CN208427878U - A kind of double-station lifting device and welding system - Google Patents

Abstract

The utility model discloses a kind of double-station lifting device and welding systems, the lifting device includes lifting device frame, lifting device power mechanism, balance weight mechanism, conveyor pallet structure, the lifting device power mechanism is set to lifting device framework upper, the balance weight mechanism is set to inside lifting device frame left, and the conveyor pallet structure is set to inside lifting device frame right.When the utility model uses, pallet is placed on conveyor pallet structure, conveyor pallet structure is under the drive of lifting device power mechanism, it is moved up and down on lifting device frame, it is converted between two stations, and conveyor pallet structure can realize automatic charging and blanking, reduces labor intensity, improves welding efficiency, product quality is improved, industrially promotion and application are convenient for.

Description

A kind of double-station lifting device and welding system

Technical field

The utility model relates to automobile interior decoration technical field of processing equipment, more particularly to a kind of double-station lifting device with And welding system.

Background technique

Automobile door plate is one of important component of automobile.Car door back veneer includes multiple made of plastics or fibrous material Components, when production, need to be by each components welding assemblies on door back veneer.In order to promote welding efficiency, reduction labor intensity, mention High processing quality, this application provides a kind of double-station lifting devices for welding system, automate flowing water metaplasia to meet The use demand of production.

Utility model content

For above-mentioned problems of the prior art, the purpose of the utility model is to provide a kind of high degree of automation, High production efficiency, properties of product and qualification rate are high, input cost low a kind of double-station lifting device and welding system.

To realize the purpose of this utility model, the utility model provides a kind of double-station lifting device, the promotion dress It sets including lifting device frame, lifting device power mechanism, balance weight mechanism, conveyor pallet structure, the lifting device engine Structure is set to lifting device framework upper, and the balance weight mechanism is set to inside lifting device frame left, the pallet conveying Mechanism is set to inside lifting device frame right.

Correspondingly, the utility model additionally provides a kind of welding system, and above-mentioned double-station lifting device is applied to described In welding system.

Compared with prior art, the beneficial effects of the utility model are, when use, pallet is placed on pallet conveying In mechanism, conveyor pallet structure moves up and down on lifting device frame under the drive of lifting device power mechanism, at two It is converted between station, and conveyor pallet structure can realize the automatic transmission of pallet, reduces labor intensity, improves welding Efficiency improves product quality, is convenient for industrially promotion and application.

Detailed description of the invention

Fig. 1 show the first schematic diagram of structure of the lifting device of the embodiment of the present application；

Fig. 2 show the second schematic diagram of structure of the lifting device of the embodiment of the present application；

Fig. 3 show the structure third schematic diagram of the lifting device of the embodiment of the present application；

Fig. 4 show the 4th schematic diagram of structure of the lifting device of the embodiment of the present application；

Fig. 5 show the overall structure diagram of the welding system of the embodiment of the present application；

Fig. 6 show the first schematic diagram of structure of the conveying mechanism of the welding system of the embodiment of the present application；

Fig. 7 show the second schematic diagram of structure of the conveying mechanism of the welding system of the embodiment of the present application；

Fig. 8 show the structure third schematic diagram of the conveying mechanism of the welding system of the embodiment of the present application；

Fig. 9 show the 4th schematic diagram of structure of the conveying mechanism of the welding system of the embodiment of the present application；

Figure 10 show the structural schematic diagram of the robot carrying mechanism of the welding system of the embodiment of the present application；

Figure 11 show the structural schematic diagram of the 3-D storehouse of the welding system of the embodiment of the present application；

Figure 12 show the first schematic diagram of structure of the pallet of the welding system of the embodiment of the present application；

Figure 13 show the second schematic diagram of structure of the pallet of the welding system of the embodiment of the present application；

Figure 14 show the structure third schematic diagram of the pallet of the welding system of the embodiment of the present application；

Figure 15 show the 4th schematic diagram of structure of the pallet of the welding system of the embodiment of the present application；

