CN112978338B

CN112978338B - Pushing mechanism

Info

Publication number: CN112978338B
Application number: CN202110453004.5A
Authority: CN
Inventors: 郜福亮; 杨军福; 王晓春; 姜王敏; 杨健; 曲东升; 李长峰
Original assignee: Mingsai Robot Technology Dongguan Co ltd; Changzhou Mingseal Robotic Technology Co Ltd
Current assignee: Mingsai Robot Technology Dongguan Co ltd; Changzhou Mingseal Robotic Technology Co Ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-08-13
Anticipated expiration: 2041-04-26
Also published as: CN112978338A

Abstract

The invention discloses a material pushing mechanism, which comprises: a housing; the body of the power component is connected with the shell; the winding shaft is rotationally connected with the shell, and one end of the winding shaft is connected with the output end of the power component; the flexible material pushing plate is partially arranged in the shell and is wound on the winding shaft; the guide assembly is rotatably arranged in the shell and is used for performing rolling guide on the other part of the flexible material pushing plate; the power component drives the winding shaft to rotate, so that one part of the flexible material pushing plate is driven to rotate, and the other part of the flexible material pushing plate is driven to linearly move along a certain direction. The flexible material pushing plate is accommodated by the winding shaft, the space utilization rate is improved, the material pushing part on the flexible material pushing plate is guided in a rolling mode by the guide assembly, on one hand, the flexible material pushing plate moves in the linear direction to push materials, on the other hand, friction debris is reduced compared with sliding friction in rolling friction, and the yield is improved.

Description

Pushing mechanism

Technical Field

The invention belongs to the technical field of material transportation, and particularly relates to a material pushing mechanism.

Background

The pushing element in the existing pushing mechanism is mostly a rigid body, and is mostly required to be stored in an auxiliary mechanism with equal length when resetting, so that the whole size of the pushing mechanism is large, and the pushing mechanism is difficult to be applied to surface mounting equipment with compact layout. In addition, surface mounting equipment has special requirements on cleanliness, and if a guide mechanism of a material pushing mechanism adopts sliding friction, more friction chips can be generated, so that the cleanliness is reduced, and finally the mounting yield is reduced.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art.

Therefore, the invention provides a pushing mechanism which has the advantages of compact structure and difficulty in generating fragments.

According to the pushing equipment of the embodiment of the invention, the pushing equipment comprises: a housing; the body of the power part is connected with the shell; the winding shaft is rotatably connected with the shell, and one end of the winding shaft is connected with the output end of the power component; a flexible material pushing plate, a part of which is arranged in the shell and is wound on the winding shaft; the guide assembly is rotatably arranged in the shell and is used for performing rolling guide on the other part of the flexible material pushing plate; the power component drives the winding shaft to rotate, so that one part of the flexible material pushing plate is driven to rotate, and the other part of the flexible material pushing plate is driven to linearly move along a certain direction.

The flexible pushing plate rolling guide device has the advantages that the structure is simple, the flexible pushing plate is wound and stored by the winding shaft, the space utilization rate is effectively improved, meanwhile, the guide assembly is used for rolling and guiding the pushing part on the flexible pushing plate, on one hand, the flexible pushing plate is enabled to reciprocate in the linear direction to push materials, on the other hand, rolling friction is compared with sliding friction, the generation of friction scraps is reduced, and the yield is further improved.

According to one embodiment of the invention, the housing comprises: a first side plate; a second side plate disposed opposite the first side plate; the connecting columns are located between the first side plate and the second side plate, one ends of the connecting columns are connected with the first side plate, and the other ends of the connecting columns are connected with the second side plate.

According to an embodiment of the invention, the pusher mechanism further comprises: the pressing pieces are arranged between the first side plate and the second side plate and distributed around the winding shaft; and one end of the first spring plunger is connected with the shell, and the other end of the first spring plunger is abutted against the end part of the pressing piece so as to press the side surface of the pressing piece on a part of the flexible material pushing plate.

According to one embodiment of the invention, the guide assembly comprises: the two ends of the lower pressing wheel are respectively connected with the first side plate and the second side plate in a rotating mode; the upper pressing wheel is arranged right above the lower pressing wheel, two ends of the upper pressing wheel are respectively connected with the first side plate and the second side plate in a rotating mode, and the other part of the flexible material pushing plate penetrates through the space between the upper pressing wheel and the lower pressing wheel; and one ends of the two second spring plungers are connected with the shell, and the other ends of the two second spring plungers are abutted against the end part of the lower pressing wheel or the upper pressing wheel.

