CN219750928U - Trolley positioning structure and conveying chain positioning device - Google Patents

Abstract

The utility model discloses a trolley positioning structure and a conveying chain positioning device, which comprise a triggering mechanism, a supporting plate, a connecting rod mechanism and a travel switch, wherein the triggering mechanism is rotationally connected with a conveying guide rail; the support plate is provided with a movable groove, the connecting rod mechanism penetrates through the movable groove and can slide along the extending direction of the movable groove, one end of the connecting rod mechanism is rotationally connected with the trigger mechanism, the carrying trolley slides along the conveying guide rail, and the touch block can push the trigger mechanism to rotate so as to drive the other end of the connecting rod mechanism to push the trigger section of the travel switch to rotate. According to the utility model, the trigger mechanism is contacted with the carrying trolley to trigger the travel switch, and the trigger mechanism pushes the trigger section of the travel switch through the transmission action of the connecting rod mechanism, so that the travel switch can be arranged far away from the conveying guide rail, the travel switch is prevented from being influenced by dirt sources or dust in the carrying trolley conveying environment, the service life is further prolonged, the failure rate is effectively reduced, and the operation stability is improved.

Description

Trolley positioning structure and conveying chain positioning device

Technical Field

The utility model relates to the technical field of positioning of conveying chain carrying trolleys, in particular to a trolley positioning structure and a conveying chain positioning device.

Background

At present, an automatic carrying conveying chain for a carrying trolley on a production line is widely used, and in order to accurately position the carrying trolley in the carrying process, an inductive switch is generally required to be added to position the carrying trolley in real time so as to ensure that the carrying trolley is transported in real time according to design logic.

The photoelectric induction in the prior art adopts a laser emission or reflection mode to induce the carrying trolley, when the carrying trolley is shaded, the carrying trolley is positioned to trigger feedback, the carrying trolley is difficult to be used for conveying complex environment conditions (dirt sources including VOC and the like, dust accumulation and the like), the travel switch induction adopts a travel switch mode to record positioning positions, switch components and parts belong to precise instruments, a conveying chain often contains impurities including greasy dirt and the like, the impurities enter the switch after long-term use, the switch is damaged, the failure rate is high, and the operation is not easy to stabilize.

Therefore, it is necessary to provide a new trolley positioning structure and a conveying chain positioning device to solve the above technical problems.

Disclosure of Invention

The utility model mainly aims to provide a trolley positioning structure, which aims to solve the problems of high fault rate and low operation stability of the trolley positioning structure caused by the fact that impurities enter the inside of a switch in the prior art.

In order to achieve the above purpose, the trolley positioning structure provided by the utility model is used for positioning a carrying trolley on a conveying guide rail, wherein a touch block is arranged on the carrying trolley, the trolley positioning structure comprises a triggering mechanism, a supporting plate, a connecting rod mechanism and a travel switch, and the triggering mechanism is rotationally connected with the conveying guide rail; the support plate is provided with a movable groove, the connecting rod mechanism penetrates through the movable groove and can slide along the extending direction of the movable groove, one end of the connecting rod mechanism is rotationally connected with the trigger mechanism, the carrying trolley slides along the conveying guide rail, and the touch block can push the trigger mechanism to rotate so as to drive the other end of the connecting rod mechanism to push the trigger section of the travel switch.

Optionally, trigger mechanism is including touching section and the switching section that is the contained angle setting, touch the junction of section and switching section with the transportation guide rotates to be connected, touch the section be used for with carry on the platform truck butt, switching section with link mechanism rotates to be connected.

Optionally, one end of the touch section away from the switching section is provided with a touch head, and the outer side surface of the touch head is in arc-shaped arrangement.

Optionally, the thickness of the touch head is greater than the thickness of the touch block.

Optionally, the trolley positioning mechanism further comprises a mounting seat, and a rotating shaft is arranged on the mounting seat; the connecting rod mechanism comprises a connecting rod and a swinging rod, the swinging rod is rotationally connected with the rotating shaft, the connecting rod penetrates through the movable groove, one end of the connecting rod is rotationally connected with the connecting section, and the other end of the connecting rod is rotationally connected with the swinging rod.

Optionally, a docking slot is arranged at one end of the swing rod far away from the connecting rod, and the trigger section of the travel switch extends into the docking slot.

Optionally, the trolley positioning structure further comprises a reset mechanism, the reset mechanism comprises a first limiting rod, a second limiting rod and a reset piece, the first limiting rod is connected with the swing rod, the second limiting rod is connected with the mounting seat, the reset piece is sleeved on the rotating shaft, and the reset piece is abutted between the swing rod and the mounting seat.

