CN219945970U

CN219945970U - Positioning and unlocking device and assembly positioning line

Info

Publication number: CN219945970U
Application number: CN202321183726.4U
Authority: CN
Inventors: 华正军; 张绪东
Original assignee: Chongqing Newson Automation Equipment Co ltd
Current assignee: Chongqing Newson Automation Equipment Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-11-03
Anticipated expiration: 2033-05-17

Abstract

The utility model provides a positioning and unlocking device and an assembly positioning line, wherein the positioning and unlocking device comprises a positioning locking mechanism and an unlocking mechanism; the positioning locking mechanism comprises a positioning seat with a positioning accommodating space, a supporting seat fixedly connected with the positioning seat, and a locking piece in sliding connection with the positioning seat, wherein the locking piece is elastically connected with the supporting seat through an elastic piece; the unlocking mechanism comprises an unlocking insert block and a driving piece for driving the unlocking insert block to move, and the driving piece drives the unlocking insert block to move so that the locking block can withdraw from the positioning accommodating space to unlock. According to the utility model, the positioning accommodating space is used for positioning the parts, and the parts are locked by the locking block and fixed in the positioning seat; the unlocking insert block is driven by the driving piece so that the locking block can withdraw from the positioning accommodating space, and unlocking is realized. The positioning unlocking device can realize automatic unlocking and locking by arranging the unlocking mechanism, does not need manual operation, and can be used for quick positioning of an automatic production line.

Description

Positioning and unlocking device and assembly positioning line

Technical Field

The utility model belongs to the technical field of component assembly, and particularly relates to a positioning and unlocking device and an assembly positioning line.

Background

In the working procedure of machining or assembling, the parts are often positioned by using a positioning device. According to actual requirements, the parts do not need to be locked after certain procedures are positioned, and the parts need to be locked after certain procedures are positioned, for example, the parts need to be horizontally moved, vertically moved, rotationally moved or pressed for processing after being positioned, and the positioned parts generally need to be locked.

CN202210938190.6 discloses a positioning and unlocking device, which realizes positioning of the jig before unlocking by arranging an unlocking groove on a supporting component and under the cooperation of a jacking component; meanwhile, the unlocking piece can drive the part to be unlocked to move in the unlocking groove, so that the jig is unlocked or locked, and automatic positioning, unlocking and locking are realized. But the structure is complex, the volume is large, and the device is not suitable for the rapid positioning and unlocking of parts and places with limited space.

CN201610842802.6 discloses a self-locking positioning device, which is inserted into a groove of a part through a pin shaft to realize positioning, and the self-locking is realized through the elastic force generated by a spring to the pin shaft. However, the automatic unlocking device needs manual unlocking, has low automation degree and cannot be applied to an automatic production line.

Disclosure of Invention

The utility model aims to solve the technical problems in the prior art, and a first object of the utility model is to provide a positioning and unlocking device. A second object of the present utility model is to provide an assembly line with the aforementioned positioning and unlocking device.

In order to achieve the first object, the present utility model adopts the following technical scheme: the positioning unlocking device comprises a positioning locking mechanism and an unlocking mechanism; the positioning locking mechanism comprises a positioning seat with a positioning accommodating space, a supporting seat fixedly connected with the positioning seat and a locking block in sliding connection with the positioning seat, wherein the locking block is elastically connected with the supporting seat through an elastic piece, and can extend into the positioning accommodating space under the elastic action of the elastic piece to realize locking; the unlocking mechanism comprises an unlocking insert block and a driving piece for driving the unlocking insert block to move, and the driving piece drives the unlocking insert block to move so that the locking piece can withdraw from the positioning accommodating space against the elastic force of the elastic piece, and unlocking is achieved.

According to the technical scheme, the parts are positioned by the positioning accommodating space of the positioning seat, and are locked by the locking block, so that the parts are fixed in the positioning seat; the unlocking insert block is driven by the driving piece so that the locking block can withdraw from the positioning accommodating space and leave the parts, and unlocking is realized. The positioning unlocking device can realize automatic unlocking and locking by arranging the unlocking mechanism, does not need manual operation, has small volume, is a quick positioning device, and can be used for quick positioning of an automatic production line.

