CN220097555U - AGV jacking device - Google Patents

Abstract

The utility model relates to an AGV jacking device. The AGV jacking device comprises two AGV jacking mechanisms arranged on two sides of an AGV trolley channel, wherein each AGV jacking mechanism comprises a base, and a front limiting assembly and a rear limiting assembly which are arranged on the base; preceding spacing subassembly includes first drive division and stops the portion, and first drive division is used for driving stops the portion and stretches out to AGV dolly passageway, and back spacing subassembly includes second drive division and pushes away tight portion, and second drive division is used for driving to push away tight portion and stretches out to the AGV dolly passageway to and drive to push away tight portion and apply the power to stopping the portion and remove to the AGV dolly that lies in the AGV dolly passageway. The AGV jacking device has the advantages of positioning and fixing the AGV trolley in advance, helping follow-up smooth fine positioning and finally improving positioning accuracy.

Description

AGV jacking device

Technical Field

The utility model relates to the technical field of lithium battery cell processing equipment, in particular to an AGV jacking device.

Background

In the lithium battery production process, the lithium battery is sent into an addressing device before laser welding of the lithium battery, and addressing before welding is carried out. To improve the efficiency of feeding and discharging lithium batteries, the conventional approach is to use an AGV trolley to transport the lithium batteries. The AGV car is a transport vehicle equipped with an automatic navigation device such as electromagnetic or optical, capable of traveling along a predetermined navigation path, and having safety protection and various transfer functions.

After the AGV trolley enters the welding machine, the height of the lithium battery is further required to be increased through the jacking device, so that the lithium battery enters the working range of addressing and welding before welding of the welding machine. However, the existing jacking device cannot correct the position of the AGV, once the position of the AGV has larger deviation, the positioning pin on the jacking device is difficult to position, and the adverse effects such as the deviation of the positioning pin, and the like are caused, so that the effect of addressing and welding before welding is finally affected.

Disclosure of Invention

Accordingly, the present utility model is directed to an AGV lifting device that has the advantage of correcting the position of an AGV and then helping to precisely position the AGV.

The AGV jacking device comprises two AGV jacking mechanisms which are respectively arranged at two sides of an AGV trolley passage; each AGV jacking mechanism comprises a base, and a front limiting assembly and a rear limiting assembly which are arranged on the base; the front limiting assembly is positioned at the front side along the conveying direction of the AGV trolley passage, and the rear limiting assembly is positioned at the rear side along the conveying direction of the AGV trolley passage; the front limiting assembly comprises a first driving part and a blocking part, the first driving part is installed on the base, the blocking part is connected with the first driving part, and the first driving part is used for driving the blocking part to extend out of the AGV trolley channel; the back limiting assembly comprises a second driving part and a pushing part, the second driving part is arranged on the base, the pushing part is connected with the second driving part, the second driving part is used for driving the pushing part to extend out of the AGV trolley channel and driving the pushing part to apply force to the blocking part to the AGV trolley located in the AGV trolley channel, so that the AGV trolley is abutted to the blocking part.

Further, the first driving part comprises a first cylinder, and the blocking part comprises a stop block; the first cylinder is fixedly arranged on the base, the stop block is horizontally movably arranged on the base and fixedly connected with the movable end of the first cylinder, and the first cylinder is used for driving the stop block to extend out towards the AGV trolley.

Further, the second driving part comprises a clamping cylinder, the pushing part comprises a clamping arm, and the clamping cylinder is fixedly arranged on the base; one end of the clamping arm is connected to the rotating shaft of the clamping cylinder, and the other end of the clamping arm is provided with a clamping end; the clamping cylinder drives the clamping arm to rotate through the rotating shaft, so that the clamping end takes the rotating shaft as a circle center, and the clamping end rotates from the base to the AGV trolley passage.

Further, a first buffer member is arranged on the rear side edge of the blocking portion along the conveying direction of the AGV trolley passage, and a second buffer member is arranged on the front side of the clamping end along the rotating direction of the clamping arm.

