CN213674178U

CN213674178U - Multi-workpiece grabbing mechanism and conductive PAD assembling equipment

Info

Publication number: CN213674178U
Application number: CN202022138486.9U
Authority: CN
Inventors: 韦玉峰
Original assignee: Suzhou Jindun Automation System Co ltd
Current assignee: Suzhou Jindun Automation System Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-07-13
Anticipated expiration: 2030-09-25

Abstract

The utility model provides a pair of multiplex spare snatchs mechanism, include: a gripping assembly for gripping a workpiece; the driving component is in transmission connection with the clamping component; and the sucker assembly is used for adsorbing the workpiece. The utility model also provides a electrically conductive PAD equipment. The clamping assembly comprises at least one group of clamping units which are arranged oppositely, and the driving assembly drives the clamping units to rotate so as to enable the clamping jaws on the two opposite clamping units to be closed to clamp a workpiece; when the drive assembly drive when the centre gripping unit opens for sucking disc subassembly protrusion relatively in the clamping jaw utilizes centre gripping subassembly and sucking disc subassembly in the mechanism of snatching to snatch respectively and constitutes electrically conductive PAD's different spare parts, the utility model discloses convenient to use, simple structure.

Description

Multi-workpiece grabbing mechanism and conductive PAD assembling equipment

Technical Field

The utility model belongs to the non-standard automation field, concretely relates to multiplex spare snatchs mechanism, still concretely relates to electrically conductive PAD equipment.

Background

The touch performance of the liquid crystal screen is detected by simulating the contact of a human finger by using a conductive PAD; in the non-standard automation field, the conductive PAD is mainly formed by assembling circuit boards, conductive leather, foam and rubber plates. During the assembly of the conductive PAD, the inventors found that at least the following problems existed in the actual production process:

firstly, electrically conductive PAD comprises main parts such as circuit board, electrically conductive skin, bubble cotton, offset plate equipment, because the shape of circuit board, electrically conductive skin, bubble cotton, offset plate is inconsistent, need set up a plurality of mechanisms of grabbing in order to snatch different spare parts in automatic production process, is difficult to get through single mechanism of grabbing and puts the work piece to make the structure of whole equipment loaded down with trivial details.

Accordingly, there is a need for a multi-workpiece grasping mechanism to solve the above problems.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model mainly provides a multi-workpiece grabbing mechanism, which is convenient for grabbing different types of workpieces through a clamping component and a sucker component arranged on the grabbing mechanism, thereby meeting the requirement of grabbing a plurality of workpieces for assembly and further simplifying the structure of equipment; on the other hand, for the switching of the grabbing mode, the clamping assembly and the sucker assembly are driven through the driving assembly, so that the clamping assembly and the sucker assembly move relatively to meet the requirement of switching the grabbing modes of different workpieces.

In order to achieve the above objects and other advantages in accordance with the present invention, there is provided a multi-workpiece gripping mechanism, including:

a gripping assembly for gripping a workpiece;

the driving component is in transmission connection with the clamping component; and

the sucker assembly is used for adsorbing a workpiece;

the clamping assembly comprises at least one group of clamping units which are arranged oppositely, and the driving assembly drives the clamping units to rotate so that clamping jaws on the two opposite clamping units are closed to clamp a workpiece;

when the driving component drives the clamping unit to open, the sucker component relatively protrudes out of the clamping jaw.

Preferably, the driving assembly is in transmission connection with the sucker assembly, and the sucker assembly is driven by the driving assembly to move in the vertical direction;

when the driving component drives the clamping jaws to close, the sucker component moves upwards;

conversely, when the driving component drives the clamping jaws to open, the sucker component moves downwards.

Preferably, the driving assembly is driven by a gear and a rack;

the gear is installed on the clamping unit, the sucker assembly is installed at the bottom of the rack, and the driving assembly drives the rack to move in the vertical direction.

Preferably, both sides of the rack are provided with transmission teeth for engaging with the gears installed opposite to the two clamping units.

Preferably, the driving assembly further comprises a guide for defining a moving direction of the rack, the guide being mounted on a base surface;

the rack is limited by the guide member to move in a vertical direction through the driving assembly.

