CN219698025U - Workpiece adsorption device and film pasting equipment - Google Patents

Abstract

The utility model provides a workpiece adsorption device and film sticking equipment. The adsorption mechanism comprises a rotary driving piece and an adsorption head, the adsorption head is used for adsorbing a workpiece, the output end of the rotary driving piece is connected with the adsorption head, and the rotary driving piece is used for driving the adsorption head to rotate; the lifting driving mechanism is in transmission connection with the adsorption mechanism and is used for driving the adsorption mechanism to move relative to the main body. According to the workpiece adsorption device and the film sticking equipment, the lifting driving mechanism is used for driving the adsorption mechanism to move so as to realize the picking and placing operation of workpieces, and the precision and the automation degree of workpiece picking and placing are improved. The workpiece adsorption device further utilizes the rotary driving piece to drive the adsorption head to drive the workpiece to rotate, so that the functions of multi-angle material taking and discharging are realized, and the adaptability and the application range of the workpiece adsorption device are improved.

Description

Workpiece adsorption device and film pasting equipment

Technical Field

The utility model relates to the technical field of automation, in particular to a workpiece adsorption device and film pasting equipment.

Background

In the conventional electronic products, FPC workpieces (also called flexible circuit boards) are usually disposed, and in the process of producing or assembling the workpieces, the placement position or the placement posture of the workpieces needs to be changed.

At present, a workpiece is usually replaced by a manual or adsorption device in the production or assembly application process of the workpiece, but the existing adsorption device can only adsorb the workpiece to do lifting motion and can only complete simple replacing and placing actions, when the workpiece deviates in the C-axis direction, the workpiece cannot be compensated, so that the placed workpiece is uneven, and the application range of the adsorption device is narrow.

Disclosure of Invention

In view of this, the utility model provides a workpiece adsorption device and a film sticking device, which are used for solving the problems that the adsorption device in the prior art can only complete simple picking and placing actions, and when the workpiece deviates in the C axis direction, the workpiece cannot be compensated, so that the placed workpiece is uneven, and the application range of the adsorption device is narrow.

The utility model provides a workpiece adsorption device, which comprises a main body, an adsorption mechanism arranged on the main body in a sliding manner along a first direction and a lifting driving mechanism arranged on the main body. The adsorption mechanism comprises a rotary driving piece and an adsorption head, the adsorption head is used for adsorbing a workpiece, the output end of the rotary driving piece is connected with the adsorption head, and the rotary driving piece is used for driving the adsorption head to rotate; the lifting driving mechanism is in transmission connection with the adsorption mechanism, and the lifting driving mechanism is used for driving the adsorption mechanism to move relative to the main body.

In one possible design, the workpiece adsorbing device further includes a position identifying device, where the position identifying device is disposed on the main body, the position identifying device includes an identifying component and an auxiliary light source component, a detection direction of the identifying component is the first direction, and the auxiliary light source component is used for illuminating a detection area of the identifying component along the detection direction.

In one possible design, the auxiliary light source assembly includes a coaxial light source and/or an annular light source.

In one possible design, the adsorption mechanism further includes a transmission shaft and a holding device, wherein two ends of the transmission shaft are respectively connected with the rotary driving piece and the adsorption head, the holding device is mounted on the main body, and the holding device is provided with a bearing hole for the transmission shaft to pass through.

In one possible design, the lifting drive mechanism comprises a synchronous belt, and the adsorption mechanism is fixedly connected with the synchronous belt.

In one possible design, the adsorption mechanism further comprises a connecting body, a guide post and an elastic piece, wherein the connecting body is provided with a guide part matched with the guide post, the guide post penetrates through the guide part to be connected with the adsorption head, and the guide post is connected with the guide post

The extension direction of the directional part is the first direction, and the elastic piece is arranged between the adsorption head and the connecting main body.

In one possible design, the elastic element is a spring.

In one possible design, the adsorption head is provided with an adsorption surface, and adsorption holes are formed in the adsorption surface and are communicated with an external air extraction device so that negative pressure is generated in the adsorption holes.

In one possible design, the workpiece adsorbing device includes two adsorbing mechanisms, the two adsorbing mechanisms are disposed on the same surface of the main body, and sliding directions of the two adsorbing mechanisms are parallel to each other.

