Blowing mechanism and assembling machine

Abstract

The utility model discloses a blowing mechanism and an assembling machine. Wherein the blowing mechanism comprises a cylinder and an air column, and a cavity is formed in the cylinder; the air column is arranged in the cylinder in a sliding and penetrating manner and divides the cavity into a first cavity and a second cavity, the air column is provided with an air outlet hole communicated with air in the first cavity, and the air column comprises a first sliding position reached by compressing the volume of the second cavity and a second sliding position reached by compressing the volume of the first cavity; when the air column is in the first sliding position, the air outlet hole extends out of the barrel, and the length of the portion, extending out of the barrel, of the air column in the first sliding position is larger than the length of the portion, extending out of the barrel, of the air column in the second sliding position. When the computer keyboard is assembled and machined, the air column is firstly located at the first sliding position, and cleaning of parts on the assembling table top is completed through air. After cleaning is completed, the air column moves to the second sliding position, and assembling of the next keyboard is facilitated. Therefore, the assembling efficiency can be improved while the assembling cost of the computer keyboard is reduced.

Description

Technical Field

[0001] The utility model belongs to the field of automation technology, and specifically relates to an air blowing mechanism and an assembling machine. Background Art

[0002] Computer keyboards are usually composed of scissor feet and keycaps assembled on a keyboard motherboard with circuits. Among them, the scissor feet are a commonly used and compact part. During the assembly process of the keyboard, the scissor feet are usually inserted into the corresponding position of the keyboard motherboard first, and then the keycaps are pressed into the position.

[0003] When assembling a keyboard, the assembly machine usually works on an assembly table, and each computer keyboard is assembled separately in turn. After the previous keyboard is assembled and before the next keyboard is assembled, there may be missing keycaps or other parts left on the assembly table of the assembly table. At this time, if the next keyboard motherboard is placed directly on the assembly table, during the subsequent pressing process, the abutment between the keyboard motherboard and the parts on the assembly table may be damaged due to large local forces. If the relevant staff inspects and cleans the assembly table after each assembly, it will consume a certain amount of time. The above situation not only increases production costs, but also reduces assembly efficiency.

[0004] Therefore, in view of the above technical problems, it is necessary to provide a blowing mechanism and an assembly machine. Utility Model Content

[0005] The utility model aims to provide an air blowing mechanism and an assembly machine, which can solve the problem that parts may be missed on the table surface of the above-mentioned assembly table, causing inconvenience in subsequent keyboard assembly.

[0006] In order to achieve the above object, the utility model provides an air blowing mechanism, and the technical solution of the air blowing mechanism is as follows:

[0007] A blowing mechanism, comprising a cylinder and an air column, wherein a cavity is arranged in the cylinder; the air column is slidably arranged in the cylinder and divides the cavity into a first cavity and a second cavity, the air column is provided with an air outlet hole connected to the gas of the first cavity, and the air column comprises a first sliding position reached by compressing the volume of the second cavity and a second sliding position reached by compressing the volume of the first cavity;

[0008] Wherein, when the air column is in the first sliding position, the air outlet extends out of the cylinder, and the length of the air column extending out of the cylinder in the first sliding position is greater than the length of the air column extending out of the cylinder in the second sliding position.

[0009] In one or more embodiments of the present invention, the first chamber and the second chamber are used to receive gas; when the air pressure in the first chamber is greater than that in the second chamber, the air column compresses the volume of the second chamber to reach a first sliding position; when the air pressure in the second chamber is greater than that in the first chamber, the air column compresses the volume of the first chamber to reach a second sliding position.

[0010] In one or more embodiments of the present invention, the side wall of the cylinder is provided with a first air hole connected to the first chamber and a second air hole connected to the second chamber, and the first air hole and the second air hole are located at two ends of the extension direction of the cavity.

[0011] In one or more embodiments of the present invention, when the gas column is in the second sliding position, the gas column is isolated from the gas in the first chamber; when the gas column is in the first sliding position, the gas column is connected to the gas in the first chamber.

[0012] In one or more embodiments of the present invention, the gas column is further provided with a plurality of gas inlet holes for connecting the second chamber and the gas outlet hole, and the plurality of gas inlet holes are distributed on the peripheral side wall of the gas column.

[0013] In one or more embodiments of the present invention, a spacer ring is disposed on the outer periphery of the air column to separate the cavity into the first chamber and the second chamber, and the spacer ring is in sliding contact with the inner peripheral wall of the cylinder.

