Silica gel coating mechanism

Abstract

The utility model provides a silica gel coating mechanism which comprises a gel cylinder, the upper end of the gel cylinder is open and provided with a cylinder cover, an electric push rod is installed on the upper surface of the cylinder cover, the movable end of the electric push rod extends into the gel cylinder and is provided with a pressing head, the pressing head is installed in the gel cylinder in a sliding mode, and a gel discharging pipe is installed at the bottom of the gel cylinder. A first valve is installed at the lower end of the glue discharging pipe, a hollow pipe is installed at the lower end of the first valve, a rubber hose is installed at the lower end of the hollow pipe, a hollow flat head is arranged at the lower end of the rubber hose, a positioning rod is fixedly connected to one end of the hollow flat head, and the other end of the positioning rod is fixedly connected with the hollow pipe. One end, far away from the positioning rod, of the hollow flat head is rotatably connected with a screw rod, the screw rod is in threaded connection with the vertical part of the L-shaped plate, and the device has the following beneficial effects that the width of the glue outlet in the glue barrel can be adjusted along with the surface width of the sensor, the whole section of the sensor can be coated at a time, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a silica gel coating mechanism and belongs to the sensor processing field. BACKGROUND

[0002] The sensor needs to be smeared with heat-conducting silica gel in the processing process, which can provide good heat conductivity and insulation for the sensor. At present, the heat-conducting silica gel is generally stored in a glue cylinder, and the heat-conducting silica gel in the glue cylinder is extruded to be discharged from the glue outlet on the glue cylinder, so as to facilitate the coating of the heat-conducting silica gel on the surface of the sensor. The size of the glue outlet on the glue cylinder is fixed, and the sensor has different widths, so the glue outlet with a fixed size cannot completely coat the sensor with a width greater than the width of the glue outlet in one time, and more than two times of coating is required, which not only affects the work efficiency, but also causes the heat-conducting silica gel on the surface of the sensor to be uneven due to multiple coating. Therefore, it is necessary to design a silica gel coating mechanism with a glue outlet width that can be adjusted according to the width of the surface of the sensor. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model aims to provide a silica gel coating mechanism to solve the problems in the background art. The utility model realizes the adjustment of the width of the glue outlet on the glue cylinder according to the width of the surface of the sensor, which is beneficial to the one-time coating of the full cross section of the sensor and improves the work efficiency.

[0004] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a silica gel coating mechanism, comprising a glue cylinder, the upper end of the glue cylinder is open and is provided with a cylinder cover, an electric push rod is installed on the upper surface of the cylinder cover, the movable end of the electric push rod extends into the glue cylinder and is provided with a pressure head, the pressure head is slidingly installed in the glue cylinder, a glue discharge pipe is installed at the bottom of the glue cylinder, a first valve is installed at the lower end of the glue discharge pipe, a hollow pipe is installed at the lower end of the first valve, a rubber hose is installed at the lower end of the hollow pipe, the lower end of the rubber hose is a hollow flat head, a positioning rod is fixedly connected to one end of the hollow flat head, the other end of the positioning rod is fixedly connected with the hollow pipe, a screw rod is rotatably connected to the end of the hollow flat head away from the positioning rod, the screw rod is threadedly connected with the vertical part of an L-shaped plate, the horizontal part of the L-shaped plate is fixedly connected with the hollow pipe, and a handle is fixedly connected to the end of the screw rod away from the hollow flat head.

[0005] Further, a pressing plate is arranged at the lower end of the vertical part of the L-shaped plate, one end of the pressing plate is hingedly connected with the L-shaped plate, a lower semicircular groove is formed in the side of the pressing plate facing the L-shaped plate, an upper semicircular groove is formed in the side of the L-shaped plate facing the pressing plate, the upper semicircular groove and the lower semicircular groove are aligned, an internal thread matched with the screw rod is formed in the circular space formed by the upper semicircular groove and the lower semicircular groove, the end of the pressing plate away from the hinge connection with the L-shaped plate is connected with a supporting lug through a connecting screw, and the supporting lug is fixedly connected with the L-shaped plate.

