Glue supply device and glue pressure plate thereof

Abstract

The utility model discloses a glue supply device and a glue pressure plate thereof. The glue pressure plate comprises a pressure plate body and a pneumatic valve connector, the pressure plate body is provided with a piston pump interface and a pneumatic valve interface; a bubble guide groove is formed in the lower end face of the pressure plate body and communicated with the piston pump connector and the pneumatic valve connector. On the path from the piston pump connector to the pneumatic valve connector, the concave depth of the bubble guiding groove is increased, and an inclined face structure is formed. When the lower end face is in contact with the liquid level of glue, bubbles can move towards a sunken vacant area, namely the bubble guide groove, under the action of pressure, and further, due to the arrangement of the inclined plane of the bubble guide groove, the bubbles can easily and rapidly rise to the pneumatic valve connector along the bubble guide groove in the inclined direction. And finally, the bubbles are discharged from the pneumatic valve interface to the valve port of the connected pneumatic valve. The bubble guide groove can guide bubbles to be concentrated to one position, the situation that the bubbles irregularly move around on the lower end face and cannot be exhausted is avoided, operation time is saved, and glue loss is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of glue conveying, in particular to a glue supply device and a glue pressure plate thereof. Background Art

[0002] In the production and processing of many fields, glue supply devices are often used to transport glue to a designated working surface to achieve bonding and fixing between two objects. In the existing glue supply device, a glue pressure plate connected by a piston pump is inserted into a glue barrel filled with glue, and the glue pressure plate presses against the liquid surface of the glue. The piston pump performs reciprocating motion, driving the glue pressure plate to transport the glue from the glue barrel to the glue outlet pipeline of the glue supply device. The glue pressure plate of the glue supply device is an indispensable component for realizing glue transportation.

[0003] The glue pressure plate in the prior art is generally a simple disc structure with a flat lower surface. When the glue pressure plate is inserted into the glue barrel, a certain amount of gas will be sealed in, so that the glue just discharged from the newly installed glue barrel will contain bubbles. In addition, due to the high viscosity of the glue, the liquid level of the glue just poured into the glue barrel is uneven. The liquid level height difference area also causes the existence of gas between the lower end surface of the glue pressure plate and the glue liquid surface. Bubbles will affect the quality of the glue, so the newly installed glue barrel needs to drain the glue directly instead of transporting it to the application where glue bonding is required. After the bubbles in the glue are drained, it will be transported to the application. Since the lower end surface of the glue pressure plate is a flat structure, the bubbles move around irregularly on the lower end surface of the glue pressure plate and cannot be concentrated in one place. The removal of bubbles often requires a large amount of glue to be wasted and requires a long operation time. Utility Model Content

[0004] In view of this, the purpose of the present invention is to provide a glue supply device and a glue pressure plate thereof to solve the above problems.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] The utility model first provides a glue pressure plate, which includes a pressure plate body and a pneumatic valve connector. The pressure plate body is provided with a piston pump interface and a pneumatic valve interface that penetrate the pressure plate body, and a piston pump is provided at the upper end surface of the pressure plate body to connect the piston pump interface; a bubble guide groove is provided at the lower end surface of the pressure plate body, and the bubble guide groove connects the piston pump interface and the pneumatic valve interface. On the path from the piston pump interface to the pneumatic valve interface, the inner concave depth of the bubble guide groove increases to form an inclined surface structure; one end of the pneumatic valve connector is connected to the pneumatic valve, and the other end is connected to the pneumatic valve interface from the upper end surface of the pressure plate body, which is used to discharge bubbles entering from the pneumatic valve interface from the valve port provided by the pneumatic valve.

[0007] Preferably, the pressure plate body is disc-shaped, the piston pump interface is located at the center of the pressure plate body, and an air pipe interface is also provided on the pressure plate body. The air pipe interface is connected to an air pipe joint, and the air pipe interface and the pneumatic valve interface are symmetrically arranged on the same radial direction of the pressure plate body.

[0008] Preferably, in the path from the piston pump interface toward the pneumatic valve interface, the length of the bubble guide groove is not less than half of the radial length of the pressure plate body.