Further, the AGV jacking mechanism further comprises a jacking assembly, wherein the jacking assembly comprises a jacking platform and two lifting guide rail pairs; the two lifting guide rail pairs are arranged along the conveying direction of the AGV trolley passage; the jacking platform is arranged on the base through the two lifting guide rail pairs.

Further, two ends of the jacking platform are respectively provided with a fine positioning component; each fine positioning component comprises a mounting seat, a driving unit and a positioning pin, wherein the mounting seat is mounted at the end part of the jacking platform, the driving unit is mounted on the mounting seat, and the positioning pin is vertically arranged above the driving unit and fixedly connected with the driving unit; the AGV trolley is provided with a locating hole, and the driving unit is used for driving the locating pin to extend into the locating hole or move out of the locating hole downwards.

Further, each AGV jacking mechanism further comprises a driving mechanism, wherein the driving mechanism is arranged on the base; the driving mechanism comprises a horizontal guide rail pair, a wedge block and a third cylinder; the horizontal guide rail pair is arranged on the base along the direction parallel to the AGV trolley passage; the wedge block is slidably mounted on the horizontal guide rail pair, the wedge block (52) comprises a first wedge part and a second wedge part, and the first wedge part and the second wedge part are positioned at the top of the wedge block and are arranged along the direction of the horizontal guide rail pair; the bottom of the jacking platform is provided with a first roller and a second roller, the first roller is in contact with the first wedge-shaped part, and the second roller is in contact with the second wedge-shaped part; when the wedge block slides along the horizontal guide rail pair, the contact points of the first wedge part and the first roller and the contact points of the second wedge part and the second roller are transferred from the lower side to the higher side of the wedge surface, and the wedge block drives the jacking platform to move upwards; the third cylinder is parallel to the horizontal guide rail and is arranged on the base, and the movable end of the third cylinder is fixedly connected with the wedge-shaped block and used for driving the wedge-shaped block to slide along the horizontal guide rail.

Further, the lowest part of the inclined surface of the first wedge-shaped part horizontally extends out of a first plane, the lowest part of the inclined surface of the second wedge-shaped part horizontally extends out of a second plane, the highest part of the inclined surface of the first wedge-shaped part horizontally extends out of a third plane, and the highest part of the inclined surface of the second wedge-shaped part horizontally extends out of a fourth plane; when the first roller contacts the first plane and the second roller contacts the second plane, the wedge block stays at the lowest position; when the first roller contacts the third plane and the second roller contacts the fourth plane, the wedge blocks stay at the highest position.

Further, the AGV jacking mechanism further comprises a protection assembly arranged on the base, and the protection assembly comprises a first hydraulic buffer and a second hydraulic buffer; the first hydraulic buffer and the second hydraulic buffer are arranged on the base and are respectively positioned at two ends of the horizontal guide rail; when the wedge block moves to the front side of the AGV trolley channel conveying direction until the contact point of the jacking platform and the wedge block is positioned on the higher side of the wedge block, the first buffer is in contact with the wedge block; when the wedge block moves to the rear side of the AGV trolley channel conveying direction until the contact point of the jacking platform and the wedge block is positioned at the lower side of the wedge block, the second buffer is in contact with the wedge block; the first hydraulic buffer and the second hydraulic buffer are used for stopping movement of the wedge block.

Further, the protection assembly further comprises a bolt and a bolt hole; the bolt is arranged on one side of the base far away from the AGV trolley passage; the plug pin hole is formed in one side, far away from the AGV trolley passage, of the wedge block, and when the contact point of the jacking platform and the wedge block is located on the higher side of the wedge block, the plug pin hole is formed corresponding to the first wedge part; the bolt is used for being inserted into the bolt hole to fix the wedge block.

Compared with the prior art, the AGV jacking device has the following advantages:

1. the AGV jacking device comprises the front limiting assembly and the rear limiting assembly, wherein the front limiting assembly comprises the blocking part, the rear limiting assembly comprises the pushing part, after the AGV trolley moves to a preset position along the AGV trolley passage, the pushing part applies force towards the blocking part to position and fix the AGV trolley, the rough positioning effect is achieved, the follow-up smooth fine positioning is facilitated, and finally the positioning precision is improved.

