Leakage-proof glue pouring valve and double-liquid automatic proportioning vacuum glue pouring machine

Abstract

The utility model provides a leakage-proof glue filling valve and a double-liquid automatic proportioning vacuum glue filling machine, and relates to the technical field of glue filling devices. Comprising a plunger valve and further comprises a mixing rubber pipe connected with the plunger valve, the mixing rubber pipe is connected with at least two rubber paths, and the plunger valve is suitable for pressing rubber liquid guided in from the two rubber paths into the mixing rubber pipe to achieve mixing; a flow meter is arranged on each glue path so as to control the glue solution ratio; a leakage-proof mechanism is arranged on the side face, close to the glue outlet, of the mixed glue pipe and is suitable for tightly abutting against the mixed glue pipe from the side face so that a channel of the mixed glue pipe can be closed. According to the scheme, the leakage-proof effect of the glue filling valve is improved, and the glue filling quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of glue pouring devices, in particular to a leak-proof glue pouring valve and a double-liquid automatic proportioning vacuum glue pouring machine. Background Art

[0002] In vacuum glue filling equipment, the environment of the product needs to be vacuumized during the glue filling process, and glue filling is performed in a vacuum environment to avoid being affected by air. However, after the glue filling is completed, although the glue filling valve stops working, the environment of the glue filling head is still in a vacuum environment, which will cause the glue at the glue filling port to be pulled out, causing wire drawing problems or glue leakage, affecting the accuracy of glue filling. In addition, the existing vacuum glue filling machine has a high manufacturing cost, and there are many bubbles in the glue, which easily affects the glue filling effect. Utility Model Content

[0003] The utility model discloses a leak-proof glue filling valve, aiming to solve the above-mentioned problems.

[0004] The utility model adopts the following scheme:

[0005] The present application provides a leak-proof glue filling valve, comprising a plunger valve and a mixing hose connected to the plunger valve, wherein the mixing hose is connected to at least two glue paths, and the plunger valve is suitable for pressing the glue introduced from the two glue paths into the mixing hose to achieve mixing; a flow meter is provided on each glue path to facilitate control of the glue ratio; a leak-proof mechanism is provided on the side of the mixing hose near the glue outlet, and the leak-proof mechanism is suitable for tightening the mixing hose from the side to close the channel of the mixing hose.

[0006] Furthermore, a fixing device is provided near the glue outlet of the mixing hose to fix the glue outlet position of the mixing hose.

[0007] Furthermore, the leakage prevention mechanism includes a driving mechanism and a fixed block arranged on opposite sides of the mixing hose, the driving mechanism is provided with a telescopic rod, and a tightening block is provided at the end of the telescopic rod to tighten the mixing hose against the fixed block when the telescopic rod is extended, thereby closing the channel in the mixing hose.

[0008] Furthermore, the mixing rubber hose comprises a mixing hose and a rubber outlet hose spliced ​​end to end, and the anti-leakage mechanism is arranged on a side of the rubber outlet hose.

[0009] Furthermore, the flow meter is provided with an electromagnetic regulating valve for adjusting the glue output of the glue liquid.

[0010] The utility model also provides a double-liquid automatic proportioning vacuum glue pouring machine, comprising the leak-proof glue pouring valve described in any one of the above, and also comprising two glue barrels, a vacuum device, and a vacuum glue pouring box, wherein the glue barrels are suitable for supplying glue to the leak-proof glue pouring valve, and a three-axis motion structure is arranged in the vacuum glue pouring box to move the workpiece to the bottom of the leak-proof glue pouring valve for glue pouring; the vacuum device is connected to the vacuum glue pouring box to achieve vacuum in the vacuum glue pouring box.

[0011] Furthermore, a screw pump is provided between each of the glue barrels and the leak-proof glue pouring valve to transport the glue liquid in the glue barrel to the leak-proof glue pouring valve.

[0012] Furthermore, a stirring device and a heating device are provided on the glue barrel, and the glue barrel is connected to the vacuum device to perform vacuum treatment on the glue in the glue barrel. The stirring device is suitable for stirring the glue liquid in the barrel body; the heating device is provided on the glue barrel to heat the glue liquid in the glue barrel.

