CN210764124U

CN210764124U - Lifting device

Info

Publication number: CN210764124U
Application number: CN201921863089.9U
Authority: CN
Inventors: 张欢; 汪伟; 徐昌荣
Original assignee: Ningbo Sanxing Smart Electric Co Ltd
Current assignee: Ningbo Sanxing Smart Electric Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-16
Anticipated expiration: 2029-10-31

Abstract

An embodiment of the utility model provides a lifting device relates to mechanical equipment technical field. The embodiment of the utility model provides a lifting device includes elevation structure, linking bridge, translation structure and plummer. The connecting bracket is connected to the lifting structure and is driven by the lifting structure to lift. The translation structure is connected on the connecting support and is driven by the lifting structure to lift along with the connecting support. The plummer setting is structural at the translation to can remove under the drive of translation structure, so that the plummer along predetermineeing the direction at the lift station with shift between the station, conveniently shift the work piece to the plummer on or lift off from the plummer, the result of use is better. Still be provided with the locating part on the linking bridge, the locating part is used for spacing the plummer to make the plummer keep on the lift station, prevent to move along predetermineeing the direction at lift in-process plummer, and then cause the problem of potential safety hazard, further guaranteed elevating gear's result of use.

Description

Lifting device

Technical Field

The utility model relates to a mechanical equipment technical field particularly, relates to a lifting device.

Background

In the process of machining and assembling workpieces, a plurality of working procedures are often required, and different working procedures are required to be operated on different stations. Therefore, it is necessary to transfer the position of the workpiece by using a transfer machine in the process of performing different processes, and for example, a lifting device is a machine that transfers the position of the workpiece in the height direction.

The existing lifting device is easy to shift when the bearing platform for bearing the workpiece is lifted, has potential safety hazards and is poor in use effect.

SUMMERY OF THE UTILITY MODEL

The object of the present invention includes, for example, providing a lifting device which can improve the above-mentioned problems existing in the prior art.

The embodiment of the utility model discloses a can realize like this:

the embodiment of the utility model provides a lifting device, which comprises a lifting structure, a connecting bracket, a translation structure and a bearing platform; the connecting bracket is connected with the lifting structure, and the lifting structure is used for driving the connecting bracket to lift; the translation structure is arranged on the connecting support, the bearing table is arranged on the translation structure, and the translation structure is used for driving the bearing table to move so as to enable the bearing table to move between a lifting station and a transfer station along a preset direction; the connecting support is further provided with a limiting part, and the limiting part is used for limiting the bearing table so that the bearing table is kept on the lifting station.

Optionally, the limiting member includes a cylinder and a limiting rod; the cylinder body is fixedly connected to the connecting bracket; the limiting rod is connected to the cylinder body in a sliding mode so that the bearing platform is limited when the limiting rod extends out.

Optionally, the bearing table has an end face pointing to one end of the transfer station in the direction from the lifting station, and the side wall of the limiting rod is used for abutting against the end face to limit the bearing table.

Optionally, the lifting device further includes a controller and a detecting element connected to the connecting bracket, and the detecting element is configured to send a position signal of the plummer to the controller; the controller is used for controlling the limiting part according to the position signal.

Optionally, the above-mentioned plummer is further provided with a positioning groove, and when the plummer is located at the lifting station, the detection piece is clamped in the positioning groove to position the plummer.

Optionally, the lifting structure includes a first driving member, a lead screw, and a nut screwed to the lead screw; the first driving piece is in transmission connection with the lead screw and is used for driving the lead screw to rotate; the connecting support is fixedly connected with the nut, and when the screw rod rotates, the nut can move along the axial direction of the screw rod to drive the connecting support to lift.

Optionally, the lifting device further comprises a guide structure, the guide structure comprises a slide rail and a slide groove which are matched with each other, the slide rail extends along the axial direction of the screw rod, and the slide groove is fixedly connected to the connecting support so as to guide the lifting of the connecting support.

Optionally, the translation structure includes a second driving element and a chain transmission structure, and both the second driving element and the chain transmission structure are connected to the connecting bracket; the second driving piece is in transmission connection with the chain transmission structure and is used for driving the chain transmission structure to run; the chain transmission structure is connected with the bearing platform and used for driving the bearing platform to move along the preset direction.

Optionally, the lifting device further comprises a chain guide rail fixedly connected to the connecting bracket, and a chain of the chain transmission structure is arranged in the chain guide rail; the chain guide rail is provided with a guide rail opening, and the chain is in contact with the bearing table through the guide rail opening so as to drive the bearing table to move along a preset direction.