2. In the AGV jacking device provided by the utility model, the blocking part comprises the stop block, the pushing part comprises the clamping arm, and the stop block is driven by the first air cylinder, the clamping arm is driven by the clamping air cylinder, and after the stop block and the clamping arm are used for positioning the AGV trolley, the stop block and the clamping arm can be automatically reset through the first air cylinder and the clamping air cylinder, so that the next AGV trolley is allowed to continuously enter the AGV trolley channel and be positioned, and the working efficiency is improved.

3. The AGV jacking device further comprises a protection assembly, wherein the protection assembly comprises a bolt and a bolt hole, the bolt is inserted into the bolt hole to fix the wedge block after the jacking platform is lifted to the highest position, the jacking platform is prevented from falling due to the fact that the wedge block moves due to the fact that a cylinder is broken or air is broken, and the safety of the AGV jacking device is improved.

For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.

Drawings

FIG. 1 is a schematic diagram of an AGV lift device and an AGV cart in an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an AGV lift mechanism in an embodiment of the present utility model;

FIG. 3 is an exploded view of an AGV lift mechanism in accordance with an embodiment of the present utility model;

FIG. 4 is a schematic view of an alternative angle of an AGV lift mechanism in accordance with an embodiment of the present utility model;

FIG. 5 is an exploded view of an AGV lift mechanism in accordance with an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a jacking platform and a wedge block according to an embodiment of the present utility model.

Description of the drawings:

1. a base;

2. a front limit assembly;

21. a first cylinder;

22. a stop block; 220. a first buffer member; 2201. a first photosensor;

3. a rear limit assembly;

31. a clamping cylinder;

32. a clamping arm; 320. a second buffer member; 3201. a second photosensor;

4. a jacking assembly;

41. lifting the platform; 410. a first roller; 411. a second roller;

42. lifting the guide rail pair;

43. a fine positioning component; 431. a mounting base; 432. a driving unit; 433. a positioning pin;

5. a driving mechanism;

51. a horizontal guide rail pair;

52. wedge blocks;

521. a first wedge; 521a, a first plane; 521b, a second plane;

522. a second wedge; 522a, a third plane; 522b, a fourth plane;

53. a third cylinder;

54. a first hydraulic buffer; 55. a second hydraulic buffer;

61. a plug pin; 62. a bolt hole;

7. and a tray.

Detailed Description

The following are specific embodiments of the present utility model, and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "up," "down," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Before the laser welding step of the lithium battery production process, the lithium battery is required to be sent into an addressing device to complete addressing before welding. In order to improve efficiency, an AGV (Automated Guided Vehicle; automatic guided vehicle) trolley is used for transportation to realize full-automatic feeding into the lithium battery. Referring to fig. 1, the addressing device has a truss structure, and an AGV trolley passage penetrating the truss structure is arranged in the addressing device for moving the AGV trolley, and a tray 7 is arranged on the AGV trolley for placing a lithium battery.

When addressing is taken, the tray 7 needs to be lifted to a certain height, so that the lithium battery enters the working range of the addressing camera. Therefore, with reference to fig. 1 and 2, the present utility model provides an AGV lifting device, which includes two AGV lifting mechanisms disposed on two sides of an AGV trolley path, and when an AGV trolley moves along the AGV trolley path to between the two AGV lifting mechanisms, the two AGV lifting mechanisms synchronously drive a tray 7 on the AGV trolley to move upwards.

Specifically, referring to fig. 1 to 5, each AGV jacking mechanism includes a base 1, a front limit assembly 2, and a rear limit assembly 3.

The front limiting component 2 and the rear limiting component 3 are arranged on the base 1, the conveying direction of the AGV in the AGV channel is used as a reference, the front limiting component 2 is located on the front side, and the rear limiting component 3 is located on the rear side.

