CN219403108U - Centering device - Google Patents

Abstract

The utility model belongs to the technical field of mechanical automation, and discloses a straightening device. The centering device comprises a mounting frame, a locating mechanism and a locating mechanism. The locating mechanism is connected to the mounting frame and comprises an identification sensing unit, and the identification sensing unit is used for determining the position of the identification point. The positioning mechanism comprises a fixing assembly and a first driving piece, the fixing assembly comprises a plurality of movable fixing claws, the fixing claws can be fixed in contact with the piece to be aligned, the fixing assembly is connected to the output end of the first driving piece, the first driving piece is used for driving the fixing assembly to rotate, and accordingly the fixing assembly drives the piece to be aligned to rotate so as to rotate the identification point to a preset position. The centering mechanism can be used for various types of to-be-centered parts and has wide applicability.

Description

Centering device

Technical Field

The utility model relates to the technical field of mechanical automation, in particular to a straightening device.

Background

In an automatic processing and production flow, some parts need to be preassembled in advance and then assembled in a whole machine on a production line, so that the production efficiency is maximized. Taking the shaft sleeve as an example, the shaft sleeve is provided with a notch extending along the axial direction, so before the whole machine is assembled, the shaft sleeve needs to be rotated and aligned to a certain position in advance, then is grabbed by a mechanical arm, and then is subjected to the next step.

The shaft sleeve has various types, but the existing aligning device is generally only applicable to one type and cannot be applicable to the assembly of the shaft sleeves with various types.

Therefore, there is a need to provide a centering device to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a centering device, which can be used for various types of to-be-centered pieces and has wide applicability.

To achieve the purpose, the utility model adopts the following technical scheme:

the device of rectifying for rectify to-be-rectified piece that has identification point includes:

a mounting frame;

the locating mechanism is connected to the mounting frame and comprises an identification sensing unit, and the identification sensing unit is used for determining the position of an identification point;

the positioning mechanism comprises a fixing assembly and a first driving piece, wherein the fixing assembly comprises a plurality of movable fixing claws, the fixing claws can be fixed in contact with the piece to be aligned, the fixing assembly is connected to the output end of the first driving piece, and the first driving piece is used for driving the fixing assembly to rotate, so that the fixing assembly drives the piece to be aligned to rotate, and the identification point is rotated to a preset position.

Optionally, the fixing assembly includes a cylinder, the fixed end of the cylinder is connected to the output end of the first driving member, a plurality of fixing claws are connected to the output end of the cylinder, and the cylinder is used for driving a plurality of fixing claws to approach or separate from each other.

Optionally, the cylinder is a three-jaw cylinder.

Optionally, the fixing claw includes a connecting portion and a fixing portion;

one end of the connecting part is connected with the output end of the air cylinder, and the fixing part is connected with the other end of the connecting part;

the piece to be corrected is sleeved on the outer ring of the fixing part, or is clamped among the fixing parts.

Optionally, the aligning device further includes a conveying mechanism, the conveying mechanism includes a second driving member and a supporting table, a fixed end of the second driving member is connected to the mounting frame, the supporting table is connected to an output end of the second driving member, the positioning mechanism is disposed on the supporting table, and the second driving member is used for driving the supporting table to reciprocate along a first direction, so that the supporting table drives the positioning mechanism to reciprocate along the first direction.

Optionally, the brace table includes first backup pad and the second backup pad that sets up along vertical direction interval, the stiff end setting of first driving piece is in the first backup pad, fixed subassembly is located the top of second backup pad, the output of first driving piece wear out the second backup pad with fixed subassembly connects, the first backup pad connect in the output of second driving piece.

Optionally, a sliding rail is arranged on the mounting frame, a clamping groove is formed in the bottom of the first supporting plate, and the sliding rail penetrates through the clamping groove.

Optionally, the locating mechanism includes a third driving piece, the stiff end of third driving piece connect in the mounting bracket, the output of third driving piece is connected with the bracket component, discernment sensing unit connect in the bracket component, the third driving piece is used for the drive the bracket component removes along the second direction.

Optionally, the bracket assembly includes a first connecting member extending in a first direction, and a second connecting member connecting the first connecting member and the output end of the third driving member, and the identification sensing unit is movable along the extending direction of the first connecting member.

Optionally, the identification sensing unit is a laser sensor.

