Glue supply device for automatic glue coating device of fiber umbrella ribs

Abstract

The present invention discloses a glue supply device of an automatic glue coating device for fiber umbrella ribs, and relates to the technical field of umbrella rib glue coating. The glue supply device comprises a glue supply mechanism, and the glue supply mechanism comprises a quantitative glue supply component, a glue pushing component, and a glue feeding component; the quantitative glue supply component comprises a glue receiving barrel, a glue feeding pipe fixedly connected to the glue receiving barrel, and a first liquid one-way valve connected to the glue feeding pipe, and the glue feeding pipe is externally connected to a glue pool. The present invention is provided with a movable glue head, and after the movement, the glue pumping holes of the glue head are all facing the lower total glue groove on the corresponding side, and the quantitative glue supply component quantitatively pushes the glue in the glue pool into the glue receiving cavity, and after pressurization by the glue pushing component, it is finally pumped out through the glue pumping hole, thereby reducing the kinetic energy loss caused by the blocking of the glue by the mold cavity wall in the prior art, thereby increasing the flow speed of the glue in the outer flow channel of the glue after the mold is closed, accelerating the flow speed of the glue in the glue coating channels distributed laterally on both sides, thereby reducing the curing time of the glue coating block formed by the glue coating channel, thereby improving the production efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of umbrella rib glue coating, in particular to a glue supply device of an automatic glue coating device for fiber umbrella ribs. Background Art

[0002] Fiberglass rib encapsulation injection molding refers to placing a certain number of fiberglass ribs into the corresponding injection molding machine mold, and encapsulating plastic at both ends of the ribs or certain specific positions. Existing rib processing is generally done by encapsulation injection molding.

[0003] The Chinese invention patent, application publication number CN115026995A discloses a rubber coating device and a working process for automatic rubber coating of fiber umbrella ribs. The fiber arrangement mechanism and the fiber delivery mechanism cooperate with each other to neatly arrange the umbrella ribs on the fiber placement frame and deliver them to the lower mold of the mold for injection molding to form an umbrella frame. The injection-molded umbrella frame is then transferred to the dividing mechanism through the transfer mechanism. The dividing mechanism is used to separate the plastic frame on the umbrella frame from the umbrella ribs, and the injection-molded and rubber-coated umbrella ribs are used independently. The structure is compact and no manual operation is required throughout the process. On the one hand, labor costs are saved, and on the other hand, the efficiency of the injection molding and rubber coating of the umbrella ribs is accelerated.

[0004] A Chinese invention patent, application publication number CN111645260A, discloses a glass fiber umbrella rib encapsulation equipment, including an automatic loader, a vertical injection molding machine and an automatic unloader arranged side by side. The equipment can replace manual loading and unloading operations of the injection molding machine. Workers only need to replenish the glass fiber umbrella ribs in the silo when they are short of material and transport the framed finished products away.

[0005] The above solutions all solve the technical problems raised in the background technology. However, in practical applications, the glue supply devices in the above prior art and the existing automatic glue injection machines still have certain defects.

[0006] The glue is injected into the outer flow channel of the glue through the glue injection assembly, and finally enters the glue-coating channel through the inner flow channel of the glue and the connecting channel, and finally forms an umbrella frame. However, in the prior art, the mold cavity wall blocks the glue, causing kinetic energy loss, thereby reducing the flow rate of the glue in the outer flow channel of the glue after mold closing, resulting in a longer curing time of the glue-coating block formed in the glue-coating channel, thereby reducing production efficiency.

[0007] In addition, after the glue is injected into the mold cavity, since the liquid glue may contain some bubbles, the cured rubber block may contain pores, which reduces the strength of the rubber block and reduces the product quality. Summary of the invention

[0008] The object of the present invention is to provide a glue supply device for an automatic glue coating device for fiber umbrella ribs, so as to solve the problems raised in the above-mentioned background technology.

