CN215477990U

CN215477990U - Switching positioning device

Info

Publication number: CN215477990U
Application number: CN202121204312.6U
Authority: CN
Inventors: 陶文彪
Original assignee: China Express Jiangsu Technology Co Ltd
Current assignee: China Express Jiangsu Technology Co Ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-01-11
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses switching positioning equipment which comprises a switching centering device and a tray frame, wherein the switching centering device comprises a plurality of floating ball structures and a plug pin structure, and each floating ball structure comprises a floating ball with an exposed upper part and capable of universally rotating; the bolt structure comprises a first bolt, and the first bolt extends upwards; the bottom of the tray frame is provided with a first positioning hole, the bottom of the tray frame is arranged on the floating ball and can move on the floating ball, and the first positioning hole is arranged corresponding to the first bolt; the first bolt and/or the first positioning hole are/is also provided with a guide surface, the guide surface is in a frustum shape gradually enlarged from top to bottom, and the guide surface provides guidance for the first bolt to be inserted into the first positioning hole from the lower part. The switching positioning equipment can be automatically positioned, the tray frame does not need to have a floating function, the structure and the thickness of the tray frame are facilitated to be simplified, and assembly production and cost reduction are facilitated.

Description

Switching positioning device

Technical Field

The utility model relates to the technical field of automatic production lines, in particular to a switching positioning device.

Background

In modern manufacturing plants, there are a large number of large-scale automated transport devices for transferring workpieces between various stations, and in order to increase the flexibility, the workpieces are usually placed on a floating pallet frame, through which the flow is transferred between the stations. During the transfer process, a transfer link of the carrier of the floating tray rack with the workpiece is involved, for example, the workpiece on the floating tray rack needs to be transferred from the AGV trolley to the sling. The transfer between different carrying devices needs to be performed with positioning and centering operation, so that the floating tray frame is prevented from moving and falling due to inaccurate positioning in the transfer process.

In the prior art, the centering operation during switching is mainly realized by floating adjustment of a floating tray frame, and equipment or a mechanism for fixing the floating tray frame does not have a centering function, so that a large number of floating tray frames need to be arranged, the floating trays comprise floating discs, object dragging discs and the like, the structure is complex and difficult to maintain, and the workpiece is lifted due to thick thickness, so that the assembly production is not facilitated; moreover, the floating alignment function of the floating tray frame is only used for switching, and the function is in an idle state in other assembly procedures, so that the switching scheme is not favorable for achieving the highest cost performance of equipment utilization.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide the transfer positioning equipment which can automatically position, does not need the floating function of the tray frame, is favorable for simplifying the structure and the thickness of the tray frame, and is further favorable for assembly production and cost reduction.

The purpose of the utility model is realized by adopting the following technical scheme:

a switching positioning device comprises a switching centering device and a tray frame,

the switching centering device comprises a plurality of floating ball structures and a plug pin structure, wherein each floating ball structure comprises a floating ball with an exposed upper part and capable of universally rotating; the bolt structure comprises a first bolt, and the first bolt extends upwards;

the bottom of the tray frame is provided with a first positioning hole, the bottom of the tray frame is arranged on the floating ball and can move on the floating ball, and the first positioning hole is arranged corresponding to the first bolt;

the first bolt and/or the first positioning hole are/is also provided with a guide surface, the guide surface is in a frustum shape gradually enlarged from top to bottom, and the guide surface provides guidance for the first bolt to be inserted into the first positioning hole from the lower part.

Furthermore, the guide surface is arranged at the top end of the first bolt, and the diameter of the guide surface is smaller than that of the first positioning hole.

Further, the height of the first bolt is greater than that of the floating ball.

Furthermore, the bolt structure also comprises a second bolt and a driver, the second bolt extends upwards, and the driver provides driving force for the second bolt to move up and down; the bottom of the tray frame is also provided with a second positioning hole corresponding to the second bolt; the second bolt can be inserted into or separated from the second positioning hole under the driving of the driver.

Furthermore, the switching centering device also comprises a base, and the floating ball structure and the bolt structure are arranged on the base.

Furthermore, the base comprises a plurality of sub-bases which are distributed along the symmetrical line at intervals in a bilateral symmetry mode, and each sub-base is provided with at least one floating ball structure and the first bolt.

Further, there are at least two of the sub-seats, on which the second bolt and the driver are also arranged.

Furthermore, the upper end of each sub-seat is bent towards the direction of the symmetry line, and the first bolt and the floating ball are positioned at the upper end of the sub-seat; the interval between the lower ends of the two bilaterally symmetrical sub-seats is larger than the left width and the right width of the tray frame.