[0013] Furthermore, the box body connections of the vacuum glue filling box are fixed by welding to improve the sealing performance.

[0014] Furthermore, a safety valve is provided on the vacuum glue filling box.

[0015] Beneficial effects:

[0016] This solution sets a leak-proof mechanism at the glue outlet of the mixing hose, so that after the glue is stopped, the mixing hose is compressed from the side by the leak-proof mechanism, thereby closing the glue passage and preventing the residual glue in the mixing hose from being pulled out in a vacuum environment to cause the risk of wire drawing or glue leakage. The glue is discharged by means of a plunger valve pressing the glue, and the automatic proportioning is achieved in conjunction with a flow meter mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a side structural schematic diagram of a double-liquid automatic proportioning vacuum glue filling machine according to an embodiment of the utility model;

[0018] Figure 2 This is a partial structural schematic diagram of a double-liquid automatic proportioning vacuum glue filling machine according to an embodiment of the utility model;

[0019] Figure 3 It is a structural schematic diagram of a three-axis motion mechanism in a vacuum glue filling box of a double-liquid automatic proportioning vacuum glue filling machine according to an embodiment of the utility model;

[0020] Figure 4 This is a structural schematic diagram of a leak-proof glue filling valve according to an embodiment of the utility model;

[0021] Figure 5 It is a structural schematic diagram of a leak-proof mechanism of a leak-proof glue filling valve according to an embodiment of the utility model;

[0022] Icons: leak-proof glue filling valve 1, plunger valve 11, glue circuit 12, mixing hose 13, glue outlet hose 131, glue filling needle 132, flow meter 14, leak-proof mechanism 2, driving mechanism 21, tightening block 22, fixing block 23, fixing device 3, glue barrel 4, vacuum device 5, screw pump 6, vacuum glue filling box 7, three-axis motion mechanism 71, safety valve 72. DETAILED DESCRIPTION

[0023] Combination Figures 1 to 5 As shown, this embodiment provides a double-liquid automatic proportioning vacuum glue pouring machine, including a leak-proof glue pouring valve, and also includes two glue barrels 4, a vacuum device 5, and a vacuum glue pouring box 7. The glue barrels 4 are suitable for supplying glue to the leak-proof glue pouring valve 1, and a three-axis motion structure is arranged in the vacuum glue pouring box 7 to move the workpiece to the bottom of the leak-proof glue pouring valve 1 for glue pouring; the vacuum device 5 is connected to the vacuum glue pouring box 7 to achieve vacuum in the vacuum glue pouring box 7.

[0024] Combination Figures 1 to 4 As shown, the leak-proof glue filling valve 1 includes a plunger valve 11, and also includes a mixing hose 13 connected to the plunger valve 11, the mixing hose 13 is connected to at least two glue paths 12, the plunger valve 11 is suitable for pressing the glue introduced from the two glue paths 12 into the mixing hose 13 to achieve mixing; each of the glue paths 12 is provided with a flow meter 14 to facilitate control of the glue ratio; the side position of the mixing hose 13 close to the glue outlet is provided with a leak-proof mechanism 2, and the leak-proof mechanism 2 is suitable for tightening the mixing hose 13 from the side to close the channel of the mixing hose 13.

[0025] Combination Figure 4 As shown, in this embodiment, a fixing device 3 is provided near the glue outlet of the mixing hose 13 to fix the glue outlet position of the mixing hose 13. Specifically, a glue injection needle 132 can be fixedly provided on the vacuum glue injection box 7, and the mixing hose 13 is detachably connected to the glue injection needle. In this way, the vacuum property of the vacuum glue injection box 7 can be ensured. The mixing hose 13 can adopt a corrosion-resistant hose. Furthermore, the mixing hose 13 includes a mixing hose and a glue injection hose 131 spliced ​​end to end, and the anti-leakage mechanism 2 is provided on the side of the glue injection hose 131. Here, the glue injection hose 131 can be deformed, so that when the anti-leakage mechanism 2 is pressed, the glue injection hose 131 can be pressed tightly to close the internal channel and achieve a mechanical anti-leakage effect.