The front limiting assembly 2 comprises a first driving part and a blocking part, the first driving part is arranged on the base 1, the blocking part is connected with the first driving part, and the first driving part is used for driving the blocking part to extend out to the AGV trolley passage.

The back spacing subassembly 3 includes second drive division and pushes away tight portion, and second drive division is installed on base 1, pushes away tight portion and is connected with second drive division, and second drive division is used for the drive to push away tight portion and stretches out to the AGV dolly passageway to and drive to push away tight portion and apply the power that removes to blocking portion to the AGV dolly that lies in the AGV dolly passageway, make the AGV dolly butt in blocking portion.

According to the AGV jacking device provided by the utility model, the front limiting component 2 and the rear limiting component 3 are arranged on the base 1 of the AGV jacking mechanism, the blocking part extends to the front side of the AGV trolley, the pushing part extends to the passage of the AGV trolley and then contacts the AGV trolley, the AGV trolley is applied with force for moving towards the blocking part, the AGV trolley is abutted against the blocking part, the position of the AGV trolley can be corrected and fixed, coarse positioning is realized, and the situation that fine positioning is difficult to directly realize is avoided.

Referring to fig. 2 and 3, it is preferable that the first driving part includes a first cylinder 21 and the blocking part includes a stopper 22 in the present embodiment.

The first cylinder 21 is mounted on the base 1. Specifically, the front side of base 1 is provided with the cylinder mount pad, and first cylinder 21 passes through the screw to be installed and keep away from the one side of AGV dolly passageway on the cylinder mount pad, and its expansion end then stretches out to AGV dolly passageway side.

The stopper 22 is horizontally movably installed on the base 1 and connected with the movable end of the first cylinder 21. Specifically, the front end of base 1 is provided with the dog mount pad, and dog 22 perpendicular to AGV dolly passageway, and its wearing to locate the dog mount pad, its one end is connected with the expansion end of first cylinder 21 through floating joint, and the other end is provided with self-lubricating structure in the dog mount pad towards the AGV dolly passageway for first cylinder 21 can drive dog 22 and stretch out or retract to the direction of AGV dolly passageway.

In other embodiments, the first driving portion may be another component such as a screw motor, and the blocking portion may be a positioning pin. The same effects as those of the embodiment of the utility model can be realized by arranging the rough positioning holes on the side edges of the tray 7, and the screw motor drives the positioning pins to extend into the rough positioning holes after extending to the AGV trolley passage.

With continued reference to fig. 2 and 3, in the present embodiment, the second driving portion preferably includes a clamping cylinder 31, and the pushing portion preferably includes a clamping arm 32.

The clamping cylinder 31 is fixedly mounted on the base 1. Specifically, the clamping cylinder 31 is mounted at the rear end of the base 1 by a screw, and one end thereof provided with a rotation shaft is close to the AGV lane.

One end of the clamping arm 32 is connected to the rotation shaft, and the other end of the clamping arm 32 is a clamping end. When initial state, press from both sides tight end and be located base 1, under the drive of clamp cylinder 31, press from both sides tight arm 32 and rotate with the rotation axis as the centre of a circle, make the tight end of clamp rotate to the AGV dolly passageway on and with the AGV dolly contact, press from both sides tight arm 32 and continue to rotate, press from both sides tight end and promote the AGV dolly and remove until the AGV dolly butt in dog 22. Thus, the AGV trolley is corrected, and coarse positioning is completed.

In other embodiments, the second driving portion may also include two cylinders, where one cylinder drives the clamping arm 32 to move along a straight line and extend onto the path of the AGV trolley, and then the other cylinder drives the clamping arm 32 to move along the transport direction of the path of the AGV trolley until contacting the AGV trolley and further pushing the AGV trolley to abut against the stop 22, which also achieves the same effect as the embodiment of the present utility model.