In addition, the utility model also provides a conveying chain positioning device which comprises a conveying chain and a plurality of trolley positioning structures, wherein the conveying chain comprises the conveying guide rail, a plurality of operation points are arranged on the conveying guide rail, and the number of travel switches is consistent with the number of the operation points and is in one-to-one correspondence with the number of the operation points.

Optionally, the conveying guide rail includes guide rail main part and a plurality of horizontal mount pad, the guide rail main part is used for carrying the article, horizontal mount pad with the guide rail main part is connected, the quantity of horizontal mount pad with the quantity of operating point is unanimous and one-to-one sets up, horizontal mount pad with trigger mechanism rotates to be connected.

Optionally, the conveying chain further comprises a plurality of carrying platforms, the carrying platforms are in sliding connection with the guide rail main body, and the carrying platforms are used for carrying materials.

In the technical scheme of the utility model, the trolley positioning structure comprises a triggering mechanism, a supporting plate, a connecting rod mechanism and a travel switch, wherein the triggering mechanism is rotationally connected with a conveying guide rail; the support plate is provided with a movable groove, the connecting rod mechanism penetrates through the movable groove and can slide along the extending direction of the movable groove, one end of the connecting rod mechanism is rotationally connected with the trigger mechanism, and when the carrying trolley passes through the trigger mechanism, the touch block pushes the trigger mechanism to rotate so as to drive the other end of the connecting rod mechanism to push the trigger section of the travel switch to rotate. When the carrying trolley passes through the trigger mechanism, the touch block pushes the trigger mechanism to rotate, meanwhile, the trigger mechanism drives the link mechanism to push the trigger section of the travel switch to trigger the travel switch, the link mechanism slides along the movable groove, and the support plate plays a supporting role on the link mechanism to ensure the stability of the link mechanism, so that the position of the carrying trolley on the conveying guide rail is positioned. According to the utility model, the trigger mechanism is contacted with the carrying trolley to trigger the travel switch, and the trigger mechanism pushes the trigger section of the travel switch through the transmission action of the connecting rod mechanism, so that the travel switch can be arranged far away from the conveying guide rail, the travel switch is prevented from being influenced by dirt sources or dust in the carrying trolley conveying environment, the service life is further prolonged, the failure rate is effectively reduced, and the operation stability is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a positioning structure of a trolley according to an embodiment of the present utility model;

fig. 2 is a schematic view of another angle of the positioning structure of the trolley according to the embodiment of the present utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The utility model provides a trolley positioning structure, which aims to solve the problems of high fault rate and low operation stability of the trolley positioning structure caused by the fact that impurities in the existing trolley positioning structure enter a switch.

As shown in fig. 1 and 2, the carriage positioning structure 100 includes a trigger mechanism 10, a support plate 20, a link mechanism 30, and a travel switch 50, the trigger mechanism 10 being rotatably connected with a conveying rail 200; the support plate 20 is provided with a movable groove 21, the link mechanism 30 passes through the movable groove 21 and can slide along the extending direction of the movable groove 21, one end of the link mechanism 30 is rotationally connected with the trigger mechanism 10, the carrying trolley slides along the conveying guide rail 200, and the touch block can push the trigger mechanism 10 to rotate so as to drive the other end of the link mechanism 30 to push the trigger section of the travel switch 50 to rotate. When the carrying trolley passes through the triggering mechanism 10, the triggering block pushes the triggering mechanism 10 to rotate, meanwhile, the triggering mechanism 10 drives the connecting rod mechanism 30 to push the triggering section of the travel switch 50 to trigger the travel switch 50, the connecting rod mechanism 30 slides along the movable groove 21, and the supporting plate 20 supports the connecting rod mechanism 30 to ensure the stability of the connecting rod mechanism 30, so that the position of the carrying trolley on the conveying guide rail 200 is positioned. According to the utility model, the trigger mechanism 10 is contacted with the carrying trolley to trigger the travel switch 50, and the trigger mechanism 10 pushes the trigger section of the travel switch 50 through the transmission action of the link mechanism 30, so that the travel switch 50 can be arranged far away from the conveying guide rail 200, the travel switch 50 is prevented from being influenced by dirt sources or dust in the carrying trolley conveying environment, the service life is further prolonged, the failure rate is effectively reduced, and the operation stability is improved. The travel switch 50 is arranged far away from the conveying guide rail 200, so that an operator can observe the action condition of the travel switch 50 outside, grasp the real-time operation dynamics of equipment, maintain outside conveniently, avoid the operator from drilling into a narrow equipment space, and reduce the maintenance operation difficulty.