In figure, 1 lifting device, 1-1 lifting device frame, 1-2 lifting device power mechanism, 1-21 promotion motor, 1-22 Connecting plate for electric motor, 1-23 promote motor sprocket, and 1-24 promotes driven sprocket, and 1-25 promotes axis, 1-26 lifting sprocket, and 1-27 is stood Formula bearing block, 1-28 connecting screw, 1-3 balance weight mechanism, 1-31 counter-balanced carriage, 1-32 clump weight, 1-33 guide wheel assemblies, 1-34 Directive wheel, 1-35, which matches, to be redirected, 1-4 conveyor pallet structure, 1-41 tray rack, 1-42 lifting device sliding rail 1-43 lifting device Sliding block, 1-44 lifting device slider connecting plate, 1-45 conveying cylinder, 1-46 conveying cylinder gear, 1-47 cylinder support plate, 1- 48 transport motors, 1-49 transport motor gear, 2 conveying mechanisms, 2-1 convey wire frame, 2-2 railway line, and 2-3 second slows down electricity Machine, 2-4 sensor, 2-5 sliding rail, 2-6 buffer, 2-7 secondary positioner, 2-8 servo slide table, 2-81 movable block, 2-82 Positioning device, 2-83 servo motor, 2-84 servo motor gear, 2-85 servo motor mounting plate, 2-86 rack gear, 2-9 sliding rail bottom Plate, 2-10 sliding block, 2-11 movable block connecting plate, 3 welding robots, 4 put part station, 5 pickup stations, 6 3-D storehouses, 6-1 Pallet rack, 7 robot carrying mechanisms, 7-1 transfer robot, 7-2 transfer robot pedestal, 7-3 track, 7-4 robot Drive rack, the robotically-driven motor of 7-5,8 safe fences, 9 control mechanisms, 10 pallets, 10-1 upper cover plate, 10-2 bottom plate, 10- 21 first limit holes, the second limit hole of 10-22,10-3 hydraulic damping device, the pneumatic positioning pin of 10-31, the pneumatic positioning pin of 10-32 Bracket, 10-33 locating piece, 10-34 hydraulic bjuffer, 10-35 adjustment bolt, 10-36 cushion block, 10-4 upper cover plate turnover device, 10-41 tumble cylinder, 10-42 tumble cylinder link block, 10-43 tumble cylinder attachment base, 10-44 torsion shaft, 10-45 torsion shaft Bracket.

Specific embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.

It should be noted that " connection " described herein and the word for expressing " connection ", as " being connected ", " connected " etc. had both included that a certain component is directly connected to another component, and had also included that a certain component passes through other component and another portion Part is connected.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also be intended to include plural form, additionally, it should be understood that, when in the present specification using belong to "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, component or module, component and/or their combination.

For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ", " ... upper surface ", " above " etc., for describing such as a component shown in the figure or module or feature and other The spatial relation of component or module or feature.It should be understood that spatially relative term be intended to comprising in addition to component or Different direction in use or operation except orientation of person's module described in figure.For example, if component in attached drawing Perhaps module is squeezed, be described as " above other component or module or construction " or " in other component or module or On construction " component or module after will be positioned as " below other component or module or construction " or " at other Under component or module or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The component or module can also be positioned with other different modes (to be rotated by 90 ° or in other Orientation), and respective explanations are made to the opposite description in space used herein above.

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.

Embodiment 1

As shown in Figs 1-4, the lifting device 1 in the present embodiment includes lifting device frame 1-1, lifting device power mechanism 1-2, balance weight mechanism 1-3, conveyor pallet structure 1-4, the lifting device power mechanism 1-2 are set to lifting device frame 1-1 Top, the balance weight mechanism 1-3 are set to inside on the left of lifting device frame 1-1, and the conveyor pallet structure 1-4, which is set to, to be mentioned It rises internal on the right side of device frame 1-1.

Wherein, the lifting device power mechanism 1-2 includes promoting motor 1-21 and promotion axis 1-25, the promotion motor 1-21 is fixedly connected by connecting plate for electric motor 1-22 with lifting device frame 1-1, and the promotion axis 1-25 passes through vertical bearing seat 1-27 is linked with lifting device frame 1-1, is connected on the promotion motor 1-21 and is promoted motor sprocket 1-23, and motor train is promoted Wheel 1-23 is connected by transmission chain with driven sprocket 1-24 is promoted, and is promoted driven sprocket 1-24 and is set on promotion axis 1-25, mentions The two sides lifting shaft 1-25 are respectively arranged with lifting sprocket 1-26, lifting sprocket 1-26 by transmission chain respectively with balance weight mechanism 1-3 and Conveyor pallet structure 1-4 is fixedly connected.