Optionally, the bearing table is provided with a first limiting protrusion and a second limiting protrusion, and the first limiting protrusion and the second limiting protrusion are oppositely arranged on two sides of the preset direction and used for limiting a workpiece on the bearing table.

The utility model discloses elevating gear's beneficial effect includes, for example:

the utility model provides a lifting device, it includes elevation structure, linking bridge, translation structure and plummer. The connecting bracket is connected to the lifting structure and is driven by the lifting structure to lift. The translation structure is connected on the connecting support and is driven by the lifting structure to lift along with the connecting support. The plummer sets up at the translation structurally to can remove under the drive of translation structure, so that the plummer along predetermineeing the direction at the lift station with shift between the station, when the work piece goes up and down is born to needs, the plummer moves to shifting the station under the drive of translation structure, conveniently shifts the work piece on the plummer or lift off from the plummer, the result of use is better. Still be provided with the locating part on the linking bridge, the locating part is used for spacing the plummer to make the plummer keep on the lift station, prevent to move along predetermineeing the direction at lift in-process plummer, and then cause the problem of potential safety hazard, further guaranteed elevating gear's result of use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of an overall structure of a lifting device according to an embodiment of the present invention at a first viewing angle;

fig. 2 is a schematic structural diagram of a lifting device according to an embodiment of the present invention at a second viewing angle;

fig. 3 is a schematic view of a partial structure of a lifting device according to an embodiment of the present invention;

fig. 4 is a schematic view of a partial structure of a plummer in a lifting device according to an embodiment of the present invention when the plummer is at a transfer station;

FIG. 5 is an enlarged view of a portion V of FIG. 1;

fig. 6 is a schematic structural view of a plummer in the lifting device provided by the embodiment of the present invention.

Icon: 100-a lifting device; 110-a rack; 111-a base; 112-a fixing frame; 120-a lifting structure; 121-a first drive member; 122-a first belt drive arrangement; 123-a lead screw; 124-nut; 125-a guide structure; 126-a slide rail; 127-a chute; 130-a connecting bracket; 131-a connecting portion; 140-a translating structure; 141-a second drive member; 142-a second belt drive structure; 143-transmission rod; 144-a first chain drive structure; 145-a second chain drive structure; 146-a chain guide; 147-guide rail opening; 160-a carrier stage; 161-end face; 162-a positioning groove; 163-first limit projection; 164-a second stop lug; 170-a stop; 171-cylinder body; 172-limit rod; 180-detecting element.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Fig. 1 is a schematic overall structure diagram of a lifting device 100 according to the present embodiment in a first viewing angle. Referring to fig. 1, the present embodiment provides a lifting device 100, which includes a lifting structure 120, a connecting bracket 130, a translating structure 140 and a carrying platform 160. The connecting bracket 130 is connected to the lifting structure 120 and is driven by the lifting structure 120 to lift. The translation structure 140 is connected to the connecting bracket 130 and is driven by the lifting structure 120 to lift along with the connecting bracket 130. The carrier 160 is disposed on the translation structure 140 and can be moved by the translation structure 140, so that the carrier 160 moves between the lifting station and the transferring station along a predetermined direction. When the work piece need go up and down to transport, plummer 160 moves to the transfer station under translation structure 140's drive, conveniently shifts the work piece to plummer 160 on, and then goes up and down along with plummer 160 under the drive of elevation structure 120, and the result of use is better. The connecting bracket 130 is further provided with a limiting member 170, and the limiting member 170 is used for limiting the plummer 160, so that the plummer 160 is kept on the lifting station, the plummer 160 is prevented from moving along a preset direction in the lifting process, potential safety hazards can be avoided, and the using effect of the lifting device 100 is further ensured.

The following further describes the lifting device 100 provided in this embodiment:

fig. 2 is a schematic structural diagram of the lifting device 100 according to the present embodiment at a second viewing angle. Referring to fig. 1 and fig. 2, in the present embodiment, the lifting device 100 further includes a frame 110, and the lifting structure 120 is connected to the frame 110, so that the operation of the lifting structure 120 is more stable. Specifically, the frame 110 includes a base 111 and a fixing frame 112 fixedly connected to the base 111, the fixing frame 112 is disposed along a vertical direction, and the lifting structure 120 is disposed on the fixing frame 112.

