CN218018109U - A positioning and rotating mechanism - Google Patents

Abstract

The utility model aims to provide a positioning and rotating mechanism with multiple angles, high precision, good stability and convenient operation. The utility model includes a jacking assembly. The jacking assembly includes a positioning base plate, a jacking cylinder and a lifting plate. The jacking cylinder is arranged on the positioning base plate, and the lifting plate is set on the movable end of the jacking cylinder. The positioning assembly and the limit assembly, the rotating base is set on the lifting plate, and the rotating base is provided with four sets of positioning holes distributed in a circular array. The positioning assembly includes a position sensor assembly and a block set set on a set of positioning holes. And three baffles, the positioning hole group includes the first pair of holes, the second pair of holes and the third pair of holes, the baffles and the baffle group are all matched with the position sensor assembly, and a number of limit positions distributed in a circular array are set on the rotating seat hole, and the limit assembly is limitedly matched with the limit hole. The utility model relates to the technical field of rotating and positioning product appearance detection.

Description

A positioning and rotating mechanism

technical field

The utility model relates to a product positioning mechanism, in particular to a positioning and rotating mechanism.

Background technique

At present, some parts used in the new energy automobile motor production line industry are positioned through the positioning and rotating mechanism of manual rotation. The pallet and product angle are fixed by rotating the positioning component.

Another example is in the new energy vehicle motor assembly production line, when manually inspecting or testing the appearance, the product first needs to be rotated to inspect the front, rear, left, and right sides of the product, and the original position needs to be restored after the inspection. This kind of operation also needs to be applied to positioning The rotation mechanism is used for positioning, so it is necessary to adjust the rotation position conveniently by cooperating with the manual during the visual inspection and inspection of the product.

However, the rotary positioning component used in the prior art is used for positioning. The disadvantage is that when the manual rotation angle is in place, it cannot be sensed and cannot be accurately aligned with the fixed angle of the rotary positioning component. It can only be positioned by people shaking around the positioning hole, and the sensor Only two angles of 90° and 180° can be sensed, which will lead to inaccurate or unstable positioning for operations that require precision. The purpose of the invention is to make the rotation positioning more accurate and stable while being convenient for personnel to use and operate, so as to be helpful for the high precision and stability of the subsequent automation development. Simple mechanical structure, firm and reliable connection, low cost, longer service life and lower maintenance cost.

For example, a Chinese invention patent with the publication number CN106493695A discloses a lifting and rotating positioning device. The scheme automatically lifts the rotating table through a cylinder, and uses a motor to drive the automatic rotation of the rotating table to realize the automatic rotation of the engine and its tray. Rotation positioning, but for the test vehicle that needs to be inspected, it needs to cooperate with the inspection equipment or manually rotate to the specified angle, and this solution needs to drive the rotary table to rotate through the output gear of the motor, so this solution is more suitable for products However, when the appearance inspection of the assembled product needs to be carried out with manual rotation, this solution lacks the effect of free rotation during operation, which is not conducive to the inspection process of manual rotation.

Utility model content

The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a positioning and rotating mechanism with multiple angles, high precision, good stability and convenient operation to solve the inaccurate positioning of the existing positioning and rotating mechanism, the positioning angle There are few problems, low stability, and manual operation is easy to be limited.

The technical solution adopted in the utility model is: the utility model includes a jacking assembly, the jacking assembly includes a positioning base plate, a jacking cylinder and a lifting plate, the jacking cylinder is arranged on the positioning base plate, and the lifting The plate is arranged on the movable end of the jacking cylinder. The utility model also includes a rotating seat, a positioning assembly and a limit assembly. Four sets of positioning holes, the positioning assembly includes a position sensor assembly, a set of baffles arranged on a set of positioning holes and three baffles, the set of positioning holes includes a first pair of holes, a second pair of holes and the third pair of holes, the three baffles are respectively arranged on the first pair of holes, the second pair of holes and the third pair of holes in the remaining three groups of different positioning hole groups, so Both the blocking plate and the blocking plate group are matched with the position sensor assembly, and a plurality of limiting holes distributed in a circular array are arranged on the rotating seat, and the limiting assembly is limitedly matched with the limiting hole.