[0014] In one or more embodiments of the present invention, a limiting portion is further provided on the circumferential side of the air column, and the limiting portion cooperates with the cylinder to limit the air column from detaching from the cylinder; and / or the cross-sectional shape of the air column is set to be a non-circular shape, and the cylinder is provided with an installation opening matching the shape.

[0015] In one or more embodiments of the present invention, the air column is provided with a guide portion at the air outlet, and the guide portion is used to guide the air flow to flow out in a direction close to the cylinder.

[0016] The utility model also provides an assembly machine, and the technical solution of the assembly machine is as follows:

[0017] An assembly machine comprises an assembly table and the above-mentioned blowing mechanism installed on the assembly table, when the air column is at a first sliding position, the air outlet protrudes out of the assembly surface of the assembly table.

[0018] In one or more embodiments of the present invention, the assembly surface of the assembly table is provided with an assembly area adapted to the shape of the keyboard mainboard, and the assembly area is installed with at least two blowing mechanisms with the same blowing direction, and the blowing mechanism located downstream of the air flow path is within the blowing range of the blowing mechanism located upstream.

[0019] Compared with the prior art, the blowing mechanism and assembly machine of the utility model, when assembling and processing the computer keyboard, the air column is first in the first sliding position, and the gas can flow out through the air outlet of the air column, thereby completing the cleaning of the parts that may exist on the assembly table. After the cleaning is completed, the air column moves to the second sliding position. Since the length of the air column extending out of the cylinder at the first sliding position is greater than the length extending out of the cylinder at the second sliding position, through the reasonable assembly of the blowing mechanism, the air column can be made to not affect the placement of the keyboard at least in the second sliding position, thereby facilitating the smooth assembly of the next keyboard. Therefore, the technical solution of the utility model improves the assembly efficiency while reducing the assembly cost of the computer keyboard. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is a structural schematic diagram of the air blowing mechanism in one embodiment of the utility model;

[0022] Figure 2 It is a structural schematic diagram of an air column in an embodiment of the utility model being located at a first sliding position;

[0023] Figure 3 It is a structural schematic diagram of the gas column in the second sliding position in one embodiment of the utility model;

[0024] Figure 4 This is a structural schematic diagram of an assembly machine in one embodiment of the utility model;

[0025] Figure 5 for Figure 4 A magnified schematic diagram of center A.

[0026] Description of main reference numerals:

[0027] 1. Cylinder; 11. First air hole; 12. Second air hole; 2. Air column; 21. Air outlet; 22. Air inlet; 23. Limiting part; 24. Guide part; 3. Spacer ring; 4. Assembly table; 41. Assembly area. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0029] Reference Figure 1 and Figure 2 An embodiment of the utility model discloses a blowing mechanism. The blowing mechanism includes a cylinder 1 and an air column 2. A cavity is provided in the cylinder 1, and the air column 2 is slidably arranged in the cylinder 1 and divides the cavity into a first chamber and a second chamber. The air column 2 is provided with an air outlet 21 connected to the gas of the first chamber. Specifically, a spacer ring 3 is provided on the outer periphery of the air column 2 so that the cavity is divided into the first chamber and the second chamber, and the spacer ring 3 is in sliding contact with the inner peripheral wall of the cylinder 1.

[0030] It can be understood that in such a setting, the volumes of the first chamber and the second chamber are variable, that is, the first chamber and the second chamber are not fixed spaces in the cavity. In essence, the volumes of the first chamber and the second chamber are limited by the spacer ring 3. The sliding of the gas column 2 in the cylinder 1 drives the synchronous sliding of the spacer ring 3. When the volume of either the first chamber or the second chamber is expanded, the volume of the other chamber is compressed.

[0031] Reference Figure 2 and Figure 3 , the gas column 2 includes a first sliding position ( Figure 2 ), and the second sliding position ( Figure 3 When the air column 2 is in the first sliding position, the air outlet 21 extends out of the cylinder 1, and the length of the air column 2 extending out of the cylinder 1 in the first sliding position is greater than the length of the air column 2 extending out of the cylinder 1 in the second sliding position.

[0032] In this embodiment, the first chamber and the second chamber are used to receive gas, and can be specifically configured so that the first chamber and the second chamber are connected to an external gas source, and gas is provided to the first chamber and the second chamber through the gas source. When the gas pressure in the first chamber is greater than that in the second chamber, the gas column 2 compresses the volume of the second chamber to reach the first sliding position; when the gas pressure in the second chamber is greater than that in the first chamber, the gas column 2 compresses the volume of the first chamber to reach the second sliding position.