Further, the tray frame comprises a bracket body and an upper positioning pin, the bracket body is of a single-layer structure, the upper positioning pin is arranged on the upper surface of the bracket body, and the first positioning hole is formed in the lower surface of the bracket body.

Furthermore, the floating ball structure further comprises a floating ball seat, wherein a rotating hole with an upward opening is formed in the floating ball seat, the floating ball is installed in the rotating hole, a part of the floating ball is exposed out of the opening, and the floating ball can rotate universally in the rotating hole.

One or more technical schemes provided by the utility model at least have the following technical effects or advantages:

the transfer centering device and the tray frame are inserted into the first positioning hole through the first bolt to realize inserting positioning, and the position of the tray frame is kept at a proper position; before the first bolt is successfully inserted into the first positioning hole, the problem of centering adjustment is also faced, and the floating tray in the floating tray frame is moved to a position under the driving of a motor so as to be centered in the prior art. The existing floating tray frame is abandoned, and a floating ball and a guide surface are matched, wherein the floating ball rotating universally reduces friction force, so that the tray frame placed on the floating ball can be conveniently adjusted in position in the horizontal direction; the frustum shape that the direction of reunion orientation enlarges downwards gradually, as long as when placing the tray frame, first bolt and first locating hole aim at the contact in the great frustum shape department of area, need not the two coaxial completely, under the effect of tray frame dead weight, first bolt and first locating hole just can slide to the axis direction along the direction of orientation gradually to realize the effect in first bolt inserts first locating hole completely, whole centering process need not extra power and drives.

Therefore, in the in-service use, set up the switching centering device at the switching point can, a large amount of trays that circulate between different stations need not to be equipped with floating tray and motor isotructure, be equipped with first locating hole can, can greatly refine and simplify tray frame, reduce the thickness of tray frame so that produce the line operation assembly, therefore can greatly reduce the cost of purchasing, maintaining and maintaining floating tray frame, be favorable to using in batches.

Drawings

Fig. 1 is a left side view schematically illustrating a tray rack of a transfer positioning apparatus of the present invention when the tray rack is not yet in contact with the transfer positioning device;

fig. 2 is a schematic front view of a tray rack of a transfer positioning apparatus of the present invention, which is not yet in contact with the transfer positioning device;

FIG. 3 is a schematic view of a first embodiment of the present invention when a first pin and a first positioning hole are to be inserted;

FIG. 4 is a schematic view of a second embodiment of the present invention, wherein the first pin and the first positioning hole are to be inserted;

FIG. 5 is a schematic top view of a transition positioning apparatus of the present invention;

in the figure, 1-switching centering device, 11-floating ball structure, 111-floating ball, 112-floating ball seat, 12-bolt structure, 121-first bolt, 122-second bolt, 123-driver, 13-sub seat, 2-tray frame, 21-first positioning hole, 22-bracket body, 23-upper positioning pin, 3-guide surface,

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

It will be understood that when an element is referred to as being "secured 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 be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Fig. 1 to 5 show a transfer positioning apparatus of the present invention, which includes a transfer centering device 1 and a pallet frame 2, wherein the transfer centering device 1 is mainly used for providing a floating centering function, and the pallet is used for carrying a workpiece and matching with the transfer centering device 1 to complete centering. The method comprises the following specific steps:

the switching centering device 1 comprises a plurality of floating ball structures 11 and a plug pin structure 12, wherein each floating ball structure 11 comprises a floating ball 111 which is exposed at the upper part and can rotate universally; the plug pin structure 12 comprises a first plug pin 121, and the first plug pin 121 extends upwards to be inserted into the first positioning hole 21;

the bottom of the tray frame 2 is provided with a first positioning hole 21, the bottom of the tray frame 2 is arranged on the floating ball 111 and can move on the floating ball 111, the first positioning hole 21 and the first plug pin 121 are correspondingly arranged, and after the first plug pin 121 is inserted into the first positioning hole 21, the tray frame 2 completes positioning and centering actions on the transfer positioning equipment;

the first plug pin 121 and/or the first positioning hole 21 are further provided with a guide surface 3, and the guide surface 3 is in a frustum shape gradually enlarged from top to bottom, so as to provide guidance for the first plug pin 121 to be inserted into the first positioning hole 21 from below.