[0009] Preferably, the side surface of the pressure plate body between its upper end surface and lower end surface is concave to form an annular groove, and an elastic waterproof sealing ring is embedded and fixed in the annular groove, and the radial length of the elastic waterproof sealing ring is greater than the radial length of the pressure plate body.

[0010] Preferably, the lower end surface of the pressure plate body is also formed with an inclined surface adjacent to the bubble guiding groove and inclined inwardly toward the bubble guiding groove.

[0011] Preferably, the inclined surfaces formed by the lower end surface of the pressure plate body are located on opposite sides of the bubble guiding groove.

[0012] Preferably, a pressure sensor is provided on the pressure plate body.

[0013] Preferably, the piston pump is fastened to the upper end surface of the pressure plate body by screws.

[0014] The utility model also provides a glue supply device, which comprises the glue pressure plate as described above.

[0015] The technical effects achieved by the technical solution of the utility model mainly include:

[0016] The glue pressure plate of the glue supply device mentioned above replaces the lower end surface of the existing flat pressure plate body, opens a bubble guide groove thereon, and provides a pneumatic valve interface for discharging bubbles, so that the bubble guide groove forms a connection between the piston pump interface and the pneumatic valve interface. When the lower end surface of the pressure plate body contacts the glue liquid surface, the bubbles will move to the recessed empty area under the action of pressure, instead of moving around on the lower end surface and being unable to enter the piston pump interface to be discharged. Since the bubble guide groove is a slope structure with an increased inner concave depth, the bubbles can be quickly guided along the bubble guide groove to the pneumatic valve interface, and discharged from the pneumatic valve interface to the valve port of the pneumatic valve, thereby effectively reducing the loss of glue, shortening the operation time, and improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a glue pressure plate connected to a piston pump provided in an embodiment of the utility model;

[0018] Figure 2It is a structural schematic diagram of one side of the upper end surface of the pressure plate body in the glue pressure plate;

[0019] Figure 3 is a bottom view of the glue pressure plate;

[0020] Figure 4 is a schematic diagram of the glue in the glue pressing barrel under the glue pressing plate;

[0021] Figure 5 The structure disassembly diagram of the glue pressure plate;

[0022] Figure 6 It is a schematic diagram of setting a pressure sensor on the glue pressure plate.

[0023] The reference numerals in the above drawings are:

[0024] Pressure plate body 1, piston pump interface 101, pneumatic valve interface 102, bubble guide groove 103, air pipe interface 104, annular groove 105, upper end surface 1a of pressure plate body, lower end surface 1b of pressure plate body, elastic waterproof sealing ring 11, pressure sensor 12, pneumatic valve connector 2, piston pump 3, air pipe connector 4, rubber barrel 500. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model clearer, the specific embodiments of the utility model are described in detail below in conjunction with the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the utility model shown in the accompanying drawings and described according to the accompanying drawings are merely exemplary, and the utility model is not limited to these embodiments.

[0026] In order to avoid obscuring the present invention due to unnecessary details, only structures and / or processing steps closely related to the solutions according to the present invention are shown in the drawings, while other details that are not very relevant are omitted. Figure 4 The wavy line in the figure represents that the extended structure of the glue barrel 500 described below is omitted, the dashed line represents the glue in the glue barrel 500, and the circle represents an exemplary bubble.

[0027] Reference Figure 1 and Figure 2 As shown, an embodiment of the utility model provides a glue pressure plate, which includes a pressure plate body 1 and a pneumatic valve connector 2.

[0028] The pressure plate body 1 is provided with a piston pump interface 101 and a pneumatic valve interface 102 penetrating the pressure plate body 1, and a piston pump 3 connected to the piston pump interface 101 is provided at the upper end surface 1a of the pressure plate body 1;

[0029] Combination Figure 2 and Figure 3As shown, a bubble guide groove 103 is provided at the lower end surface 1b of the pressure plate body 1, and the bubble guide groove 103 is connected to the piston pump interface 101 and the pneumatic valve interface 102. On the path from the piston pump interface 101 to the pneumatic valve interface 102, the inner concave depth of the bubble guide groove 103 increases, forming an inclined surface structure;

[0030] One end of the pneumatic valve connector 2 is connected to a pneumatic valve, and the other end is connected to the pneumatic valve interface 102 from the upper end surface 1a of the pressure plate body 1, so as to discharge the bubbles entering from the pneumatic valve interface 102 from the valve port of the pneumatic valve.