The utility model also provides a film sticking device which comprises the workpiece adsorption device.

According to the workpiece adsorption device and the film sticking equipment, the lifting driving mechanism is used for driving the adsorption mechanism to move so as to realize the picking and placing operation of the workpiece, so that the precision and the automation degree of workpiece picking and placing are improved; the workpiece adsorption device also drives the adsorption head to drive the workpiece to rotate by utilizing the rotary driving piece, and even if the workpiece deviates in the C-axis direction, the workpiece adsorption device can compensate the position of the workpiece, so that the workpiece is placed neatly. Thus, the adaptability and the application range of the workpiece adsorption device are improved.

Additional features and advantages of embodiments of the utility model will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of embodiments of the utility model. The objectives and other advantages of embodiments of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a workpiece adsorbing device according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of another view angle of the workpiece adsorbing device according to the embodiment of the utility model;

fig. 3 is a schematic diagram illustrating disassembly of a part of a structure of an adsorption mechanism according to an embodiment of the present utility model.

Reference numerals:

100. a workpiece adsorption device;

1. a main body;

11. a first direction;

2. an adsorption mechanism;

21. a rotary driving member;

22. an adsorption head;

221. an adsorption surface;

23. a transmission shaft;

24. a holding device;

241. a bearing hole;

25. a connecting body;

251. a guide part;

26. a guide post;

27. an elastic member;

3. a lifting driving mechanism;

31. a synchronous belt;

4. a position recognition device;

41. an identification component;

42. an auxiliary light source assembly;

421. a coaxial light source;

422. an annular light source.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

Detailed Description

For a better understanding of the technical solution of the present utility model, the following detailed description of the embodiments of the present utility model refers to the accompanying drawings.

It should be understood that the described embodiments are merely some, but not all, embodiments of the utility model. 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.

It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

The terminology used in the embodiments of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

In the description of embodiments of the present utility model, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present utility model, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

In the description of the embodiments of the present utility model, the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness"

The positional or positional relationship indicated by "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the positional or positional relationship shown in the drawings, is merely for convenience of description of the embodiments of the present utility model and to simplify the description, and does 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 therefore should not be construed as limiting the embodiments of the present utility model. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.

In the description of the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

The following describes specific embodiments of a workpiece adsorbing device according to the present utility model.

The utility model provides a workpiece adsorption device 100, which comprises a main body 1, an adsorption mechanism 2 arranged on the main body 1 in a sliding manner along a first direction 11 and a lifting driving mechanism 3 arranged on the main body 1. The adsorption mechanism 2 comprises a rotary driving piece 21 and an adsorption head 22, the adsorption head 22 is used for adsorbing a workpiece, the output end of the rotary driving piece 21 is connected with the adsorption head 22, and the rotary driving piece 21 is used for driving the adsorption head 22 to rotate; the lifting driving mechanism 3 is in transmission connection with the adsorption mechanism 2, and the lifting driving mechanism 3 is used for driving the adsorption mechanism 2 to move relative to the main body 1.

Referring to fig. 1 and 2, a workpiece suction apparatus 100 is used for sucking a workpiece, which may be a sheet-like or film-like workpiece, such as an FPC or the like. The workpiece adsorbing device 100 can be installed on an automation device such as a mechanical arm, and the workpiece adsorbing device 100 can be moved from one position to another position by utilizing the moving capability of the mechanical arm, and the workpiece adsorbing device 100 can adsorb a workpiece from one position and place the workpiece at another position in the process.

The main body 1 may be a plate-like structure, and the extending direction of the main body 1 is a first direction 11, and in some embodiments, the first direction 11 may be a vertical direction, where the adsorption mechanism 2 performs a lifting motion relative to the main body 1 during operation.