The transfer centering device 1 and the tray frame 2 are inserted into the first positioning hole 21 through the first bolt 121 to realize inserting positioning, and the position of the tray frame 2 is kept at a proper position; before the first latch 121 is successfully inserted into the first positioning hole 21, the problem of centering adjustment is faced, and the floating tray in the floating tray frame 2 is driven by a motor to move to a position so as to be centered in the prior art. In the application, the existing floating tray frame 2 is abandoned, and a mode of matching the floating ball 111 with the guide surface 3 is adopted, wherein the floating ball 111 rotating universally reduces the friction force, so that the tray frame 2 placed on the floating ball can be conveniently adjusted in position in the horizontal direction; the frustum shape that has the convergence is enlarged downwards gradually to the plane of jointer 3, as long as when placing tray frame 2, first bolt 121 and first locating hole 21 aim at the contact in the great frustum shape department of area, need not the two and coaxial completely, under the effect of tray frame 2 dead weight, first bolt 121 and first locating hole 21 just can slide to the axis direction along plane of jointer 3 gradually, thereby realize the effect in first bolt 121 inserts first locating hole 21 completely, whole centering process need not extra power and drives.

In the in-service use, set up switching centering device 1 at the switching point can, a large amount of trays that circulate between different stations need not to be equipped with floating tray and motor isotructure, be equipped with first locating hole 21 can, not only can greatly retrench tray frame 2, reduce the thickness of tray frame 2 so that produce the line operation assembly, can also greatly reduce the cost of purchasing floating tray frame 2, be favorable to using in batches.

In the arrangement of the guide surface 3, the present embodiment provides two preferable solutions, one of which is as shown in fig. 3, when the guide surface 3 is arranged on the first positioning hole 21, it is preferably arranged at the lower port of the first positioning hole 21, the upper end of the guide surface 3 is directly communicated upwards, and the upper end of the first plug 121 can slide in along the guide surface 3 until being completely inserted into the first positioning hole 21, so that the tray frame 2 no longer translates.

As shown in fig. 4, the guide surface 3 is disposed at the top end of the first plug pin 121, and the diameter of the guide surface 3 is smaller than the diameter of the first positioning hole 21. The first pin 121 of this shape has a small diameter at the top end and is thus easily aligned so that the tip of the top can slide in by gravity as long as it is within the range of the first positioning hole 21. Furthermore, the lower end of the first positioning hole 21 and the upper end of the first pin 121 may be provided with a guide surface 3 for optimal guiding.

In order to better exert the floating adjustment function of the floating ball 111, the height of the first pin 121 is greater than that of the floating ball 111, when the tray frame 2 is placed on the transfer centering device 1, the first positioning hole 21 and the first pin 121 are roughly aligned, so that the two are firstly contacted on the guide surface 3, are initially placed stably, and then are contacted with the floating ball 111 to achieve the position adjustment function.

In practical use, in order to ensure that the first plug pin 121 can be inserted into the first positioning hole 21, the outer diameter of the first plug pin 121 is suitably smaller than the first positioning hole 21, and there is a possibility of shaking if the first plug pin 121 and the first positioning hole are inserted and positioned only by the two, therefore, in this embodiment, it is preferable that the plug pin structure 12 further includes a second plug pin 122 and a driver 123, the second plug pin 122 protrudes upwards, and the driver 123 provides a driving force for the second plug pin 122 to move upwards and downwards; a second positioning hole (not shown in the figure) corresponding to the second bolt 122 is further formed at the bottom of the tray frame 2; the second pin 122 can be driven by the driver 123 to be inserted into or separated from the second positioning hole, and after the first pin 121 is completely inserted into the first positioning hole 21, the driver 123 drives the second pin 122 to move upwards so as to be inserted into the second positioning hole, so as to play a role in auxiliary positioning; after the transfer is completed, the second pin 122 is driven to move downward to leave the second positioning hole. The structure further ensures the positioning accuracy, and meanwhile, the tray frame 2 is only required to be additionally provided with holes without other complex structures.

Preferably, switching centering device 1 still includes the base, floater structure 11 and latch structure 12 are located on the base, the base can be found subaerially for support floater structure 11 and latch structure 12 and leave ground, the subaerial AGV dolly of being convenient for walking.

As a further preferable scheme of the base, the base comprises a plurality of sub-bases 13, the sub-bases 13 are distributed along the symmetrical line at intervals in a left-right symmetrical manner, and the plurality of sub-bases 13 are separately arranged, so that the sub-bases 13 do not interfere with each other, even if the floor area is reduced, the base is more convenient to maintain; each sub-seat 13 is provided with at least one floating ball structure 11 and the first pins 121, and the supporting effect can be more uniformly realized by combining a symmetrical distribution mode.

The second bolt 122 and the driver 123 have at least two further positioning functions, the second bolt 122 and the driver 123 are further arranged on the sub-base 13, and the two sub-bases 13 are preferably provided with the second bolt 122 and the driver 123, so that a good positioning effect can be achieved.