The lifting structure 120 includes a first driving member 121, a lead screw 123, and a nut 124. The first driving member 121 is fixedly connected to the fixing frame 112, the lead screw 123 is rotatably connected to the fixing frame 112, and an axis of the lead screw 123 extends in a vertical direction. The nut 124 is screwed on the screw rod 123 and forms a screw rod mechanism together with the screw rod 123. The first driving member 121 is in transmission connection with the lead screw 123 to drive the lead screw 123 to rotate, and when the lead screw 123 rotates, the nut 124 can move along the axial direction of the lead screw 123 to lift. The lifting of the translation structure 140 is realized through the screw 123 mechanism, and the operation is more stable and reliable. Optionally, the first driving member 121 is a motor, and the connecting bracket 130 is driven by the forward and reverse rotation of the motor to reciprocate up and down.

Optionally, the connecting bracket 130 is provided with a connecting portion 131, and the connecting portion 131 is provided with a through hole for the screw 123 to penetrate through. The connecting portion 131 extends through the fixing frame 112 to the other side of the fixing frame 112 and is fixedly connected with the nut 124, so as to be lifted up and down along with the nut 124. It can be understood that, in other embodiments, according to the requirement of the user, the screw thread matching with the screw rod 123 is disposed in the through hole, so that the connecting portion 131 and the screw rod 123 are screwed directly to form a screw rod 123 mechanism, and thus the lifting of the connecting bracket 130 is realized through the rotation of the screw rod 123.

It should be noted that, the specific structure of the lifting structure 120 is not limited herein, and it should be understood that, in other embodiments, the lifting structure 120 may be specifically arranged according to the requirement of a user, for example, a hydraulic cylinder or a wire rope is adopted for hoisting.

Further, the lifting structure 120 further includes a transmission assembly, and the first driving member 121 is in transmission connection with the lead screw 123 through the transmission assembly. Specifically, the transmission assembly is a first belt transmission structure 122, a driving pulley of the first belt transmission structure 122 is connected with the first driving member 121 through a coupling, a driven pulley of the first belt transmission structure 122 is in transmission connection with the lead screw 123, and the driving pulley and the driven pulley realize transmission through a belt.

Optionally, the lifting device 100 further comprises a guide structure 125. The guiding structure 125 includes a sliding rail 126 and a sliding groove 127, which are matched with each other, the sliding rail 126 is fixedly connected to the fixing frame 112 and extends along the axial direction of the screw 123, and the sliding groove 127 is fixedly connected to the connecting bracket 130, so that the sliding fit of the sliding rail 126 and the sliding groove 127 is used as the lifting guide of the connecting bracket 130, and the lifting movement of the connecting bracket 130 is more stable. It is understood that in other embodiments, the slide rail 126 may be disposed on the connecting bracket 130 and the sliding groove 127 may be disposed on the fixing frame 112 according to requirements.

Fig. 3 is a schematic partial structure diagram of the lifting device 100 according to this embodiment. Referring to fig. 3, in the present embodiment, the translation structure 140 includes a second driving element 141 and a chain transmission structure. The second driving member 141 and the chain transmission structure are connected to the connecting bracket 130. The second driving member 141 is in transmission connection with the chain transmission structure, so as to drive the chain transmission structure to operate. The carrier 160 is disposed on the chain transmission structure, and when the chain transmission structure operates, the carrier 160 is driven by the chain transmission structure to move along a predetermined direction, so as to move between the lifting station (as shown in fig. 1) and the transferring station (as shown in fig. 4). Optionally, the second driving element 141 is a motor, and the plummer 160 is driven by the forward and reverse rotation of the motor to reciprocate along the preset direction.

Further, the number of the chain transmission structures is two, and the two chain transmission structures are the first chain transmission structure 144 and the second chain transmission structure 145 respectively. The first chain transmission structure 144 and the second chain transmission structure 145 are respectively located at two ends of the bearing platform 160, and the bearing platform 160 is driven to slide stably by the combined action of the two chain transmission structures. Further, the translation structure 140 further includes a transmission rod 143, and the transmission rod 143 is in transmission connection with the second driving member 141 and is simultaneously in transmission connection with the driving sprockets of the two chain transmission structures to drive the two chain transmission structures to synchronously operate. Further, the translation structure 140 further includes a second belt transmission structure 142 disposed between the second driving element 141 and the transmission rod 143, and the second belt transmission structure 142 is respectively in transmission connection with the second driving element 141 and the transmission rod 143, so as to realize transmission between the transmission rod 143 and the second driving element 141.

Further, the lifting device 100 further includes a chain guide 146 connected to the connecting bracket 130. The chain of the chain drive structure is disposed within the chain guide 146. Guide rail opening 147 has been seted up to chain guide 146, and the chain passes through chain opening and plummer 160 contact to drive plummer 160 when the chain rotates and along predetermineeing the direction motion, through setting up chain guide 146, make the chain operation more stable. A particular guide opening 147 opens at the upper end of chain guide 146 and the upper portion of the chain extends through guide opening 147 to be supported on the underside of a carrier table 160 located outside of chain guide 146, carrier table 160 moving with the chain as the chain runs.

