CN210915122U

CN210915122U - Lifting device for production line

Info

Publication number: CN210915122U
Application number: CN201921661792.1U
Authority: CN
Inventors: 文森涛; 徐少林
Original assignee: Chongqing De Enpu Robot Co ltd
Current assignee: Chongqing De Enpu Robot Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-03
Anticipated expiration: 2029-09-30

Abstract

In order to improve the structure of the existing lifting machine, the utility model provides a lifting device for a production line, which comprises a basic underframe and a vertical frame which is arranged perpendicular to the basic underframe, wherein a cylinder body is also arranged in the vertical frame and comprises a cylinder seat and a piston rod; the conveying table is connected with the vertical frame in a sliding manner; the tail end of the piston rod is provided with a connecting arm, and chain wheels are arranged at two ends of the connecting arm; the conveying device is characterized by further comprising two transmission chains, wherein the transmission chains are located on two sides of the air cylinder seat and matched with the chain wheel, one end of each transmission chain is fixedly connected with the base underframe, and the other end of each transmission chain bypasses the chain wheel and is fixedly connected with the conveying table. This application has constituted lifting machine device through basic frame, vertical frame, conveying platform, cylinder block and drive chain etc. simple structure to connect reliably, set up two stands and two chains simultaneously, ensure conveying platform lifting performance stable.

Description

Lifting device for production line

Technical Field

The utility model relates to production line equipment technical field, concretely relates to a hoisting device for production line.

Background

The elevator is also called as a lifter, is widely applied in an assembly line transportation machine, and mainly has the function of conveying materials at a low position to a high position or a first-choice device for conveying the materials out; as for the elevator, the most central one is to improve the lifting performance, chinese patent document 201610522770.1 discloses a lifting machine, which is driven by hydraulic pressure, and includes a frame body and a lifting system, wherein the lifting system includes a lifting frame, a left arm, a right arm, a connecting pipe and a lifting frame, and the whole structure is complex; also as the guide rail type hoister 201520615077.X, the lifting table top is arranged in the upright post, which causes the installation of the whole lifting structure and other equipment of the production line to be inconsistent; therefore, it is an urgent need to solve the problem of providing a hoist with stable lifting performance and simple structure.

SUMMERY OF THE UTILITY MODEL

In order to improve present machine structure of lifting, the utility model provides a hoisting device for production line, its simple structure, the lifting performance is stable.

The utility model provides a technical scheme is: a lifting device for a production line comprises a base underframe and a vertical frame which is arranged perpendicular to the base underframe, wherein a cylinder body is also arranged in the vertical frame, the cylinder body comprises a cylinder seat and a piston rod, the cylinder seat is fixedly connected with the base underframe, and the telescopic direction of the piston rod corresponds to that of the vertical frame; the conveying table is of a frame structure and is in sliding connection with the vertical frame; the tail end of the piston rod is provided with a connecting arm, and chain wheels are arranged at two ends of the connecting arm; the transmission chain is positioned on two sides of the cylinder block and matched with the chain wheel, one end of the transmission chain is fixedly connected with the basic underframe, and the other end of the transmission chain bypasses the chain wheel and is fixedly connected with the conveying table.