[0009] To achieve the above object, the present invention provides the following technical solutions: a glue supply device of an automatic glue coating device for fiber umbrella ribs, comprising a glue supply mechanism, wherein the glue supply mechanism comprises a quantitative glue supply component, a glue advancing component and a glue feeding component;

[0010] The quantitative glue supply component includes a glue holding barrel, a glue inlet pipe fixedly connected to the glue holding barrel, and a first liquid one-way valve connected to the glue inlet pipe, and the glue inlet pipe is externally connected to a glue pool;

[0011] A glue squeezing block is movably arranged in the glue holding barrel, and the glue squeezing block divides the inner cavity of the glue holding barrel into a feeding cavity and an air extraction cavity. A second telescopic member is arranged in the air extraction cavity, and the telescopic end of the second telescopic member is fixed to the side of the glue squeezing block. The glue inlet pipe is fixedly connected to the top of the left side of the feeding cavity, so that when a single feeding is completed, the top of the glue squeezing block blocks the glue inlet pipe;

[0012] The glue pushing assembly comprises a glue receiving cavity provided on the mounting seat, an elbow is fixedly connected between the glue receiving barrel and the glue receiving cavity, and a second liquid one-way valve is connected to the elbow;

[0013] A second exhaust pipe is fixedly connected between the glue receiving chamber and the glue receiving barrel, a second gas one-way valve is connected to the pipe body of the second exhaust pipe, and a first exhaust pipe is fixedly connected to the outer side of the glue receiving barrel, a first gas one-way valve is connected to the pipe body of the first exhaust pipe;

[0014] When feeding, the vacuum chamber is under negative pressure, which promotes the precipitation of bubbles in the glue that enters the glue-holding chamber;

[0015] The glue feeding assembly includes a connecting assembly and a glue supply head. Glue pumping holes are provided on both sides of the glue supply head. The glue pumping holes on each side face the lower glue supply groove on the corresponding side. The glue supply head extends into the lower glue supply groove of the lower mold, and is driven by the connecting assembly to move along the lower glue supply groove.

[0016] The glue in the glue pool is quantitatively pushed into the glue receiving cavity through the quantitative glue supply component, and the glue pushing component applies extrusion force to the glue entering the glue receiving cavity, thereby accelerating the outflow speed of the glue. The glue with a certain flow rate is finally sprayed out through the glue pump holes arranged on both sides of the glue supply head.

[0017] Furthermore, the adhesive receiving cavity includes a top cavity and a bottom cavity, the diameter of the top cavity is larger than the diameter of the bottom cavity, and the bottom of the top cavity is connected to the bottom cavity after being folded;

[0018] A rotating shaft is arranged in the glue bearing cavity, and a driving member is arranged on the top of the mounting seat. The rotating shaft is driven to rotate by the driving member, and a glue removal spiral plate is fixed on the rotating shaft body extending into the bottom cavity.

[0019] Furthermore, the connection assembly includes a socket-shaped pipe fixed to the bottom of the mounting seat, so that the rubber head and the socket-shaped pipe can be movably plugged into each other;

[0020] A hose is fixedly connected between the glue supply head and the bottom cavity, a base is fixed on the side of the mounting seat, a first telescopic member is fixed on the base, and the telescopic end of the first telescopic member is fixed to the side of the glue supply head through a U-shaped bracket.

[0021] Furthermore, a plugging head is movably provided on one side of the rubber supply head away from the hose, and a plurality of springs are fixed between the plugging head and the left inner wall of the rubber supply head.

[0022] Furthermore, a transverse cavity is provided in the mounting seat, and the diameter of the transverse cavity is larger than the outer diameter of the bell pipe;

[0023] A through groove is provided on the top of the bell-and-spigot pipe, and an exhaust hole is provided on the top of the bell-and-spigot pipe, and the transverse cavity and the through groove are connected through the exhaust hole;

[0024] A convex block is fixed on the top of the glue supply head, the convex block is matched with the through groove, and an air extraction pipe connected with the transverse cavity is fixed on the base, and the air extraction pipe is connected with the air pump.

[0025] Furthermore, the outer diameter of the bell-and-spigot pipe is smaller than or equal to the diameter of the glue supply cavity after mold closing.

