged at intervals along the length direction of each of the first speed doubling chain and the second speed doubling chain, the stoppers divide the first speed doubling chain and the second speed doubling chain into a plurality of stations, and each station is provided with two tooling plates.

Further, the stopper comprises a blocking cylinder, and electric control buttons for controlling the blocking cylinder to ascend or descend are arranged on the inner sides of the first speed multiplying chain and the second speed multiplying chain.

Furthermore, the outer sides of the first speed doubling chain and the second speed doubling chain are provided with material vehicles, each material vehicle comprises an incoming material rail positioned on the upper layer and a return material rail positioned on the lower layer, the incoming material rails are obliquely arranged, the lower ends of the incoming material rails are positioned above the first speed doubling chain and the second speed doubling chain, and the return material rails are obliquely arranged, and the upper ends of the return material rails are positioned below the first speed doubling chain and the second speed doubling chain.

The utility model provides a beneficial effect that is used for production line of lampblack absorber assembly to bring is:

the range hood assembly line is characterized in that a first speed doubling chain, a steering conveying line, a second speed doubling chain, a plate lifting machine, a first conveying line and a plate lowering lifting machine which are sequentially connected end to end are arranged, wherein an operator mainly sequentially performs assembly operation on the range hood on tooling plates on the first speed doubling chain and the second speed doubling chain, and the steering conveying line is used for steering and conveying the tooling plates on the first speed doubling chain to the second speed doubling chain; the lifting plate hoister receives the tooling plates on the second speed multiplying chain and then upwards conveys the tooling plates, and then conveys the tooling plates to the first conveying line.

When a production line for assembling the range hood works, taking a tooling plate which is positioned at one end of a first speed doubling chain close to a plate lowering lifter as an example, and sequentially assembling workpieces on the tooling plate in each passing station along with the operation of the first speed doubling chain; then, the workpiece is conveyed to a second speed doubling chain through a steering conveying line, the workpiece on the tooling plate sequentially carries out further assembly work in each passing station along with the operation of the second speed doubling chain, and when the tooling plate operates to one end, close to the lifting plate lifter, of the second speed doubling chain, the workpiece on the tooling plate is assembled and transferred to be boxed; and then, the empty tooling plate enters the plate lifting machine and is conveyed to a first conveying line by the plate lifting machine, the tooling plate is conveyed to the plate lowering lifting machine by the first conveying line, and the tooling plate is conveyed to a first speed multiplying chain by the plate lowering lifting machine and enters the next cycle.

By changing the production line into a closed arrangement, when the total length of the production line is not changed, the maximum length of the production line in one direction is reduced, the production line is more compact, and the occupied area is smaller. In addition, buckle the production line through turning to the transfer chain, transfer empty frock board to the initial end of first doubly fast chain by the second doubly fast chain through first transfer chain afterwards, empty frock board gets back to the distance that initial point removed and is shorter, has reduced and has carried the consumptive material that empty frock board resets, and then has reduced production line equipment investment cost. Finally, through setting up the board lifting machine that rises and falling the board lifting machine, made first transfer chain below form the passageway that supplies personnel and article business turn over, operating personnel can be in the inside assembly operation of accomplishing each worker station of confined production line, and at this moment, the distance between each operating personnel is shorter, can realize mutual cooperation, has improved the production efficiency that is used for the production line of lampblack absorber assembly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a production line for assembling a range hood provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first speed multiplying chain in a production line for assembling a range hood provided by the embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural view of a plate lowering elevator in a production line for assembling a range hood provided by an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second conveying line in a production line for assembling a range hood provided by an embodiment of the present invention;

fig. 6 is a schematic structural view of a material trolley in a production line for assembling a range hood provided by the embodiment of the present invention;

fig. 7 is the embodiment of the utility model provides a structure schematic diagram of revolving stage in production line for lampblack absorber assembly.

Icon: 100-first double speed chain; 200-a second speed doubling chain; 300-lifting a plate elevator; 400-a first conveyor line; 500-lowering the plate elevator; 600-a rotating machine; 700-a second conveyor line; 800-material vehicle; 900-tooling plate;

110-a stopper;

210-a third roller bed;

310-raising the plate lifting frame; 320-a fourth roller bed;

510-lowering the plate lifting frame; 520-a fifth roller bed; 530-belt conveying line; 540-a fourth lifting mechanism;

610-a rotating gantry; 620-a rotation mechanism; 630-a second roller table;

710-a conveyor frame; 720-a first lifting mechanism; 730-a first roller table;