[0031] By utilizing the structural design of the above-mentioned glue pressure plate, when the lower end surface 1b of the pressure plate body 1 contacts the glue liquid surface, due to the existence of the bubble guide groove 103 connected to the pneumatic valve interface 102, the bubbles will move to the recessed empty area under the action of pressure and enter the bubble guide groove 103. Furthermore, since the path surface of the bubble guide groove 103 from the piston pump interface 101 to the pneumatic valve interface 102 is an inclined surface with an increasing concave depth, the bubbles continue to rise obliquely along the bubble guide groove 103 to the pneumatic valve interface 102, and finally the bubbles can be discharged from the pneumatic valve interface 102 to the valve port of the pneumatic valve. Under the action of pressure, the bubble guide groove 103 can guide the bubbles on the glue liquid surface to concentrate in one place, avoiding the bubbles from moving around irregularly on the lower end surface 1b of the pressure plate body 1 and being unable to be discharged, and quickly completing the glue discharge process, saving operation time and saving glue waste.

[0032] Combination Figures 1 to 4 As shown, the exemplary working process of the above-mentioned glue pressure plate provided by the embodiment of the utility model is as follows: after installing the glue barrel 500 filled with glue, start the driving air source to drive the piston pump 3, and the piston pump 3 drives the glue pressure plate to move downward to press the glue in the glue barrel 500. When the glue pressure plate moves to an appropriate position and it is difficult for the glue pressure plate to continue to move downward, a certain air pressure is generated between the glue liquid surface and the glue pressure plate. At this time, wait for a certain time and wait for the bubbles to complete the movement by themselves, such as 30 seconds, so that the bubbles move to the bubble guide groove 103 or the pneumatic valve interface 102 under the action of air pressure, and the bubble guide groove 103 guides the bubbles to move to the pneumatic valve interface 102, and then open the pneumatic valve to discharge the bubbles and a part of the glue. After observing that there are no detailed bubbles in the discharged glue, close the pneumatic valve and start normal glue supply of the glue supply device.

[0033] The glue pressure plate is particularly suitable for a large-capacity glue barrel 500. In this embodiment, a 5-gallon glue barrel 500 is used, and the piston pump 3 uses a 10cc pump body.

[0034] The platen body 1 is in the shape of a disk, and the piston pump interface 101 is located at the center of the platen body 1. Furthermore, an air pipe interface 104 is provided on the platen body 1, and the air pipe interface 104 is connected to an air pipe connector 4. The air pipe interface 104 and the pneumatic valve interface 102 are symmetrically arranged in the same radial direction of the platen body 1. The air pipe interface 104 can be connected to various mechanisms as needed. In this embodiment, the air pipe connector 4 can be used to connect other mechanisms to assist in the discharge of bubbles, thereby further improving the operating efficiency.

[0035] On the path from the piston pump interface 101 toward the pneumatic valve interface 102 , the length of the bubble guiding groove 103 is not less than half of the radial length of the pressure plate body 1 , so as to cover the area where bubbles can be guided as much as possible.

[0036] like Figure 5 As shown, the side surface of the pressure plate body 1 between its upper end surface 1a and the lower end surface 1b is concave to form an annular groove 105, and an elastic waterproof sealing ring 11 is embedded and fixed in the annular groove 105, and the radial length of the elastic waterproof sealing ring 11 is greater than the radial length of the pressure plate body 1. The elastic waterproof sealing ring 11 can abut against the inner wall of the glue barrel 500 to play an effective sealing role, scrape off the glue on the inner wall of the glue barrel 500, and reduce loss. Exemplarily, the elastic waterproof sealing ring 11 is generally made of anti-sticking material to facilitate glue separation.

[0037] In order to further improve the guiding effect on the bubbles and further shorten the bubble discharge time, the lower end surface 1b of the pressure plate body 1 is also formed with a concave slope inclined toward the bubble guiding groove 103 adjacent to the bubble guiding groove 103, which appropriately expands the guiding area where the bubbles can be concentrated.