Fig. 5 is an enlarged view of a portion v of fig. 1. Referring to fig. 5, in the embodiment, the lifting device 100 further includes a limiting member 170 disposed on the connecting bracket 130, and the supporting table 160 is limited by the limiting member 170, so that the supporting table 160 is kept on the lifting station, and the supporting table 160 is prevented from moving along a predetermined direction when driven by the lifting structure 120 to move up and down. Further, the stopper 170 includes a cylinder 171 and a stopper rod 172. The cylinder 171 is fixedly coupled to the link bracket 130, and the stopper rod 172 is slidably coupled to the cylinder 171. When the plummer 160 is located at the lifting station, the limiting rod 172 extends out to limit the plummer 160, so that the plummer 160 is kept at the lifting station; when the limit rod 172 retracts into the cylinder 171, the limit action of the limit rod 172 on the bearing table 160 disappears, and the bearing table 160 can move along the preset direction under the driving of the translation structure 140, so that the lifting station and the transfer station are switched. It can be understood that, in the embodiment, the limiting member 170 is an air cylinder, and in other embodiments, other structures may be selected as the limiting member 170 to limit the position of the plummer 160 according to the requirement of the user, such as an electric telescopic rod or an oil cylinder.

The bearing table 160 has an end surface 161 at one end in the direction from the lifting station to the transfer station, the cylinder 171 of the limiting member 170 is positioned below the bearing table 160, and when the limiting rod 172 extends out, the side wall of the limiting rod 172 abuts against the end surface 161, so that the bearing table 160 is limited; when the limiting rod 172 retracts, the limiting rod 172 is located below the bearing table 160, no shielding exists between the lifting station and the transferring station of the bearing table 160, and the bearing table 160 can move smoothly under the driving of the translation structure 140.

Referring to fig. 3, in the present embodiment, the lifting device 100 further includes a controller (not shown) and a detecting member 180 connected to the connecting bracket 130, and the controller is electrically connected to the detecting member 180 and the limiting member 170 at the same time. The detection piece 180 is fixedly connected to the connecting support 130 and used for detecting the position of the bearing table 160, and when the bearing table 160 is located at the lifting station, the detection piece 180 sends a position signal representing the position of the bearing table 160 to the controller; the controller controls the limiting member 170 according to the received position signal, specifically, when the plummer 160 moves from the transfer station to the lifting station, and the detecting member 180 detects that the plummer 160 moves to the lifting station, the controller controls the limiting rod 172 to extend out to limit the plummer 160.

Optionally, the detecting element 180 is a retro-reflective photoelectric switch, and the detecting element 180 is located on one side of the plummer 160 pointing to the lifting station direction from the transfer station, that is, when the plummer 160 is located at the lifting station, the detecting element 180 and the limiting element 170 are respectively located on two sides of the plummer 160 along the preset direction. It is understood that in other embodiments, other structures of the detecting member 180 may be used as required to detect the position of the carrier stage 160, such as a hall switch.

Fig. 6 is a schematic structural diagram of the carrying platform 160 in the lifting device 100 according to this embodiment. Referring to fig. 6, in the embodiment, a positioning groove 162 is formed on the carrier stage 160, and when the carrier stage 160 is located at the lifting station, the detecting member 180 is clamped in the positioning groove 162 to position the carrier stage 160, so as to ensure the position accuracy of the carrier stage 160. Further, along the direction that shifts the station and point to the lift station, the opening size of constant head tank 162 increases gradually, guarantees that in the in-process that plummer 160 moved from shifting the station to the lift station, detection piece 180 can block into constant head tank 162 smoothly.

Further, still include first spacing arch 163 and the spacing arch 164 of second that relative interval set up on the plummer 160, form the year thing space that is used for holding the work piece between first spacing arch 163 and the spacing arch 164 of second, first spacing arch and the spacing arch 164 of second are located the both sides of predetermineeing the direction respectively moreover, consequently carry the open setting in the ascending both ends of the direction of predetermineeing of thing space for the work piece can slide in smoothly or the roll-off carries the thing space.