[0026] Furthermore, a gathering tube that gathers inwards is provided on the glue outlet side of the glue receiving barrel, and a gathering block is formed on the side of the glue squeezing block, and the gathering block is matched with the gathering tube.

[0027] Furthermore, the diameter of the glue pump hole is 1 / 2-4 / 5 of the diameter of the outer flow channel of the glue after mold closing.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] The glue supply device of the automatic glue coating device for the fiber umbrella ribs is provided with a movable glue head, and after the movement, the glue pump holes of the glue head all face the lower total glue groove on the corresponding side. The quantitative glue supply component pushes the glue in the glue pool into the glue receiving cavity in a quantitative manner, and after being pressurized by the glue pushing component, the glue is finally pumped out through the glue pump holes, thereby reducing the kinetic energy loss caused by the blocking of the glue by the mold cavity wall in the prior art, thereby increasing the flow speed of the glue in the outer circulation channel of the glue after the mold is closed, accelerating the flow speed of the glue in the glue-coating channels distributed laterally on both sides, and then reducing the curing time of the glue-coating blocks formed by the glue-coating channels, thereby improving the production efficiency.

[0030] At the same time, a quantitative glue supply component is provided. Each time glue is supplied, the glue in the glue barrel can be quantitatively squeezed into the glue cavity. This quantitative supply method not only improves production efficiency, but also reduces waste and pollution. By accurately controlling the supply amount of plating materials, enterprises can utilize resources more effectively.

[0031] In addition, when the glue barrel is supplying glue, the space of the feeding cavity gradually decreases, and the vacuum cavity is under negative pressure. The air in the cavity at the top of the glue barrel is sucked into the vacuum cavity through the second exhaust pipe. In this way, since the air pressure in the glue barrel is relatively small, the solubility of the gas in the glue is reduced, and the precipitation of bubbles in the glue entering the glue cavity is promoted, thereby increasing the strength of the rubber-coated block and improving the product quality.

[0032] In addition, through grooves, exhaust holes and transverse cavities are provided. During the injection process, the controller controls the air pump to start. After the mold is closed, the air in the cavity enters the transverse cavity through the through grooves and exhaust holes, and is finally discharged through the exhaust pipe, thereby effectively reducing the air in the cavity and the amount of bubbles in the rubber block, thereby increasing the flow speed of the glue, improving product quality and production efficiency.

[0033] In addition, after the glue injection is completed, the end face of the glue supply head is flush with the end face of the socket pipe. In this way, when the glue in the mold cavity is cured, the controller controls the first telescopic member to continue to contract, so that the glue supply head is separated from the cured glue in the glue supply cavity, thereby facilitating the later removal of the molded umbrella frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a connection diagram of the glue coating device and the glue supply mechanism of the present invention;

[0035] Figure 2 It is a first connection schematic diagram of the lower mold and the glue supply mechanism of the present invention;

[0036] Figure 3 It is a second connection schematic diagram of the lower mold and the glue supply mechanism of the present invention;

[0037] Figure 4 It is an axial view of the glue supply mechanism of the present invention;

[0038] Figure 5 It is a first half cross-sectional view of the glue supply mechanism of the present invention;

[0039] Figure 6 It is a second half cross-sectional view of the glue supply mechanism of the present invention;

[0040] Figure 7 It is a schematic diagram of the umbrella frame after molding according to the present invention.

[0041] In the figure: 1, glue supply mechanism; 101, horizontal cavity; 102, mounting seat; 103, socket pipe; 104, glue supply head; 105, glue pump hole; 106, through groove; 107, exhaust hole; 108, base; 109, first telescopic member; 110, U-shaped bracket; 111, exhaust pipe; 201, glue chamber; 202, rotating shaft; 203, glue discharge spiral plate; 204, hose; 301, glue barrel; 302, Gathering tube; 303, glue squeezing block; 304, second telescopic member; 305, first exhaust pipe; 306, first gas one-way valve; 307, glue inlet pipe; 308, first liquid one-way valve; 309, elbow; 310, second liquid one-way valve; 311, second exhaust pipe; 312, second gas one-way valve; 402, spring; 401, plugging head; 5, lower mold; 501, lower main glue groove; 502, lower glue supply groove. DETAILED DESCRIPTION

[0042] 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 the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] The fiber umbrella ribs are injection molded by automatic glue coating equipment to form an umbrella frame integrated with the plastic frame. This solution is applied to the glue supply of the automatic glue coating device for the fiber umbrella ribs to form the umbrella frame.