According to one embodiment of the invention, the outer peripheral surface of the upper pressing wheel is an arc-shaped convex surface, the outer peripheral surface of the lower pressing wheel is an arc-shaped concave surface matched with the arc-shaped convex surface, the other part of the flexible material pushing plate is formed into an arc-shaped plate, the upper surface of the arc-shaped plate is in rolling contact with the arc-shaped convex surface, and the lower surface of the arc-shaped plate is in rolling contact with the arc-shaped concave surface.

According to an embodiment of the invention, the pusher mechanism further comprises: one end of the first transmission piece is connected with the output end of the power part, and the other end of the first transmission piece is connected with one end of the winding shaft; and one end of the second transmission part is connected with the other end of the winding shaft, and the other end of the second transmission part is connected with one end of the upper pressing wheel.

According to an embodiment of the invention, the pusher mechanism further comprises: and the tensioning wheel is arranged outside the shell and is in rolling contact with the outer peripheral surface of the second transmission piece.

According to an embodiment of the invention, the pusher mechanism further comprises: the material pushing block is arranged at one end of the arc-shaped plate; the limiting plate is arranged on one side of the shell and located below the arc-shaped plate, and at least one part of the limiting plate protrudes out of the lower edge of the material pushing block.

According to an embodiment of the invention, the pusher mechanism further comprises: the nozzle is connected with the shell, and a plurality of air outlet holes facing the arc-shaped plate are formed in the nozzle.

According to an embodiment of the invention, the pusher mechanism further comprises: the first photoelectric sensor is positioned on one side of the material pushing block and is connected with the shell; the arc-shaped plate is provided with in-place photoelectric sensing holes, and the first photoelectric sensor is used for detecting the in-place photoelectric sensing holes.

According to an embodiment of the invention, the pusher mechanism further comprises: the photoelectric blocking piece is arranged on the material pushing block; the second photoelectric sensor is arranged on the shell and located on one side of the photoelectric blocking piece, and the second photoelectric sensor is used for detecting the photoelectric blocking piece.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a perspective view of a pusher mechanism according to the present invention;

FIG. 2 is a schematic perspective view of another angle of the pusher mechanism according to the present invention;

FIG. 3 is a schematic view of the internal structure of the pusher mechanism according to the present invention;

FIG. 4 is a schematic cross-sectional view of a pusher mechanism according to the present invention;

reference numerals:

the device comprises a material pushing mechanism-1, a shell-11, a power part-12, a winding shaft-13, a flexible material pushing plate-14, a guide assembly-15, a pressing piece-16, a first transmission piece-17, a second transmission piece-18, a tensioning wheel-19, a first spring plunger-101, a second spring plunger-102, a material pushing block-103, a first photoelectric sensor-104, a nozzle-105, a limiting plate-106, a photoelectric blocking piece-107, a second photoelectric sensor-108, a first side plate-111, a second side plate-112, a connecting column-113, a lower pressing wheel-151 and an upper pressing wheel-152.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following describes in detail a material pushing mechanism 1 according to an embodiment of the present invention with reference to the drawings.

As shown in fig. 1 to 4, a material pushing mechanism 1 according to an embodiment of the present invention includes: the device comprises a shell 11, a power part 12, a winding shaft 13, a flexible material pushing plate 14 and at least one guide assembly 15, wherein the body of the power part 12 is connected with the shell 11; the winding shaft 13 is rotatably connected with the shell 11, and one end of the winding shaft 13 is connected with the output end of the power component 12; a part of the flexible material pushing plate 14 is arranged in the shell 11, a part of the flexible material pushing plate 14 is wound on the winding shaft 13, and one end of the flexible material pushing plate 14 is fixedly connected with the winding shaft 13; the guide assembly 15 is rotatably arranged in the shell 11 and is used for performing rolling guide on the other part of the flexible material pushing plate 14; the power part 12 drives the winding shaft 13 to rotate, thereby driving one part of the flexible material pushing plate 14 to rotate, and simultaneously driving the other part of the flexible material pushing plate 14 to move linearly along a certain direction. Preferably, the power component 12 is an electric motor. More preferably, the flexible pushing plate 14 is made of strip steel, so that the flexible pushing plate 14 has certain bending performance during winding and certain rigidity after being horizontally unfolded during pushing.