The beneficial effects are that:

the centering device provided by the utility model provides support for other mechanisms by arranging the mounting frame. The fixing assembly in the positioning mechanism is used for fixing the piece to be aligned, and the first driving piece drives the fixing assembly to rotate so as to drive the piece to be aligned to rotate. The identification sensing unit in the locating mechanism can identify the identification point on the piece to be aligned, when the identification point rotates to a preset position, the first driving piece is stopped, and then the mechanical arm can grasp the piece to be aligned and assemble the piece to be aligned and other parts. The fixing component comprises a plurality of fixing claws, the fixing claws can adjust positions according to the types of the to-be-adjusted parts, the adjusting range is flexible, and therefore the to-be-adjusted parts with different types are compatible, universality of the adjusting device is greatly improved, automatic production can be achieved through cooperation with a mechanical arm, and production efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, 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 contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic diagram of a centering device according to the present utility model;

FIG. 2 is a schematic view of a part of the alignment device according to the present utility model;

fig. 3 is a partial enlarged view at a in fig. 1.

In the figure:

10. a piece to be aligned;

100. a mounting frame; 110. a protective cover; 120. a bottom plate; 130. a track; 140. a slide rail; 150. a limiting piece;

200. a locating mechanism; 210. identifying a sensing unit; 220. a third driving member; 231. a first connector; 232. a second connector; 240. a mounting plate; 250. a guide rail; 260. a slide block;

300. a positioning mechanism; 311. a fixed claw; 3111. a connection part; 3112. a fixing part; 312. a cylinder; 320. a first driving member;

400. a conveying mechanism; 410. a second driving member; 421. a first support plate; 422. a second support plate; 423. and (5) a pillar.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

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.

Referring to fig. 1, the present embodiment provides a centering device for centering a piece to be centered 10 having a recognition point. Illustratively, the to-be-calibrated component 10 may be a sleeve, and a notch on the sleeve may serve as a recognition point. The aligning device comprises a mounting frame 100, a locating mechanism 200 and a locating mechanism 300. The locating mechanism 200 is connected to the mounting frame 100, and the locating mechanism 200 includes an identification sensing unit 210, where the identification sensing unit 210 is used to determine a location of an identification point. The positioning mechanism 300 comprises a fixing component and a first driving piece 320, the fixing component comprises a plurality of movable fixing claws 311, the fixing claws 311 can be fixed in contact with the to-be-aligned piece 10, the fixing component is connected to the output end of the first driving piece 320, the first driving piece 320 is used for driving the fixing component to rotate, and accordingly the fixing component drives the to-be-aligned piece 10 to rotate so as to enable the identification point to rotate to a preset position.

The above-described alignment apparatus provides support for other mechanisms by providing a mounting bracket 100. The fixing assembly in the positioning mechanism 300 and the to-be-corrected piece 10 are used for fixing, and the first driving piece 320 drives the fixing assembly to rotate so as to drive the to-be-corrected piece 10 to rotate. The identification sensing unit 210 in the locating mechanism 200 can identify the identification point on the to-be-aligned piece 10, and when the identification point rotates to a preset position, the first driving piece 320 stops, so that the mechanical arm can grasp the to-be-aligned piece 10 and assemble the to-be-aligned piece 10 and other parts. The fixed subassembly includes a plurality of fixed claws 311, and fixed claw 311 can be according to waiting to adjust the position of model adjustment of piece 10, and accommodation is nimble to the piece 10 of waiting to adjust of compatible different models, from this, improved the universality of this centering device to a great extent, can cooperate the manipulator to realize automated production, improved production efficiency.

With continued reference to fig. 1, in this embodiment, the mounting bracket 100 includes a protective cover 110 and a base plate 120, with the protective cover 110 protecting the mechanism therein. A cable track 130 is provided within the shield 110 for receiving cables connected to the positioning mechanism 300.

Further, referring to fig. 2, the fixing assembly includes a cylinder 312, a fixed end of the cylinder 312 is connected to an output end of the first driving member 320, a plurality of fixing claws 311 is connected to an output end of the cylinder 312, and the cylinder 312 is used to drive the plurality of fixing claws 311 toward or away from each other. In this embodiment, the to-be-aligned piece 10 is a sleeve, so the plurality of fixing claws 311 are arranged in a circular array, the moving stroke of the fixing claws 311 is set according to the radial dimension of the to-be-aligned piece 10, and the moving direction of the fixing claws 311 is the radial direction of the to-be-aligned piece 10.

Alternatively, cylinder 312 is a three-jaw cylinder. The number of the fixing claws 311 is three, and the three fixing claws 311 are respectively connected to three output ends of the three-claw cylinder and synchronously move.