Preferably, at least two suction cup units are mounted on the bottom of the suction cup assembly.

Preferably, the device further comprises a shell, wherein the shell is used for connecting the grabbing mechanisms to form a whole;

meanwhile, the shell comprises a connecting end extending outwards, and the connecting end is used for connecting an external transmission mechanism.

Preferably, the clamping unit comprises a connecting rod, the clamping jaw is mounted at one end of the connecting rod, and the connecting rod is hinged to the housing.

Preferably, the connecting rod includes:

a first connecting rod, one end of which is hinged on the shell;

the second connecting rod is used for connecting the connecting rods to form a whole; and

the two ends of the supporting rod are hinged to the shell and the second connecting rod;

the other end of the first connecting rod is hinged to the second connecting rod, and the clamping jaw is installed at one end of the second connecting rod.

On the other hand, the utility model provides a conductive PAD equipment, include as above the multiplex spare snatchs the mechanism.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a pair of multiplex spare snatchs mechanism, including centre gripping subassembly, sucking disc subassembly, it snatchs different types of work piece through centre gripping subassembly and sucking disc subassembly to satisfy and snatch different types of work piece equipment, and then simplified the structure of equipment, the utility model discloses simple structure, convenient to use.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of a first three-dimensional structure according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a second perspective structure in an embodiment of the present invention;

fig. 3 is a schematic view of a portion of the structure of an embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view of FIG. 3;

fig. 5 is a front view of the present invention in an embodiment.

Shown in the figure:

321. a drive assembly;

3211. a motor; 3212. a lead screw; 3213. a rack; 3214. a gear;

322. a clamping assembly;

3221. a first link; 3222. a support bar; 3223. a second link; 3224. a clamping jaw;

323. a sucker component;

3231. a suction cup unit; 3232. connecting blocks;

324. a housing;

3241. a limiting rod; 3242. a connecting end; 3243. a side plate; 3244. a guide member.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.

Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

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

According to the technical solution of the present invention, in combination with one embodiment, as shown in fig. 1 and 2, an electrically conductive PAD assembling apparatus includes a multi-workpiece grasping mechanism for grasping different types of workpieces; specifically, the multi-workpiece gripping mechanism includes:

a gripping assembly 322 for gripping a workpiece;

a driving assembly 321, which is in transmission connection with the clamping assembly 322; and

a chuck assembly 323 for adsorbing a workpiece;

the clamping assembly 322 includes at least one set of clamping units disposed oppositely, and the power output end of the driving assembly 321 is connected to the clamping units; the driving assembly 321 drives the clamping units to rotate, so that when the clamping jaws 3224 on the two opposite clamping units are closed, the positions of the clamping jaws 3224 are relatively lower than the suction disc assembly 323, at the moment, the workpiece is clamped by the clamping jaws 3224, and therefore the workpiece is grabbed by the clamping jaws 3224;

when the driving assembly 321 drives the clamping unit to open, the clamping unit rotates reversely to drive the clamping jaw 3224, so that the clamping jaw 3224 moves upwards, the suction cup assembly 323 protrudes out of the clamping jaw 3224 relatively, at this time, the position of the suction cup assembly 323 is lower than that of the clamping jaw 3224 relatively, and the suction cup assembly 323 is preferentially contacted with the workpiece, so that the workpiece is sucked and grabbed by the suction cup assembly 323 when the clamping unit is opened.

Through centre gripping subassembly 322 and sucking disc subassembly 323 relative motion to satisfy different work pieces and snatch the mode and switch, so as to snatch different kinds of work pieces, utilize this multiplex spare to snatch the mechanism and snatch different work pieces, avoided automatic equipment electrically conductive PAD in-process to need to set up a plurality of mechanisms of snatching in order to snatch different spare parts, simplified the structure of whole equipment.

Further, referring to fig. 5, the multi-workpiece grabbing mechanism works, the driving assembly 321 is in transmission connection with the suction cup assembly 323, and the suction cup assembly 323 is driven by the driving assembly 321 to move in the vertical direction; when the driving assembly 321 drives the clamping jaws 3224 to close, the suction cup assembly 323 moves upwards; conversely, when the drive assembly 321 drives the jaws 3224 open, the suction cup assembly 323 moves downward.

