CN217497843U

CN217497843U - Variable-pitch pickup device

Info

Publication number: CN217497843U
Application number: CN202221482304.2U
Authority: CN
Inventors: 马清海; 金彤; 陈雪亮; 孙华伟
Original assignee: Smc Tianjin Manufacturing Co ltd; Smc China Co ltd; SMC Beijing Manufacturing Co Ltd; SMC Corp
Current assignee: Smc Tianjin Manufacturing Co ltd; Smc China Co ltd; SMC Beijing Manufacturing Co Ltd; SMC Corp
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-09-27
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses a become interval pickup apparatus belongs to automatic assembly technical field. It includes: at least two clamping parts, wherein the clamping parts are switched between a clamping position and a releasing position; the clamping device comprises at least two sliding supporting seats and a fixed supporting seat, wherein the sliding supporting seats are respectively connected to the fixed supporting seats in a sliding mode along a first direction, clamping parts are respectively supported on the sliding supporting seats, and a first guide part is arranged on each sliding supporting seat; the guide driving part comprises a guide plate and a first driving mechanism for driving the guide plate to move along a second direction, the second direction has a set included angle with the first direction, the guide plate is provided with a guide groove matched with the first guide part, and the first driving mechanism drives the guide plate to move along the second direction to drive the sliding support seat to move along the first direction. The utility model discloses can realize becoming the interval and transfer and work efficiency is higher.

Description

Variable-pitch pickup device

Technical Field

The utility model relates to a pickup apparatus field, in particular to become interval pickup apparatus.

Background

Currently, in automated production manufacturing of products, it is often the case that products or components are transported at different stations. Generally, the transfer operation uses a pickup device to cooperate with a robot arm to move the material from a previous station to a next station.

At present, the transfer equipment is mostly realized by connecting suction heads or clamping jaws through manipulators, but the number of the suction heads or the clamping jaws which are generally connected is small, the products can be transferred in a small amount at a time, all the products can be transferred in multiple times, and the efficiency is relatively low. In addition, the distances among a plurality of suction heads are generally fixed, and when the distances between the bearing devices at the front station and the rear station are changed, the existing transfer equipment cannot effectively realize transfer operation.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a can realize becoming the interval and transfer and the higher pickup apparatus of efficiency.

To the technical problem mentioned above, the utility model provides a following technical scheme:

a variable pitch pick-up device comprising: at least two clamping parts, wherein the clamping parts are switched between a clamping position and a releasing position; the clamping device comprises at least two sliding supporting seats and a fixed supporting seat, wherein the sliding supporting seats are respectively connected to the fixed supporting seats in a sliding mode along a first direction, clamping parts are respectively supported on the sliding supporting seats, and a first guide part is arranged on each sliding supporting seat; the guide driving part comprises a guide plate and a first driving mechanism for driving the guide plate to move along a second direction, the second direction has a set included angle with the first direction, the guide plate is provided with a guide groove matched with the first guide part, and the first driving mechanism drives the guide plate to move along the second direction to drive the sliding support seat to move along the first direction.

In some embodiments of the present invention, the clamping portion includes two clamping members and two driving members, which are disposed oppositely, and the second driving mechanism is close to or away from the clamping members.

In some embodiments of the present invention, the second driving mechanism is a pneumatic driving mechanism or an electric driving mechanism for outputting linear motion.

The utility model discloses an among the partial implementation, be equipped with the first slide rail that extends along first direction on the fixed bolster, sliding support seat sliding connection in on the first slide rail.

The utility model discloses an among the some embodiments, first slide rail be fixed connection in sliding shaft on the fixed bolster, the sliding bolster include with sliding shaft complex sliding sleeve.

The utility model discloses an in some embodiments, first actuating mechanism is fixed in on the fixed bolster, first actuating mechanism's output extends the setting along the second direction.

The utility model discloses an among the some embodiments, be equipped with the second slide rail that extends along the second direction on the fixed bolster, deflector sliding connection in on the second slide rail.

In some embodiments of the present invention, the extending direction of the guiding groove has an included angle with the first direction and the second direction respectively.

The utility model discloses an in some embodiments, it is a plurality of the guiding groove is along the height of second direction equals.

The utility model discloses an among the some embodiments, it is adjacent the guiding groove equals along the interval of first direction.

The technical scheme of the utility model prior art relatively has following technological effect:

the utility model provides an among the variable interval pickup apparatus, including clamping part, sliding support seat, fixed support seat and direction drive division, control first actuating mechanism makes the deflector remove along the second direction, and the guiding groove guide sliding support seat of deflector removes along the first direction, and then makes the interval between the clamping part that is located sliding support seat change the second interval by first interval, has realized that the variable interval of work piece picks up. The picking device is simple in structure and high in universality, and can pick workpieces of different specifications and different intervals. In addition, the picking device picks the workpiece in a clamping mode through the clamping parts, and compared with a vacuum chuck, the picking device is quicker and more reliable to pick, the workpieces are picked by the clamping parts, and the working efficiency is higher.