The flexible pushing plate device is simple in structure, the flexible pushing plate 14 is wound and stored by the winding shaft 13, the space utilization rate is effectively improved, meanwhile, the guiding assembly 15 is adopted to roll and guide the pushing part on the flexible pushing plate 14, on one hand, the flexible pushing plate reciprocates along the linear direction to push materials, on the other hand, rolling friction reduces the generation of friction scraps compared with sliding friction, and the yield is further improved.

According to an embodiment of the present invention, as shown in fig. 2, the housing 11 includes: the device comprises a first side plate 111, a second side plate 112 and a plurality of connecting columns 113, wherein the second side plate 112 is arranged opposite to the first side plate 111; a plurality of connecting columns 113 are located between the first side plate 111 and the second side plate 112, one end of the connecting column 113 is connected with the first side plate 111, and the other end of the connecting column 113 is connected with the second side plate 112. Adopt a plurality of spliced poles 113 to link to each other first curb plate 111 and second curb plate 112, form a casing 11, the assembly of being convenient for, the side forms hollow out construction simultaneously, is convenient for maintain.

According to an embodiment of the present invention, as shown in fig. 4, the pushing mechanism further includes: a plurality of pressing pieces 16 and a plurality of first spring plungers 101, wherein the plurality of pressing pieces 16 are arranged between the first side plate 111 and the second side plate 112, and the plurality of pressing pieces 16 are distributed around the winding shaft 13; one end of the first spring plunger 101 is connected to the housing 11, the other end of the first spring plunger 101 abuts against the end of the pressing member 16, and the other end of the first spring plunger 101 is directed toward the winding shaft 13 to press the side of the pressing member 16 against a portion of the flexible stripper plate 14. The first spring plunger 101 is used for elastically pushing the pressing piece 16 to press the flexible material pushing plate 14, so that the flexible material pushing plate 14 is always kept in a pressed state when being wound and stored, the storage is more compact, and the flexible material pushing plate 14 is prevented from being separated from the winding shaft 13.

In some embodiments of the present invention, as shown in fig. 3 and 4, the guide assembly 15 comprises: the pressing device comprises a lower pressing wheel 151, an upper pressing wheel 152 and two second spring plungers 102, wherein two ends of the lower pressing wheel 151 are respectively connected with a first side plate 111 and a second side plate 112 in a rotating mode; the upper pressing wheel 152 is arranged right above the lower pressing wheel 151, two ends of the upper pressing wheel 152 are respectively connected with the first side plate 111 and the second side plate 112 in a rotating mode, and the other part of the flexible material pushing plate 14 penetrates through the space between the upper pressing wheel 152 and the lower pressing wheel 151; one end of each of the two second spring plungers 102 is connected to the housing 11, the other end of each of the two second spring plungers 102 abuts against the end of the lower pressing wheel 151, and the other end of each of the two second spring plungers 102 points to the upper pressing wheel 152. The second spring plunger 102 is utilized to elastically press the lower pressing wheel 151 to the upper pressing wheel 152, so that the other part of the flexible material pushing plate 14 can be pressed to complete the guiding and shaping at the same time, and meanwhile, the space between the lower pressing wheel 151 and the upper pressing wheel 152 can be adapted to the flexible material pushing plates 14 with different thicknesses. In some embodiments of the present invention, the guiding assembly 15 may be a guiding flow channel, an arc-shaped hole is opened in the guiding flow channel in the horizontal direction, and another portion of the flexible material pushing plate 14 passes through the arc-shaped hole.

Further, as shown in fig. 3, the outer peripheral surface of the upper pressing wheel 152 is an arc-shaped convex surface, the outer peripheral surface of the lower pressing wheel 151 is an arc-shaped concave surface matched with the arc-shaped convex surface, another portion of the flexible material pushing plate 14 is formed into an arc-shaped plate, the upper surface of the arc-shaped plate is in rolling contact with the arc-shaped convex surface, and the lower surface of the arc-shaped plate is in rolling contact with the arc-shaped concave surface. By utilizing the pressing action of the upper pressing wheel 152 and the lower pressing wheel 151, the other part of the flexible material pushing plate 14 is formed into an arc-shaped plate structure in the material pushing process, so that the other part of the flexible material pushing plate 14 is prevented from being bent, and the material pushing can be completed along the linear motion.