Wherein, the balance weight mechanism 1-3 includes counter-balanced carriage 1-31, and clump weight 1-32 is provided in the counter-balanced carriage, described The two sides counter-balanced carriage 1-31 are provided with directive wheel 1-34 by guide wheel assemblies 1-33, are provided on the lifting device frame 1-1 With directive wheel be used cooperatively with being redirected 1-35.

Wherein, it is provided with connecting screw 1-28 on the counter-balanced carriage 1-31, transmission chain tune one end on lifting sprocket 1-26 It is connect with the connecting screw 1-28 on counter-balanced carriage 1-31.

Wherein, the conveyor pallet structure 1-4 includes tray rack 1-41 and conveying cylinder 1-45, tray rack 1-41 and cunning Block connecting plate 1-44 is fixedly connected, and sliding block 1-43, the sliding block 1-43 and lifting device frame 1-1 are provided on slider connecting plate On lifting device sliding rail 1-42 be used in combination the up and down motion for realizing tray rack 1-41, be provided with cylinder support on tray rack Plate 1-47, conveying cylinder 1-45 are fixedly connected with cylinder support plate 1-47 axis hole, are arranged in the conveying cylinder 1-45 two end axles There are conveying cylinder gear 1-46, adjacent conveyor drum gear 1-46 to link by driving chain, the lower end the tray rack 1-41 is set It is equipped with transport motor 1-48, transport motor gear 1-49, the transport motor gear are provided on the transport motor 1-48 axis 1-49 is linked by driving chain with drum gear 1-46, and motor shaft rotation drives conveying cylinder 1-45 rotation.

Wherein, the side the lifting device sliding rail 1-42 both ends are respectively arranged with range sensor, for detecting tray rack Situation, the tray rack lower end is provided with sensor, has pallet-free on tray rack for detecting.

Embodiment 2

As shown in figure 5, the application lifting device is applied in welding system, welding system includes welding production line, solid Repository 6 and robot carrying mechanism 7, safe fence 8, the robot carrying mechanism 7 are located at 3-D storehouse 6 and welding life Between producing line, the welding production line, 3-D storehouse 6, robot carrying mechanism 7 are located in safe fence 8；The welding life Producing line is for welding relay part to be welded；The robot carrying mechanism 7 is for replacing pallet；The safe fence is for ensureing fortune Capable safety；The 3-D storehouse 6 is used for storage trays.

In the utility model embodiment, the welding production line includes the identical lifting device 1 of two structures and one Conveying mechanism, the pallet 10 for placing relay part to be welded, the lifting device 1 are located at the both ends of conveying mechanism, the pallet It is moved in the case where lifting device and conveying mechanism drive.

Wherein, as Figure 6-9, the conveying mechanism includes conveying wire frame 2-1, upper layer pipeline and lower layer's conveying Line, upper layer pipeline and lower layer's pipeline are arranged in parallel on conveying wire frame 2-1, by upper layer pipeline by relay part to be welded It is moved to feeding side from feeding side, and in moving process, is welded；Lower layer's pipeline is by pallet from feeding one Side is moved to feeding side.