In a preferred embodiment of the utility model, the locking piece is provided with a seat body positioned outside the positioning accommodating space of the positioning seat, and a notch for inserting the unlocking plug block is arranged between the seat body and the positioning seat.

According to the technical scheme, the notch is arranged, the unlocking plug block is convenient to insert into the notch, then the base body moves in the direction away from the positioning accommodating space through the unlocking plug block, and the locking block is convenient to separate from the part to unlock.

In a preferred embodiment of the utility model, the front end of the unlocking insert is a wedge-shaped part with an unlocking inclined plane, the unlocking inclined plane is arranged away from the side surface of the positioning seat, the front end of the unlocking inclined plane is larger than the rear end, and the driving piece drives the unlocking insert to linearly move so that the wedge-shaped part is inserted into the notch.

According to the technical scheme, the driving piece only needs to drive the unlocking plug block to linearly move in the direction close to the notch through the wedge-shaped part with the unlocking inclined surface, and under the action of the unlocking inclined surface, the seat body can move in the direction away from the positioning accommodating space, so that the movement path of the unlocking plug block is simplified, and the structure of the driving piece is simplified.

In a preferred embodiment of the present utility model, the elastic member is a cylindrical spring pressed between the support base and the locking piece.

According to the technical scheme, the cylindrical spring is low in acquisition cost and high in reliability.

In a preferred embodiment of the utility model, the support base is fixedly connected with a guide rod inserted into the locking block, the locking block can slide on the guide rod, and the columnar spring is sleeved on the guide rod.

According to the technical scheme, the guide rod plays a role in guiding the columnar spring and the locking piece, so that the locking piece moves leftwards and rightwards more stably and smoothly.

In another preferred embodiment of the utility model, the base is provided with a bearing or the base is rotatably connected with a roller; the unlocking insert can contact the outer surface of the bearing/roller when inserted into the notch.

According to the technical scheme, the bearing/roller is arranged to reduce friction force, so that the seat body can move towards the direction away from the positioning accommodating space, and the power of the driving piece can be reduced.

In another preferred embodiment of the present utility model, a positioning pin capable of being inserted into the positioning hole of the component is disposed on the rear side wall of the positioning accommodation space of the positioning seat, the left side wall or the right side wall of the positioning accommodation space is provided with a through slot, and the locking piece is transversely inserted into the slot and can slide therein.

According to the technical scheme, the left-right movement and the up-down movement of the parts are limited through the locating pins, and the front-back movement and the up-down movement of the parts are limited through the locking blocks, so that the parts are fixedly locked in the locating seats.

In order to achieve the second purpose, the utility model adopts the following technical scheme: the assembly positioning line comprises an assembly disc capable of rotating and an installation disc coaxially arranged with the assembly disc; m assembly stations are arranged at intervals in the circumferential direction outside the assembly disc, M is a positive integer, and M positioning and locking mechanisms which are arranged in one-to-one correspondence with the M assembly stations are arranged on the assembly disc; the installation disc is provided with N unlocking stations which are arranged at intervals in the circumferential direction, N is a positive integer less than or equal to M, the unlocking stations are arranged corresponding to the assembly stations, and unlocking mechanisms which can be matched with the positioning locking mechanisms are arranged at each unlocking station.

According to the technical scheme, the M positioning and locking mechanisms are arranged on the assembly disc, the N unlocking mechanisms are arranged on the installation disc, so that the assembly positioning line is an annular assembly line, and the structure is compact; and only the unlocking mechanisms are required to be arranged on the assembly stations of the parts to be unlocked, the unlocking mechanisms do not need to be arranged at the positions of each positioning and locking mechanism in a one-to-one correspondence mode, and cost is reduced.

In another preferred embodiment of the utility model, the M detent locking mechanisms are circumferentially spaced evenly on the mounting disc.