The suction mechanism 2 may be connected to the main body 1 by a conventional rail structure so that the suction mechanism 2 can slide in the first direction 11 relative to the main body 1. The rotary driving member 21 in the adsorption mechanism 2 may be a motor, the output end of the rotary driving member 21 is an output shaft of the motor, the output end of the rotary driving member 21 is connected with the adsorption head 22, and considering the distance between the rotary driving member 21 and the adsorption head 22, the output end of the rotary driving member 21 may be connected with the adsorption head 22 through a coupling and a transmission shaft 23. The suction head 22 can adopt a suction cup structure, a negative pressure channel for ventilation can be arranged in the suction cup, and when a workpiece is required to be sucked, air in the negative pressure channel is pumped out by an external negative pressure device, so that negative pressure is formed between the suction cup and the workpiece; the suction head 22 can also adopt a flat plate structure, a negative pressure channel is arranged in the flat plate structure, small holes communicated with the negative pressure channel are distributed on one surface of the flat plate structure close to the workpiece, and when the workpiece is required to be sucked, air in the negative pressure channel is pumped out by an external negative pressure device, so that negative pressure is formed between the flat plate structure and the workpiece;

the lifting driving mechanism 3 can be a telescopic cylinder, a synchronous pulley transmission mechanism and the like. In this embodiment, the specific type of the lifting driving mechanism 3 is not limited, and those skilled in the art can easily connect according to the specific type of the mechanism with respect to the specific connection mode of the lifting driving mechanism 3, which is not described herein. The lifting driving mechanism 3 is mounted on the main body 1 and is in transmission connection with the adsorption mechanism 2, so that the lifting driving mechanism 3 can drive the adsorption mechanism 2 to move relative to the main body 1.

An operation example of the work suction device 100 is given below:

the workpiece is placed at the first position, the workpiece adsorption device 100 is located above the first position, and the lifting driving mechanism 3 drives the whole adsorption mechanism 2 to move in the direction approaching to the workpiece until the adsorption head 22 is abutted with the workpiece, and the adsorption head 22 adsorbs the workpiece. The lifting drive mechanism 3 then drives the suction mechanism 2 as a whole in a direction away from the first position until the workpiece is disengaged from the first position. Then, the workpiece adsorbing device 100 can be moved to the position above the second position by an external automation device, in the process, the rotary driving piece 21 drives the adsorbing head 22 to drive the workpiece to rotate by a preset angle, and when the workpiece is rotated and the workpiece adsorbing device 100 is moved to the position above the second position, the lifting driving mechanism 3 drives the whole adsorbing mechanism 2 to move towards the direction close to the second position until the workpiece is abutted to the second position, and the adsorbing head 22 releases the workpiece so that the workpiece is arranged at the second position.

According to the workpiece adsorption device 100 provided by the utility model, the lifting driving mechanism 3 is utilized to drive the adsorption mechanism 2 to move so as to realize the picking and placing operation of workpieces, so that the precision and the automation degree of workpiece picking and placing are improved; the workpiece adsorbing device 100 also drives the adsorbing head 22 to drive the workpiece to rotate by using the rotary driving member 21, and even if the workpiece is offset in the C-axis direction (the axis representing the rotational movement about the Z-axis direction), the workpiece adsorbing device can compensate the position of the workpiece, so that the workpiece is placed neatly. Thus, the adaptability and the application range of the workpiece adsorption device 100 are improved.

In one embodiment, the workpiece adsorbing device 100 further includes a position identifying device 4, the position identifying device 4 is disposed on the main body 1, the position identifying device 4 includes an identifying component 41 and an auxiliary light source component 42, the detecting direction of the identifying component 41 is the first direction 11, and the auxiliary light source component 42 is used for illuminating the detecting area of the identifying component 41 along the detecting direction.

Referring to fig. 1, the position recognition device 4 is a device for recognizing a position of the workpiece adsorbing device 100, the position recognition device 4 may be mounted on the main body 1 through a conventional fixed connection structure, the recognition component 41 in the position recognition device 4 may be a machine vision recognition device such as a CCD camera, and the auxiliary light source component 42 in the position recognition device 4 may be an LED light source.

The detection direction of the recognition component 41 is consistent with the first direction 11, the front part in the detection direction of the recognition component 41 is a detection area, when the position of the position recognition device 4 moves, the recognition component 41 can detect that the image in the detection area changes, and the position recognition device 4 can recognize the position of the workpiece adsorption device 100 through recognizing the image in the detection area, so that the positioning precision and the moving precision of the workpiece adsorption device 100 are improved.

In one embodiment, the auxiliary light source assembly 42 includes a coaxial light source 421 and/or an annular light source 422.