Wherein, upper layer pipeline two sides are roller line 2-2 structure, and centre is servo slide table structure for conveying, the roller Diatom 2-2 structure includes being arranged at intervals on multiple rotating rollers, pallet in same level to be placed in the rotating roller of two sides, In, the multiple rotating roller is followed successively by power line segment, unpowered line segment and power line segment, institute from feeding side to feeding side Stating power line segment includes the first reducing motors being arranged on conveying wire frame 2-1, and first reducing motors pass through chain drive position It is rotate in same direction in multiple rotating rollers of power line segment, the servo slide table structure for conveying includes horizontally-parallel being arranged at intervals on conveying It is slidably connected on two sliding rail 2-5, servo slide table 2-8 and sliding rail 2-5 on wire frame 2-1, is moved left and right on sliding rail 2-5, The servo slide table 2-8 includes movable block 2-81, positioning device 2-82 and servo motor 2-83, servo motor gear 2-84, watches Take motor mounting plate 2-85, the lower end rack gear 2-86, the movable block 2-81 is provided with sliding block 2-10, the sliding block 2-10 and sliding rail 2-5 is slidably connected, and the positioning device 2-82 being used in combination with the pallet is provided on the movable block 2-81, by described Positioning device 2-82 limits the pallet, to drive the pallet mobile, the movable block 2-81 is spacing side by side setting It is multiple, multiple movable block 2-81 are both connected on movable block connecting plate 2-11, and servo motor 2-83 passes through servo motor Mounting plate 2-85 is mounted on the conveying wire frame 2-1, and the lower end at least one movable block 2-81 is connected with rack gear 2-86, described Servo motor gear 2-84, the servo motor gear 2-84 and the rack gear are connected on the output shaft of servo motor 2-83 2-86 is used in combination, the servo motor 2-83 band forward and reverse rotation of moving gear 2-84, to drive the rack gear 2-86 left It moves right, and then drives all movable block 2-81 synchronizing movings, lower layer's pipeline two sides are roller line 2-2 structure, described Roller line 2-2 structure includes for being arranged at intervals on multiple rotating rollers in same level and being arranged on conveying wire frame 2-1 Two decelerating motor 2-3, pallet are placed in the rotating roller of two sides, and the second reducing motors 2-3 is located at more by chain drive A rotating roller rotates in same direction, to drive pallet mobile.

Wherein, the positioning device 2-82 is the first cylinder being disposed longitudinally on the lower end surface movable block 2-81, the first gas Cylinder piston rod is on movable block 2-81, the pallet, position corresponding with first cylinder piston rod is provided with first Limit hole 10-21, the first limit hole 10-21 are used in combination with first cylinder piston rod, and first cylinder is living Stopper rod, which slides into, forms limit in the first limit hole 10-21.

Wherein, first cylinder is two, and correspondingly, the first limit hole 10-21 is two.

Wherein, the quantity of the movable block 2-81 is configured according to the quantity of welding post.

Wherein, what is matched on conveying wire frame 2-1 with the position of welding post is provided with secondary positioner 2-7, The secondary positioner 2-7 is the second longitudinally disposed cylinder, on the pallet, position corresponding with the second cylinder piston rod It installs and is equipped with the second limit hole 10-22, the second limit hole 10-22 is used in combination with second cylinder piston rod, institute It states the second cylinder piston rod and slides into formation limit in the second limit hole 10-22, so that realization determines pallet in welding Position.

Wherein, the two sides the conveying wire frame 2-1, welding robot, the weldering are correspondingly provided with welding post Welding robot is for welding the relay part to be welded on welding post.

Wherein, what is matched on conveying wire frame 2-1 with the position of welding post is provided with for delaying to pallet The buffer 2-6 of punching.

Wherein, it is provided with to what the position of welding post matched for detecting corresponding station on conveying wire frame 2-1 Whether the sensor 2-4 of pallet is placed with.

Wherein, the sliding rail 2-5 is connected by sliding rail bottom plate 2-9 with conveying wire frame 2-1.