Drawings

The objects and advantages of the present invention will be understood from the following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of a variable pitch pickup apparatus according to an embodiment of the present invention in a first state;

fig. 2 is another schematic structural diagram of a variable pitch pickup apparatus according to an embodiment of the present invention in a first state;

fig. 3 is a schematic structural diagram of a variable pitch pickup apparatus according to an embodiment of the present invention in a second state;

fig. 4 is another schematic structural diagram of a variable pitch pickup apparatus according to an embodiment of the present invention in a second state;

fig. 5 is a schematic view of an assembly structure of the clamping portion and the sliding support portion in an embodiment of the variable pitch pickup device of the present invention;

fig. 6 is an exploded view of the clamping portion and the sliding support portion in an embodiment of the variable pitch pickup device of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Fig. 1-4 show a specific embodiment of the variable-pitch pick-up device of the present invention, which is used for picking up a workpiece on a first station and transferring the workpiece to a second station, wherein adjacent workpieces at the first station are separated by a first pitch, and adjacent workpieces at the second station are separated by a second pitch.

The pickup device includes: the clamping device comprises at least two clamping parts 10 for clamping workpieces and at least two sliding support seats 20, wherein the clamping parts 10 are supported on the sliding support seats 20, the number of the sliding support seats 20 is the same as that of the clamping parts 10, and the clamping parts 10 are switched between a clamping position and a releasing position; the number of the clamping portions 10 and the number of the slide bearings 20 are determined according to the number of the workpieces at different stations, and as shown in fig. 1, in the present embodiment, the picking device includes four clamping portions 10 and four slide bearings 20. The sliding support seats 20 are respectively connected to the fixed support seats 30 in a sliding manner along a first direction, wherein the sliding support seats 20 are provided with first guide parts 21; the pickup device further comprises a guide driving portion 40 for guiding the sliding support 20 to move, the guide driving portion 40 comprises a guide plate 41 and a first driving mechanism 42 for driving the guide plate 41 to move along a second direction, the second direction and the first direction have a set included angle, that is, the first direction and the second direction are not parallel to each other, a guide groove 41a matched with the first guide portion 21 is arranged on the guide plate 41, and when the first driving mechanism 42 drives the guide plate 41 to move along the second direction, the guide groove 41a drives the first guide portion 21 to move, so that the sliding support 20 moves along the first direction.

When the picking device is used for moving the workpieces from the first station to the second station, the picking device is arranged on the manipulator, the first driving mechanism 42 is controlled to move the sliding support seat 20 along the first direction, and further, the distance between the workpieces on the clamping part 10 is changed from the first distance to the second distance, so that the variable-distance picking of the workpieces is realized. The picking device is simple in structure and high in universality, and can pick workpieces of different specifications and different intervals. In addition, the picking device picks up the workpiece by clamping the workpiece by the clamping part 10, and is more reliable than the picking by a vacuum chuck.

In an alternative embodiment, the first direction is arranged perpendicular to the second direction, for example, as shown in fig. 1, the first direction extends in a horizontal direction and the second direction extends in a vertical direction.

In an alternative embodiment, as shown in fig. 5 and 6, the clamping portion 10 includes two clamping members 11 disposed oppositely and a second driving mechanism 12 for driving the two clamping members 11 to approach or move away from each other; specifically, the second driving mechanism 12 drives the clamping members 11 to move in a non-exclusive manner, and in a specific manner, one of the clamping members 11 is fixed relative to the second driving mechanism 12, and the second driving mechanism 12 drives the other clamping member 11 to move along a straight line; in another mode, the second driving mechanism 12 drives the two clamping members 11 to move towards or away from each other at the same time, so as to clamp or release the clamping portion 10.

Specifically, in an alternative embodiment, the second driving mechanism 12 is a pneumatic driving mechanism that outputs linear motion, such as an air cylinder; one of the clamping members 11 is fixed on the cylinder body of the cylinder, and the other clamping member 11 is fixed on the piston rod of the cylinder, so that the clamping or releasing of the clamping part 10 is realized by controlling the air inlet direction of the cylinder. In another alternative, the second drive mechanism 12 is implemented as an electric drive mechanism, such as a linear motor. The manner of driving the clamping member 11 by the electric driving mechanism is similar to that of the pneumatic driving mechanism, and will not be described in detail.

Specifically, in an alternative embodiment, a first slide rail 31 extending along a first direction is disposed on the fixed support 30, and the slide support 20 is slidably connected to the first slide rail 31. The first slide rail 31 is a slide shaft fixedly connected to the fixed support seat 30, and the slide support seat 20 includes a slide sleeve 22 engaged with the slide shaft. The sliding friction of the slide bearing 20 is reduced by the structure in which the slide sleeve 22 is fitted to the slide shaft, and the driving force of the first driving mechanism 42 is reduced. More specifically, the fixed support base 30 is provided with two rows of sliding shafts, the sliding shafts are fixed on the fixed support base 30 through mounting bases at two ends of the sliding shafts, and the inner wall of the sliding sleeve 22 is provided with a sliding ball structure to further reduce sliding friction force.