In the concrete use of the device, the base underframe and the vertical frame are welded by adopting the steel pipes in the directions or welded by adopting the steel pipes in other shapes, wherein the base underframe is used as a base component of the whole device and can be welded into a grid-shaped or grid-shaped steel frame, so that the structure strength is high, and the bearing weight is large; the vertical frame is in a door-shaped structure and comprises two parallel stand columns, a cross beam is connected above the two stand columns in a welding or other mode, the bottoms of the stand columns are welded with the basic frame, the stand columns serve as guide devices in the application, and slide rails are arranged on the same sides of the two stand columns and used for guiding the conveying table to ascend or descend; a cylinder block is arranged between the two upright posts, wherein the cylinder block can be selected from cylinders known in the art, such as MDBB50-180Z, and comprises a cylinder seat and a piston rod, the cylinder seat can be directly and fixedly connected with a base underframe through welding, bolts and the like, and a cushion block can be arranged below the cylinder seat according to the height requirement, wherein one end of the cushion block is fixedly connected with the base frame, the other end of the cushion block is connected with the cylinder seat, and the shape of the cushion block is matched with that of the cylinder seat; the piston rod can move up and down in the cylinder seat, wherein the moving direction of the piston rod corresponds to the vertical frame, namely the moving direction of the piston rod is parallel to the mounting direction of the upright post, the tail end of the piston rod, namely the top of the piston rod, is fixedly connected with a connecting arm, wherein the connecting arm can be a round steel pipe or round steel, two ends of the connecting arm are rotatably connected with chain wheels through bearings, or rotatably connected with ratchet wheels, and the two chain wheels or the ratchet wheels are symmetrical about the piston rod; the conveying table can also be of a frame structure and is formed by welding a plurality of steel pipes or angle steels or steel plates, for example, a cuboid or other-shaped framework can be formed by welding the steel pipes, two angle steels are welded above the framework, a steel plate is welded between the two angle steels, a driving wheel is further arranged above the steel plate and between the two angle steels, and the size of the driving wheel is matched with that of the driving wheel at other places in the production line; the material bearing platform formed by the angle steel, the steel plate and the driving wheel can be lapped with other parts of the production line, and the structure is not a protection key point of the application, in the application, the structure of the material bearing platform can select other structures well known by technical personnel in the field, and the framework of the conveying platform is also welded with two guide grooves, wherein the guide grooves can select channel steel, the positions and the sizes of the two guide grooves are matched with the slide rails on the upright posts, and the guide grooves are buckled on the slide rails and can move up and down along the slide rails; the transmission chain can also be selected from transmission chains known to those skilled in the art in the application, such as a TK-9 type transmission chain made of 304 material, one end of the transmission chain is connected with the base chassis through welding or a bolt structure, the transmission chain is matched with the chain wheel, and the other end of the transmission chain is connected with the framework of the conveying table through welding or a bolt structure; above is the concrete structure of this application device, and in use provides power to the cylinder block through inserting external atmospheric pressure return circuit or hydraulic circuit, and the drive piston rod reciprocates, drives the sprocket by the piston rod and reciprocates, because drive chain's one end and basic frame are fixed, so when the sprocket reciprocates, drive chain can drive the conveying platform and reciprocate, reaches the effect of machine of lifting.

Compared with the prior art, the lifting machine device is formed by the base frame, the vertical frame, the conveying table, the cylinder body, the transmission chains and the like, is simple in structure and reliable in connection, and ensures stable lifting performance of the conveying table due to the arrangement of the two stand columns and the two chains; and the conveying platform is located the homonymy of two stands, is convenient for conveying platform and other structural connection in the production line, and application scope is wide.

Drawings

FIG. 1 is a schematic view of a first viewing angle of a lifting device for a production line according to the present invention;

FIG. 2 is a schematic view of a second viewing angle of the lifting device for a production line of the present invention;

FIG. 3 is a schematic view of a second viewing angle of the lifting device for a production line of the present invention;

FIG. 4 is a schematic view of a part of a lifting device for a production line according to the present invention;

FIG. 5 is a schematic view of an adjusting foot rest of the lifting device for the production line of the present invention;

in the figure: the device comprises a base underframe 1, a vertical frame 2, a column 201, a limiting device 202, a 2021 hydraulic buffer, a 2022 mechanical limiting rod, a 2023 proximity switch, a3 cylinder body, a 301 piston rod, a 302 connecting arm, a 303 guide post, a 4 conveying table, a 401 deep groove ball bearing, a 402 plugging bolt, a 5 transmission chain, a 6 reinforcing beam, a 7 adjusting foot rest, a 701 spherical cover, a 702 connecting plate and an 8 nylon strip.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, the relative terms "upper", "lower", "left", "right", "inner", "outer" and other position indication positions are only based on the position shown in the drawings to simplify the description of the present invention, but not the position and structure that the components must have, and thus, the limitation of the present invention cannot be understood.