According to an embodiment of the present invention, as shown in fig. 3, the pushing mechanism further includes: a first transmission piece 17 and a second transmission piece 18, wherein one end of the first transmission piece 17 is connected with the output end of the power part 12, and the other end of the first transmission piece 17 is connected with one end of the winding shaft 13; one end of the second transmission member 18 is connected to the other end of the winding shaft 13, and the other end of the second transmission member 18 is connected to one end of the upper press wheel 152. Preferably, the first transmission member 17 and the second transmission member 18 are both conveyor belts, and are more smooth when driven by the conveyor belts.

According to an embodiment of the present invention, as shown in fig. 2, the pushing mechanism further includes: and a tension pulley 19, wherein the tension pulley 19 is provided outside the housing 11, and the tension pulley 19 is in rolling contact with the outer peripheral surface of the second transmission 18. The tension wheel 19 is used for adjusting the tightness of the second transmission part 18, so that the upper pressure wheel 152 is prevented from slipping.

According to an embodiment of the present invention, as shown in fig. 2, the pushing mechanism further includes: the pushing block 103 and the limiting plate 106, wherein the pushing block 103 is arranged at one end of the arc-shaped plate; the limiting plate 106 is disposed at one side of the housing 11 and below the arc plate, and at least a portion of the limiting plate 106 protrudes from the lower edge of the pusher block 103. By blocking the pusher block 103 by the portion of the retainer plate 106 protruding beyond the lower edge of the pusher block 103, the flexible pusher plate 14 is prevented from completely wrapping around the winding shaft 13. Furthermore, two sides of the limiting plate 106 protrude from the upper edge of the arc-shaped plate to form two guiding protrusions, the arc-shaped plate is located between the two guiding protrusions, and the two guiding protrusions can limit the arc-shaped plate in the left-right direction, so that the arc-shaped plate is prevented from deflecting when pushing materials.

According to an embodiment of the present invention, as shown in fig. 2, the pushing mechanism further includes: and the nozzle 105, wherein the nozzle 105 is connected with the shell 11, and a plurality of air outlet holes facing the arc-shaped plate are formed in the nozzle 105. The nozzle 105 is used for blowing away particle pollution possibly brought in the material pushing process, and the requirement of cleanliness is guaranteed.

According to an embodiment of the present invention, as shown in fig. 2, the pushing mechanism further includes: a first photoelectric sensor 104, wherein the first photoelectric sensor 104 is positioned on one side of the material pushing block 103 and is connected with the shell 11. The first photoelectric sensor 104 can detect whether the extending stroke of the flexible stripper plate 14 is in place. Further, an in-place photoelectric sensing hole is formed in the arc-shaped plate, the first photoelectric sensor 104 is used for detecting the in-place photoelectric sensing hole, the in-place photoelectric sensing hole moves close to the first photoelectric sensor 104 when pushing materials, and when the first photoelectric sensor 104 detects the in-place photoelectric sensing hole, the pushing materials are judged to be in place. Further, the pushing equipment still includes: the photoelectric barrier 107 and the second photoelectric sensor 108, the photoelectric barrier 107 is arranged on the material pushing block 103; the second photoelectric sensor 108 is disposed on the housing 11 and located at one side of the photoelectric barrier 107, and the second photoelectric sensor 108 is used to detect the photoelectric barrier 107, so as to determine whether the retraction stroke of the flexible material pushing plate 14 is in place.

When pushing materials, the power part 12 rotates clockwise, the first transmission part 17 drives the winding shaft 13 and one part of the flexible material pushing plate 14 to rotate clockwise, at the moment, the other part of the flexible material pushing plate 14 extends along a straight line after rolling and extruding through the lower pressing wheel 151 and the upper pressing wheel 152, so that products are pushed, after pushing materials, the power part 12 rotates anticlockwise, one part of the flexible material pushing plate 14 is rewound on the winding shaft 13, and the other part of the flexible material pushing plate 14 finishes shrinking.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A pusher mechanism, comprising:

a housing (11);

the body of the power component (12) is connected with the shell (11);

the winding shaft (13), the winding shaft (13) is rotatably connected with the shell (11), and one end of the winding shaft (13) is connected with the output end of the power component (12);