[0006] Further, the screw is rotatably connected with a connecting plate at one end away from the handle, and the connecting plate is fixedly connected with the hollow flat head.

[0007] Further, a first protrusion is fixedly connected with one side of the connecting plate away from the screw, and the first protrusion is fixedly connected with the hollow flat head and integrally formed with the hollow flat head.

[0008] Further, a second protrusion is fixedly connected with one end of the positioning rod away from the hollow tube, and the second protrusion is fixedly connected with the hollow flat head and integrally formed with the hollow flat head.

[0009] Further, an outer thread is formed on the outer surface of the upper end of the rubber tube, and an inner thread matched with the outer thread is formed on the inner surface of the cover.

[0010] The utility model discloses the beneficial effects of:

[0011] 1. The handle is rotated to move the screw away from the hollow flat head, at this time, the screw and the positioning rod jointly pull the hollow flat head, so that the width of the hollow flat head increases, until the width of the glue outlet of the hollow flat head matches the width of the sensor surface, and then when the electric push rod drives the pressure head to extrude the heat-conducting silica gel in the rubber tube, the width of the heat-conducting silica gel discharged from the hollow flat head increases, the width of the glue outlet of the hollow flat head is adjusted with the width of the sensor surface, which is beneficial to single-time coating of the full section of the sensor and improves the work efficiency.

[0012] 2. The connecting screw is used to connect the supporting lug and the pressing plate, and then the screw is screwed into the space formed by the upper semicircular groove and the lower semicircular groove, and the threaded connection of the screw and the L-shaped plate is completed, when small sundries enter the space formed by the upper semicircular groove and the lower semicircular groove and affect the rotation of the screw, the pressing plate and the supporting lug can be separated after the connecting screw is removed, and the small sundries in the lower semicircular groove and the upper semicircular groove can be conveniently cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of the non-limiting embodiments with reference to the accompanying drawings:

[0014] Figure 1 It is a structure schematic view of the silica gel coating mechanism of the utility model;

[0015] Figure 2 It is Figure 1 It is an enlarged view of A in the middle;

[0016] Figure 3 It is an assembly schematic view of the pressure head, the cover and the rubber tube in the silica gel coating mechanism of the utility model;

[0017] In the figure: 1 - rubber cylinder, 2 - rubber discharging pipe, 3 - first valve, 4 - hollow pipe, 5 - L-shaped plate, 6 - rubber hose, 7 - positioning rod, 8 - connecting pipe, 9 - second valve, 10 - electric push rod, 11 - cylinder cover, 12 - handle, 13 - pressing plate, 14 - supporting lug, 15 - screw rod, 16 - first protrusion, 17 - hollow flat head, 18 - second protrusion, 19 - pressing head. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application will be further described below in conjunction with specific embodiments.

[0019] Please refer to Figure 1 and Figure 3 The present application provides a technical solution: a silica gel coating mechanism, which comprises a rubber cylinder 1, the upper end of the rubber cylinder 1 is open and has an outer thread, a cylinder cover 11 with an inner thread on the inner surface is threadedly connected to the open end of the rubber cylinder 1, the connection between the cylinder cover 11 and the rubber cylinder 1 is completed, the movable end of an electric push rod 10 installed on the upper surface of the cylinder cover 11 extends into the rubber cylinder 1 and is provided with a pressing head 19, wherein the pressing head 19 is slidingly installed in the rubber cylinder 1, a rubber discharging pipe 2 is installed at the bottom of the rubber cylinder 1, the electric push rod 10 is controlled to extend, and then the electric push rod 10 drives the pressing head 19 to move downward, so that the heat-conducting silica gel in the rubber cylinder 1 is discharged from the rubber discharging pipe 2 under the extrusion of the pressing head 19.