Working principle: pallet will be to be welded by employee after part station is put in arrival automatically into upper layer pipeline by elevator The product of practicing midwifery are put into the mould of pallet, and after employee's end of operation, employee exits working region, are pressed and are executed switch, system detection To the first welding post pallet-free, starting the positioning device of first movement block, piston rod passes through the first limit hole and is positioned, and Pallet is driven to enter the first welding post, secondary positioner positions the pallet, and the piston rod of positioning device is limited from first Hole is drawn back, and movable block reset driven by servo motor, the welding robot of the station is welded, after the completion of welding, the The positioning device piston rod of two movable blocks pass through the first limit hole positioned, and drive pallet enter the second welding post, two Secondary positioning device positions the pallet, and the piston rod of positioning device is drawn back from the first limit hole, band of the movable block in servo motor Dynamic lower reset, the welding robot of the station is welded, and after the completion of welding, above-mentioned work is successively carried out, until successively in institute There is station to complete welding, pallet is sent into pickup station by the rotating roller of power line segment, takes out welding fabrication by employee Product is pressed finally, employee exits operating area and executes switch, and pallet is sent in elevator by rotating roller, on elevator Conveyor pallet structure drops to the position of lower layer's pipeline, pallet is sent into lower layer's pipeline automatically, using rotating roller, by pallet It is sent into the other side of lower layer's pipeline, then, is sent into the elevator of feeding side by the rotating roller of power line segment, on elevator Conveyor pallet structure rise to the position of upper layer pipeline, pallet is sent into upper layer pipeline automatically, is so recycled.

Embodiment 3

On the basis of the above embodiments, in the utility model embodiment, as shown in Figure 10, the robot carrying mechanism It 7 include transfer robot 7-1, transfer robot pedestal 7-2 and track 7-3, robotically-driven rack gear 7-4, robotically-driven Motor 7-5, the transfer robot 7-1 are slidably connected by transfer robot pedestal 7-2 and track 7-3, and the robot drives Carry-over bar 7-4 is horizontally installed on track 7-3, and the robotically-driven motor 7-5 is mounted on transfer robot 7-1, described The gear being used in combination with the robotically-driven rack gear 7-4 is installed in the drive shaft of robotically-driven motor 7-5, is passed through With the relative movement of the robotically-driven rack gear 7-4, the transfer robot 7-1 is driven to move on track 7-3.

Embodiment 4

On the basis of the above embodiments, in the utility model embodiment, as shown in figure 11, the 3-D storehouse 6 Including the identical pallet storing frame 6-1 of multiple structures placed side by side, it is provided on the pallet storing frame 6-1 frame corresponding Identification coding, corresponding pallet are put into corresponding identification coding region.

Embodiment 5

On the basis of the above embodiments, in the utility model embodiment, as shown in figs. 12-15, pallet 10 includes upper The first limit hole 10-21 and the second limit hole 10-22, upper cover plate are set on cover board 10-1, bottom plate 10-2, the bottom plate 10-2 10-1, bottom plate 10-2 one end by overturning bracing strut 10-45 and torsion shaft 10-44 articulated connection, upper cover plate 10-1, bottom plate It is additionally provided with upper cover plate turnover device 10-4 between 10-2, upper cover plate turnover device 10-4 includes that tumble cylinder 10-41, setting exist Tumble cylinder link block 10-42 on upper cover plate 10-1, the tumble cylinder attachment base 10-43 being arranged on bottom plate 10-2, upper cover Relay part to be welded is placed between plate 10-1, bottom plate 10-2, and hydraulic cushion dress is additionally provided between upper cover plate 10-1, bottom plate 10-2 Set 10-3, hydraulic damping device 10-3 includes, pneumatic locating pin bracket 10-32 and locating piece 10-33, hydraulic bjuffer 10- 34, adjustment bolt 10-35, cushion block 10-36, the pneumatic positioning pin 10-31 are connected on the piston rod of cylinder, and cylinder is connected to Pneumatic locating pin bracket 10-32, locating piece 10-33, which is connected on upper cover plate 10-1, is arranged location hole, passes through pneumatic positioning pin 10- 31 and location hole match, upper cover plate 10-1, bottom plate 10-2 are locked, in addition, being provided with cushion block 10- on bottom plate 10-2 It is provided with hydraulic bjuffer 10-34 on 36, the cushion block 10-36, adjustment bolt 10-35 is additionally provided with, for adjusting upper cover plate The distance between 10-1, bottom plate 10-2.

In other preferred embodiments, the safe fence can use safe fence, surround square structure for other portions Part fences up, and to improve safety, and can be respectively provided with echelette in the infall on the every two side of the upper end of square structure Release mechanism, and alarm lamp is set on safe fence, when someone crosses by force or has article to enter within the scope of echelette When, triggering alarm lamp alarm.