Referring to fig. 1, an on-axis light source 421 (e.g., a diffuse on-axis lamp, a metal plane diffuse reflecting illumination light source) provides more uniform illumination than conventional light sources, thus improving accuracy and reproducibility of machine vision. The annular light source 422 comprises light beads which are arrayed in a cone shape and irradiate the surface of the measured object at an oblique angle, the annular light source 422 illuminates a small area in a diffuse reflection mode, the light source can highlight the edge and the height change of the measured object, and the part which is difficult to see is highlighted, so that the annular light source is an ideal choice for edge detection, lettering of the metal surface and damage detection. The coaxial light source 421 and the annular light source 422 in this embodiment can be used alone or in combination, and when the types of workpieces are different, appropriate light can be selected from a plurality of light distribution modes, so as to improve the recognition efficiency and recognition effect of the recognition component 41, and further improve the versatility of the workpiece adsorption device 100.

In one embodiment, the adsorption mechanism 2 further includes a transmission shaft 23 and a holding device 24, wherein both ends of the transmission shaft 23 are respectively connected with the rotary driving member 21 and the adsorption head 22, the holding device 24 is mounted on the main body 1, and the holding device 24 is provided with a bearing hole 241 through which the transmission shaft 23 passes.

Referring to fig. 1, one end of a transmission shaft 23 may be connected to an output shaft of a rotary driving member 21 through a coupling, the other end of the transmission shaft 23 is fixedly connected to an adsorption head 22, and in order to ensure position accuracy of the transmission shaft 23, a retaining device 24 is further provided on the main body 1, the retaining device 24 may be a bearing frame assembly, a bearing is installed in the bearing frame assembly, the bearing has a bearing hole 241, and the transmission shaft 23 passes through the bearing hole 241. The transmission shaft 23 can ensure the rotation coaxiality of the workpiece under the support of the holding device 24, so that the precision of the workpiece adsorption device 100 in rotating the workpiece is improved.

In some embodiments, the transmission shaft 23 may be a hollow shaft, two ends of the transmission shaft 23 are provided with air pipe interfaces, the air pipe interface near the upper end of the transmission shaft 23 is connected with the air extractor, and the interface near the lower end of the transmission shaft 23 is connected with the adsorption head 22 so as to make the adsorption head 22 generate attractive force.

In one embodiment, the lifting driving mechanism 3 comprises a synchronous belt, and the adsorption mechanism 2 is fixedly connected with the synchronous belt 31.

Referring to fig. 2, in the present embodiment, the lifting driving mechanism 3 is a synchronous pulley transmission mechanism, which has the advantage of low cost, and the synchronous pulley transmission mechanism includes a motor, a driving wheel, a driven wheel, and a synchronous belt 31 wound on the driving wheel and the driven wheel, wherein the motor is connected with the driving wheel and drives the driving wheel to rotate, and the synchronous belt 31 moves along with the rotation of the driving wheel. In this embodiment, the driving wheel and the driven wheel should be disposed at intervals in the first direction 11, so that the adsorption mechanism 2 can be lifted or lowered along the first direction 11 under the driving of the synchronous belt 31 after being fixedly connected with the synchronous belt 31.

In one embodiment, the adsorption mechanism 2 further includes a connection body 25, a guide post 26, and an elastic member 27, the connection body 25 is provided with a guide portion 251 matched with the guide post 26, the guide post 26 is connected with the adsorption head 22 through the guide portion 251, the extension direction of the guide post 26 and the guide portion 251 is the first direction 11, and the elastic member 27 is disposed between the adsorption head 22 and the connection body 25.

Referring to fig. 1 and 3, the connecting body 25 may have a block structure, and a guiding portion 251 is disposed on the connecting body 25. The guide post 26 may be a bolt, and a screw portion of the guide post 26 passes through the guide portion 251 to be connected with the adsorption head 22, and a bolt head portion of the guide post 26 abuts against the connection body 25. Since the extending direction of the guide post 26 and the guide portion 251 is the first direction 11, the suction head 22 can slide in the first direction 11 with respect to the connection body 25. The elastic member 27 may be an elastic member such as a spring, a rubber column, etc., which is made of an elastic material and deforms under an external force, and returns to its original shape after the external force is removed, and in one embodiment, the elastic member 27 may be a coil spring.

