CN209833480U

CN209833480U - Clamping device for AGV trolley

Info

Publication number: CN209833480U
Application number: CN201920370838.8U
Authority: CN
Inventors: 徐超
Original assignee: BEIJING DEWEI JIAYE TECHNOLOGY Co Ltd
Current assignee: BEIJING DEWEI JIAYE TECHNOLOGY Co Ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2019-12-24
Anticipated expiration: 2029-03-22

Abstract

The utility model discloses a clamping device for an AGV, which comprises two clamping arms which can approach and separate from each other along the front-back direction, each clamping arm is connected with a corresponding first chute in a sliding way, the first chute extends along the front-back direction, one end of each first chute far away from the other first chute is communicated with a second chute, the second chute extends along the left-right direction, the first chute and the second chute are both arranged on a vehicle body, the bottom of each clamping arm is provided with a first roller and a second roller which are arranged along the front-back direction, the first idler wheel and the second idler wheel which are arranged on the same clamping arm are matched with the first sliding groove corresponding to the clamping arm, the second sliding groove is matched with the second idler wheel on the corresponding clamping arm, each clamping arm is hinged with a driving arm at the position coaxial with the first idler wheel on the clamping arm, and the two driving arms are connected with the same driving motor through a transmission mechanism. The utility model has the advantages that: the arm lock is folded after being bent, and the structure is reasonable, simple and practical, and the stability is good.

Description

Clamping device for AGV trolley

Technical Field

The utility model relates to a AGV dolly technical field particularly, relates to an embrace and press from both sides device for AGV dolly.

Background

An AGV is a transport vehicle equipped with an electromagnetic or optical automatic guide device, capable of traveling along a predetermined guide path, including a travel and stop device, a safety protection device, and having various transfer functions. The AGV trolley can automatically transport goods or materials from a starting point to a destination without manual piloting.

Most of the existing AGV trolleys embrace and clamp automobile tires through two clamping arms, but the folding and unfolding of the clamping arms often adopt a telescopic mode, and the mode has a complex structure and poor stability.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem among the correlation technique, the utility model provides a embrace and press from both sides device for AGV dolly, its arm lock can be buckled and receive, and stability is good.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:

a clamping device for an AGV comprises two clamping arms which can approach and keep away from each other along the front-back direction, each clamping arm is connected with a corresponding first sliding groove in a sliding manner, the first sliding groove extends along the front-back direction, one end of each first sliding groove, which is far away from the other first sliding groove, is communicated with a second sliding groove, the second sliding grooves extend along the left-right direction, the first sliding grooves and the second sliding grooves are arranged on a vehicle body, the bottom of each clamping arm is provided with a first roller and a second roller which are arranged along the front-back direction, wherein the first roller and the second roller which are arranged on the same clamping arm are matched with the first sliding groove corresponding to the clamping arm, the second sliding groove is matched with the second roller corresponding to the clamping arm, and each clamping arm is hinged with a driving arm at the position coaxial with the first roller on the clamping arm, the two driving arms are connected with the same driving motor through a transmission mechanism.

Further, the drive arm is slidably connected to a guide rail provided on the vehicle body, the guide rail extending in the front-rear direction.

Furthermore, the transmission mechanism is a ball screw pair, the ball screw pair comprises a screw and two nuts arranged on the screw, each nut is fixedly connected with one driving arm, and the screw extends in the front-back direction and is fixedly connected with a motor shaft of the driving motor.

Optionally, the driving motor is fixedly connected to the vehicle body.

Optionally, the two first sliding chutes are communicated with each other to form a third sliding chute. The driving motor is fixedly connected to the support, and the support is connected with the guide rail in a sliding mode.

Furthermore, the left end and the right end of each driving arm are respectively hinged with a clamping arm.

Furthermore, each clamping arm is provided with a first rolling shaft and a second rolling shaft respectively, the first rolling shaft and the second rolling shaft are vertically arranged, the first rolling shaft is connected with the first roller and the clamping arm respectively in a rotating mode, the first rolling shaft is fixedly connected with the driving arm, and the second rolling shaft is fixedly connected with the clamping arm and is connected with the second roller in a rotating mode.

Further, the bottom of the second roller is lower than the bottom of the first roller.