810-incoming track; 820-feed back track.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present embodiment provides a production line for assembling a range hood, including a first multiple-speed chain 100, a turning conveyor line, a second multiple-speed chain 200, a plate lifting machine 300, a first conveyor line 400, and a plate lowering lifting machine 500, which are sequentially connected end to end, wherein an operator mainly sequentially performs assembly operations of the range hood on tooling plates 900 on the first multiple-speed chain 100 and the second multiple-speed chain 200, and the turning conveyor line is used for turning and conveying the tooling plates 900 on the first multiple-speed chain 100 to the second multiple-speed chain 200; after the lifting plate elevator 300 receives the tooling plate 900 on the second speed doubling chain 200, the tooling plate 900 is conveyed upwards, and then the tooling plate 900 is conveyed to the first conveyor line 400, after the first conveyor line 400 conveys the tooling plate 900 to the lowering plate elevator 500, the lowering plate elevator 500 conveys the tooling plate 900 downwards, and then the tooling plate 900 is conveyed to the first speed doubling chain 100, and the circulation of the tooling plate 900 on the production line is completed.

Referring to fig. 1, the arrow in fig. 1 indicates the conveying direction of the tooling plate 900. When a production line for assembling the range hood works, taking the tooling plate 900 positioned at one end of the first speed-multiplying chain 100 close to the plate lowering elevator 500 as an example, workpieces on the tooling plate 900 are assembled in each passing station in sequence along with the operation of the first speed-multiplying chain 100; then, the workpiece is conveyed to the second speed-multiplying chain 200 by a steering conveyor line, the workpiece on the tooling plate 900 sequentially carries out further assembly work in each passing station along with the operation of the second speed-multiplying chain 200, and when the tooling plate 900 runs to one end of the second speed-multiplying chain 200 close to the plate lifting elevator 300, the workpiece on the tooling plate completes assembly operation and is transferred and boxed; subsequently, the empty tooling plate 900 enters the plate lifting elevator 300 and is conveyed to the first conveyor line 400 by the plate lifting elevator 300, the first conveyor line 400 conveys the tooling plate 900 to the plate lowering elevator 500, and the plate lowering elevator 500 conveys the tooling plate 900 to the first double-speed chain 100 and enters the next cycle.

By changing the production line into a closed arrangement, when the total length of the production line is not changed, the maximum length of the production line in one direction is reduced, the production line is more compact, and the occupied area is smaller. In addition, the production line is bent through the steering conveying line, then the empty tooling plate 900 is transferred to the initial end of the first speed doubling chain 100 through the second speed doubling chain 200 through the first conveying line 400, the moving distance of the empty tooling plate 900 returning to the initial point is shorter, the consumable materials for conveying the empty tooling plate 900 to reset are reduced, and the investment cost of production line equipment is further reduced. Finally, through setting up the board lifting machine 300 and falling board lifting machine 500, make first transfer chain 400 below form the passageway that supplies personnel and article business turn over, operating personnel can accomplish the assembly operation at each worker station in the inside production line that seals, and at this moment, the distance between each operating personnel is shorter, can realize mutual cooperation, has improved the production efficiency that is used for the production line of lampblack absorber assembly.

It should be noted that the first double-speed chain 100, the second double-speed chain 200, and the first conveyor line 400 (including the later-mentioned conveyor line) in this embodiment all refer to conveying the tooling plate 900 in a linear direction, and it is also preferable to arrange the length direction of the first double-speed chain 100 and the length direction of the second double-speed chain 200 in parallel, and the length direction of the first conveyor line 400 and the length direction of the first double-speed chain 100 are perpendicular to each other. In addition, this embodiment can also be equipped with the station that is used for assembling the lampblack absorber at the steering transfer line.

Referring to fig. 1, in the present embodiment, the steering transmission line includes two rotating machines 600 and a second transmission line 700 disposed between the two rotating machines 600, and the two rotating machines 600 are respectively connected to the first speed-multiplying chain 100 and the second speed-multiplying chain 200.

Specifically, the length direction of the second conveying line 700 is perpendicular to the length direction of the first speed-multiplying chain 100, and after the tooling plate 900 is conveyed to the rotary machine 600, the rotary machine 600 can rotate 90 degrees, and then the tooling plate 900 is conveyed to the second conveying line 700 or the second speed-multiplying chain 200, so that the steering operation of the tooling plate 900 is completed.

This embodiment is still equipped with the station that is used for assembling the lampblack absorber on second transfer chain 700, and is concrete, refer to fig. 5, and second transfer chain 700 includes conveyer frame 710, first elevating system 720 and first roll table 730, and first elevating system 720 installs on conveyer frame 710 and is used for driving the lift of first roll table 730.