[0026] Combination Figure 5As shown, the leak-proof mechanism 2 includes a driving mechanism 21 and a fixing block 23 respectively arranged on opposite sides of the mixing hose 13, the driving mechanism 21 is provided with a telescopic rod, and a tightening block 22 is provided at the end of the telescopic rod to tighten the mixing hose 13 against the fixing block 23 when the telescopic rod is extended, thereby closing the channel in the mixing hose 13. Here, a channel suitable for the mixing hose 13 to pass through is formed between the fixing block 23 and the driving mechanism 21, and when the telescopic rod of the driving mechanism 21 is extended, the mixing hose 13 is fixed between the fixing block 23 and the tightening block 22. Through the leak-proof mechanism 2, when the leak-proof glue filling valve 1 stops working due to the vacuum state maintained in the vacuum glue filling box 7, the glue in the mixing tube is sucked into the vacuum cavity due to the pressure difference, resulting in the risk of wire drawing or glue leakage. It should be noted that the above-mentioned leak-proof mechanism 2 is only used as one embodiment, and is not limited to this. Other ways of closing the mixing hose 13 by tightening the side are all within the protection scope of this application.

[0027] The flow meter 14 is provided with an electromagnetic regulating valve for adjusting the amount of glue liquid discharged. Here, a flow meter 14 and an electromagnetic regulating valve or a pneumatic ball valve are provided on each glue path 12 to accurately adjust the glue discharge ratio of each glue path 12, thereby improving the accuracy of the glue liquid ratio. The flow meter 14 can also detect glue blockage and glue leakage. In this embodiment, the plunger valve 11 is provided to press the glue to achieve glue discharge, which has low cost and stable operation.

[0028] Combination Figures 1 to 3 As shown, a three-axis motion mechanism 71 is provided in the vacuum glue pouring box 7 for moving the material to be poured with glue to the position where the glue outlet of the leak-proof glue pouring valve 1 is located for pouring glue. Here, the vacuum glue pouring box 7 is connected to the vacuum device 5 to achieve a vacuum environment, so that a vacuum state is maintained during the process of pouring glue or pouring glue, and the mixing of air and glue liquid is prevented from affecting the pouring effect. The box connection of the vacuum glue pouring box 7 is fixed by welding to improve the sealing. Specifically, the box connection of the vacuum glue pouring box 7 is provided with a sealant for preliminary sealing, and then welded at the connection to improve the connection strength and sealing effect of the connection, which effectively prevents the vacuum glue pouring box 7 from being damaged due to a large vacuum degree. A plurality of safety valves 72 are provided on the vacuum glue pouring box 7 to ensure safety.

[0029] In this embodiment, a screw pump 6 is provided between each of the glue barrels 4 and the anti-leakage glue filling valve 1 to transport the glue liquid in the glue barrel 4 to the anti-leakage glue filling valve 1. The screw pump 6 is controlled by a servo motor to adjust the glue supply pressure so that the glue supply pressure remains stable. When the glue is supplied by the screw pump 6, the pressure is more stable.

[0030] The glue barrel 4 is provided with a stirring device and a heating device, and the glue barrel 4 is connected to the vacuum device 5 to perform vacuum treatment on the glue in the glue barrel 4. The stirring device is suitable for stirring the glue liquid in the barrel body; the heating device is arranged on the glue barrel 4 to heat the glue liquid in the glue barrel 4. In this embodiment, two glue barrels 4 are provided, which can be used to hold different glue liquids respectively, and the two glue liquids are respectively transported to the leak-proof glue filling valve 1. Specifically, the stirring device here is used to stir the glue liquid in the glue barrel 4 to prevent the glue liquid from solidifying, and at the same time, the gas in the glue liquid escapes under a vacuum environment. The heating device can be a heating bag, which is arranged on the outside of the glue barrel 4 to keep the glue liquid at a certain temperature and improve the fluidity of the glue liquid. The glue barrel 4 is connected to the vacuum device 5 to perform vacuum treatment on the glue barrel 4, so as to remove the bubbles in the glue barrel 4. After the vacuum bubbles are removed, nitrogen can be used for protection and transported to the leak-proof glue filling valve 1 through a screw pump 6. The glue inlet of the glue barrel 4 is provided with a bell mouth, and the glue can be poured slowly along the inner wall of the bell mouth during glue feeding to reduce the generation of bubbles.