It should be noted that the utility model includes a kind of multiplexing station ultrasonic wave flexible welding equipment, it include to place to produce The three-dimensional storage shelf of product pallet, high speed transfer robot put part section for place workpiece to be welded, and head end is connected with part section is put For replacing the lifting device of product tray, and 15 welding robots and other end pickup section tail end for welding workpiece The lifting device being connected for replacing product tray.Welding pipeline is divided into upper layer and lower layer, and upper layer two sides are roller line form, in Between conveyed for servo slide table, lower layer is roller line form, and welding post is 5, and each station is arranged 3 welding robots, two Respectively there is an artificial operation position in side.

Conveying mechanism includes the power line segment in left side, intermediate unpowered line segment, the power line segment on right side, wherein put part The unpowered line segment in left side is arranged in station, and the unpowered line segment on right side is arranged in pickup station, and intermediate power line segment is successively Multiple welding posts are set, and multiple welding posts are used cooperatively, and complete whole welding.Upper layer pipeline two sides respectively have 1.5 meters of power line segments.

Seven axis robots can be used in the transfer robot of the robot carrying mechanism, and 3-D storehouse is that a placement produces The three-dimensional storage shelf of product pallet, including multiple pallet storing frame 6-1 placed side by side, pallet is placed on pallet storing frame, And each pallet placement location band identification coding, product tray is replaced automatically by seven axis robots, 300 kilograms of robot load-bearing, Working range 3150mm, robot end are equipped with pallet handgrip, and sound construction is stable, and sliding is accurate.Transfer robot Power control cabinet manipulation.

Part station is put using manually taking out relay part to be welded from line side prepackage group, is placed on on the pallet of position, through people Enter welding post through upper layer pipeline after work confirmation.Welding post is placed in upper layer pipeline, and 5 Product jointing works are arranged altogether Position, can weld 5 welding workpieces simultaneously, and each welding post is provided with 3 six-joint robots, and totally 15, each welding post Buffer is set, and has secondary positioning mechanism.Three welding robots are arranged in each welding post, and each product tray has The identification of RFID technique encodes, the welding robot can identification coding on automatic identification product tray, automatically select welding Program adapts to different workpiece to be welded.

It is therein, the double-deck pipeline, upper layer pipeline have for place relay part to be welded put part section, with put part section tail end It is connected and the welding section for being welded to workpiece and is connected to the pickup section of welding section tail end and lower layer's pipeline passes through head Two lifting devices are arranged to form the pipeline of cyclic annular transmission section in tail.Soldered workpiece manually takes in pickup station Out, pallet enters the lifting device that lower layer's pipeline returns to left side by the lifting device of tail portion side, reenters to welder It awaits orders position.

The course of work:

Before welding, by transfer robot according to instruction, product tray, 300 kilograms of the robot load-bearing, working range are replaced 3150mm, 7 axis high speed transfer robots, end are furnished with pallet handgrip, and gripping structure is secured, stable, and sliding is accurate, pallet Having a size of 1300*1000*260mm, weight is 150 kilograms, after going out storage or in the production line robot identification convenient for pallet, Welding procedure is replaced, bottom plate is made of Q235, and upper cover plate makes using 7075, corresponding position peace on each product tray assembly The radio frequency identification coding based on RFID technique is filled, after going out storage or in the production line robot identification convenient for pallet, replacement weldering Connect program.

Product tray is placed on the lifting device of part station side by the robot, in order to promote the speed of service, is adopted It is driven with the speed reducer of strap brake function, corresponding clump weight is set.Product tray is promoted to upper layer pipeline by lifting device, is produced Product pallet, which is transported to, puts part station, and manually welded workpiece is placed in product tray.It is artificial to pick and place part station, setting one Gas source plug-in connection is covered, thus to the secondary positioning of pallet, convenient for the folding of pallet upper cover plate.

First successively product tray is replaced to part station is put, if this can be saved by not needing to change product tray by transfer robot Step has pallet using welding post.