Specifically, through setting up first elevating system 720 and linking up with transport rack 710 and first roll table 730 respectively, when frock board 900 lies in first roll table 730 completely, first elevating system 720 descends, makes the height that highly reaches operating personnel of first roll table 730 satisfied, assembles work again afterwards, should set up comfortable experience that has improved operating personnel, has reduced operating personnel's fatigue degree, has indirectly improved operating personnel's work efficiency.

It should be noted that, when an operator performs an assembly operation on the first roller way 730, the first roller way 730 does not rotate, at this time, a sensor may be disposed between the first roller way 730 and the rotating machine 600 close to the first multiple speed chain 100, when the tooling plate 900 is conveyed out by the rotating machine 600, the sensor senses the tooling plate 900, and then the first roller way 730 rotates; when the tooling plate 900 completely passes through the sensor, the sensor cannot sense the tooling plate 900, the first roller way 730 stops rotating, at the moment, the tooling plate 900 is completely positioned on the first roller way 730, and the first roller way 730 and the subsequent assembly operation can be moved downwards.

It should be noted that the first roller track 730 and the roller tracks presented below in this embodiment are both composed of a driving roller and a plurality of driven rollers, the driving roller and the driven rollers are connected by a belt, and the rotating rollers rotate forward and backward to complete the forward and backward conveying of the tooling plate 900.

Referring to fig. 7, in the embodiment, the rotating machine 600 includes a rotating frame 610, a rotating mechanism 620 and a second roller way 630, wherein the rotating mechanism 620 is mounted on the rotating frame 610 and is used for driving the second roller way 630 to rotate, so that the second roller way 630 can be docked with the first double-speed chain 100 or can be docked with the first roller way 730.

In specific operation, taking the rotating machine 600 located between the first speed-doubling chain 100 and the second conveying line 700 as an example, the second roller table 630 is first butted with the first speed-doubling chain 100 and the conveying directions are the same, and at this time, the tooling plate 900 can be conveyed to the second roller table 630 by the first speed-doubling chain 100; when the tooling plate 900 is located on the second roller way 630, the rotating mechanism 620 drives the second roller way 630 to rotate 90 degrees, so that the second roller way 630 is in butt joint with the second conveying line 700, at the moment, the driving roller on the second roller way 630 rotates in the opposite direction, so that the conveying direction of the second roller way 630 is the same as that of the second conveying line 700, the tooling plate 900 is conveyed to the second conveying line 700, and one-time steering of the co-rotating plate is completed. Similarly, the tooling plate 900 is transported from the first speed doubling chain 100 to the second speed doubling chain 200 by turning the other rotary machine 600.

In this embodiment, the rotating mechanism 620 preferably comprises a rotating cylinder mounted to the rotating frame 610 and drivingly connected to the second roller way 630.

Referring to fig. 1, in the embodiment, the second double-speed chain 200 is provided with a third roller table 210 and a second lifting mechanism at one end connected to the plate lifting machine 300, and the second lifting mechanism can drive the third roller table 210 to lift and support the tooling plate 900. The plate lifter 300 includes a plate lifting frame 310, a fourth roller 320, and a third lifting mechanism, which is installed on the plate lifting frame 310 and is used to drive the fourth roller 320 to lift, so that the fourth roller 320 can be butted with the third roller 210 or can be butted with the first conveyor line 400.

Specifically, the third roller way 210 and the second lifting mechanism are arranged between two conveying chains on the second speed doubling chain 200, and when the tooling plate 900 is conveyed to a position right above the third roller way 210, the second lifting mechanism drives the third roller way 210 to ascend, so that the tooling plate 900 is separated from the two conveying chains, and the third roller way 210 is also butted with the fourth roller way 320 on the plate lifting machine 300. Subsequently, the third roller table 210 conveys the tooling plate 900 to the fourth roller table 320, and the third lifting mechanism drives the fourth roller table 320 to ascend until the fourth roller table 320 is in butt joint with the first conveyor line 400, so that the tooling plate 900 is conveyed from the fourth roller table 320 to the first conveyor line 400.

It should be noted that the first conveying line 400 in this embodiment is also a roller table composed of a driving roller and a driven roller.

Referring to fig. 4, in the embodiment, the plate lowering elevator 500 includes a plate lowering elevator frame 510, a fifth roller way 520, two belt conveyor lines 530 and a fourth elevator mechanism 540, the belt conveyor lines 530 are installed on the plate lowering elevator frame 510 and are in butt joint with the first double-speed chain 100, the fifth roller way 520 is provided with two openings through which the two belt conveyor lines 530 pass, and the fourth elevator mechanism 540 is installed on the plate lowering elevator frame 510 and is used for driving the fifth roller way 520 to ascend and descend, so that the belt conveyor lines 530 pass through the openings and support the tooling plate 900, or the fifth roller way 520 is in butt joint with the first conveyor line 400.