[0033] Therefore, by adjusting the air pressure difference between the first chamber and the second chamber, the position of the air column 2 can be adjusted, and when the air column 2 is in the first sliding position, the gas can flow through the first chamber to the air outlet 21, and the gas flowing out of the air outlet 21 can effectively clean the parts on the assembly table.

[0034] Further, refer to Figure 2 The side wall of the cylinder 1 is provided with a first air hole 11 connected to the first chamber and a second air hole 12 connected to the second chamber, and the first air hole 11 and the second air hole 12 are located at both ends of the extension direction of the cavity. The first air hole 11 and the second air hole 12 are respectively connected to an external air source, so that the air pressure difference between the first chamber and the second chamber can be adjusted. The position setting of the first air hole 11 and the second air hole 12 is more conducive to quickly increasing the air pressure of the first chamber or the second chamber, so that the air column 2 responds quickly to switch between the first sliding position and the second sliding position.

[0035] In this embodiment, refer to Figure 2 and Figure 3 When the gas column 2 is in the second sliding position, the gas column 2 is isolated from the gas in the first chamber; when the gas column 2 is in the first sliding position, the gas column 2 is connected to the gas in the first chamber. Therefore, when the gas column 2 is in the second sliding position, the gas column 2 is isolated from the gas in the first chamber, which facilitates the rapid increase of the gas pressure in the first chamber, so that the gas column 2 can reach the second sliding position as quickly as possible. When the gas column 2 is in the second sliding position, the gas column 2 is connected to the gas in the first chamber, so that the gas in the first chamber can flow out through the gas outlet 21 to clean the parts on the assembly table.

[0036] Reference Figure 2 The gas column 2 is also provided with a plurality of gas inlet holes 22 for connecting the second chamber and the gas outlet hole 21, and the plurality of gas inlet holes 22 are distributed on the peripheral side wall of the gas column 2. In this embodiment, four gas inlet holes 22 are provided, and are arranged in a ring shape at the same horizontal height in the gas column 2. The provision of the gas inlet holes 22 allows part of the gas to flow out from the second chamber through the gas inlet holes 22 and the gas outlet hole 21 during the process of the gas column 2 moving from the first sliding position to the second sliding position, and the assembly table can continue to be cleaned. At the same time, the provision of the gas inlet holes 22 is also conducive to the regulation of the air pressure of the first chamber and the second chamber.

[0037] Reference Figure 2 A limiting portion 23 is also provided on the circumferential side of the gas column 2, and the limiting portion 23 cooperates with the cylinder 1 to limit the gas column 2 from being separated from the cylinder 1. Specifically, the limiting portion 23 can be set as a convex block, and the convex block abuts against the upper part of the cylinder 1, so as to effectively limit the gas column 2 from being separated from the cylinder 1. It can be understood that the limiting portion 23 can also be other structures with limiting functions.

[0038] Reference Figure 1, the cross-sectional shape of the gas column 2 is set to be a non-circular shape, and the cylinder 1 is provided with an installation opening that matches the shape. The non-circular design of the cross-sectional shape of the gas column 2 can limit the moving direction of the gas column 2 and reduce the possibility of the gas column 2 rotating, thereby ensuring the outflow direction of the gas at the gas outlet 21. Among them, in this embodiment, the cross-sectional shape of the gas column 2 is provided with a straight edge on the basis of a circle. In other embodiments, its shape can also be other non-circular shapes such as an ellipse, a square, a triangle, etc.

[0039] Reference Figure 2 The gas column 2 is provided with a guide portion 24 at the gas outlet 21, and the guide portion 24 is used to guide the gas flow to flow out in the direction close to the cylinder 1. In this embodiment, the guide portion 24 guides the flow direction of the gas by making the side wall of the gas outlet 21 of the gas column 2 inclined. Of course, in other embodiments, a structure such as an inclined baffle plate that is convenient for guiding the flow direction of the gas can also be provided at the gas outlet 21.

[0040] Reference Figure 4 and Figure 5 The utility model also discloses an assembly machine in one embodiment. The assembly machine includes an assembly table 4 and the above-mentioned blowing mechanism ( Figure 4 As shown at the mark a in the figure, when the air column 2 is in the first sliding position, the air outlet 21 protrudes out of the assembly surface of the assembly platform 4.