Furthermore, an arc-shaped guide plate is arranged on the inner wall of the joint of the first sliding groove and the second sliding groove, and the guide plate is matched with the second roller.

The utility model has the advantages that: the arm lock is folded after being bent, and the structure is reasonable, simple and practical, and the stability is good.

Drawings

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

FIG. 1 is a schematic diagram of an AGV according to an embodiment of the present invention;

FIG. 2 is a first schematic diagram of a clamping device for an AGV according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view A-A according to FIG. 2;

FIG. 4 is a cross-sectional view B-B according to FIG. 2;

FIG. 5 is a schematic illustration of the clamping device for an AGV according to FIG. 2 when deployed;

FIG. 6 is a second schematic diagram of a clamping device for an AGV according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view A-A according to FIG. 6;

fig. 8 is a cross-sectional view according to B-B shown in fig. 6.

In the figure:

10. a vehicle body; 30. clamping arms; 31. a first roller; 32. a second roller; 33. a first chute; 34. a second chute; 35. a drive arm; 36. a drive motor; 37. a guide rail; 38. a third chute; 39. a first roller; 310. a second roller; 311. a guide plate; 312. a drum; 313. and (4) a support.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

The first embodiment is as follows: as shown in fig. 1-5, a clamping device for AGV according to an embodiment of the present invention includes two clamping arms 30 that can approach and move away from each other along a front-back direction, each of the clamping arms 30 is slidably connected to a corresponding first sliding slot 33, the first sliding slot 33 extends along the front-back direction, each of the first sliding slots 33 is communicated with a second sliding slot 34 at an end away from the other first sliding slot 33, the second sliding slot 34 extends along a left-right direction, the first sliding slot 33 and the second sliding slot 34 are both disposed on the vehicle body 10, a first roller 31 and a second roller 32 are disposed at a bottom of each of the clamping arms 30 and arranged along the front-back direction, wherein the first roller 31 and the second roller 32 disposed on the same clamping arm 30 are both matched with the first sliding slot 33 corresponding to the clamping arm 30, the second sliding slot 34 is matched with the second roller 32 corresponding to the clamping arm 30, each clamping arm 30 is hinged with a driving arm 35 at a position coaxial with the first roller 31 thereon, and the two driving arms 35 are connected with the same driving motor 36 through a transmission mechanism.

The drive arm 35 is slidably connected to a guide rail 37 provided on the vehicle body 10, and the guide rail 37 extends in the front-rear direction.

The transmission mechanism is a ball screw pair, the ball screw pair comprises a screw and two nuts arranged on the screw, each nut is fixedly connected with one driving arm 35, and the screw extends in the front-back direction and is fixedly connected with a motor shaft of the driving motor 36.

The driving motor 36 is fixedly connected to the vehicle body 10.

Wherein, the left and right ends of each driving arm 35 are respectively hinged with a clamping arm 30.

Each clamping arm 30 is provided with a first roller 39 and a second roller 310, the first roller 39 and the second roller 310 are vertically arranged, the first roller 39 is rotatably connected with the first roller 31 and the clamping arm 30, the first roller 39 is fixedly connected with the driving arm 35, and the second roller 310 is fixedly connected with the clamping arm 30 and rotatably connected with the second roller 32.

Wherein the bottom of the second roller 32 is lower than the bottom of the first roller 31.

An arc-shaped guide plate 311 is arranged on the inner wall of the joint of the first sliding chute 33 and the second sliding chute 34, and the guide plate 311 is matched with the second roller 32.

For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention will be described in detail through specific use modes.