A preferred solution is that the set of baffles includes three baffles respectively arranged on the first pair of holes, the second pair of holes and the third pair of holes in the same set of positioning holes. The position sensor assembly includes three position sensors matched with the blocking plate.

A preferred solution is that two guide blocks are provided on the positioning bottom plate, and the guide blocks are provided with spherical guide protrusions and guide holes, and the limit assembly includes a limit cylinder arranged on the lifting plate. The output end of the position-limiting cylinder is provided with a position-limiting pin cooperating with the position-limiting hole; The pin fits in the guide hole.

A preferred solution is that the jacking assembly further includes two sets of guide assemblies located on both sides of the jacking cylinder, the guide assemblies include a guide piece and two guide sleeves, and the two guide sleeves are arranged on the positioning On the bottom plate, the guide member is provided with two guide posts that cooperate with the guide sleeve, and the other ends of the two guide posts are connected with the lifting plate.

A preferred solution is that a buffer is provided on the guide, and the buffer cooperates with the positioning bottom plate.

A preferred solution is that round-headed guide pins and rhombic-headed guide pins are symmetrically arranged on the rotating seat, and the round-ended guide pins and the rhombic-headed guide pins cooperate with the external product jig.

A preferred solution is that several support columns distributed in a circular array are arranged on the rotating seat, and the support columns cooperate with the external product fixtures.

A preferred solution is that the bottom of the lifting plate is provided with two limit blocks located on both sides of the jacking cylinder, and the positioning bottom plate is provided with four limit posts that are limitedly matched with the limit blocks.

A preferred solution is that the lifting plate is provided with a rotating bearing, the rotating bearing includes a matched stator and a mover, the stator is arranged on the lifting plate, and the rotating seat is connected with the mover .

During the use of the utility model, firstly, the lifting plate is driven up and down by the jacking cylinder arranged on the fixed base plate, and when the lifting plate moves to a suitable height, the product is placed on the rotating seat , manually fluctuate the rotating seat, the rotating seat rotates through the rotating bearing, the spherical guide protrusion slides in the groove to form a limit, when it rotates to a certain angle, the positioning assembly The baffle or the baffle group will be sensed with the position sensor assembly, and then the limit cylinder will drive the limit pin to insert into the limit hole to realize the positioning and limit functions. The expressed angles are angles in four directions of 0°, 90°, 180° and 270° respectively, thereby realizing multi-angle accurate assisted manual convenient positioning and limit locking.

The beneficial effects of the utility model:

1. The use of the utility model is convenient for the operator to perceive the rotation position when the direction is freely rotated, and prevents the angle from being locked only by the feeling of shaking, resulting in a decrease in the efficiency of appearance inspection and testing;

2. The simple mechanical mechanism of the utility model uses the expansion and contraction of the jacking cylinder as the power source for jacking and positioning, without human operation;

4. The utility model has many angle changes and can cover the whole line process;

5. The utility model is compact, light and simple in structure, easy to install, debug and maintain.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is a partial three-dimensional structure schematic diagram of the utility model;

Fig. 3 is a schematic diagram of the jacking structure of the utility model;

Fig. 4 is a schematic diagram of the stereoscopic structure of the first viewing angle of the lifting plate;

Fig. 5 is a schematic diagram of the three-dimensional structure of the lifting plate at a second viewing angle;

Fig. 6 is a schematic perspective view of the first perspective structure of the swivel seat;

Figure 7 is an enlarged schematic view of part A in Figure 6;

Fig. 8 is a schematic perspective view of the second viewing angle of the rotating seat.