The movable groove 21 may be a waist-shaped groove. The movable groove 21 is arranged along the horizontal direction, the movable groove 21 and the trigger mechanism 10 are positioned at the same height, the movable groove 21 adopts a waist-shaped groove to provide a guiding effect for the connecting rod 31, and the connecting rod 31 can be limited to be positioned at the same height as the trigger mechanism 10, so that one end, connected with the connecting rod 31, of the swing rod 32 is ensured to be fixed at the same height, and the swing rod 32 and the travel switch 50 are prevented from interfering when the carrying trolley does not pass through the trigger mechanism 10, thereby influencing the normal operation of the trolley positioning structure 100.

Based on the above embodiment, the triggering mechanism 10 includes a touching section 11 and a switching section 12 that are disposed at an included angle, the connection between the touching section 11 and the switching section 12 is rotationally connected with the conveying rail 200, the touching section 11 is used for abutting against the carrying trolley, and the switching section 12 is rotationally connected with the link mechanism 30. When the carrying trolley passes through the triggering mechanism 10, the touch block pushes the touch section 11 to drive the transfer section 12 to rotate, so that the transfer section 12 drives the link mechanism 30 to rotate to trigger the travel switch 50, the travel switch 50 detects that the carrying trolley is in place, the carrying trolley positioning function on the conveying guide rail 200 is realized, the structure is simple, and the transmission efficiency is high. The included angle between the touch section 11 and the transfer section 12 can be 30 degrees, 45 degrees, 90 degrees or 120 degrees and the like which are smaller than 180 degrees, only the fact that the touch block can not interfere with the transfer section 12 when the carrying trolley passes through the triggering mechanism 10 is guaranteed, wherein the included angle between the touch section 11 and the transfer section 12 is preferably 90 degrees, the touch section 11 and the transfer section 12 are arranged at the included angle of 90 degrees, and when the touch block pushes the touch section 11 to drive the transfer section 12 to rotate, the fact that the transfer section 12 can drive the connecting rod mechanism 30 to trigger the travel switch 50 is guaranteed, transmission requirements can be met, space can be saved, and interference with surrounding components is avoided.

Specifically, a touch head 111 is disposed at one end of the touch section 11 far away from the adapting section 12, and an outer side surface of the touch head 111 is arc-shaped. When carrying on the platform truck and driving the touching piece and pass through the dog structure, touching the lateral surface butt of piece and touching head 111 in order to promote touching head 111, touching head 111's the outside personally submits the arc setting and can avoid touching piece and touching head 111's hard collision effectively, prevents to block, guarantees the smoothness nature of carrying on the platform truck transportation, is favorable to reducing the wearing and tearing of spare part to increase life. The contact 111 may be constructed of high strength steel to enhance the durability of the contact 111.

In one embodiment, the thickness of the touch 111 is greater than the thickness of the touch pad. When the touch block passes through the triggering mechanism 10, the touch block is abutted with the touch head 111 to push the touch section 11 to drive the switching section 12 to rotate, the thickness of the touch head 111 is larger than that of the touch block, so that the touch block can be fully abutted with the touch head 111 when the touch block passes through the triggering mechanism 10, the incapability of triggering caused by dislocation is avoided, and the reliability of a triggering process is ensured.

Further, the trolley positioning mechanism further comprises a mounting seat 40, and a rotating shaft 41 is arranged on the mounting seat 40; the link mechanism 30 comprises a connecting rod 31 and a swing rod 32, and the swing rod 32 is rotationally connected with a rotating shaft 41; the connecting rod 31 passes through the movable groove 21, one end of the connecting rod 31 is rotationally connected with the connecting section, and the other end of the connecting rod 31 is rotationally connected with the swing rod 32. One end of the swing rod 32 is connected with the connecting rod 31, the connecting rod 31 is kept horizontally arranged, and the other end of the swing rod 32 is in butt joint with the travel switch 50. When the carrying trolley passes through the triggering mechanism 10, the triggering mechanism 10 is pushed to rotate by the touch block, the triggering mechanism 10 pulls the connecting rod 31 to drive the swing rod 32 to rotate around the rotating shaft 41 to trigger the travel switch 50, the mounting seat 40 provides a platform for the butt joint of the travel switch 50 and the link mechanism 30, and the stability of the butt joint of the link mechanism 30 and the travel switch 50 is improved. When the trigger mechanism 10 is pushed to rotate by the touch block, the trigger mechanism 10 drives the connecting rod 31 to slide along the movable groove 21, the connecting rod 31 drives the swing rod 32 to rotate, and meanwhile, the inner wall of the abutting groove 321 pushes the trigger end of the travel switch 50 to rotate, so that the travel switch 50 is triggered, the trigger mechanism 10 triggers the travel switch 50 through the link mechanism 30, so that the travel switch 50 is far away from the conveying environment of the carrying trolley, the damage of an internal structure caused by the influence of dirt sources or dust in the environment on the travel switch 50 is avoided, the failure rate is effectively reduced, and the link mechanism 30 is simple in structure, high in transmission efficiency and high in stability. The length of the connecting rod 31 determines the distance between the travel switch 50 and the conveying guide rail 200, so that the travel switch 50 can be far away from a dirt source or dust in the conveying environment of the carrying trolley, and the dirt source or dust is prevented from entering the travel switch 50.