a flexible material pushing plate (14), wherein a part of the flexible material pushing plate (14) is arranged in the shell (11) and is wound on the winding shaft (13);

at least one guide assembly (15), wherein the guide assembly (15) is rotatably arranged in the shell (11) and is used for performing rolling guide on the other part of the flexible material pushing plate (14);

the power part (12) drives the winding shaft (13) to rotate, so that one part of the flexible material pushing plate (14) is driven to rotate, and the other part of the flexible material pushing plate (14) is driven to linearly move along a certain direction;

the housing (11) includes:

a first side plate (111);

a second side plate (112), the second side plate (112) being disposed opposite the first side plate (111);

a plurality of connecting columns (113), wherein the connecting columns (113) are positioned between the first side plate (111) and the second side plate (112), one end of each connecting column (113) is connected with the first side plate (111), and the other end of each connecting column (113) is connected with the second side plate (112);

the guide assembly (15) comprises:

the two ends of the lower pressing wheel (151) are respectively connected with the first side plate (111) and the second side plate (112) in a rotating mode;

the upper pressing wheel (152) is arranged right above the lower pressing wheel (151), two ends of the upper pressing wheel (152) are respectively connected with the first side plate (111) and the second side plate (112) in a rotating mode, and the other part of the flexible material pushing plate (14) penetrates through the space between the upper pressing wheel (152) and the lower pressing wheel (151);

one ends of the two second spring plungers (102) are connected with the shell (11), and the other ends of the two second spring plungers (102) are abutted against the end part of the lower pressing wheel (151) or the upper pressing wheel (152);

the outer peripheral surface of the upper pressing wheel (152) is an arc-shaped convex surface, the outer peripheral surface of the lower pressing wheel (151) is an arc-shaped concave surface matched with the arc-shaped convex surface, the other part of the flexible material pushing plate (14) is formed into an arc-shaped plate, the upper surface of the arc-shaped plate is in rolling contact with the arc-shaped convex surface, and the lower surface of the arc-shaped plate is in rolling contact with the arc-shaped concave surface.

2. The pusher mechanism of claim 1, further comprising:

the pressing pieces (16) are arranged between the first side plate (111) and the second side plate (112), and the pressing pieces (16) are distributed around the winding shaft (13);

a plurality of first spring plungers (101), one end of each first spring plunger (101) is connected with the shell (11), and the other end of each first spring plunger (101) is abutted against the end of the pressing piece (16) so as to press the side face of the pressing piece (16) on a part of the flexible material pushing plate (14).

3. The pusher mechanism of claim 1, further comprising:

one end of the first transmission piece (17) is connected with the output end of the power part (12), and the other end of the first transmission piece (17) is connected with one end of the winding shaft (13);

one end of the second transmission piece (18) is connected with the other end of the winding shaft (13), and the other end of the second transmission piece (18) is connected with one end of the upper pressing wheel (152).

4. The pusher mechanism of claim 3, further comprising:

and a tension pulley (19), wherein the tension pulley (19) is provided outside the housing (11), and the tension pulley (19) is in rolling contact with the outer peripheral surface of the second transmission member (18).

5. The pusher mechanism of claim 1, further comprising:

the pushing block (103), the pushing block (103) is arranged at one end of the arc-shaped plate;

the limiting plate (106) is arranged on one side of the shell (11) and is located below the arc-shaped plate, and at least one part of the limiting plate (106) protrudes out of the lower edge of the material pushing block (103).

6. The pusher mechanism of claim 1, further comprising:

the nozzle (105), the nozzle (105) with casing (11) link to each other, seted up a plurality of ventholes towards the arc on the nozzle (105).

7. The pusher mechanism of claim 5, further comprising:

a first photoelectric sensor (104), wherein the first photoelectric sensor (104) is positioned on one side of the pushing block (103) and is connected with the shell (11); the arc-shaped plate is provided with in-place photoelectric sensing holes, and the first photoelectric sensor (104) is used for detecting the in-place photoelectric sensing holes.

8. The pusher mechanism of claim 5, further comprising:

the photoelectric barrier sheet (107), the photoelectric barrier sheet (107) is arranged on the material pushing block (103);

the second photoelectric sensor (108) is arranged on the shell (11) and located on one side of the photoelectric barrier sheet (107), and the second photoelectric sensor (108) is used for detecting the photoelectric barrier sheet (107).