In the present embodiment, even if the lower precision of the elevation drive mechanism 3 causes the excessive movement of the suction head 22, the elastic member 27 between the suction head 22 and the connection body 25 can shorten the distance between the suction head 22 and the connection body 25 by compression, thereby avoiding the workpiece from being crushed. The embodiment further improves the use effect of the workpiece adsorbing device 100 and reduces the damage probability of the workpiece.

In one embodiment, the adsorption head 22 is provided with an adsorption surface 221, and adsorption holes are formed in the adsorption surface 221 and are communicated with an external air pumping device so as to generate negative pressure in the adsorption holes.

Referring to fig. 3, the suction head 22 has a square block structure, a suction surface 221 is disposed on a surface of the suction head 22 close to the workpiece, suction holes are distributed on the suction surface 221, and an external air exhaust device is communicated with the suction holes to generate negative pressure in the suction holes so as to suck the workpiece.

In one embodiment, the workpiece adsorbing device 100 includes two adsorbing mechanisms 2, the two adsorbing mechanisms 2 are disposed on the same surface of the main body 1, and sliding directions of the two adsorbing mechanisms 2 are parallel to each other.

Referring to fig. 1 and 2, two suction mechanisms 2 can be operated simultaneously or separately, and the work efficiency of the work suction apparatus 100 can be significantly improved by providing two suction mechanisms 2 in the same work suction apparatus 100.

The utility model also provides a film pasting device, which comprises the workpiece adsorption device 100. The film sticking apparatus may include a robot arm to which the workpiece suction device 100 is mounted, and the robot arm may operate the workpiece suction device 100 to suction and transport a workpiece from one location to another. Since the film laminating apparatus includes the workpiece adsorbing device 100, it is obvious that the film laminating apparatus has the advantages of the workpiece adsorbing device 100, and will not be described herein.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.

Claims (10)

1. A workpiece adsorbing device, characterized by comprising:

a main body;

the adsorption mechanism is arranged on the main body in a sliding manner along a first direction and comprises a rotary driving piece and an adsorption head, the adsorption head is used for adsorbing a workpiece, the output end of the rotary driving piece is connected with the adsorption head, and the rotary driving piece is used for driving the adsorption head to rotate;

the lifting driving mechanism is arranged on the main body and is in transmission connection with the adsorption mechanism, and the lifting driving mechanism is used for driving the adsorption mechanism to move relative to the main body.

2. The workpiece adsorbing device as set forth in claim 1, further comprising a position recognition device provided to the main body, the position recognition device including a recognition component and an auxiliary light source component, the detection direction of the recognition component being a first direction, the auxiliary light source component being for illuminating a detection area of the recognition component in the detection direction.

3. The workpiece suction device as defined in claim 2, wherein the auxiliary light source assembly comprises a coaxial light source and/or an annular light source.

4. The workpiece adsorbing device as set forth in claim 1, wherein the adsorbing mechanism further comprises a drive shaft and a holding device, both ends of the drive shaft are connected with the rotary driving member and the adsorbing head, respectively, the holding device is mounted to the main body, and the holding device is provided with a bearing hole through which the drive shaft passes.

5. The workpiece adsorbing device as set forth in claim 1, wherein said lifting drive mechanism comprises a timing belt, said adsorbing mechanism being fixedly connected to said timing belt.

6. The workpiece adsorbing device as set forth in claim 1 or 5, wherein the adsorbing mechanism further comprises a connecting body provided with a guide portion fitted with the guide post, the guide post penetrating through the guide portion to be connected with the adsorbing head, the extending direction of the guide post and the guide portion being a first direction, and an elastic member provided between the adsorbing head and the connecting body.

7. The workpiece suction device as defined in claim 6, wherein said resilient member is a spring.

8. The workpiece suction device as defined in any one of claims 1 to 5, wherein the suction head is provided with a suction surface, suction holes are formed in the suction surface, and the suction holes are communicated with an external air suction device so as to generate negative pressure in the suction holes.

9. The workpiece adsorbing device as set forth in any one of claims 1 to 5, wherein the workpiece adsorbing device comprises two adsorbing mechanisms, the two adsorbing mechanisms are disposed on the same face of the main body, and sliding directions of the two adsorbing mechanisms are parallel to each other.

10. A film laminating apparatus, characterized in that the film laminating apparatus comprises the workpiece adsorbing device according to any one of claims 1 to 9.