A embrace and press from both sides device for AGV dolly include driving motor 36, ball screw pair, actuating arm 35, arm lock 30, first gyro wheel 31, second gyro wheel 32, first spout 33 and second spout 34 etc.. In this embodiment, the driving motor 36 is fixed on the vehicle body 10, the driving motor 36 drives the two driving arms 35 to approach and separate from each other along the front-back direction through the ball screw pair, the driving arms 35 are slidably connected with the guide rails 37 on the vehicle body 10, the guide rails 37 are provided with T-shaped protrusions, the driving arms 35 are provided with T-shaped slots matching with the T-shaped protrusions, the left and right ends of the driving arms 35 are respectively fixedly connected with a first roller 39 through a screw, the first roller 39 is rotatably connected with the clamping arms 30 through a shaft sleeve, the clamping arms 30 can rotate with the first roller 39 as a shaft, the first roller 39 is rotatably connected with the first roller 31 through a bearing, the first roller 31 is located in the first sliding slot 33, the first sliding slot 33 extends along the front-back direction, the clamping arms 30 are provided with fixed second rollers 310, the second rollers 310 are rotatably connected with the second roller 32 through bearings, the second roller 32 is also located, the front end or the rear end of the first sliding groove 33 is communicated with a second sliding groove 34, the second sliding groove 34 extends along the left-right direction, the first sliding groove 33 and the second sliding groove 34 together form an L-shaped sliding groove, when the two driving arms 35 are far away from each other, the second roller 32 slides into the second sliding groove 34, then the clamping arms 30 are forced to rotate reversely by 90 degrees by taking the first roller 39 as an axis to realize bending folding, when the first roller 31 and the second roller 32 are both positioned in the first sliding groove 33, the clamping arms 30 cannot rotate by taking the first roller 39 as an axis, and the two clamping arms 30 approach each other to realize clamping of the automobile tire. In order to enable the second roller 32 to slide into the second sliding groove 34 more smoothly, an arc-shaped guide plate 311 is arranged on the inner wall of the joint of the first sliding groove 33 and the second sliding groove 34, in order to ensure that the guide plate 311 does not interfere with the first roller 31, the guide plate 311 is positioned below the first roller 31, and the bottom of the corresponding second roller 32 is also lower than the bottom of the first roller 31, so that the second roller 32 can contact with the guide plate 311.

The tire is clamped by the clamping arm 30, the roller 312 with the gradient is attached to the tire clamping position, the roller 312 is sleeved on the long cylinder of the clamping arm 30, when the tire is clamped by the clamping arm 30, the tire is lifted along the rolling gradient direction under the action of the roller 312, the whole process is rolling friction between the roller 312 and the tire, and physical damage to the tire cannot be caused.

In order to prevent the clamping arm 30 from moving and rotating over position, a corresponding proximity switch is also arranged on the vehicle body 10. The model of the proximity switch is ohm dragon E2B-M18KN 16-WZ-B1.

Antirust lubricating oil is added into the sliding groove, so that the clamping arm 30 can rotate and move flexibly without clamping stagnation.

The arms 30 on the left and right sides of the driving arm 35 are symmetrical to each other and ensure simultaneous deployment and retraction.

In the first embodiment, when the tire clamping device is used specifically, the driving motor 36 acts to drive the two driving arms 35 to approach each other, the second roller 32 on the clamping arm 30 slides into the first chute 33 from the second chute 34, the folded clamping arm 30 rotates forward 90 degrees around the first roller 39, and under the action of the L-shaped chute, the clamping arm 30 is unfolded to clamp the tire.

Example two: as shown in fig. 1, 6, 7 and 8, a clamping device for an AGV trolley according to an embodiment of the present invention includes two clamping arms 30 that can approach and separate from each other in a front-back direction, each of the clamping arms 30 is slidably connected to a corresponding first sliding slot 33, the first sliding slot 33 extends in the front-back direction, each of the first sliding slots 33 is communicated with a second sliding slot 34 at an end away from the other of the first sliding slots 33, the second sliding slot 34 extends in a left-right direction, the first sliding slot 33 and the second sliding slot 34 are disposed on the car body 10, a first roller 31 and a second roller 32 arranged in the front-back direction are disposed at a bottom of each of the clamping arms 30, wherein the first roller 31 and the second roller 32 disposed on the same clamping arm 30 are both engaged with the first sliding slot 33 corresponding to the clamping arm 30, and the second sliding slot 34 is engaged with the second roller 32 corresponding to the clamping arm 30, each clamping arm 30 is hinged with a driving arm 35 at a position coaxial with the first roller 31 thereon, and the two driving arms 35 are connected with the same driving motor 36 through a transmission mechanism.

The two first sliding grooves 33 are communicated with each other to form a third sliding groove 38.

The driving motor 36 is fixedly connected to a support 313, and the support 313 is slidably connected to the guide rail 37.