In this embodiment, a lifting device for a production line includes a base chassis 1, a vertical frame 2 disposed perpendicular to the base chassis 1, and a cylinder block 3 disposed in the vertical frame 2, where the cylinder block 3 includes a cylinder block and a piston rod 301, the cylinder block is fixedly connected to the base chassis 1, and a telescopic direction of the piston rod 301 corresponds to the vertical frame 2; the conveying device also comprises a conveying table 4, wherein the conveying table 4 is of a frame structure and is in sliding connection with the vertical frame 2; the tail end of the piston rod 301 is provided with a connecting arm 302, and chain wheels are arranged at two ends of the connecting arm 302; the automatic conveying device is characterized by further comprising two transmission chains 5, wherein the transmission chains 5 are located on two sides of the cylinder block, the transmission chains 5 are matched with the chain wheel, one end of each transmission chain 5 is fixedly connected with the base underframe 1, and the other end of each transmission chain 5 bypasses the chain wheel and is fixedly connected with the conveying table 4.

Compared with the prior art, the lifting machine device is formed by the base frame, the vertical frame 2, the conveying table 4, the cylinder body 3, the transmission chains 5 and the like, is simple in structure and reliable in connection, and is provided with the two upright columns 201 and the two chains to ensure stable lifting performance of the conveying table 4; and conveying platform 4 is located the homonymy of two stands 201, is convenient for conveying platform 4 and other structural connection in the production line, and application scope is wide.

Furthermore, in the application, guide posts 303 are further arranged on two sides of the cylinder base, the tail ends of the guide posts 303 are connected with the connecting arm 302, in order to improve the ascending or descending stability of the conveying table 4, guide sleeves are arranged on two sides of the cylinder base, the guide sleeves are of a hollow revolving body structure, one end faces of the guide sleeves are fixedly connected with the cylinder base, the guide posts 303 are arranged in the guide sleeves, the guide posts 303 can slide up and down around the guide sleeves under the action of external force, one ends of the guide posts 303 are fixedly connected with the connecting arm 302 in a welding or other mode, and the guide posts 303 are driven to move up and down along the guide sleeves in the up-and-down movement of the connecting arm 302, so that the up-and-down movement stability of; in another embodiment of the present application, a linear bearing may be further disposed in the guide sleeve, and the linear bearing may be a commercially available product, and by disposing the linear bearing, the reliability of the up-and-down movement of the guide post 303 is increased, and the stability of the up-and-down movement of the conveying table 4 is further improved.

Furthermore, in the application, the top of the vertical frame 2 is provided with a limiting device 202, in order to improve the reliability of the whole device, the motion stroke of the cylinder block 3 is placed to exceed the range, the limiting device 202 is arranged at the cross beam at the top of the vertical frame 2, wherein the limiting device 202 can select a position sensor and is electrically connected with the assembly line control device, and the stroke of the piston rod 301 can trigger an alarm after reaching the limiting device 202, so that the safety of the whole device is improved; in another embodiment of the present application, the position-limiting device 202 includes an oil pressure buffer 2021, a mechanical limit rod 2022 and a proximity switch 2023, which are sequentially disposed, wherein the oil pressure buffer 2021, the mechanical limit rod 2022 and the proximity switch 2023 may all be selected from conventional components in the art, for example, the mechanical limit rod 2022 may be replaced by an adjusting screw, the oil pressure buffer 2021 may be selected from commercially available products such as AC2020-2, and the proximity switch 2023 may be selected from commercially available products such as LJ12a3-4-Z/EX, and the connection between the three and the cross beam may be selected from connection manners known to those skilled in the art; in the present application, the bottom of the hydraulic buffer 2021 is closest to the cylinder block, then the mechanical limit rod 2022 is arranged, and finally the proximity switch 2023 is arranged, wherein the bottom of the mechanical limit rod 2022 and the bottom of the proximity switch 2023 can be alternatively flush, and the proximity switch 2023 is electrically connected with the production line control device; through such setting, the piston rod is in the in-process that rises, if exceed the stroke, must first contact with oil buffer 2021, reduces its upgoing speed, and secondly spacing through mechanical stop device to send alarm signal through proximity switch 2023, so can effectively improve the security performance of whole device, improve its reliability of using.

Further, set up stiffening beam 6 between vertical frame 2 and the basic chassis 1 in this application, specifically in the side of two stands 201, be provided with stiffening beam 6 respectively, wherein stiffening beam 6 adopts steel pipe or channel-section steel or other shaped steel structures, and both ends are respectively in basic chassis 1 and the welding of vertical frame 2, improve overall structure's stability.

Further, conveying platform 4 is provided with the collector pipe in this application, specifically is to set up the collector pipe on the material plummer to the production ponding of discharge drive wheel below lets whole hoisting device clean, clean and tidy.