[0041] Therefore, when assembling a computer keyboard, the air column 2 is first placed in the first sliding position to clean up the parts that may be present on the assembly table. After cleaning up, the air column 2 moves to the second sliding position to facilitate the smooth installation of the next keyboard.

[0042] Reference Figure 4 The assembly surface of the assembly table 4 is provided with an assembly area 41 adapted to the shape of the keyboard mainboard, and the assembly area 41 is equipped with at least two blowing mechanisms with the same blowing direction, and the blowing mechanism located downstream of the air flow path is within the blowing range of the blowing mechanism located upstream. When assembling a computer keyboard, the keyboard mainboard is placed in the assembly area 41. When assembling the next keyboard, since the blowing range of the blowing mechanism is limited, by providing at least two blowing mechanisms, the parts that may exist on the assembly surface of the assembly table 4 can be effectively cleaned. At the same time, by reasonably assembling the blowing mechanism, the assembly machine can ensure that the air column does not affect the placement of the keyboard when it is in the second sliding position, thereby facilitating the smooth assembly of the next keyboard. Therefore, it is possible to improve the assembly efficiency while reducing the assembly cost of the computer keyboard.

[0043] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0044] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A blowing mechanism, characterized in that: include: A cylinder (1) having a cavity disposed therein; An air column (2) is slidably disposed in the cylinder (1) and divides the cavity into a first chamber and a second chamber. The air column (2) is provided with an air outlet (21) in gas communication with the first chamber. The air column (2) includes a first sliding position reached by compressing the volume of the second chamber and a second sliding position reached by compressing the volume of the first chamber. Wherein, when the air column (2) is in the first sliding position, the air outlet (21) extends out of the cylinder (1), and the length of the air column (2) extending out of the cylinder (1) in the first sliding position is greater than the length of the air column (2) extending out of the cylinder (1) in the second sliding position.

2. The blowing mechanism according to claim 1, characterized in that: The first chamber and the second chamber are used to receive gas; when the gas pressure in the first chamber is greater than that in the second chamber, the gas column (2) compresses the volume of the second chamber to reach a first sliding position; when the gas pressure in the second chamber is greater than that in the first chamber, the gas column (2) compresses the volume of the first chamber to reach a second sliding position.

3. The blowing mechanism according to claim 2, characterized in that: The side wall of the cylinder (1) is provided with a first air hole (11) communicating with the first chamber and a second air hole (12) communicating with the second chamber. The first air hole (11) and the second air hole (12) are located at two ends of the extension direction of the cavity.

4. The blowing mechanism according to claim 2, characterized in that: When the gas column (2) is in the second sliding position, the gas column (2) is isolated from the gas in the first chamber; when the gas column (2) is in the first sliding position, the gas column (2) is connected to the gas in the first chamber.

5. The blowing mechanism according to claim 1, characterized in that: The gas column (2) is also provided with a plurality of gas inlet holes (22) for gas communication between the second chamber and the gas outlet hole (21), and the plurality of gas inlet holes (22) are distributed on the peripheral side wall of the gas column (2).

6. The blowing mechanism according to claim 1, characterized in that: The outer periphery of the air column (2) is provided with a spacer ring (3) for separating the cavity into the first chamber and the second chamber, and the spacer ring (3) is in sliding contact with the inner peripheral wall of the cylinder (1).

7. The blowing mechanism according to claim 1, characterized in that: A limiting portion (23) is also provided on the circumferential side of the gas column (2), and the limiting portion (23) cooperates with the cylinder (1) to limit the gas column (2) from being separated from the cylinder (1); and / or, The cross-sectional shape of the air column (2) is set to be a non-circular shape, and the cylinder (1) is provided with a mounting opening matching the shape.

8. The blowing mechanism according to claim 1, characterized in that: The air column (2) is provided with a guide portion (24) at the air outlet (21), and the guide portion (24) is used to guide the air flow to flow out in a direction close to the cylinder (1).

9. An assembly machine, characterized in that: It comprises an assembly table (4) and a blowing mechanism as claimed in any one of claims 1 to 8 installed on the assembly table (4), and when the air column (2) is in a first sliding position, the air outlet (21) protrudes out of the assembly surface of the assembly table (4).

10. The assembly machine according to claim 9, characterized in that: The assembly surface of the assembly table (4) is provided with an assembly area (41) adapted to the shape of the keyboard mainboard, and the assembly area (41) is equipped with at least two blowing mechanisms with the same blowing direction, and the blowing mechanism located downstream of the air flow path is within the blowing range of the blowing mechanism located upstream.

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