According to the technical scheme, the rotation angles from each time of rotating the assembly disc to the next assembly station are equal, and the control is convenient.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic perspective view of a positioning and unlocking device according to a first embodiment of the present utility model.

Fig. 2 is a schematic top plan view of a positioning and unlocking device according to a first embodiment of the present utility model.

Fig. 3 is a schematic perspective view of an assembly positioning line according to a second embodiment of the present utility model.

Reference numerals in the drawings of the specification include: positioning and locking mechanism 10, notch 101, positioning seat 11, positioning accommodation space 111, positioning pin 112, supporting seat 12, locking piece 13, seat 131, elastic piece (columnar spring) 14, guide rod 15, bearing 16, rotating shaft 17, unlocking mechanism 20, unlocking insert 21, unlocking inclined plane 211, driving piece 22, assembly disk 30, and installation disk 40.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "vertical," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model.

In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.

Example 1

The present utility model provides a lock release mechanism, as shown in fig. 1 and 2, which in a preferred embodiment includes a lock mechanism 10 and a release mechanism 20.

The positioning and locking mechanism 10 comprises a positioning seat 11 with a positioning accommodating space 111, a supporting seat 12 fixedly connected with the positioning seat 11, and a locking piece 13 in sliding connection with the positioning seat 11. The supporting seat 12 is located outside the positioning accommodating space 111 of the positioning seat 11, the locking piece 13 is elastically connected with the supporting seat 12 through an elastic piece 14, preferably, the elastic piece 14 is a columnar spring pressed between the supporting seat 12 and the locking piece 13, and under the elastic action of the elastic piece 14, the locking piece 13 can move to extend into the positioning accommodating space 111 of the positioning seat 11, so that locking is realized.

The unlocking mechanism 20 includes an unlocking insert 21 located at the rear side of the positioning seat 11, and a driving piece 22 driving the unlocking insert 21 to move, where the driving piece 22 drives the unlocking insert 21 to move, so that the locking piece 13 moves leftwards against the elastic force of the elastic piece 14 to withdraw from the positioning accommodating space 111, and unlocking is achieved.

In this embodiment, the rear side wall of the positioning accommodation space 111 of the positioning seat 11 is provided with positioning pins 112 that can be inserted into positioning holes of components, for example, two positioning pins 112 are provided, the left side wall or the right side wall of the positioning accommodation space 111 has a through slot, and the locking piece 13 is laterally inserted into the slot and can slide therein. In fig. 1 and 2, the locking block 13 is shown to be transversely slidably connected to the left side wall of the positioning accommodating space 111, and the supporting seat 12 is fixedly connected to the left end of the positioning seat 11.

When the positioning unlocking device is used, the unlocking insert block 21 is driven by the driving piece 22 to move so as to enable the locking block 13 to move leftwards, the locking block 13 is withdrawn from the positioning accommodating space 111 of the positioning seat 11, and the positioning locking mechanism 10 is in an unlocking state. Then, the parts to be assembled (such as a carburetor for a motorcycle accessory) are placed in the positioning accommodation space 111 of the positioning seat 11, and meanwhile, the positioning pin 112 is inserted into the positioning hole at the rear end of the parts to limit the left-right movement and the up-down movement of the parts, and the parts are positioned by the positioning accommodation space 111 of the positioning seat 11. Then the driving piece 22 drives the unlocking insert block 21 to move for resetting, the locking piece 13 moves rightwards under the action of the elastic piece 14 and is inserted into a locking hole of a part in the positioning accommodating space 111, the part is locked, the part is limited to move forwards and backwards and move upwards and downwards, and the subsequent assembly or processing of the part is facilitated.

When the parts are required to be taken out, the unlocking insert block 21 is driven by the driving piece 22 to retreat so as to enable the locking piece 13 to move leftwards, the locking piece 13 is withdrawn from the locking hole of the parts in the positioning accommodating space 111, the positioning locking mechanism 10 is in an unlocking state, the parts are unlocked, and then the parts are taken out from the positioning seat 11.