[0031] Through the scheme of this embodiment, double-liquid automatic ratio vacuum glue pouring can be realized with high safety, almost no risk of glue leakage or wire drawing, and the glue pouring quality is guaranteed.

[0032] It should be understood that the above are only preferred implementations of the present utility model, and the protection scope of the present utility model is not limited to the above embodiments. All technical solutions under the concept of the present utility model belong to the protection scope of the present utility model.

[0033] The above description of the drawings used in the implementation manner only shows certain embodiments of the utility model and should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

Claims

1. A leak-proof glue filling valve, comprising a plunger valve, characterized in that: It also includes a mixing hose connected to the plunger valve, the mixing hose is connected to at least two glue paths, the plunger valve is suitable for pressing the glue introduced from the two glue paths into the mixing hose to achieve mixing; each of the glue paths is provided with a flow meter to facilitate the control of the glue ratio; A leak-proof mechanism is arranged on the side of the mixing rubber hose near the rubber outlet, and the leak-proof mechanism is suitable for tightening the mixing rubber hose from the side to close the channel of the mixing rubber hose.

2. The anti-leakage glue filling valve according to claim 1, characterized in that: A fixing device is arranged near the glue outlet of the mixing rubber hose to fix the glue outlet position of the mixing rubber hose.

3. The anti-leakage glue filling valve according to claim 2, characterized in that: The anti-leakage mechanism includes a driving mechanism and a fixed block arranged on opposite sides of the mixing hose. The driving mechanism is provided with a telescopic rod. A tightening block is provided at the end of the telescopic rod to tighten the mixing hose against the fixed block when the telescopic rod is extended, thereby closing the channel in the mixing hose.

4. The anti-leakage glue filling valve according to claim 2, characterized in that: The mixing rubber hose comprises a mixing hose and a rubber outlet hose which are spliced ​​end to end, and the anti-leakage mechanism is arranged on the side of the rubber outlet hose.

5. The anti-leakage glue filling valve according to claim 1, characterized in that: The flow meter is provided with an electromagnetic regulating valve for adjusting the glue output of the glue liquid.

6. A double-liquid automatic ratio vacuum glue filling machine, characterized in that: The leak-proof glue pouring valve comprises the leak-proof glue pouring valve as described in any one of claims 1 to 5, and further comprises two glue barrels, a vacuum device, and a vacuum glue pouring box, wherein the glue barrels are suitable for supplying glue to the leak-proof glue pouring valve, and the vacuum glue pouring box is provided with a three-axis motion structure to move the workpiece to the bottom of the leak-proof glue pouring valve for glue pouring; the vacuum device is connected to the vacuum glue pouring box to achieve vacuum in the vacuum glue pouring box.

7. The double-liquid automatic proportioning vacuum glue filling machine according to claim 6 is characterized in that: A screw pump is arranged between each of the glue barrels and the anti-leakage glue pouring valve to transport the glue liquid in the glue barrel to the anti-leakage glue pouring valve.

8. The double-liquid automatic proportioning vacuum glue filling machine according to claim 6, characterized in that: The glue barrel is provided with a stirring device and a heating device, and the glue barrel is connected to the vacuum device to perform vacuum treatment on the glue in the glue barrel. The stirring device is suitable for stirring the glue liquid in the barrel body; the heating device is arranged on the glue barrel to heat the glue liquid in the glue barrel.

9. The double-liquid automatic proportioning vacuum glue filling machine according to claim 6, characterized in that: The box body connection of the vacuum glue filling box is fixed by welding to improve the sealing performance.

10. The double-liquid automatic proportioning vacuum glue filling machine according to claim 6, characterized in that: The vacuum glue filling box is provided with a safety valve.

Images