Further, the fixing jaw 311 includes a connection portion 3111 and a fixing portion 3112, one end of the connection portion 3111 is connected to the output end of the cylinder 312, and the fixing portion 3112 is connected to the other end of the connection portion 3111. In the present embodiment, the connecting portion 3111 has a rod shape and extends in a radial direction of the to-be-aligned piece 10. In the present embodiment, the to-be-adjusted component 10 is sleeved on the outer ring of the fixing portion 3112 and is located on the end face of the connecting portion 3111. The fixing portion 3112 has a cylindrical structure, so that it can be used to fix various types of the to-be-corrected members 10, and it can be appreciated that the fixing portion 3112 fixes the to-be-corrected members 10 to the fixing assembly by a radial force applied thereto. In another embodiment, the to-be-aligned piece 10 may be clamped between the fixing portions 3112.

Further, the aligning device further includes a conveying mechanism 400, where the conveying mechanism 400 includes a second driving member 410 and a supporting table, the fixed end of the second driving member 410 is connected to the mounting frame 100, the supporting table is connected to the output end of the second driving member 410, the positioning mechanism 300 is disposed on the supporting table, and the second driving member 410 is used to drive the supporting table to reciprocate along a first direction (X-axis direction in the drawing), so that the supporting table drives the positioning mechanism 300 to reciprocate along the first direction. The conveying mechanism 400 operates as follows: when the to-be-corrected piece 10 needs to be placed on the fixed component, the second driving piece 410 drives the supporting table to move out of the mounting frame 100, and after the mechanical arm places the to-be-corrected piece 10 on the fixed component, the second driving piece 410 drives the supporting table to move into the mounting frame 100 and stop below the identification sensing unit 210; after the to-be-aligned piece 10 rotates to the preset position, the conveying mechanism 400 removes the support table from the mounting frame 100, so that the manipulator can take away the to-be-aligned piece 10.

Further, the support table includes a first support plate 421 and a second support plate 422 disposed at intervals along a vertical direction, the fixed end of the second driving member 410 is disposed on the first support plate 421, the fixing assembly is located above the second support plate 422, the output end of the second driving member 410 penetrates out of the second support plate 422 to be connected with the fixing assembly, and the first support plate 421 is connected to the output end of the first driving member 320. Specifically, the first support plate 421 and the second support plate 422 are supported and connected by four struts 423, and the fixed end of the second driving member 410 is positioned between the first support plate 421 and the second support plate 422. The second support plate 422 is provided with a relief opening, and the output end of the second driving member 410 passes through the relief opening.

Further, the mounting rack 100 is provided with a sliding rail 140, a clamping groove is provided at the bottom of the first supporting plate 421, and the sliding rail 140 is disposed through the clamping groove. The slide rail 140 plays a guiding role for the movement of the support table, ensuring that the support table can be smoothly moved by the first driving member 320. The slide rail 140 is mounted on the base plate 120 and extends in a first direction. The front of the sliding rail 140 is provided with a limiting member 150, and when the supporting platform moves to the front end of the sliding rail 140, the limiting member 150 prevents the first supporting plate 421 from moving out of the sliding rail 140. Alternatively, the limiter 150 may be an optoelectronic proximity switch.

Referring to fig. 3, the locating mechanism 200 includes a third driving member 220, a fixed end of the third driving member 220 is connected to the mounting frame 100, an output end of the third driving member 220 is connected to a bracket assembly, the identification sensing unit 210 is connected to the bracket assembly, and the third driving member 220 is used for driving the bracket assembly to move along a second direction (Y-axis direction in the drawing), so that the bracket assembly drives the identification sensing unit 210 to move along the second direction. It will be appreciated that the position of the identification sensing unit 210 in the second direction may be determined according to the position of the part 10 to be aligned.

Further, the bracket assembly includes a first link 231 extending in a first direction, and a second link 232 connecting the first link 231 and the output end of the third driving member 220, the identification sensing unit 210 being movable in the extending direction of the first link 231. Alternatively, the output end of the third driving member 220 is a ball screw, and one end of the second connecting member 232 is connected to a nut of the ball screw, and the other end is connected to the first connecting member 231. The recognition sensing unit 210 may be movably disposed on the first link 231, and the position of the recognition sensing unit 210 may be manually moved. Optionally, a mounting plate 240 is connected to a rear wall plate of the protection cover 110, a guide rail 250 extending along the second direction is provided on the mounting plate 240, one end of the second connecting member 232 is connected to a slider 260, and the slider 260 is slidably connected to the guide rail 250. When the third driving member 220 is activated, the nut on the ball screw moves along the screw shaft, driving the first link 231 to move, so that the second link 232 moves, and at the same time, the slider 260 moves along the guide rail 250.

Optionally, the identification sensing unit 210 is a laser sensor, and is capable of accurately identifying the position of the identification point, transmitting a signal to the control unit, and further controlling the conveying mechanism 400 and the positioning mechanism 300 to operate by the control unit, and rotating the to-be-aligned piece 10 until the identification point is at a preset position. The arrangement of the control unit is well known in the art and will not be described in detail here.