[0044] like Figure 1-Figure 7 As shown, the present invention provides a technical solution: a glue supply device of an automatic glue coating device for fiber umbrella ribs, comprising a glue supply mechanism 1 for glue supply, wherein the glue supply mechanism comprises a quantitative glue supply component, a glue advancing component and a glue feeding component, and the quantitative glue supply component, the glue advancing component and the glue feeding component are arranged on a mounting seat 102, and the mounting seat 102 is connected to the glue coating frame of the automatic glue coating device, wherein, Figure 7 This is the main view of the umbrella frame after the rubber coating is completed. In the later production, the plastic frame and the fiber ribs need to be separated by a material separation mechanism to finally obtain the rubber-coated fiber frame.

[0045] In addition, in the prior art, a lower general glue groove 501 and a lower glue supply groove 502 are provided on the lower mold 5 of the automatic glue coating machine for fiber umbrella ribs. The lower general glue groove 501 is symmetrically distributed on both sides of the lower glue supply groove 502. Similarly, an upper general glue groove and an upper glue supply groove are provided on the upper mold. After the molds are closed, a glue outer side flow channel is formed between the lower general glue groove 501 and the upper general glue groove, and a glue supply cavity is formed between the lower glue supply groove 502 and the upper glue supply groove.

[0046] like Figure 5 and Figure 6As shown, the quantitative glue supply component includes a glue barrel 301, a glue inlet pipe 307 fixedly connected to the glue barrel 301, and a first liquid one-way valve 308 connected to the glue inlet pipe 307. The glue inlet pipe 307 is externally connected to a glue pool (not shown in the figure). The first liquid one-way valve 308 ensures that the glue can enter the glue barrel 301 through the glue inlet pipe 307, and prevents the glue from flowing back into the glue pool through the glue inlet pipe 307. The glue barrel 301 is fixedly mounted on the outer side of the mounting seat 102. A glue squeezing block 303 made of stainless steel material is movably arranged in the glue barrel 301. The glue squeezing block 303 divides the inner cavity of the glue barrel 301 into a feeding cavity and an air pumping cavity, the space of which changes with the position of the glue squeezing block 303. A second telescopic member 304 is arranged in the air pumping cavity, and the extension of the second telescopic member 304 The retracted end is fixed to the side of the glue squeezing block 303, and when the second telescopic member 304 is retracted, the glue squeezing block 303 can be moved left and right along the inner wall of the glue barrel 301. In this way, when the second telescopic member 304 is extended, the space of the feeding chamber gradually decreases, and the space of the air extraction chamber gradually increases. On the contrary, when the second telescopic member 304 is retracted, the space of the feeding chamber gradually increases, and the space of the air extraction chamber gradually decreases. In this scheme, the glue inlet pipe 307 is fixedly connected to the top of the left side of the feeding chamber. In this way, after a single feeding is completed, the top of the glue squeezing block 303 blocks the glue inlet pipe 307, thereby preventing the glue from entering the air extraction chamber and increasing the difficulty of cleaning the device. The second telescopic member 304 can be an electric telescopic rod or a hydraulic cylinder, and its extension amount is controlled by a controller.

[0047] like Figure 5 As shown, the glue advancing assembly includes a glue receiving chamber 201 opened on the mounting seat 102, an elbow 309 is fixedly connected between the glue receiving barrel 301 and the glue receiving chamber 201, and a second liquid one-way valve 310 is connected to the elbow 309. The second liquid one-way valve 310 ensures that the glue can enter the elbow 309 and the glue receiving chamber 201 through the glue receiving barrel 301, and prevents the glue from flowing back into the glue receiving barrel 301 through the elbow 309, thereby improving the accuracy of the glue supply, and increasing the glue receiving chamber 201. 1 The amount of inner glue and the distribution of related parts of the device are more reasonable, which increases the aesthetics of the device. The top tube body height of the elbow 309 is higher than that of the glue barrel 301. A second exhaust pipe 311 is fixedly connected between the glue chamber 201 and the glue barrel 301. A second gas one-way valve 312 is connected to the tube body of the second exhaust pipe 311. The outside of the glue barrel 301 is fixedly connected to the first exhaust pipe 305. A first gas one-way valve 306 is connected to the tube body of the first exhaust pipe 305.