detailed description

In order to understand the features and advantages of the present utility model more clearly, the present utility model will be further described below through examples and in conjunction with accompanying drawings 1 to 8 . In this embodiment, the utility model includes a jacking assembly, which includes a positioning bottom plate 1, a jacking cylinder 2 and a lifting plate 3, the jacking cylinder 2 is arranged on the positioning bottom plate 1, and the The lifting plate 3 is arranged on the movable end of the jacking cylinder 2. The utility model also includes a rotating seat 4, a positioning assembly 5 and a limit assembly 6. The rotating seat 4 is arranged on the lifting plate 3 in rotation. The rotating base 4 is provided with four sets of positioning holes 41 distributed in a circular array, and the positioning assembly 5 includes a position sensor assembly 51, a block set 52 arranged on a set of positioning holes 41 and three blocks 53 , the positioning hole group includes a first pair of holes 411, a second pair of holes 412 and a third pair of holes 413, and the three blocking pieces 53 are respectively arranged on the first of the remaining three groups of different positioning hole groups 41. On the pair of holes 411, the second pair of holes 412 and the third pair of holes 413, the blocking piece 53 and the blocking piece group 52 are all matched with the position sensor assembly 51, and the rotating base 4 A plurality of limiting holes 42 distributed in a circular array are arranged on the top, and the limiting component 6 is limitedly matched with the limiting holes 42 .

In this embodiment, the baffle set 52 includes the first pair of holes 411 , the second pair of holes 412 and the third pair of holes 413 respectively arranged in the same set of positioning holes 41 There are three stoppers 53 , and the position sensor assembly 51 includes three position sensors 511 matched with the stoppers 53 .

In this embodiment, the lift plate 3 is provided with two guide blocks 31, the guide blocks 31 are provided with spherical guide projections 311 and guide holes 312, the limit assembly 6 includes 3, the limit cylinder 61, the output end of the limit cylinder 61 is provided with a limit pin 62 that is limitedly matched with the limit hole 42, and the lower plate of the swivel seat 4 is provided with the spherical guide The protrusion 311 fits in the groove 43 , and the limiting pin 62 is fitted in the guiding hole 312 .

In this embodiment, the jacking assembly further includes two sets of guide assemblies 12 located on both sides of the jacking cylinder 2, the guide assembly 11 includes a guide piece 111 and two guide sleeves 112, the two guide assemblies The sleeve 112 is arranged on the positioning bottom plate 1, and the guide member 111 is provided with two guide posts 113 matched with the guide sleeve 112, and the other ends of the two guide posts 113 are connected with the lifting plate 3 .

In this embodiment, a buffer 114 is provided on the guide 111 , and the buffer 114 cooperates with the positioning bottom plate 1 .

In this embodiment, round head guide pins 44 and rhombic head guide pins 45 are symmetrically arranged on the rotating base 4, and the round head guide pins 44 and the rhombic head guide pins 45 are matched with external product fixtures. .

In this embodiment, the rotating seat 4 is provided with a plurality of support columns 46 distributed in a circular array, and the support columns 46 are matched with external product fixtures.

In this embodiment, the bottom of the lifting plate 3 is provided with two limit blocks 32 located on both sides of the jacking cylinder 2, and the positioning bottom plate 1 is provided with four limit blocks that cooperate with the limit blocks 32. The limiting column 12.

In this embodiment, the lifting plate 3 is provided with a rotating bearing 33, the rotating bearing 33 includes a matched stator and a mover, the stator is arranged on the lifting plate 3, the rotating seat 4 and The movers are connected.

Working principle of the utility model:

During the use of the utility model, the lifting plate 3 is driven up and down by the jacking cylinder 2 arranged on the fixed bottom plate 1. When the lifting plate 3 moves to a suitable height, the product is placed on the On the rotating base 4, manually fluctuate the rotating base 4, the rotating base 4 rotates through the rotating bearing 32, the spherical guide protrusion 111 slides in the groove 43 to form a limit, when it rotates to At a certain angle, the blocking piece 53 or the blocking piece group 52 in the positioning assembly 5 will sense the position sensor assembly 51, and then the limiting cylinder 61 will drive the limiting pin 62 to insert into In the position-limiting hole 42, positioning and position-limiting functions are realized, and the angles of the above-mentioned expressions are angles in four directions of 0°, 90°, 180° and 270°, thereby realizing multi-angle accurate auxiliary manual Convenient positioning and limit locking.