In terms of the specific shape of the sub-base 13, the upper end of each sub-base 13 is bent toward the symmetry line, and the first pin 121 and the floating ball 111 are located at the upper end of the sub-base 13; the interval between the lower ends of the two bilaterally symmetrical sub-seats 13 is larger than the left width and the right width of the tray frame 2, the tray frame 2 can be supported by the shape, and a space for an AGV (automatic guided vehicle) larger than the tray frame 2 can pass through can be formed between the two rows of sub-seats 13.

The tray frame 2 in this embodiment can be used by forming a first positioning hole 21 and a second positioning hole on the basis of the existing floating tray frame 2, and can also be used by adopting a simpler structure, the present embodiment provides a preferable tray frame 2, which includes a tray body 22 and an upper positioning pin 23, the tray body 22 is of a single-layer structure and no longer has a floating tray layer, the upper positioning pin 23 is arranged on the upper surface of the tray body 22 and is used for fixing a workpiece, the first positioning hole 21 is formed on the lower surface of the tray body 22, the tray frame 2 is simple, the thickness of the existing floating tray frame 2 is at least 320mm, the height of the workpiece (such as a vehicle body) placed on the tray frame is at least 600mm, and the preferable height is about 500mm, and when the height is exceeded, an operator cannot easily stand on the ground to operate the inside of the vehicle body, and needs to repeatedly climb, increasing the difficulty of manufacture and the workload of the operator. The tray frame 2 in the embodiment adopts a single-layer structure, the thickness of the tray frame can be reduced by about 120mm, the height of a vehicle body placed on the tray frame 2 is smaller than 500mm, the height is convenient for operators to operate, and the production and manufacturing efficiency can be greatly improved. In order to further improve the simplicity of the tray frame 2, in this embodiment, the second positioning hole is preferably formed in the bottom of the upper positioning pin 23, that is, the top end of the upper positioning pin 23 is in a pin shape, and the bottom end of the upper positioning pin 23 is in a hollow shape, so as to take the functions of the pin and the pin hole into consideration, and when the second pin 122 is inserted into the second positioning hole, that is, the second pin 122 is inserted into the upper positioning pin 23 from the bottom of the upper positioning pin 23. Due to the structure, a hole position does not need to be formed in the bracket body 22, the upper positioning pin 23 and the second positioning hole can be machined out at one time during manufacturing, the efficiency is higher, and the machining difficulty is lower.

In addition, the floating ball structure 11 in this embodiment preferably further includes a floating ball seat 112, a rotating hole which is opened upward is formed in the floating ball seat 112, the floating ball 111 is installed in the rotating hole, a part of the floating ball 111 is exposed from the opening, the floating ball 111 can rotate universally in the rotating hole, and the floating ball structure 11 can well prevent the floating ball 111 from slipping out, and can also ensure good rotation performance.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A switching positioning device is characterized by comprising a switching centering device and a tray frame,

2. The transfer positioning apparatus of claim 1, wherein the guide surface is disposed at a top end of the first pin, the guide surface having a diameter smaller than a diameter of the first positioning hole.

3. The transfer positioning apparatus of claim 1, wherein the height of the first pin is greater than the height of the float ball.

4. The transit positioning apparatus of any of claims 1 to 3, wherein the latch structure further comprises a second latch extending upward and an actuator providing a driving force for the second latch to move up and down; the bottom of the tray frame is also provided with a second positioning hole corresponding to the second bolt; the second bolt can be inserted into or separated from the second positioning hole under the driving of the driver.

5. The transfer positioning apparatus of claim 4, wherein the transfer centering device further comprises a base, and the floating ball structure and the latch structure are disposed on the base.

6. The transfer positioning apparatus of claim 5, wherein the base comprises a plurality of sub-bases, the sub-bases are symmetrically spaced apart from each other along a symmetry line, and each sub-base is provided with at least one floating ball structure and the first pin.

7. The transit positioning apparatus of claim 6, wherein there are at least two of said sub-mounts further having said second latch and said actuator disposed thereon.

8. The transfer positioning apparatus of claim 7, wherein the upper end of each sub-mount is bent toward the symmetry line, and the first pin and the floating ball are located at the upper end of the sub-mount; the interval between the lower ends of the two bilaterally symmetrical sub-seats is larger than the left width and the right width of the tray frame.

9. The transfer positioning apparatus according to any one of claims 1 to 3, wherein the tray rack comprises a tray body and an upper positioning pin, the tray body is of a single-layer structure, the upper positioning pin is arranged on the upper surface of the tray body, and the first positioning hole is opened on the lower surface of the tray body.

10. The transfer positioning apparatus of any of claims 1 to 3, wherein the float ball structure further comprises a float seat, the float seat defining a rotation hole opened upward, the float ball being mounted in the rotation hole with a portion thereof exposed from the opening, the float ball being capable of universal rotation in the rotation hole.