Referring to fig. 3 and 4, in one embodiment, preferably, a first buffer member 220 is provided at a blocking portion, i.e., a rear side of the stopper 22, in a transport direction of the AGV carriage, and a second buffer member 320 is provided at a front side of a rotation direction along which the clamping end rotates toward the lane of the AGV carriage, and the first buffer member 220 and the second buffer member 320 are used to contact the AGV carriage to prevent damage to a surface of the AGV carriage. The first buffer member 220 and the second buffer member 320 are required to absorb impact and have wear-resistant properties, and may be made of materials such as youli glue, and are fixed to the stopper 22 and the clamping arm 32 by screws, respectively.

Preferably, the first buffer member 220 is provided with a first photoelectric sensor (2201), a concave position is provided on one side of the second buffer member 320 away from the rotation axis, a second photoelectric sensor (3201) is provided in the concave position, and the first photoelectric sensor (2201) and the second photoelectric sensor (3201) are used for detecting the positions of the stop 22 and the clamping arm 32 so as to confirm that the AGV trolley moves in place.

Referring to fig. 4 and 5, the AGV lifting mechanism in this embodiment further includes a lifting assembly 4, and preferably, the lifting assembly 4 includes a lifting platform 41 and two lifting rail pairs 42.

Specifically, two lift rail pairs 42 are respectively installed at the front side and the rear side of the base 1, and the sliders of the two lift rail pairs 42 are lifted and lowered synchronously.

The jacking platform 41 is horizontally arranged and mounted on the sliders of two lifting rail pairs 42. After the lifting platform 41 moves upward through the lifting guide rail pair 42, the top of the lifting platform contacts with the tray 7 and provides supporting force for the tray 7, so as to lift the tray 7.

Preferably, in order to avoid that the tray 7 is offset during the lifting process, and the addressing accuracy is affected, in this embodiment, two ends of the lifting assembly 4 are respectively provided with a fine positioning assembly 43.

As shown in fig. 4 and 5, each fine positioning assembly 43 includes a mounting seat 431, a driving unit 432, and a positioning pin 433, the mounting seat 431 is mounted at an end of the jacking platform 41, and the driving unit 432 and the positioning pin 433 are disposed on the mounting seat 431. In this embodiment, the driving unit 432 is a cylinder, the movable end of which extends vertically upwards, the positioning pin 433 is arranged vertically, the lower end of which is connected with the driving unit 432, and the upper end of which extends from the mounting seat 431 and then is inserted into a corresponding positioning pin hole on the tray 7. After the positioning pins 433 at both ends of the jacking platform 41 are inserted into the positioning pin holes, the fine positioning of the tray 7 is completed.

With continued reference to fig. 4 and 5, the AGV lift mechanism in this embodiment preferably further includes a drive mechanism 5, the drive mechanism 5 being disposed on the base 1 and including a horizontal rail pair 51, a wedge block 52, and a third cylinder 53. The driving mechanism 5 is used to drive the jacking platform 41 to move upwards.

Specifically, a horizontal guide rail pair 51 is provided on the base 1 parallel to the passage of the AGV.

Specifically, a third cylinder 53 is mounted on the base 1 and parallel to the horizontal rail pair 51, and the movable end of the third cylinder 53 protrudes toward the front side and is connected to the wedge block 52 through a floating joint for driving the wedge block 52 to move toward the front side.

The wedge block 52 is mounted on the slide of the horizontal rail pair 51 with its inclined surface at the top. The bottom of the jacking platform 41 is provided with a contact portion contacting with the inclined surface, and the contact portion may be another inclined surface corresponding to the inclined surface of the wedge block 52, or may be a roller or other structures, and the contact portion is a roller in this embodiment. When the wedge block 52 moves toward the front side along the horizontal rail pair 51, the contact point of the contact portion with the wedge block 52 is shifted from the lower side to the upper side of the wedge block 52, and the jacking platform 41 is moved upward. Conversely, when the wedge 52 moves to the rear side, the jacking platform 41 moves downward.