[0048] It can be known that by controlling the movement (contraction and extension) length and movement speed of the glue squeezing block 303 by the controller, it is ensured that the amount of glue sucked (squeezed into) the glue receiving barrel 301 (glue receiving cavity 201) and the glue feeding speed can reach the preset standards (this process requires a limited number of experiments and adjustments to obtain the optimal extrusion amount and supply speed, which can be achieved through existing experimental technology).

[0049] Specifically, after a single glue supply is completed, the left end face of the glue squeezing block 303 is squeezed against the left inner wall of the glue barrel 301, and the top of the glue squeezing block 303 blocks the glue inlet pipe 307. The controller controls the second telescopic member 304 to contract. Since the first liquid one-way valve 308 is in a conducting state and the second liquid one-way valve 310 is in a blocked state, the same as the piston principle, at this time, the glue in the glue pool is sucked into the glue barrel 301. When the amount of glue sucked into the glue barrel 301 reaches a set value, the controller controls the second telescopic member 304 to extend. At this time, the first liquid one-way valve 308 is in a blocked state and the second liquid one-way valve 310 is in a conducting state, and the glue in the glue barrel 301 is quantitatively squeezed into the glue receiving cavity 201.

[0050] It is worth noting that this quantitative supply method not only improves production efficiency, but also reduces waste and pollution. By precisely controlling the supply of glue, companies can use resources more effectively.

[0051] In addition, if Figure 6 As shown, an inwardly contracting gathering tube 302 is provided on the glue outlet side of the glue receiving barrel 301, and a contracting block is formed on the side of the glue squeezing block 303, and the contracting block is adapted to the contracting tube 302. Such a setting can prevent glue from gathering on the glue outlet side of the glue receiving barrel 301, and prevent the glue there from solidifying during long-term operation.

[0052] When the glue barrel 301 is sucking glue, the space of the air extraction chamber is compressed. Since the first gas one-way valve 306 is in a conducting state and the second gas one-way valve 312 is in a blocked state at this time, as the second telescopic member 304 contracts, the air in the air extraction chamber is discharged through the first exhaust pipe 305. When the glue barrel 301 is supplying glue, the second telescopic member 304 is extended, and the space of the supply chamber is gradually reduced. Since the first gas one-way valve 306 is in a blocked state and the second gas one-way valve 312 is in a conducting state, there is a negative pressure in the air extraction chamber, and the air in the top cavity of the glue chamber 201 is sucked into the air extraction chamber through the second exhaust pipe 311. In this way, since the air pressure in the glue chamber 201 is relatively small, the solubility of the gas in the glue is reduced, and the precipitation of bubbles in the glue entering the glue chamber 201 is promoted, thereby increasing the strength of the rubber-coated block and improving the product quality.

[0053] like Figure 4 and Figure 5As shown, the glue feeding assembly includes a connecting assembly and a glue supply head 104, the glue supply head 104 extends into the lower glue supply groove 502 of the lower mold 5, and is driven by the connecting assembly to move along the lower glue supply groove 502. Glue pumping holes 105 are provided on both sides of the glue supply head 104, and the glue pumping holes 105 on each side face the lower total glue groove 501 on the corresponding side. In this scheme, the diameter of the glue pumping hole 105 is 1 / 2-4 / 5 of the diameter of the outer side flow channel of the glue after the mold is closed. In a preferred embodiment of the present scheme, the diameter of the glue pumping hole 105 is 3 / 5 of the diameter of the outer side flow channel of the glue after the mold is closed.