Taking the to-be-aligned piece 10 as an example of a shaft sleeve, the working process of the aligning device in this embodiment is as follows:

the recognition sensing unit 210 is adjusted to a proper position in advance by the third driving member 220; the conveying mechanism 400 drives the positioning mechanism 300 to extend out of the protective cover 110 through the third driving piece 220, the mechanical arm places the shaft sleeve on the fixed assembly, and the cylinder 312 drives the fixed claw 311 to move to the position where the shaft sleeve and the fixed claw 311 can be relatively fixed; the second driving member 410 drives the positioning mechanism 300 to retract into the shield 110; after the identification sensing unit 210 in the locating mechanism 200 identifies the gap of the shaft sleeve, a signal is sent to the control unit; the first driving piece 320 in the positioning mechanism 300 drives the three-jaw cylinder to rotate, and when the recognition sensing unit 210 recognizes that the recognition point rotates to a preset position, the first driving piece 320 stops; the conveying mechanism 400 drives the positioning mechanism 300 to extend out of the protective cover 110 again, and the mechanical arm removes the aligned shaft sleeve.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The device for straightening is used for straightening the piece (10) to be straightened with the identification point, and is characterized by comprising:

a mounting frame (100);

a locating mechanism (200) connected to the mounting frame (100), wherein the locating mechanism (200) comprises an identification sensing unit (210), and the identification sensing unit (210) is used for determining the position of the identification point;

positioning mechanism (300), including fixed subassembly and first driving piece (320), fixed subassembly includes a plurality of mobilizable fixed claws (311), fixed claw (311) can with wait to adjust goods (10) contact fixed, fixed subassembly connect in the output of first driving piece (320), first driving piece (320) are used for the drive fixed subassembly is rotatory, thereby fixed subassembly drives wait to adjust goods (10) rotation, in order will the discernment point rotates to preset position.

2. The aligning device according to claim 1, wherein the fixing assembly comprises a cylinder (312), a fixed end of the cylinder (312) is connected to an output end of the first driving member (320), a plurality of fixing claws (311) are connected to the output end of the cylinder (312), and the cylinder (312) is used for driving the plurality of fixing claws (311) toward or away from each other.

3. The centering device of claim 2, characterized in that the cylinder (312) is a three-jaw cylinder.

4. The centering device according to claim 2, characterized in that the fixing jaw (311) comprises a connecting portion (3111) and a fixing portion (3112);

one end of the connecting part (3111) is connected to an output end of the cylinder (312), and the fixing part (3112) is connected to the other end of the connecting part (3111);

the to-be-corrected piece (10) is sleeved on the outer ring of the fixing part (3112), or the to-be-corrected piece (10) is clamped among the fixing parts (3112).

5. The aligning device according to claim 1, further comprising a conveying mechanism (400), wherein the conveying mechanism (400) comprises a second driving member (410) and a supporting table, a fixed end of the second driving member (410) is connected to the mounting frame (100), the supporting table is connected to an output end of the second driving member (410), the positioning mechanism (300) is disposed on the supporting table, and the second driving member (410) is used for driving the supporting table to reciprocate along a first direction, so that the supporting table drives the positioning mechanism (300) to reciprocate along the first direction.

6. The aligning device according to claim 5, wherein the supporting table comprises a first supporting plate (421) and a second supporting plate (422) which are arranged at intervals along a vertical direction, a fixed end of the first driving member (320) is arranged on the first supporting plate (421), the fixing component is located above the second supporting plate (422), an output end of the first driving member (320) penetrates out of the second supporting plate (422) to be connected with the fixing component, and the first supporting plate (421) is connected with an output end of the second driving member (410).

7. The aligning device according to claim 6, wherein the mounting frame (100) is provided with a sliding rail (140), a clamping groove is formed in the bottom of the first supporting plate (421), and the sliding rail (140) is arranged in the clamping groove in a penetrating manner.

8. The aligning device according to claim 1, wherein the locating mechanism (200) comprises a third driving member (220), a fixed end of the third driving member (220) is connected to the mounting frame (100), an output end of the third driving member (220) is connected to a bracket assembly, the identification sensing unit (210) is connected to the bracket assembly, and the third driving member (220) is used for driving the bracket assembly to move along the second direction.

9. The aligning device according to claim 8, characterized in that the bracket assembly comprises a first connection member (231) and a second connection member (232), the first connection member (231) extending in a first direction, the identification sensing unit (210) being movable in the direction of extension of the first connection member (231), the second connection member (232) connecting the output ends of the first connection member (231) and the third driving member (220).

10. The alignment device according to any of claims 1-9, characterized in that the identification sensing unit (210) is a laser sensor.