Referring to fig. 5 and 6, in order to make the effect of simultaneous lifting of both sides of the lifting platform 41 better, it is preferable that the contact portion includes a first roller 410 and a second roller 411, and the first roller 410 and the second roller 411 are symmetrically disposed in this embodiment. Correspondingly, the wedge 52 comprises identical first 521 and second 522 wedge portions, the first 521 and second 522 wedge portions being arranged in tandem on top of the wedge 52, the first 521 wedge portion being in contact with the first roller 410 and the second 522 wedge portion being in contact with the second roller 411.

Along the direction of the inclined plane, the lowest part of the inclined plane of the first wedge 521 extends forwards to form a first plane 521a, the inclined plane of the second wedge 522 extends forwards to form a second plane 522a, and when the first roller 410 contacts the first plane 521a and the second roller 411 contacts the second plane 522a, the lifting platform 41 can stably stay at the lowest part; the highest position of the first wedge 521 extends back to form a third plane 521b, the second wedge 522 extends back to form a fourth plane 522b, and when the first roller 410 contacts the third plane 521b and the second roller 411 contacts the fourth plane 522b, the lifting platform 41 can stably stay at the highest position. When the wedge 52 moves forward along the horizontal rail pair 51, the first roller 410 rises from the first plane 521a to the third plane 521b along the inclined surface, and the second roller 411 rises from the second plane 522a to the fourth plane 522b along the inclined surface, and the jacking platform 41 moves upward. On the contrary, when the wedge block 52 moves backward along the horizontal rail pair 51, the first roller 410 descends from the third plane 521b to the first plane 521a along the inclined surface, and the second roller 411 descends from the fourth plane 522b to the second plane 522a along the inclined surface, and the jacking platform 41 moves downward.

With continued reference to fig. 5 and 6, the AGV lift mechanism in this embodiment preferably further includes a protection assembly including a first hydraulic buffer 54 and a second hydraulic buffer 55 for preventing the wedge 52 from moving excessively on the horizontal rail pair 51, resulting in a drop of the lift platform 41 caused by the disengagement of the first roller 410 and the second roller 411.

The first hydraulic buffer 54 and the second hydraulic buffer 55 are respectively arranged at two ends of the horizontal guide rail pair 51, the buffer heads of the first hydraulic buffer 54 and the second hydraulic buffer 55 face the middle part of the horizontal guide rail pair 51, and when the wedge block 52 moves forwards until the first roller 410 contacts the third plane 521b and the second roller 411 contacts the fourth plane 522b, the wedge block 52 contacts the first hydraulic buffer 54 and stops moving; when the wedge 52 moves rearward until the first roller 410 contacts the first plane 521a and the second roller 411 contacts the second plane 522a, the wedge 52 contacts the second hydraulic damper 55, stopping the movement. In other embodiments, the hydraulic damper may be replaced by a block, latch, or the like that prevents movement of the wedge 52.

With continued reference to fig. 5 and 6, to prevent the wedge 52 from moving due to an unexpected air break of the third air cylinder 53, causing the raised jacking platform 41 to accidentally fall, the protection assembly preferably further includes a latch 61 and a latch hole 62.

The bolt 61 is arranged on the edge of one side of the base 1 far away from the AGV trolley passage, and is driven by a cylinder, so that the operation is convenient; the latch hole 62 is provided on a side of the wedge 52 away from the AGV lane, and the latch 61 is provided corresponding to the latch hole 62 when the jack-up table 41 is moved up. At this time, the bolts 61 are inserted into the bolt holes 62 under the driving of the air cylinders, so that the wedge-shaped blocks 52 are fixed in position and prevented from moving, and the jacking platform 41 is ensured not to fall accidentally.

The AGV jacking device has the advantages that:

1. the AGV jacking device comprises the front limiting assembly and the rear limiting assembly, wherein the front limiting assembly comprises the blocking part, the rear limiting assembly comprises the pushing part, after the AGV trolley moves to a preset position along the AGV trolley passage, the pushing part applies force towards the blocking part to position and fix the AGV trolley, the rough positioning effect is achieved, the follow-up smooth fine positioning is facilitated, and finally the positioning precision is improved.