Specifically, the fifth roller bed 520 is first butted with the first conveyor line 400, so that the tooling plate 900 is conveyed from the first conveyor line 400 to the fifth roller bed 520, and then the fourth lifting mechanism 540 drives the fifth roller bed 520 to descend until the two belt conveyor lines 530 protrude from the opening of the fifth roller bed 520, and the tooling plate 900 is separated from the fifth roller bed 520 and is completely supported by the two belt conveyor lines 530. Finally, the belt conveyor 530 rotates, and the tooling plate 900 is conveyed to the first double-speed chain 100. The conveying direction of this embodiment through setting up fifth roll table 520 and the conveying direction mutually perpendicular of belt conveyor line 530 falls board lifting machine 500 and can carry frock board 900, and is nimble convenient in the three direction of XYZ.

Referring to fig. 4, in the present embodiment, the third lifting mechanism and the fourth lifting mechanism 540 both include rodless cylinders.

Specifically, the third lifting mechanism and the fourth lifting mechanism 540 each include two rodless cylinders, and for the plate lowering elevator 500, the two rodless cylinders are located on both sides of the fifth roller way 520 along the length direction of the roller ways, and when the fifth roller way 520 is located at the topmost end of the plate lowering elevator 500, the upper surface of the fifth roller way 520 is higher than the rodless cylinders, and the rodless cylinders do not affect the conveyance of the tooling plate 900 from the first conveyor line 400 to the fifth roller way 520. On the contrary, referring to fig. 1, two rodless cylinders are located at two sides of the fourth roller way 320 along the conveying direction thereof, so as to prevent the rodless cylinders from affecting the conveying of the tooling plate 900 from the third roller way 210 to the fourth roller way 320.

Referring to fig. 1 to fig. 3, in the present embodiment, the first speed-multiplying chain 100 and the second speed-multiplying chain 200 are provided with a plurality of stoppers 110 for stopping the tooling plates 900 at intervals along the respective length directions, the stoppers 110 divide the first speed-multiplying chain 100 and the second speed-multiplying chain 200 into a plurality of stations, and each station is provided with two tooling plates 900.

Specifically, each work station may include one or more assembling processes, the number of assembling processes in different work stations may be different, but the time required for an operator to complete all processes on one work plate 900 in each work station is substantially the same, so as to ensure that when the operator in one work station completes the assembling processes, the work plate 900 in the previous work station can be timely conveyed to the work station, and smooth operation of the assembly line is ensured.

Further, by providing two tooling plates 900 at each station, when assembly takes a lot of time on one tooling plate 900, assembly can be expedited on the other tooling plate 900, further ensuring that the time required for assembly to be completed on average on each tooling plate 900 is substantially equal to the specified time.

In this embodiment, the stopper 110 includes a stopper cylinder, and the inner sides of the first and second double speed chains 100 and 200 are provided with electric control buttons for controlling the stopper cylinder to ascend or descend.

At this time, the inner sides of the first speed doubling chain 100 and the second speed doubling chain 200 refer to one side in the closed loop formed by the closed production line, and at this time, the operators are all located in the closed loop formed by the closed production line.

Alternatively, the present embodiment may also arrange the electric control buttons on the outer sides of the first and second double speed chains 100 and 200, in which case the operator is located outside the closed loop formed by the closed production line.

Referring to fig. 6, in the present embodiment, a material cart 800 is disposed outside the first double-speed chain 100 and the second double-speed chain 200, the material cart 800 includes a feeding track 810 located on an upper layer and a return track 820 located on a lower layer, the feeding track 810 is disposed in an inclined manner, a lower end of the feeding track is located above the first double-speed chain 100 and the second double-speed chain 200, and the return track 820 is disposed in an inclined manner, and an upper end of the return track is located below the first double-speed chain 100 and the second double-speed chain 200.