Manually welded workpiece is put in placing member work station product pallet, closes upper cover plate, confirms errorless rear starting conveying Line, workpiece to be welded enter welding post, buffer and secondary positioning mechanism location tray by each station, welding robot It identifies radio frequency encoding, starts welding procedure.Second product tray is returned by welding section tail end lifting device from lower layer's pipeline Welding ends head end lifting device is returned, pallet is transported to by lifting device puts part station, and worker places second workpiece to be welded, at this time The first welding sequence is completed in first workpiece to be welded, is delivered to the second welding sequence, and second workpiece to be welded enters the first weldering Process is connect, this step is successively carried out.

After the completion of five welding sequences, worker takes out finished product from pickup station, waits next finished product.The production that will be vacated Product pallet is sent into lifting device.

The above is only the preferred embodiment of the utility model, it is noted that for the general of the art For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into retouching.

Claims (7)

1. a kind of double-station lifting device, which is characterized in that the lifting device (1) includes lifting device frame (1-1), promoted Device power mechanism (1-2), balance weight mechanism (1-3), conveyor pallet structure (1-4), the lifting device power mechanism (1-2) set It is placed in the top lifting device frame (1-1), the balance weight mechanism (1-3) is set to internal on the left of lifting device frame (1-1), institute It states conveyor pallet structure (1-4) and is set to inside on the right side of lifting device frame (1-1).

2. double-station lifting device according to claim 1, which is characterized in that the lifting device power mechanism (1-2) Including promoting motor (1-21) and promoting axis (1-25), the promotion motor (1-21) is by connecting plate for electric motor (1-22) and is promoted Device frame (1-1) is fixedly connected, and the promotion axis (1-25) passes through vertical bearing seat (1-27) and lifting device frame (1-1) It links, is connected on the promotion motor (1-21) and promotes motor sprocket (1-23), promote motor sprocket (1-23) and pass through transmission Chain is connected with driven sprocket (1-24) is promoted, and promotes driven sprocket (1-24) and is set in promotion axis (1-25), promotes axis (1- 25) two sides are respectively arranged with lifting sprocket (1-26), lifting sprocket (1-26) by transmission chain respectively with balance weight mechanism (1-3) and Conveyor pallet structure (1-4) is fixedly connected.

3. double-station lifting device according to claim 1, which is characterized in that the balance weight mechanism (1-3) includes counterweight Frame (1-31) is provided with clump weight (1-32) in the counter-balanced carriage, and the counter-balanced carriage two sides (1-31) pass through guide wheel assemblies (1- 33) be provided with directive wheel (1-34), be provided on the lifting device frame (1-1) with directive wheel be used cooperatively with being redirected (1-35)。

4. double-station lifting device according to claim 3, which is characterized in that the company of being provided on the counter-balanced carriage (1-31) It connects screw rod (1-28), transmission chain tune one end in lifting sprocket (1-26) and the connecting screw (1-28) on counter-balanced carriage (1-31) are even It connects.

5. double-station lifting device according to claim 1, which is characterized in that the conveyor pallet structure (1-4) includes Tray rack (1-41) and conveying cylinder (1-45), tray rack (1-41) are fixedly connected with slider connecting plate (1-44), sliding block connection It is provided on plate sliding block (1-43), the lifting device sliding rail (1-42) on the sliding block (1-43) and lifting device frame (1-1) It is used in combination the up and down motion for realizing tray rack (1-41), is provided with cylinder support plate (1-47), conveying cylinder on tray rack (1-45) is fixedly connected with cylinder support plate (1-47) axis hole, is provided with conveying cylinder in conveying cylinder (1-45) two end axles Gear (1-46), adjacent conveyor drum gear (1-46) are linked by driving chain, and tray rack (1-41) lower end is provided with Transport motor (1-48) is provided with transport motor gear (1-49) on transport motor (1-48) axis, the transport motor tooth Wheel (1-49) is linked by driving chain with drum gear (1-46), and motor shaft rotation drives conveying cylinder (1-45) rotation.

6. double-station lifting device according to claim 5, which is characterized in that lifting device sliding rail (1-42) side Both ends are respectively arranged with range sensor, and for detecting the situation of tray rack, the tray rack lower end is provided with sensor, There is pallet-free on tray rack for detecting.

7. a kind of welding system, which is characterized in that double-station lifting device as described in claim 1 is applied to the welding In system.