[0054] Specifically, the glue in the glue pool is quantitatively pushed into the glue receiving cavity 201 through the quantitative glue supply component, and the glue pushing component applies extrusion force to the glue entering the glue receiving cavity 201, thereby accelerating the outflow speed of the glue. The glue with a certain flow rate is finally sprayed out through the glue pump holes 105 arranged on both sides of the glue supply head 104.

[0055] In another specific embodiment of the present scheme, the glue receiving chamber 201 includes a top chamber and a bottom chamber, the diameter of the top chamber is larger than the diameter of the bottom chamber, and the bottom of the top chamber is connected with the bottom chamber after being folded, so that the glue receiving chamber 201 is funnel-shaped. This can better prevent glue from adhering to the connection between the top chamber and the bottom chamber, avoid the glue at this location from solidifying when the glue is supplied for a long time, and reduce the difficulty of cleaning the device.

[0056] In order to achieve a certain extrusion pressure on the glue flowing out of the glue receiving cavity 201, in this solution, a rotating shaft 202 is provided in the glue receiving cavity 201, and a driving member is provided on the top of the mounting seat 102, and the rotating shaft 202 is driven by the driving member to rotate, and a glue removal spiral plate 203 is fixed on the shaft body of the rotating shaft 202 extending into the bottom cavity. The driving member can be a servo motor or other mechanism that can realize the rotation of the rotating shaft 202, such as Figure 5 As shown, the connecting assembly includes a bell-and-spigot pipe 103 fixed at the bottom of the mounting seat 102, the outer diameter of the bell-and-spigot pipe 103 is less than or equal to the diameter of the glue supply cavity after mold closing and the end face of the bell-and-spigot pipe 103 is flush with the left side face of the mounting seat 102, the glue supply head 104 is movably plugged into the bell-and-spigot pipe 103, a hose 204 is fixedly connected between the glue supply head 104 and the bottom cavity, a base 108 is fixed to the side of the mounting seat 102, a first telescopic member 109 is fixed on the base 108, the telescopic end of the first telescopic member 109 is fixed to the side of the glue supply head 104 through a U-shaped bracket 110, since the glue supply head 104 is movably plugged into the bell-and-spigot pipe 103 and the hose 204 has a certain elasticity, the first telescopic member 109 can drive the glue supply head 104 to move in the bell-and-spigot pipe 103 when it is telescoped, the first telescopic member 109 is controlled by a controller, and the first telescopic member 109 can be an electric telescopic rod or a hydraulic cylinder.

[0057] Specifically, the fiber ribs after the previous glue coating are taken out and new fiber ribs are put in. After the mold is closed, the controller controls the first telescopic member 109 to extend, the glue supply head 104 moves out of the socket pipe 103, and the quantitative glue supply component pushes the glue in the glue pool into the glue receiving cavity 201 in a quantitative manner. At this time, the controller controls the driving member to start, and the rotating shaft 202 drives the glue discharge spiral plate 203 to rotate, and applies an extrusion force to the glue entering the glue receiving cavity 201, thereby accelerating the outflow speed of the glue. After the glue passes through the glue supply head 104, it is finally pumped out through the glue pump hole 105. Since the glue pump holes 105 on each side face the lower total glue groove 501 on the corresponding side, the kinetic energy loss caused by the blocking of the glue by the mold cavity wall in the prior art is reduced, thereby increasing the flow speed of the glue in the outer flow channel of the glue after the mold is closed, and accelerating the flow speed of the glue in the glue-encapsulating channels distributed laterally on both sides, thereby reducing the curing time of the glue-encapsulating blocks formed by the glue-encapsulating channels, thereby improving production efficiency.

[0058] In order to prevent the glue from flowing out through the glue supply head 104 after the glue supply head 104 is moved out of the socket pipe 103, thereby causing inconsistent glue coating amount of the fiber ribs, a blocking head 401 is movably provided on the side of the glue supply head 104 away from the hose 204, and a plurality of springs 402 are fixed between the blocking head 401 and the left inner wall of the glue supply head 104, so that when the driving part is not started, the blocking head 401 blocks the glue pump hole 105 under the elastic force of the spring 402, and when the glue supply head 104 is fully extended, the quantitative glue supply component feeds and the driving part is started, the spring 402 contracts under the pressure of the glue, and the blocking head 401 moves to the left to contact the glue pump hole 105, and the glue is pumped out through the glue pump hole 105.