Specifically, the lower layer part of the logistics vehicle is inserted into the lower parts of the first speed doubling chain 100 and the second speed doubling chain 200, so that the lower end of the incoming material rail 810 is located in front of an operator, the upper end of the return material rail 820 is located beside the foot of the operator, at the moment, the operator can directly reach forward to take out the workpiece in the material box in the incoming material rail 810, after the workpiece in the material box in the incoming material rail 810 is used up, the empty material box can be placed at the upper end of the return material rail 820 beside the foot, and can automatically slide down to the outer sides of the first speed doubling chain 100 and the second speed doubling chain 200, so that other operators can take out and supplement the workpiece conveniently.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A production line for assembling a range hood is characterized by comprising a first speed doubling chain (100), a steering conveying line, a second speed doubling chain (200), a plate lifting machine (300), a first conveying line (400) and a plate lowering lifting machine (500), wherein the first speed doubling chain, the steering conveying line, the second speed doubling chain, the plate lifting machine and the plate lowering lifting machine are sequentially connected end to end;

turn to the transfer chain and be used for with frock board (900) on first doubly fast chain (100) are transported extremely on second doubly fast chain (200), rise board lifting machine (300) and be used for with frock board (900) on second doubly fast chain (200) are carried extremely on first transfer chain (400), first transfer chain (400) below is equipped with the passageway that makes things convenient for personnel and article to pass in and out, fall board lifting machine (500) and be used for with frock board (900) are carried extremely on first doubly fast chain (100).

2. The production line for range hood assembly according to claim 1, characterized in that the steering conveyor line comprises two rotating tables (600) and a second conveyor line (700) arranged between the two rotating tables (600), the two rotating tables (600) being respectively engaged with the first double speed chain (100) and the second double speed chain (200).

3. The production line for assembling the range hood according to claim 2, wherein the second conveying line (700) comprises a conveying rack (710), a first lifting mechanism (720) and a first roller way (730), and the first lifting mechanism (720) is installed on the conveying rack (710) and used for driving the first roller way (730) to lift.

4. The production line for assembling the range hood according to claim 3, wherein the rotating machine (600) comprises a rotating frame (610), a rotating mechanism (620) and a second roller way (630), wherein the rotating mechanism (620) is mounted on the rotating frame (610) and is used for driving the second roller way (630) to rotate, so that the second roller way (630) can be butted with the first double-speed chain (100) or the first roller way (730).

5. The production line for assembling the range hood according to claim 1, wherein a third roller way (210) and a second lifting mechanism are arranged at one end of the second speed doubling chain (200) connected with the plate lifting machine (300), and the second lifting mechanism can drive the third roller way (210) to ascend and support the tooling plate (900);

the plate lifting machine (300) comprises a plate lifting frame (310), a fourth roller way (320) and a third lifting mechanism, wherein the third lifting mechanism is installed on the plate lifting frame (310) and used for driving the fourth roller way (320) to lift, so that the fourth roller way (320) can be in butt joint with the third roller way (210) or can be in butt joint with the first conveying line (400).

6. The production line for assembling the range hood according to claim 5, wherein the plate lowering lifter (500) comprises a plate lowering lifter frame (510), a fifth roller way (520), a belt conveyor line (530) and a fourth lifting mechanism (540), the belt conveyor line (530) is in butt joint with the first double-speed chain (100), the fifth roller way (520) is provided with an opening for the belt conveyor line (530) to pass through, and the fourth lifting mechanism (540) is installed on the plate lowering lifter frame (510) and used for driving the fifth roller way (520) to lift so that the belt conveyor line (530) passes through the opening and supports the tooling plate (900), or enables the fifth roller way (520) to be in butt joint with the first conveyor line (400).

7. A production line for assembly of range hoods according to claim 6, characterized in that the third and fourth lifting mechanisms (540) each comprise a rodless cylinder.

8. The production line for assembling the range hood according to any one of claims 1 to 7, wherein a plurality of stoppers (110) for stopping the tooling plates (900) are arranged at intervals along the length direction of the first speed doubling chain (100) and the second speed doubling chain (200), the stoppers (110) divide the first speed doubling chain (100) and the second speed doubling chain (200) into a plurality of stations, and two tooling plates (900) are arranged on each station.

9. The production line for assembly of kitchen ventilators according to claim 8, characterized in that said blocker (110) comprises a blocking cylinder, the inner sides of said first and second double speed chains (100, 200) being provided with electric control buttons for controlling the raising or lowering of said blocking cylinder.

10. The production line for assembling the range hood according to claim 9, wherein a material trolley (800) is arranged on the outer side of the first speed doubling chain (100) and the second speed doubling chain (200), the material trolley (800) comprises a feeding track (810) positioned on an upper layer and a return track (820) positioned on a lower layer, the feeding track (810) is obliquely arranged, the lower end of the feeding track is positioned above the first speed doubling chain (100) and the second speed doubling chain (200), and the return track (820) is obliquely arranged, and the upper end of the return track is positioned below the first speed doubling chain (100) and the second speed doubling chain (200).