In a preferred embodiment, the left end of the locking piece 13 has a base 131 located outside the positioning accommodation space 111 of the positioning base 11, a notch 101 for inserting the unlocking plug 21 is provided between the base 131 and the positioning base 11, and the cylindrical spring 14 is pressed between the supporting base 12 and the base 131. The unlocking insert 21 is located at the rear side of the positioning seat 11, the front end of the unlocking insert 21 is a wedge-shaped block with an unlocking inclined plane 211, the unlocking inclined plane 211 is far away from the left side surface of the positioning seat 11, the front end of the unlocking inclined plane 211 is larger than the rear end, the driving piece 22 drives the unlocking insert 21 to move linearly forward, so that the wedge-shaped part of the unlocking insert 21 is inserted into the notch 101, and the driving piece 22 can be, but is not limited to, an electric cylinder, an air cylinder or a hydraulic cylinder.

With such a technical solution, the driving member 22 drives the unlocking insert 21 to move forward, so that the wedge portion of the unlocking insert 21 is inserted into the notch 101, the wedge portion continues to move forward, and under the action of the unlocking inclined plane 211 at the left end of the wedge portion, the seat 131 of the locking piece 13 compresses the cylindrical spring 14 to move leftward for unlocking.

In another preferred embodiment, a guide rod 15 inserted into the lock block 13 is fixedly connected to the right end of the support base 12, the lock block 13 can slide left and right on the guide rod 15, a columnar spring 14 is sleeved on the guide rod 15, and both ends of the columnar spring 14 are respectively abutted against the support base 12 and the base 131. The guide rod 15 plays a role in guiding the cylindrical spring 14 and the locking piece 13, so that the left and right movement of the locking piece 13 is smoother.

In another preferred embodiment, the bearing 16 is mounted on the base 131, the bearing 16 is mounted at the lower end of the base 131 through the rotating shaft 17, and when the unlocking insert 21 is inserted into the notch 101, the unlocking inclined surface 211 can contact with the outer surface of the bearing 16, so that the outer ring of the bearing 16 rotates around the rotating shaft 17 to reduce friction force, and the base 131 can be moved leftwards. It should be noted that the bearing 16 may be replaced by a roller rotatably connected to the base 131 via the rotating shaft 17.

Example two

The present embodiment provides an assembly positioning line with the positioning and unlocking device of the first embodiment, as shown in fig. 3, in the present embodiment, the assembly positioning line includes a rotatable assembly disc 30, and a mounting disc 40 coaxially disposed with the assembly disc 30, the mounting disc 40 having a smaller diameter than the assembly disc 30 and being located above it. The manner in which the mounting disc 30 is driven to rotate about its axis is known in the art and will not be described in detail herein.

The outer periphery of the assembly disc 30 is provided with M assembly stations (not shown in the figure) which are circumferentially arranged at intervals, M is a positive integer, for example, eight assembly stations are arranged, eight positioning and locking mechanisms 10 which are arranged in one-to-one correspondence with the eight assembly stations are arranged on the assembly disc 30, for example, the eight positioning and locking mechanisms 10 are circumferentially uniformly distributed on the assembly disc 30 at intervals, and the positioning seats 11 of the positioning and locking mechanisms 10 are arranged on the assembly disc 30 through bolts.

The installation disc 40 is provided with N unlocking stations which are circumferentially arranged at intervals, N is a positive integer less than or equal to M, four unlocking stations are arranged in a mode shown in fig. 3, the unlocking stations are arranged corresponding to the assembly stations, unlocking mechanisms 20 which can be matched with the positioning locking mechanism 10 are arranged at each unlocking station, namely, four unlocking mechanisms 20 are arranged in total, and driving pieces 22 of the unlocking mechanisms 20 are installed on the installation disc 40 through bolts. Preferably, the unlocking mechanism 20 is arranged at the positioning locking mechanism 10 corresponding to the first assembling station and the eighth assembling station, so that parts can be conveniently fed onto the assembling positioning line and discharged from the assembling positioning line.