2. In the AGV jacking device provided by the utility model, the blocking part comprises the stop block, the pushing part comprises the clamping arm, and the stop block is driven by the first air cylinder, the clamping arm is driven by the clamping air cylinder, and after the stop block and the clamping arm are used for positioning the AGV trolley, the stop block and the clamping arm can be automatically reset through the first air cylinder and the clamping air cylinder, so that the next AGV trolley is allowed to continuously enter the AGV trolley channel and be positioned, and the working efficiency is improved.

3. The AGV jacking device further comprises a protection assembly, wherein the protection assembly comprises a bolt and a bolt hole, the bolt is inserted into the bolt hole to fix the wedge block after the jacking platform is lifted to the highest position, the jacking platform is prevented from falling due to the fact that the wedge block moves due to the fact that a cylinder is broken or air is broken, and the safety of the AGV jacking device is improved.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (10)

1. An AGV jacking device, its characterized in that:

the automatic lifting device comprises two AGV lifting mechanisms, wherein the two AGV lifting mechanisms are respectively arranged at two sides of an AGV trolley passage;

each AGV jacking mechanism comprises a base (1), and a front limiting assembly (2) and a rear limiting assembly (3) which are arranged on the base (1); the front limiting assembly (2) is positioned at the front side along the conveying direction of the AGV trolley passage, and the rear limiting assembly (3) is positioned at the rear side along the conveying direction of the AGV trolley passage;

the front limiting assembly (2) comprises a first driving part and a blocking part, the first driving part is arranged on the base (1), the blocking part is connected with the first driving part, and the first driving part is used for driving the blocking part to extend out of the AGV trolley channel;

the back limiting assembly (3) comprises a second driving part and a pushing part, the second driving part is arranged on the base (1), the pushing part is connected with the second driving part, the second driving part is used for driving the pushing part to extend out of the AGV trolley passageway and driving the pushing part to apply force to the blocking part to move to the AGV trolley located in the AGV trolley passageway, and the AGV trolley is abutted to the blocking part.

2. The AGV lift device of claim 1 wherein:

the first driving part comprises a first cylinder (21), and the blocking part comprises a stop block (22);

the first air cylinder (21) is fixedly arranged on the base (1), the stop block (22) is horizontally movably arranged on the base (1) and fixedly connected with the movable end of the first air cylinder (21), and the first air cylinder (21) is used for driving the stop block (22) to extend towards the AGV trolley.

3. The AGV lift device of claim 1 wherein:

the second driving part comprises a clamping cylinder (31), the pushing part comprises a clamping arm (32), and the clamping cylinder (31) is fixedly arranged on the base (1);

one end of the clamping arm (32) is connected to the rotating shaft of the clamping cylinder (31), and the other end of the clamping arm (32) is provided with a clamping end;

the clamping cylinder (31) drives the clamping arm (32) to rotate through the rotating shaft, so that the clamping end rotates from the base (1) to the AGV trolley passage by taking the rotating shaft as the center of a circle.

4. The AGV lift device according to claim 3 wherein:

the blocking portion is provided with a first buffer member (220) on the rear side edge of the blocking portion in the conveying direction of the AGV trolley passage, and a second buffer member (320) is arranged on the front side of the clamping end in the rotating direction of the clamping arm (32).

5. The AGV lift device according to any one of claims 1-4 wherein:

the AGV jacking mechanism further comprises a jacking assembly (4), wherein the jacking assembly (4) comprises a jacking platform (41) and two lifting guide rail pairs (42);

the two lifting guide rail pairs (42) are arranged along the conveying direction of the AGV trolley passage;

the jacking platform (41) is arranged on the base through the two lifting guide rail pairs (42).

6. The AGV lift device of claim 5 wherein:

two ends of the jacking platform (41) are respectively provided with a fine positioning component (43);

each fine positioning assembly (43) comprises a mounting seat (431), a driving unit (432) and a positioning pin (433), wherein the mounting seats (431) are mounted at the end parts of the jacking platform (41), the driving units (432) are mounted on the mounting seats (431), and the positioning pins (433) are vertically arranged above the driving units (432) and fixedly connected with the driving units (432);

the AGV trolley is provided with a locating hole, and the driving unit (432) is used for driving the locating pin (433) to extend into the locating hole or move out of the locating hole downwards.