Further, a docking slot 321 is provided at an end of the swing link 32 away from the connecting rod 31, and the trigger section of the travel switch 50 extends into the docking slot 321. The butt joint groove 321 is an arc-shaped groove, the travel switch 50 comprises a switch main body and a trigger end, the trigger end is rotationally connected with the switch main body, a round corner is arranged at one end of the trigger end far away from the switch main body, and when the swing rod 32 pushes the trigger end, the inner wall of the butt joint groove 321 is attached to the round corner wall surface of the trigger end, so that the contact area between the butt joint groove 321 and the trigger end is increased; the one end that pendulum rod 32 kept away from connecting rod 31 is equipped with the cambered surface, and the cambered surface sets up according to the rotation orbit of pendulum rod 32, can dodge travel switch 50 effectively, prevents that pendulum rod 32 and other parts of travel switch 50 from taking place to interfere.

In addition, the trolley positioning structure 100 further comprises a reset mechanism 60, the reset mechanism comprises a first limiting rod 61, a second limiting rod 62 and a reset piece 63, the first limiting rod 61 is connected with the swing rod 32, the second limiting rod is connected with the mounting seat 40, the reset piece 63 is sleeved on the rotating shaft 41, and the reset piece 63 is abutted between the swing rod 32 and the mounting seat 40. The reset member 63 extends radially outward of the shaft 41 to form two abutment arms, one of which abuts against the first stopper rod 61 and the other of which abuts against the second stopper rod 62. When the touch block passes through the triggering mechanism 10, the touch head 111 pushes the triggering mechanism 10 to drive the link mechanism 30 to rotate, so that the reset piece 63 is compressed between the two abutting arms; when the touch block is separated from the triggering mechanism 10, the reset piece 63 pushes the swing rod 32 to rotate so as to drive the triggering mechanism 10 to rotate through the connecting rod 31, so that the touch head 111 is reset to the initial position, and the next carrying trolley is conveniently positioned when passing through the triggering mechanism 10.

The utility model also provides a conveying chain positioning device, which comprises a conveying chain and a plurality of trolley positioning structures 100, wherein the conveying chain comprises a conveying guide rail 200, a plurality of operation points are arranged on the conveying guide rail 200, and the number of travel switches 50 is consistent with the number of the operation points and is arranged in a one-to-one correspondence manner. The trolley positioning structure 100 on each operation point of the conveying track can feed back the information of the corresponding operation point to the PLC (Programmable Logic Controller programmable logic controller) in real time, so that the PLC can coordinate each carrying trolley on the conveying track 200, an operator can observe whether the carrying trolley on each operation point exists or not and the working procedure corresponding to the carrying trolley through the PLC, the operator can directly observe the distribution condition of the carrying trolley on all operation points on the conveying chain, and the working efficiency of the conveying chain is greatly improved.

In an embodiment, the conveying guide rail 200 includes a guide rail main body and a plurality of horizontal mounting seats 40, the guide rail main body is used for conveying the carrying trolley, the horizontal mounting seats 40 are connected with the guide rail main body, the number of the horizontal mounting seats 40 is consistent with the number of the working points and are arranged in a one-to-one correspondence manner, and the horizontal mounting seats 40 are rotatably connected with the triggering mechanism 10. The carrying trolley is slidably arranged on the guide rail main body, and the triggering mechanism 10 is rotatably arranged on the horizontal mounting seat 40, so that when the carrying trolley passes through, the touch block on the carrying trolley can push the touch head 111, and the travel switch 50 is triggered.