[0020] Please refer to Figure 1 and Figure 3 A first valve 3 is installed at the lower end of the rubber discharging pipe 2, and a second valve 9 is installed on the outer surface of the rubber discharging pipe 2, wherein the other end of the second valve 9 is provided with a connecting pipe 8 connected to a silica gel supply pipe, when the heat-conducting silica gel in the rubber cylinder 1 is used up, the first valve 3 is closed, the second valve 9 is opened, and then the electric push rod 10 is controlled to retract, and then the electric push rod 10 drives the pressing head 19 to move upward, so that a negative pressure is formed in the rubber cylinder 1, and under the action of the negative pressure, the heat-conducting silica gel in the silica gel supply pipe enters the rubber cylinder 1, thereby realizing the replenishment of the heat-conducting silica gel in the rubber cylinder 1.

[0021] Please refer to Figure 1 and Figure 2, the lower end of the hollow tube 4 is provided with a rubber hose 6, the lower end of the rubber hose 6 is provided with a hollow flat head 17, one end of the hollow flat head 17 is fixedly connected with a positioning rod 7, the other end of the positioning rod 7 is fixedly connected with the hollow tube 4, the end of the positioning rod 7 away from the hollow tube 4 is fixedly connected with a second protruding block 18, the second protruding block 18 is fixedly connected with the hollow flat head 17 and is integrally formed with the hollow flat head 17, the design of the second protruding block 18 facilitates the stable connection of the positioning rod 7 and the hollow flat head 17, the end of the hollow flat head 17 away from the positioning rod 7 is fixedly connected with a first protruding block 16 integrally formed with the hollow flat head 17, the end of the first protruding block 16 away from the hollow flat head 17 is fixedly connected with a connecting plate, the surface of the connecting plate away from the first protruding block 16 is rotatably connected with a screw rod 15, the design of the connecting plate and the first protruding block 16 facilitates the stable connection of the screw rod 15 and the hollow flat head 17, the screw rod 15 is threadedly connected with the vertical part of an L-shaped plate 5, the horizontal part of the L-shaped plate 5 is fixedly connected with the hollow tube 4, the end of the screw rod 15 away from the hollow flat head 17 is fixedly connected with a handle 12, the handle 12 is used to rotate the screw rod 15 to move the screw rod 15 away from the hollow flat head 17, at this time, the screw rod 15 and the positioning rod 7 jointly pull the hollow flat head 17 to increase the width of the hollow flat head 17, until the width of the glue outlet of the hollow flat head 17 matches the width of the surface of the sensor, and then the electric push rod 10 drives the pressure head 19 to extrude the heat-conducting silica gel in the rubber cylinder 1, the width of the heat-conducting silica gel discharged from the hollow flat head 17 is increased, the width of the glue outlet of the hollow flat head 17 is adjusted according to the width of the surface of the sensor, which is beneficial to single-time coating of the full section of the sensor and improves the work efficiency.

[0022] Referring to Figure 1 and Figure 2 , the vertical part of the L-shaped plate 5 is provided with a pressing plate 13, one end of the pressing plate 13 is hingedly connected with the L-shaped plate 5, the surface of the pressing plate 13 facing the L-shaped plate 5 is provided with a lower semicircular groove, the surface of the L-shaped plate 5 facing the pressing plate 13 is provided with an upper semicircular groove aligned with the lower semicircular groove, the circular space formed by the upper semicircular groove and the lower semicircular groove is processed with an internal thread matched with the screw rod 15, the end of the pressing plate 13 away from the hinged connection with the L-shaped plate 5 is connected with a supporting lug 14 through a connecting screw, the supporting lug 14 is fixedly connected with the L-shaped plate 5, the supporting lug 14 and the pressing plate 13 are connected through the connecting screw, then the screw rod 15 is threadedly connected in the space formed by the upper semicircular groove and the lower semicircular groove, the thread connection of the screw rod 15 and the L-shaped plate 5 is completed, when small sundries enter the space formed by the upper semicircular groove and the lower semicircular groove to affect the rotation of the screw rod 15, the connecting screw is disassembled to separate the pressing plate 13 and the supporting lug 14, which is convenient for cleaning the small sundries in the lower semicircular groove and the upper semicircular groove.