[0038] Specifically, the inclined surfaces formed by the lower end surface 1 b of the platen body 1 are located on two opposite sides of the bubble guiding groove 103 .

[0039] like Figure 6 As shown, the pressure plate body 1 is provided with a pressure sensor 12, which is embedded in the upper end surface 1a of the pressure plate body 1. The operator can use the pressure difference between glue and air to determine the residual air amount inside the glue barrel, and display it with specific values. The existing sensor triggers the host computer controller setting, and the abnormal value can be automatically transmitted to the host computer controller to control the piston pump 3 to drive the above-mentioned glue pressure plate to start and stop the bubble discharge, without the need for operators to manually observe the control process.

[0040] In order to firmly connect the piston pump and effectively utilize the structural thickness of the pressure plate body 1, a threaded hole is opened on the upper end surface 1a of the pressure plate body 1, and the piston pump 3 is screwed to the upper end surface 1a of the pressure plate body 1.

[0041] The embodiment of the utility model also provides a glue supply device, which includes the glue pressure plate as described above, in which a piston pump 3 connected to a piston pump interface 101 is provided at the upper end surface 1a of the pressure plate body 1, and one end of the pneumatic valve connector 2 is connected to a pneumatic valve.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0043] The above is only a specific implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A glue pressure plate, characterized in that: It comprises a pressure plate body (1) and a pneumatic valve connector (2). The pressure plate body (1) is provided with a piston pump interface (101) and a pneumatic valve interface (102) that penetrate the pressure plate body (1), and a piston pump (3) is provided at the upper end surface (1a) of the pressure plate body (1) to connect to the piston pump interface (101); A bubble guiding groove (103) is provided at the lower end surface (1b) of the pressure plate body (1), and the bubble guiding groove (103) is connected to the piston pump interface (101) and the pneumatic valve interface (102). On the path from the piston pump interface (101) toward the pneumatic valve interface (102), the inner concave depth of the bubble guiding groove (103) increases, forming an inclined surface structure; One end of the pneumatic valve connector (2) is connected to a pneumatic valve, and the other end is connected to the pneumatic valve interface (102) from the upper end surface (1a) of the pressure plate body (1), and is used to discharge bubbles entering from the pneumatic valve interface (102) from the valve port provided in the pneumatic valve.

2. The glue pressure plate according to claim 1, characterized in that: The pressure plate body (1) is in the shape of a disk, the piston pump interface (101) is located at the center of the pressure plate body (1), and an air pipe interface (104) is also provided on the pressure plate body (1), the air pipe interface (104) is connected to an air pipe joint (4), and the air pipe interface (104) and the pneumatic valve interface (102) are symmetrically arranged on the same radial direction of the pressure plate body (1).

3. The glue pressure plate according to claim 2, characterized in that: On the path from the piston pump interface (101) toward the pneumatic valve interface (102), the length of the bubble guide groove (103) is not less than half of the radial length of the pressure plate body (1).

4. The glue pressure plate according to claim 2, characterized in that: The side surface of the pressure plate body (1) between its upper end surface (1a) and lower end surface (1b) is inwardly concave to form an annular groove (105), and an elastic waterproof sealing ring (11) is embedded and fixed in the annular groove (105), and the radial length of the elastic waterproof sealing ring (11) is greater than the radial length of the pressure plate body (1).

5. The glue pressure plate according to claim 1, characterized in that: The lower end surface (1b) of the pressure plate body (1) is also formed with an inclined surface which is concave and inclined toward the bubble guiding groove (103) adjacent to the bubble guiding groove (103).

6. The glue pressure plate according to claim 2, characterized in that: The inclined surface formed by the lower end surface (1b) of the pressure plate body (1) is located on two opposite sides of the bubble guiding groove (103).

7. The glue pressure plate according to claim 1, characterized in that: A pressure sensor (12) is provided on the pressure plate body (1).

8. The glue pressure plate according to claim 1, characterized in that: The piston pump (3) is screwed onto the upper end surface (1a) of the pressure plate body (1).

9. A glue supply device, characterized in that: It comprises a glue pressure plate as described in any one of claims 1 to 8.

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