Further, in this application, the angle steel inboard of material plummer is provided with buffer, and its buffer can include nylon strip 8, through setting up buffer, has effectually alleviated the friction between material plummer in use material and the angle steel, improves overall structure's reliability.

Further, in order to improve other part docks in this application material plummer and the assembly line, in this application, the material plummer both ends are provided with guider, guider includes two deep groove ball bearing 401 and stopper and beats bolt 402, and wherein the stopper is beaten bolt 402 and is passed two deep groove ball bearing 401's inner circle to fix two deep groove ball bearing 401 at the tip of material plummer, so when the material gets into the material plummer from other parts of assembly line, can the butt joint reliably, avoid direct and material plummer collision, improve overall structure's reliability.

Further, the conveying platform framework can be of an inverted trapezoidal structure with a large upper part and a small lower part, so that a large space is provided below the material bearing platform, and the installation and debugging of operators are facilitated.

Further, in this application 1 below of basic chassis still is provided with adjustment foot rest 7, large-scale bolt structure among the optional prior art of adjustment foot rest 7, and basic chassis 1 places on the place through adjustment foot rest 7 to overall structure's installation and transport, wherein adjustment foot rest 7 can set up a plurality ofly, including three or more than three, so the hoisting device of this application does not have high expectations to basic ground, and the screw thread that specific difference in height accessible adjustment foot rest 7 closes the knot number soon and adjusts, improves the efficiency of construction, reduces construction cost. The adjusting foot rest 7 can also be provided with a spherical cover 701 at the bottom of the bolt so as to increase the contact area between the bottom of the bolt and the ground, and the spherical cover 701 has the effect of a sucker so as to further improve the stability of the whole device; in addition, a connecting plate 702 is arranged at the bottom of the spherical cover 701, and an opening is formed in the connecting plate 702 and can be connected with a foundation bolt in a foundation through the opening, so that the stability of the lifting device is further improved.

The foregoing is a preferred embodiment of the present invention, and it should be understood that those skilled in the art can derive the related technical solutions through logic analysis, reasoning or experiment based on the present invention without creative efforts, and therefore, these related technical solutions should be within the protection scope of the present claims.

Claims

1. The lifting device for the production line is characterized by comprising a base underframe (1) and a vertical frame (2) which is perpendicular to the base underframe (1), wherein a cylinder body (3) is further arranged in the vertical frame (2), the cylinder body (3) comprises a cylinder seat and a piston rod (301), the cylinder seat is fixedly connected with the base underframe (1), and the telescopic direction of the piston rod (301) corresponds to that of the vertical frame (2); the conveying device also comprises a conveying table (4), wherein the conveying table (4) is of a frame structure and is in sliding connection with the vertical frame (2); the tail end of the piston rod (301) is provided with a connecting arm (302), and chain wheels are arranged at two ends of the connecting arm (302); the cylinder seat is characterized by further comprising two transmission chains (5), wherein the transmission chains (5) are located on two sides of the cylinder seat, the transmission chains (5) are matched with the chain wheel, one end of each transmission chain (5) is fixedly connected with the base underframe (1), and the other end of each transmission chain (5) bypasses the chain wheel and is fixedly connected with the conveying table (4).

2. The lifting device according to claim 1, characterized in that guide posts (303) are further arranged on both sides of the cylinder block, and the ends of the guide posts (303) are connected with the connecting arm (302).

3. A lifting device according to claim 1, characterized in that the vertical frame (2) is provided with a stop device (202) on top, which comprises an oil buffer (2021), a mechanical stop lever (2022) and a proximity switch (2023).

4. A lifting device as claimed in claim 1, 2 or 3, characterized in that the transfer table (4) is provided with damping means.

5. A lifting device according to claim 1 or 2 or 3, characterized in that the transfer table (4) is provided with guiding means comprising deep groove ball bearings (401) and tuck bolts (402).

6. A lifting device according to claim 4, characterized in that the transfer table (4) is provided with guiding means comprising deep groove ball bearings (401) and tuck bolts (402).

7. A lifting device as claimed in claim 1 or 2 or 3 or 6, characterized in that an adjusting foot rest (7) is also arranged below the base chassis (1).

8. A lifting device according to claim 4, characterized in that an adjusting foot rest (7) is also arranged below the base chassis (1).