[0059] When the glue is filled in the mold cavity formed by the upper mold and the lower mold 5, the pressure of the mold cavity increases, and the gas in the mold cavity may dissolve in the glue, resulting in bubbles in the molded rubber block and affecting the flow rate of the glue due to the increase in the pressure of the mold cavity. In a specific embodiment of the present scheme, Figure 4 and Figure 5 As shown, a transverse cavity 101 is opened in the mounting seat 102, and the diameter of the transverse cavity 101 is larger than the outer diameter of the bell-and-spigot pipe 103, a through groove 106 is opened on the top of the bell-and-spigot pipe 103, an exhaust hole 107 is opened on the top of the bell-and-spigot pipe 103, and the transverse cavity 101 is connected with the through groove 106 through the exhaust hole 107, a protrusion is fixed on the top of the rubber supply head 104, and the protrusion is adapted to the through groove 106, and an exhaust pipe 111 connected with the transverse cavity 101 is fixed on the base 108, and the exhaust pipe 111 is connected to the air pump, and the air pump is controlled by a controller.

[0060] Specifically, during the glue injection process, the controller controls the air pump to start. After the mold is closed, the air in the cavity enters the horizontal cavity 101 through the through groove 106 and the exhaust hole 107, and is finally discharged through the exhaust pipe 111, thereby effectively reducing the air in the cavity, reducing the amount of bubbles in the glue block, and increasing the flow rate of the glue.

[0061] When the glue injection is completed, the controller controls the first telescopic member 109 to retract, and the protrusion on the top of the glue supply head 104 is inserted into the through groove 106. When the end face of the glue supply head 104 is flush with the end face of the socket pipe 103, the controller controls the first telescopic member 109 to stop retracting. After the glue in the mold cavity is solidified, the controller controls the first telescopic member 109 to continue to retract, so that the glue supply head 104 is separated from the solidified glue in the glue supply cavity, thereby facilitating the later removal of the molded umbrella frame.

[0062] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is limited by the attached embodiments and their equivalents.