Specifically, the first driving mechanism 42 is fixed on the fixed support 30, and an output end of the first driving mechanism 42 extends along the second direction and moves linearly along the second direction. More specifically, the first drive mechanism 42 is also a pneumatic drive mechanism or an electric drive mechanism that outputs a linear motion. The guide plate 41 is provided with a bearing support plate perpendicular to the plate surface, and the output end of the first driving mechanism 42 is connected to the bearing support plate.

In an alternative embodiment, in order to improve the stability of the guide plate 41 moving along the second direction, a second slide rail 32 extending along the second direction is provided on the fixed support 30, and the guide plate 41 is slidably connected to the second slide rail 32. More specifically, the second slide rail 32 is a slide shaft respectively disposed on two opposite sides of the fixed support seat 30, correspondingly, the guide plate 41 is respectively disposed on two sides along the first direction, the guide seat 43 is provided with a guide hole sleeved on the slide shaft, and the guide seat 43 is matched with the second slide rail 32 to realize reliable movement of the guide plate 41 along the second direction.

Specifically, the first guiding portion 21 is a guiding wheel fixed on the slide bearing 20, the guiding wheel is inserted into the guiding groove 41a and moves under the action of the guiding groove 41a, wherein the extending direction of the guiding groove 41a forms an included angle with the first direction and the second direction respectively, that is, the extending direction of the guiding groove 41a is neither parallel to the first direction nor the second direction, so that the slide bearing 20 can move synchronously along the first direction and the second direction.

In order to ensure that the clamping portions 10 move synchronously, the heights of the guide grooves 41a in the second direction are equal, that is, the guide grooves 41a act on the first guide portion 21 synchronously, so that the slide support 20 drives the clamping portions 10 to move synchronously.

In order to equalize the pitch between the adjacent works, the pitch between the adjacent guide grooves 41a in the first direction is equalized, so that the pitch between the adjacent slide bearings 20 is equalized when the slide bearings 20 are moved in the first direction under the guide of the guide plate 41.

Furthermore, four guide grooves 41a are provided on the guide plate 41 corresponding to the four clamping portions 10, and the four guide grooves 41a are arranged in a mirror image symmetry manner in pairs with the longitudinal center line of the guide plate 41 as a central axis. The included angle between the extending direction of the two guide grooves 41a close to the center line and the first direction is 60-85 degrees, and the included angle between the extending direction of the two guide grooves 41a far from the center line and the first direction is 30-50 degrees.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A variable pitch pick-up device comprising:

at least two clamping parts, wherein the clamping parts are switched between a clamping position and a releasing position;

the clamping device comprises at least two sliding supporting seats and a fixed supporting seat, wherein the sliding supporting seats are respectively connected to the fixed supporting seats in a sliding mode along a first direction, clamping parts are respectively supported on the sliding supporting seats, and a first guide part is arranged on each sliding supporting seat;

the guide driving part comprises a guide plate and a first driving mechanism for driving the guide plate to move along a second direction, the second direction has a set included angle with the first direction, the guide plate is provided with a guide groove matched with the first guide part, and the first driving mechanism drives the guide plate to move along the second direction to drive the sliding support seat to move along the first direction.

2. The variable pitch pick-up device of claim 1, wherein the gripping portion comprises two gripping members disposed opposite to each other and a second driving mechanism for driving the two gripping members to approach or move away from each other.

3. The variable pitch pick-up device of claim 2, wherein the second drive mechanism is a pneumatic drive mechanism or an electric drive mechanism outputting linear motion.

4. The variable pitch pick-up device of claim 1, wherein the fixed support has a first rail extending in a first direction, and the slide support is slidably connected to the first rail.

5. The variable pitch pick-up device of claim 4, wherein said first slide rail is a slide shaft fixedly attached to said fixed support, said slide support including a slide sleeve engaging said slide shaft.

6. The variable pitch pick-up device of claim 1, wherein said first drive mechanism is fixed to said stationary support, and an output end of said first drive mechanism extends in a second direction.

7. The variable pitch pick-up device of claim 6, wherein the fixed support base is provided with a second slide rail extending in the second direction, and the guide plate is slidably connected to the second slide rail.

8. The variable pitch pick-up device as claimed in claim 1, wherein the guide grooves extend at an angle to the first direction and the second direction, respectively.

9. The variable pitch pick-up device of claim 1, wherein the plurality of guide slots are equal in height along the second direction.

10. A variable-pitch pick-up device as claimed in claim 1, wherein adjacent guide grooves are equally spaced in the first direction.