Although the embodiment of the utility model is described with the actual scheme, it does not constitute a limitation to the meaning of the utility model. For those skilled in the art, the modification of its implementation according to this description and the combination with other schemes are all Obvious.

Claims (9)

1. The utility model provides a location rotary mechanism, it includes the jacking subassembly, the jacking subassembly includes location bottom plate (1), jacking cylinder (2) and lifter plate (3), jacking cylinder (2) set up on location bottom plate (1), lifter plate (3) set up the expansion end of jacking cylinder (2), its characterized in that, it includes roating seat (4), locating component (5) and spacing subassembly (6), roating seat (4) rotate to set up on lifter plate (3), be provided with four groups of location punch combination (41) that the circumference array distributes on roating seat (4), locating component (5) include position sensor subassembly (51), set up in a set of block combination (52) and three separation blade (53) on location punch combination (41), the location punch combination includes first pair of hole (411), second pair of hole (412) and third separation blade (413), three separation blade (53) set up respectively in all the rest of different location punch combination (41) in first pair of holes (411), second pair of holes (412) and third pair hole (413), the spacing subassembly (51) and spacing subassembly (52) set up the circumference sensor (51) and spacing subassembly (53) match, the limiting component (6) is in limiting fit with the limiting hole (42).

2. A positioning and rotating mechanism according to claim 1, wherein said set of shutters (52) comprises three said shutters (53) respectively disposed in said first pair of holes (411), said second pair of holes (412) and said third pair of holes (413) in the same set of said positioning holes (41), and said position sensor assembly (51) comprises three position sensors (511) cooperating with said shutters (53).

3. A positioning and rotating mechanism according to claim 1, wherein two guide blocks (31) are arranged on the lifting plate (3), the guide blocks (31) are provided with spherical guide protrusions (311) and guide holes (312), the limiting assembly (6) comprises a limiting cylinder (61) arranged on the lifting plate (3), the output end of the limiting cylinder (61) is provided with a limiting pin (62) in limiting fit with the limiting hole (42), the lower plate surface of the rotating base (4) is provided with a groove (43) in limiting fit with the spherical guide protrusions (311), and the limiting pin (62) is arranged in the guide holes (312) in a fit manner.

4. A positioning and rotating mechanism according to claim 1, wherein the jacking assembly further comprises two sets of guide assemblies (11) located on both sides of the jacking cylinder (2), the guide assemblies (11) comprise a guide member (111) and two guide sleeves (112), the two guide sleeves (112) are arranged on the positioning bottom plate (1), the guide member (111) is provided with two guide posts (113) matched with the guide sleeves (112), and the other ends of the two guide posts (113) are connected with the lifting plate (3).

5. A positioning and rotating mechanism according to claim 4, characterized in that a buffer (114) is arranged on the guide (111), and the buffer (114) is matched with the positioning base plate (1).

6. A positioning and rotating mechanism according to claim 1, wherein round head guide pins (44) and diamond head guide pins (45) are symmetrically arranged on the rotating base (4), and the round head guide pins (44) and the diamond head guide pins (45) are matched with external product jigs.

7. A positioning and rotating mechanism according to claim 1, wherein a plurality of supporting columns (46) are arranged on the rotating base (4) in a circumferential array, and the supporting columns (46) are matched with external product jigs.

8. The positioning and rotating mechanism according to claim 1, wherein two limiting blocks (32) are arranged at the bottom of the lifting plate (3) and located at two sides of the jacking cylinder (2), and the positioning bottom plate (1) is provided with four limiting columns (12) in limiting fit with the limiting blocks (32).

9. A positioning and rotating mechanism according to claim 1, wherein the lifting plate (3) is provided with a rotating bearing (33), the rotating bearing (33) comprises a stator and a rotor which are matched, the stator is provided on the lifting plate (3), and the rotating base (4) is connected with the rotor.

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