In an embodiment, the conveyor chain further includes a plurality of carrying platforms 300, the carrying platforms 300 are slidably connected to the rail body, and the carrying platforms 300 are used for carrying materials. The bottom of the carrying platform 300 is provided with rolling wheels which are arranged in the guide rail main body in a sliding way, the carrying trolley is provided with an operation driving piece and a conveying driving piece, the conveying driving piece is used for driving the carrying trolley to move along the guide rail main body, when the carrying trolley reaches a certain operation point, the touch block on the carrying trolley pushes the trigger mechanism 10 to trigger the travel switch 50, and the travel switch 50 is positioned on the carrying trolley on the operation point; the travel switch 50 transmits the sensing signal to the PLC, and the PLC controls the conveying driving piece on the carrying trolley to stop driving; then controlling the operation driving piece on the carrying trolley to start driving operation; after the operation is completed, the operation driving part transmits signals to the PLC, and after the PLC confirms that no carrying trolley is arranged on the operation point of the next working procedure, the conveying driving part is controlled to drive the carrying trolley to move to the operation point of the next working procedure along the conveying track, so that the coordination of the operation of a plurality of carrying platforms 300 on the conveying chain can be ensured, the effective coordination among the working procedures is realized, the waiting time is shortened, and the improvement of the operation efficiency of the conveying chain is facilitated.

Since the conveying chain positioning device includes the trolley positioning structure 100 as described above, the conveying chain positioning device has all the beneficial effects of the trolley positioning structure 100, and is not described in detail.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. The trolley positioning structure is used for positioning a carrying trolley on a conveying guide rail, and is provided with a touch block, and is characterized by comprising a trigger mechanism, a support plate, a connecting rod mechanism and a travel switch, wherein the trigger mechanism is rotationally connected with the conveying guide rail; the support plate is provided with a movable groove, the connecting rod mechanism penetrates through the movable groove and can slide along the extending direction of the movable groove, one end of the connecting rod mechanism is rotationally connected with the trigger mechanism, the carrying trolley slides along the conveying guide rail, and the touch block can push the trigger mechanism to rotate so as to drive the other end of the connecting rod mechanism to push the trigger section of the travel switch.

2. The dolly positioning structure of claim 1, wherein the triggering mechanism comprises a touch section and a switching section arranged in an included angle, the connection part of the touch section and the switching section is rotationally connected with the conveying guide rail, the touch section is used for being abutted with the carrying dolly, and the switching section is rotationally connected with the link mechanism.

3. The trolley positioning structure as claimed in claim 2, wherein a contact head is provided at an end of the contact section remote from the transfer section, and an outer side surface of the contact head is provided in an arc shape.

4. A carriage positioning structure as claimed in claim 3, wherein the thickness of the touching head is greater than the thickness of the touching block.

5. The trolley positioning structure as claimed in claim 2, wherein the trolley positioning mechanism further comprises a mounting base, and a rotating shaft is arranged on the mounting base; the connecting rod mechanism comprises a connecting rod and a swinging rod, the swinging rod is rotationally connected with the rotating shaft, the connecting rod penetrates through the movable groove, one end of the connecting rod is rotationally connected with the connecting section, and the other end of the connecting rod is rotationally connected with the swinging rod.

6. The trolley positioning structure of claim 5, wherein a docking slot is formed in an end of the swing rod away from the connecting rod, and the trigger section of the travel switch extends into the docking slot.

7. The trolley positioning structure of claim 6, further comprising a reset mechanism, wherein the reset mechanism comprises a first limit rod, a second limit rod and a reset piece, the first limit rod is connected with the swing rod, the second limit rod is connected with the mounting seat, the reset piece is sleeved on the rotating shaft, and the reset piece is abutted between the swing rod and the mounting seat.

8. A conveying chain positioning device, which is characterized by comprising a conveying chain and a plurality of trolley positioning structures according to any one of claims 1-7, wherein the conveying chain comprises a conveying guide rail, a plurality of operation points are arranged on the conveying guide rail, and the number of travel switches is consistent with the number of the operation points and is set in one-to-one correspondence.

9. The conveyor chain positioning device of claim 8, wherein the conveyor rail comprises a rail body and a plurality of horizontal mounting seats, the rail body is used for conveying objects, the horizontal mounting seats are connected with the rail body, the number of the horizontal mounting seats is consistent with the number of the operating points and is in one-to-one correspondence with the number of the operating points, and the horizontal mounting seats are rotatably connected with the triggering mechanism.

10. The conveyor chain positioning device of claim 9, wherein the conveyor chain further comprises a plurality of mounting platforms slidably coupled to the rail body, the mounting platforms being configured to mount materials.