The driving assembly 321 drives the clamping assembly 322 and the suction cup assembly 323 to move simultaneously, and more specifically, the driving assembly 321 drives the clamping assembly 322 and the suction cup assembly 323 to move in opposite or similar directions, thereby facilitating the switching between the two grabbing modes of the driving assembly 321 and the suction cup assembly 323.

Referring to fig. 3 and 4 in detail, the driving assembly 321 is driven by a gear 3214 and a rack 3213; the gear 3214 is installed on the clamping unit, the suction cup assembly 323 is installed at the bottom of the rack 3213, and the driving assembly 321 drives the rack 3213 to move in a vertical direction.

Both sides of the rack 3213 are provided with gear teeth for engaging with gears 3214 installed to face the two grip units.

The driving assembly 321 further includes a guide 3244 for defining a moving direction of the rack 3213, the guide 3244 being mounted on the base; the driving assembly 321 comprises a motor 3211 and a lead screw 3212, the motor 3211 drives the lead screw 3212, so that the power output end of the lead screw 3212 moves up and down, and a rack 3213 is mounted on the power output end of the lead screw 3212;

the rack 3213 is limited by the guide 3244 via the driving assembly 321 to move in a vertical direction, and the rack 3213 moves in the vertical direction to drive the gear 3214 engaged with the rack to rotate, so as to drive the clamping unit to rotate.

The multi-workpiece gripping mechanism further comprises a housing 324 for connecting the gripping mechanisms to form a whole;

meanwhile, the housing 324 includes a connecting end 3242 extending outward, and the connecting end 3242 is used for connecting an external transmission mechanism; the shell 324 comprises two side plates 3243, the two side plates 3243 are arranged on two sides of the clamping unit, two limiting rods 3241 are arranged at the bottom of each side plate 3243, a rack 3213 is arranged between the two limiting rods 3241, a connecting block 3232 is arranged at the top end of each suction disc assembly 323, the suction disc assemblies 323 and the racks 3213 are connected through the connecting block 3232, meanwhile, the connecting block 3232 can extend into the space between the two limiting rods 3241, and the elongated suction disc assembly 323 body is limited in moving distance by the limiting rods 3241.

The clamping unit includes a connecting rod, at one end of which the clamping jaw 3224 is mounted, and at the same time, the connecting rod is hinged to the housing 324.

The connecting rod includes:

a first link 3221 having one end hinged to the housing 324;

a second link 3223 for connecting the connecting rods to form a single body; and

a support rod 3222, both ends of which are hinged to the housing 324 and the second connecting rod 3223;

wherein, the other end of the first link 3221 is hinged on the second link 3223, and the clamping jaw 3224 is mounted on one end of the second link 3223.

More specifically, two ends of the supporting rod 3222 are respectively hinged to the other end of the second connecting rod 3223 and the housing 324, the other end of the first connecting rod 3221 is hinged to the second connecting rod 3223, a gear 3214 is further mounted at one end of the first connecting rod 3221 which is hinged to the housing 324, the second connecting rod 3223 rotates through the first connecting rod 3221 and is limited by the supporting rod 3222 in movement track, so that the second connecting rod 3223 moves relative to the first connecting rod 3221, the second connecting rod 3223 rotates around a hinge point of the first connecting rod 3221 and the second connecting rod 3223, so that the second connecting rod 3223 is folded close to the first connecting rod 3221, when the suction cup assembly 323 is used for grabbing a workpiece, the second connecting rod 3223 is folded on the first connecting rod 3221, and therefore the volume of the clamping assembly 322 is reduced.

Install two at least sucking disc units 3231 on sucking disc subassembly 323's the bottom, adsorb same work piece through a plurality of sucking disc units 3231, wherein, there is the synergism between a plurality of sucking disc units 3231, utilize the different positions of a plurality of sucking disc units 3231 absorption work piece, owing to there are a plurality of adsorption points at the in-process of snatching, when single sucking disc unit 3231 produces the trouble, this sucking disc subassembly 323 still can snatch the work piece, guarantee sucking disc subassembly 323 normal work, and simultaneously, through a plurality of adsorption point collaborative work, be convenient for reduce the adsorption affinity of single adsorption point position department, thereby reduce the power of the negative pressure equipment that produces that sucking disc subassembly 323 connects.