The difference between the second embodiment and the first embodiment is mainly that the two first sliding grooves 33 are communicated with each other to form a third sliding groove 38, the front end and the rear end of the third sliding groove 38 are respectively communicated with one second sliding groove 34, and the third sliding groove 38 and the two second sliding grooves 34 form a C-shaped sliding groove together. The driving motor 36 is fixed on the support 313, and the support 313 is slidably connected with the guide rail 37.

In the second embodiment, when the tire clamping device is used specifically, the driving motor 36 acts to drive the two driving arms 35 to approach each other, the second roller 32 on the clamping arm 30 slides into the third chute 38 from the second chute 34, the folded clamping arm 30 rotates forward 90 degrees around the first roller 39 as an axis, under the action of the C-shaped chute, the clamping arm 30 is unfolded, then, in the process that the two clamping arms 30 approach each other, one of the clamping arms 30 first contacts the tire and then stops, and as the support 313 is connected with the guide rail 37 in a sliding manner, the friction force of the support 313 is far smaller than the resistance force of the clamping arm 30, so that the support 313 moves toward one side of the clamping arm 30 until the other clamping arm 30 contacts the tire, and then the two clamping arms 30 clamp the tire.

To sum up, with the help of the above technical scheme of the utility model, receipts are closed after the arm lock can be buckled, rational in infrastructure, simple and practical, and stability is good.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A embrace and press from both sides device for AGV dolly, includes can follow the mutual approaching of fore-and-aft direction and two arm lock (30) of keeping away from, its characterized in that, every arm lock (30) all with corresponding first spout (33) sliding connection, first spout (33) extend along the fore-and-aft direction, every first spout (33) is keeping away from another one end intercommunication of first spout (33) has second spout (34), second spout (34) extend along left right direction, first spout (33) with second spout (34) all set up on automobile body (10), the bottom of every arm lock (30) all is provided with first gyro wheel (31) and second gyro wheel (32) of arranging along the fore-and-aft direction, wherein, set up on same arm lock (30) first gyro wheel (31) with second gyro wheel (32) all cooperate with the first spout (33) that this arm lock (30) corresponds, the second sliding groove (34) is matched with the corresponding second roller (32) on the clamping arm (30), each clamping arm (30) is hinged with a driving arm (35) at a position coaxial with the first roller (31) on the clamping arm, and the two driving arms (35) are connected with the same driving motor (36) through a transmission mechanism.

2. A clamping device for an AGV trolley according to claim 1, characterised in that the driving arm (35) is slidably connected to a guide rail (37) arranged on the car body (10), said guide rail (37) extending in a front-rear direction.

3. Clamping device for AGV carriages according to claim 2, characterised in that the transmission is a ball screw pair comprising a screw, each nut being fixedly connected to one of the driving arms (35), and two nuts arranged on the screw, the screw extending in the front-rear direction and being fixedly connected to the motor shaft of the driving motor (36).

4. The clamping device for an AGV trolley according to claim 3, characterised in that the drive motor (36) is fixedly connected to the trolley body (10).

5. A clamping device for AGV according to claim 3, wherein said first chutes (33) are connected to each other to form a third chute (38).

6. A clamping device for an AGV according to claim 5, wherein said drive motor (36) is fixedly attached to a mount (313), and said mount (313) is slidably attached to said guide rail (37).

7. Clamping device for AGV carriages according to claim 1, characterised in that each of the driving arms (35) is hinged at its left and right ends with a clamping arm (30).

8. The clamping device for AGV according to claim 1, wherein each of said clamping arms (30) is provided with a first roller (39) and a second roller (310), said first roller (39) and said second roller (310) are vertically disposed, said first roller (39) is rotatably connected to said first roller (31) and said clamping arm (30), said first roller (39) is fixedly connected to said driving arm (35), and said second roller (310) is fixedly connected to said clamping arm (30) and said second roller (32).

9. The clamping device for AGV carts of claim 1 wherein the bottom of the second roller (32) is lower than the bottom of the first roller (31).

10. The clamping device for an AGV trolley according to claim 9, characterised in that the inner wall of the junction of the first chute (33) and the second chute (34) is provided with an arc-shaped guide plate (311), said guide plate (311) cooperating with the second roller (32).