When the assembly positioning line is used for assembling parts (such as a motorcycle part carburetor), the parts are placed in the positioning locking mechanism 10 corresponding to the first assembly station to be locked, then equipment or workers at the assembly station perform a first assembly process, after the assembly is completed, the assembly disc 30 rotates to enable the parts to move to a second assembly station along with the positioning locking mechanism 10, a second assembly process is performed until an eighth assembly process is completed, and after the unlocking mechanism 20 unlocks the positioning locking mechanism 10 at the eighth assembly station, the assembled parts can be taken away.

When the parts are assembled, the number and positions of the unlocking mechanisms 20 are reasonably set on the mounting disc 40 according to the assembly requirement, so that the automatic locking and automatic unlocking of the parts are realized, and the unlocking mechanisms 20 can be set correspondingly without the need of an assembly station for unlocking the parts.

In the description of the present specification, reference to the terms "preferred implementation," "one embodiment," "some embodiments," "example," "a particular example" or "some examples" and the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The positioning unlocking device is characterized by comprising a positioning locking mechanism and an unlocking mechanism;

the positioning locking mechanism comprises a positioning seat with a positioning accommodating space, a supporting seat fixedly connected with the positioning seat and a locking piece in sliding connection with the positioning seat, wherein the locking piece is elastically connected with the supporting seat through an elastic piece, and under the elastic action of the elastic piece, the locking piece can extend into the positioning accommodating space to realize locking;

the unlocking mechanism comprises an unlocking insert block and a driving piece for driving the unlocking insert block to move, and the driving piece drives the unlocking insert block to move so that the locking piece can withdraw from the positioning accommodating space against the elastic force of the elastic piece, and unlocking is achieved.

2. The positioning and unlocking device according to claim 1, wherein the locking block is provided with a seat body positioned outside the positioning accommodating space of the positioning seat, and a notch for the unlocking plug block to be inserted is arranged between the seat body and the positioning seat.

3. The positioning and unlocking device according to claim 2, wherein the front end of the unlocking insert block is a wedge-shaped portion with an unlocking inclined surface, the unlocking inclined surface is arranged away from the side surface of the positioning seat, the front end of the unlocking inclined surface is larger than the rear end, and the driving piece drives the unlocking insert block to linearly move so that the wedge-shaped portion is inserted into the notch.

4. The positioning and unlocking device according to claim 1, wherein the elastic member is a cylindrical spring pressed between the supporting seat and the locking piece.

5. The positioning unlocking device according to claim 4, wherein a guide rod inserted into the locking block is fixedly connected to the supporting seat, the locking block can slide on the guide rod, and the columnar spring is sleeved on the guide rod.

6. A positioning and unlocking device according to claim 2 or 3, wherein the base is provided with a bearing or a rotary connection roller;

the unlocking insert can contact the outer surface of the bearing/roller when inserted into the notch.

7. The positioning unlocking device according to any one of claims 1 to 5, wherein a positioning pin capable of being inserted into a positioning hole of a component is arranged on a rear side wall of a positioning accommodation space of the positioning seat, a slot is formed in a left side wall or a right side wall of the positioning accommodation space, and the locking piece is transversely inserted into the slot and can slide therein.

8. An assembly positioning line with a positioning unlocking device according to any one of claims 1-7, characterized in that the assembly positioning line comprises a rotatable assembly disc and a mounting disc arranged coaxially with the assembly disc;

the outer side of the assembly disc is provided with M assembly stations which are circumferentially arranged at intervals, M is a positive integer, and M positioning and locking mechanisms which are arranged in one-to-one correspondence with the M assembly stations are arranged on the assembly disc;

the installation disc is provided with N unlocking stations which are arranged at intervals in the circumferential direction, N is a positive integer less than or equal to M, the unlocking stations are arranged corresponding to the assembly stations, and unlocking mechanisms which can be matched with the positioning locking mechanisms are arranged at the unlocking stations.

9. The assembly line of claim 8, wherein the M detent locking mechanisms are circumferentially spaced evenly about the assembly disc.