According to the lifting device 100 provided by the embodiment, the working principle of the lifting device 100 is as follows:

in the lifting device 100 provided in this embodiment, when in use, the connecting bracket 130 is driven by the lifting structure 120 to move to the lower end or the upper end of the screw 123, and the bearing platform 160 is driven by the translation structure 140 to move to the transfer station, so that the workpiece can be conveniently and smoothly transferred to the bearing platform 160, and the first limiting protrusion 163 and the second limiting protrusion 164 on the bearing platform 160 limit the position, so as to prevent the workpiece from moving relative to the bearing platform 160 when the bearing platform 160 translates or lifts; when the workpiece moves into the loading space, the second driving member 141 rotates reversely to drive the plummer 160 to move from the transfer station to the lifting station, when the detecting member 180 detects that the plummer 160 moves to the lifting station, the controller controls the limiting rod 172 to extend out, so that the plummer 160 is kept at the lifting station, then the lifting structure 120 drives the plummer 160 to lift to a proper position, the controller controls the limiting rod 172 to retract, and then the plummer 160 moves to the transfer station under the driving of the translation structure 140, so as to conveniently unload the workpiece.

The lifting device 100 provided by the embodiment at least has the following advantages:

the embodiment of the utility model provides a lifting device 100, this lifting device 100 are provided with translation structure 140, and the plummer 160 that drives through translation structure 140 and bear the weight of the work piece moves between the lift station and the transfer station for the transfer of work piece is convenient and fast more, promotes lifting device 100's result of use. The lifting device 100 is further provided with a limiting member 170 for limiting the plummer 160 at the lifting station, so that the plummer 160 is prevented from sliding relative to the connecting support 130 in the lifting process, and the using effect is further improved.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A lifting device is characterized by comprising a lifting structure, a connecting bracket, a translation structure and a bearing platform; the connecting bracket is connected with the lifting structure, and the lifting structure is used for driving the connecting bracket to lift; the translation structure is arranged on the connecting support, the bearing table is arranged on the translation structure, and the translation structure is used for driving the bearing table to move so as to enable the bearing table to move between a lifting station and a transfer station along a preset direction; the connecting support is further provided with a limiting part, and the limiting part is used for limiting the bearing table so that the bearing table is kept on the lifting station.

2. The lifting device according to claim 1, wherein the limiting member comprises a cylinder and a limiting rod; the cylinder body is fixedly connected to the connecting bracket; the limiting rod is connected to the cylinder body in a sliding mode so that the bearing platform is limited when the limiting rod extends out.

3. The lifting device according to claim 2, wherein the carrier table has an end surface directed from the lifting station to one end of the direction of the transfer station, and the side wall of the stopper rod is adapted to abut against the end surface to limit the carrier table.

4. The lifting device as claimed in claim 1, further comprising a controller and a detecting member connected to the connecting bracket, wherein the detecting member is used for sending a position signal of the carrier to the controller; the controller is used for controlling the limiting part according to the position signal.

5. The lifting device as claimed in claim 4, wherein a positioning groove is further formed on the carrier, and when the carrier is located at the lifting station, the detecting member is clamped in the positioning groove to position the carrier.

6. The lifting device as recited in claim 1, wherein the lifting structure comprises a first drive member, a lead screw, and a nut threaded onto the lead screw; the first driving piece is in transmission connection with the lead screw and is used for driving the lead screw to rotate; the connecting support is fixedly connected with the nut, and when the screw rod rotates, the nut can move along the axial direction of the screw rod to drive the connecting support to lift.

7. The lifting device as claimed in claim 6, further comprising a guiding structure, wherein the guiding structure comprises a slide rail and a slide groove, the slide rail and the slide groove are mutually matched, the slide rail extends along the axial direction of the screw rod, and the slide groove is fixedly connected to the connecting bracket to guide the lifting of the connecting bracket.

8. The lifting device as recited in claim 1, wherein the translating structure comprises a second drive member and a chain drive structure, the second drive member and the chain drive structure both being connected to the connecting bracket; the second driving piece is in transmission connection with the chain transmission structure and is used for driving the chain transmission structure to run; the chain transmission structure is connected with the bearing platform and used for driving the bearing platform to move along the preset direction.

9. The lifting device as recited in claim 8 further comprising a chain guide fixedly attached to the attachment bracket, the chain of the chain drive structure being disposed within the chain guide; the chain guide rail is provided with a guide rail opening, and the chain is in contact with the bearing table through the guide rail opening so as to drive the bearing table to move along a preset direction.

10. The lifting device according to any one of claims 1 to 9, wherein a first limit protrusion and a second limit protrusion are provided on the carrier table, and the first limit protrusion and the second limit protrusion are oppositely provided on both sides of the preset direction for limiting a workpiece on the carrier table.