[0023] Although the present specification is described in terms of embodiments, not every embodiment exhibits every characteristic or implements every combination of features described in the present specification. In addition, not every embodiment includes every embodiment described in the present specification. The description herein of any embodiment, including any preferred embodiment, is thus intended to be illustrative, and not restrictive. The scope of the present application is thus intended to be broad, and will be set forth in the following claims.

Claims

1. A silicone coating mechanism, comprising a rubber cylinder (1), characterized in that: The upper end of the rubber cylinder (1) is open and is provided with a cylinder cover (11). An electric push rod (10) is provided on the upper surface of the cylinder cover (11). The movable end of the electric push rod (10) extends into the rubber cylinder (1) and is provided with a pressure head (19). The pressure head (19) is slidably provided in the rubber cylinder (1). A rubber discharge pipe (2) is provided at the bottom of the rubber cylinder (1). A first valve (3) is provided at the lower end of the rubber discharge pipe (2). A hollow pipe (4) is provided at the lower end of the first valve (3). A rubber hose (6) is provided at the lower end of the hollow pipe (4). The lower end of the rubber hose (6) is a hollow flat head (17), one end of the hollow flat head (17) is connected and fixed with a positioning rod (7), the other end of the positioning rod (7) is connected and fixed with the hollow tube (4), the end of the hollow flat head (17) away from the positioning rod (7) is rotatably connected with a screw rod (15), the screw rod (15) is threadedly connected to the vertical part of the L-shaped plate (5), the horizontal part of the L-shaped plate (5) is connected and fixed with the hollow tube (4), and the end of the screw rod (15) away from the hollow flat head (17) is connected and fixed with a handle (12).

2. The silicone coating mechanism according to claim 1, characterized in that: The lower end of the vertical portion of the L-shaped plate (5) is provided with a pressing plate (13), one end of the pressing plate (13) is hinged to the L-shaped plate (5), a lower semicircular groove is provided on the side of the pressing plate (13) facing the L-shaped plate (5), an upper semicircular groove aligned with the lower semicircular groove is provided on the side of the L-shaped plate (5) facing the pressing plate (13), an internal thread matching the screw (15) is processed in the circular space formed by the upper semicircular groove and the lower semicircular groove, and the end of the pressing plate (13) away from the hinged end of the pressing plate (13) and the L-shaped plate (5) is connected to the support ear (14) by a connecting screw, and the support ear (14) is connected and fixed to the L-shaped plate (5).

3. The silicone coating mechanism according to claim 1, characterized in that: One end of the screw rod (15) away from the handle (12) is rotatably connected to a connecting plate, and the connecting plate is fixedly connected to the hollow flat head (17).

4. The silicone coating mechanism according to claim 3, characterized in that: A first convex block (16) is connected and fixed to a side of the connecting plate facing away from the screw rod (15); the first convex block (16) is connected and fixed to the hollow flat head (17); and the first convex block (16) and the hollow flat head (17) are integrally formed.

5. The silicone coating mechanism according to claim 1, characterized in that: A second protrusion (18) is connected and fixed to one end of the positioning rod (7) away from the hollow tube (4); the second protrusion (18) is connected and fixed to the hollow flat head (17); and the second protrusion (18) and the hollow flat head (17) are integrally formed.

6. The silicone coating mechanism according to claim 1, characterized in that: The outer surface of the upper end of the rubber cylinder (1) is processed with an external thread, and the inner surface of the cylinder cover (11) is processed with an internal thread that matches the external thread.

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