According to the suction cup assembly 323 shown in fig. 2, in which the number of the suction cup units 3231 is three, the suction cup units 3231 are arranged along a straight line, so that the suction cup assembly 323 receiving the suction cup unit 3231 is in a strip shape, specifically, the direction of the arrangement of the straight line suction cup units 3231 formed by the two opposite clamping jaws 3224 is perpendicular, that is, the extending direction of the suction cup assembly 323 is perpendicular to the straight line formed by the two opposite clamping jaws 3224, since the driving assembly 321 drives the clamping unit to drive the clamping jaws 3224 to close, the clamping unit also closes, the suction cup assembly 323 arranged between the two clamping units is prone to generate interference, and in order to reduce the above situation, the probability of the interference between the two clamping units is reduced by arranging the short side of the strip suction cup assembly 323 on the moving path of the clamping unit.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. A multi-workpiece grasping mechanism, comprising:

a gripping assembly (322) for gripping a workpiece;

a driving component (321) which is in transmission connection with the clamping component (322); and

a chuck assembly (323) for adsorbing a workpiece;

the clamping assembly (322) comprises at least one group of oppositely arranged clamping units, and the driving assembly (321) drives the clamping units to rotate so as to enable the clamping jaws (3224) on the two opposite clamping units to be closed to clamp a workpiece;

when the driving component (321) drives the clamping units to open, the sucker component (323) is enabled to relatively protrude out of the clamping jaws (3224).

2. The multi-workpiece gripping mechanism of claim 1, wherein the drive assembly (321) is drivingly connected to the suction cup assembly (323), the suction cup assembly (323) being driven by the drive assembly (321) to move in a vertical direction;

when the driving assembly (321) drives the clamping jaws (3224) to close, the sucker assembly (323) moves upwards;

conversely, when the driving assembly (321) drives the clamping jaws (3224) to open, the sucker assembly (323) moves downwards.

3. The multi-workpiece gripping mechanism according to claim 2, wherein the drive assembly (321) is driven by a gear (3214), a rack (3213);

the gear (3214) is mounted on the clamping unit, the sucker assembly (323) is mounted at the bottom of the rack (3213), and the driving assembly (321) drives the rack (3213) to move in a vertical direction.

4. Multiple work piece gripping mechanism according to claim 3, wherein the rack (3213) is provided on both sides with gearing teeth for engaging with the gear wheels (3214) mounted opposite the two gripping units.

5. The multi-workpiece gripping mechanism according to claim 3, wherein the driving assembly (321) further comprises a guide member (3244) for defining a moving direction of the rack (3213), the guide member (3244) being mounted on a base surface;

the rack (3213) is restricted by the guide (3244) to move in a vertical direction by the driving assembly (321).

6. The multi-workpiece gripping mechanism of any one of claims 1-5, wherein at least two suction cup units (3231) are mounted on the bottom of the suction cup assembly (323).

7. The multi-workpiece gripping mechanism of any one of claims 1-5, further comprising a housing (324) for connecting the gripping mechanism to form a unitary body;

meanwhile, the shell (324) comprises a connecting end (3242) extending outwards, and the connecting end (3242) is used for connecting an external transmission mechanism.

8. The multiple workpiece gripping mechanism according to claim 7, wherein the gripping unit comprises a connecting rod, the gripping jaw (3224) being mounted at one end of the connecting rod, while the connecting rod is hinged to the housing (324).

9. The multi-workpiece gripping mechanism of claim 8, wherein the connecting bar comprises:

a first connecting rod (3221) with one end hinged to the housing (324);

a second link (3223) for integrally connecting the connection rods; and

a support rod (3222) with two ends hinged on the shell (324) and the second connecting rod (3223);

wherein the other end of the first connecting rod (3221) is hinged on the second connecting rod (3223), and the clamping jaw (3224) is installed on one end of the second connecting rod (3223).

10. An electrically conductive PAD assembly device comprising the multi-workpiece gripping mechanism of any of claims 1-9.