7. The AGV lift device of claim 5 wherein:

each AGV jacking mechanism further comprises a driving mechanism (5), and the driving mechanisms (5) are arranged on the base (1); the driving mechanism (5) comprises a horizontal guide rail pair (51), a wedge block (52) and a third air cylinder (53);

the horizontal guide rail pair (51) is arranged on the base (1) along a direction parallel to the AGV trolley passage;

the wedge block (52) is slidably mounted on the horizontal guide rail pair (51), the wedge block (52) comprises a first wedge part (521) and a second wedge part (522), and the first wedge part (521) and the second wedge part (522) are positioned at the top of the wedge block (52); a first roller (410) and a second roller (411) are arranged at the bottom of the jacking platform (41), the first roller (410) is in contact with the first wedge-shaped part (521), and the second roller (411) is in contact with the second wedge-shaped part (522); when the wedge block (52) slides along the horizontal guide rail pair (51), the contact points of the first wedge part (521) and the first roller (410) and the contact points of the second wedge part (522) and the second roller (411) are transferred from the lower side to the higher side of the wedge surface, and the wedge block (52) drives the jacking platform (41) to move upwards;

the third air cylinder (53) is parallel to the horizontal guide rail (51) and is arranged on the base (1), and the movable end of the third air cylinder is fixedly connected with the wedge-shaped block (52) and used for driving the wedge-shaped block (52) to slide along the horizontal guide rail (51).

8. The AGV lift device of claim 7 wherein:

a first plane (521 a) horizontally extends from the lowest part of the inclined surface of the first wedge-shaped part (521), a second plane (522 a) horizontally extends from the lowest part of the inclined surface of the second wedge-shaped part 522, a third plane (521 b) horizontally extends from the highest part of the inclined surface of the first wedge-shaped part (521), and a fourth plane (522 b) horizontally extends from the highest part of the inclined surface of the second wedge-shaped part (522);

when the first roller (410) contacts the first plane (521 a) and the second roller (411) contacts the second plane (522 a), the wedge (52) stays at the lowest position;

when the first roller (410) contacts the third plane (521 b) and the second roller (411) contacts the fourth plane (522 b), the wedge (52) stays at the highest position.

9. The AGV lift device of claim 7 wherein:

the AGV jacking mechanism further comprises a protection assembly arranged on the base (1), wherein the protection assembly comprises a first hydraulic buffer (54) and a second hydraulic buffer (55);

the first hydraulic buffer (54) and the second hydraulic buffer (55) are arranged on the base (1) and are respectively positioned at two ends of the horizontal guide rail (51);

the first buffer (54) is in contact with the wedge block (52) when the wedge block (52) moves to the front side of the AGV trolley conveying direction until the contact point of the jacking platform (41) and the wedge block (52) is positioned on the higher side of the wedge block (52);

the second buffer (55) is in contact with the wedge block (52) when the wedge block (52) moves to the rear side of the AGV trolley conveying direction until the contact point of the jacking platform (41) and the wedge block (52) is positioned on the lower side of the wedge block (52);

the first hydraulic buffer (54) and the second hydraulic buffer (55) are used for stopping movement of the wedge block (52).

10. The AGV lift device of claim 9 wherein:

the protection assembly further comprises a bolt (61) and a bolt hole (62);

the bolt (61) is arranged on one side of the base (1) far away from the AGV trolley passage;

the bolt hole (62) is arranged on one side, away from the AGV trolley passage, of the wedge block (52), and when the contact point of the jacking platform (41) and the wedge block (52) is positioned on the higher side of the wedge block (52), the bolt hole (62) is arranged corresponding to the first wedge part (521);

the plug pin (61) is used for being inserted into the plug pin hole (62) to fix the wedge block (52).