Claims

1. A glue supply device for an automatic gluing device for fiber ribs, comprising an automatic gluing machine for fiber ribs and a glue supply mechanism (1), characterized in that: A lower main glue groove (501) and a lower glue supply groove (502) are provided on the lower mold (5) of the automatic glue encapsulation machine for fiber umbrella ribs. The lower main glue groove (501) is symmetrically distributed on both sides of the lower glue supply groove (502). Similarly, an upper main glue groove and an upper glue supply groove are provided on the upper mold. After the molds are closed, a glue outer flow channel is formed between the lower main glue groove (501) and the upper main glue groove, and a glue supply cavity is formed between the lower glue supply groove (502) and the upper glue supply groove. The glue supply mechanism (1) comprises a quantitative glue supply component, a glue advancing component and a glue feeding component; The quantitative glue supply component comprises a glue receiving barrel (301), a glue inlet pipe (307) fixedly connected to the glue receiving barrel (301), and a first liquid one-way valve (308) connected to the glue inlet pipe (307); the glue inlet pipe (307) is externally connected to a glue pool; A glue squeezing block (303) is movably arranged in the glue receiving barrel (301), and the glue squeezing block (303) divides the inner cavity of the glue receiving barrel (301) into a feeding cavity and an air extraction cavity. A second telescopic member (304) is arranged in the air extraction cavity, and the telescopic end of the second telescopic member (304) is fixed to the side of the glue squeezing block (303). The glue inlet pipe (307) is fixedly connected to the top of the left side of the feeding cavity. In this way, when a single feeding is completed, the top of the glue squeezing block (303) blocks the glue inlet pipe (307); The glue advancing assembly comprises a glue receiving chamber (201) formed on the mounting seat (102); an elbow (309) is fixedly connected between the glue receiving barrel (301) and the glue receiving chamber (201); and a second liquid one-way valve (310) is connected to the elbow (309); A second exhaust pipe (311) is fixedly connected between the glue receiving chamber (201) and the glue receiving barrel (301), a second gas one-way valve (312) is connected to the tube body of the second exhaust pipe (311), and a first exhaust pipe (305) is fixedly connected to the outside of the glue receiving barrel (301), a first gas one-way valve (306) is connected to the tube body of the first exhaust pipe (305); When feeding, the vacuum chamber is under negative pressure, thereby promoting the precipitation of bubbles in the glue entering the glue holding chamber (201); The glue feeding assembly comprises a connecting assembly and a glue supply head (104), and the glue supply head (104) is provided with glue pumping holes (105) on both sides, and the glue pumping holes (105) on each side face the lower glue supply groove (501) on the corresponding side. The glue supply head (104) extends into the lower glue supply groove (502) of the lower mold (5), and is driven by the connecting assembly to move along the lower glue supply groove (502); The glue in the glue pool is quantitatively pushed into the glue receiving chamber (201) by the quantitative glue supply component, and the glue pushing component applies a squeezing force to the glue entering the glue receiving chamber (201), thereby accelerating the outflow speed of the glue, and the glue with a certain flow rate is finally ejected through the glue pump holes (105) arranged on both sides of the glue supply head (104); The adhesive receiving cavity (201) comprises a top cavity and a bottom cavity, the diameter of the top cavity is larger than the diameter of the bottom cavity, and the bottom of the top cavity is connected to the bottom cavity after being folded; A rotating shaft (202) is arranged in the glue receiving cavity (201), and a driving member is arranged on the top of the mounting seat (102), and the rotating shaft (202) is driven by the driving member to rotate, and a glue removal spiral plate (203) is fixed on the shaft body of the rotating shaft (202) extending into the bottom cavity; The connection assembly comprises a socket pipe (103) fixed to the bottom of the mounting seat (102), for the rubber head (104) to be movably plugged into the socket pipe (103); A hose (204) is fixedly connected between the glue supply head (104) and the bottom cavity, a base (108) is fixed to the side of the mounting seat (102), a first telescopic member (109) is fixed on the base (108), and a telescopic end of the first telescopic member (109) is fixed to the side of the glue supply head (104) via a U-shaped bracket (110).

2. The glue supply device of the automatic glue coating device for fiber umbrella ribs according to claim 1, characterized in that: A plugging head (401) is movably provided on the side of the rubber supply head (104) away from the hose (204), and a plurality of springs (402) are fixed between the plugging head (401) and the left inner wall of the rubber supply head (104).

3. The glue supply device of the automatic glue coating device for fiber umbrella ribs according to claim 2, characterized in that: A transverse cavity (101) is provided in the mounting seat (102), and the diameter of the transverse cavity (101) is larger than the outer diameter of the socket pipe (103); A through groove (106) is provided at the top of the bell-and-spigot pipe (103), and an exhaust hole (107) is provided at the top of the bell-and-spigot pipe (103); the transverse cavity (101) and the through groove (106) are connected via the exhaust hole (107); A convex block is fixed on the top of the glue supply head (104), and the convex block is matched with the through groove (106). An air extraction pipe (111) connected to the transverse cavity (101) is fixed on the base (108), and the air extraction pipe (111) is connected to an air pump.

4. The glue supply device of the automatic glue coating device for fiber umbrella ribs according to claim 3, characterized in that: The outer diameter of the bell-and-spigot pipe (103) is smaller than or equal to the diameter of the glue supply cavity after mold closing.

5. The glue supply device of the automatic glue coating device for fiber umbrella ribs according to claim 1, characterized in that: The glue outlet side of the glue receiving barrel (301) is provided with an inwardly contracting gathering tube (302), and the side of the glue squeezing block (303) is formed with a contracting block, which is matched with the contracting tube (302).

6. The glue supply device of the automatic glue coating device for fiber umbrella ribs according to claim 3, characterized in that: The diameter of the glue pump hole (105) is 1 / 2-4 / 5 of the diameter of the glue outer circulation channel after mold closing.

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