Glue pressing device for polyurethane glue injection
By introducing a stirring rod, a dispensing hopper, and a defoaming system into the polyurethane dispensing device, the problem of uneven mixing of polyurethane colloids was solved, resulting in higher blending degree and product quality.
Patent Information
- Application Number
- CN202422817191.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Existing polyurethane colloids cannot guarantee a good fusion effect when mixed in the storage container, which may result in defective products after extrusion.
A glue-pressing device including a motor, a glue box, and a glue gun was designed. By setting a stirring rod and a dispensing hopper in the glue box and a flow channel pipe in the glue gun, the material entry sequence is controlled by the overflow hole. Combined with air pump defoaming and electric heating anti-condensation, the material is ensured to be fully stirred and defoamed.
It improves the blending and uniformity of polyurethane colloid, eliminates air bubbles, prevents outlet blockage, and enhances product quality.
Smart Images

Figure CN223587561U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to glue injection valve, in particular to a kind of glue injection pressure device for polyurethane. BACKGROUND
[0002] At present, the Chinese patent with the announcement number CN207546895U discloses a glue injection valve body of polyurethane multi-dimensional point glue machine, including glue storage body, cylinder and valve core seat, the center position at both ends of glue storage body is fixedly connected with first feed port and second feed port respectively through connecting pipe, the top of glue storage body is fixedly supported with cylinder through connecting column, the center position at the top of cylinder is equipped with air inlet, the output end of cylinder is fixedly connected with piston rod, the end of piston rod away from cylinder extends to the inside of glue storage body, and is fixedly connected with mounting seat, the center position at the bottom of mounting seat is equipped with valve core, piston rod is driven to move up and down by cylinder, and glue is realized.
[0003] The above-mentioned patent still has shortcomings, the first feed port and the second feed port are respectively arranged at both ends of the glue storage body of the above-mentioned patent, when the polyurethane glue bodies on the left and right sides enter the glue storage body, the fusion effect cannot be guaranteed, thereby causing the polyurethane glue body to possibly appear as a defective product after extrusion. UTILITY MODEL CONTENT
[0004] Therefore, the utility model aims at providing a glue injection pressure device for polyurethane, which has the function of stirring glue.
[0005] In order to solve the above technical problems, the technical scheme of the utility model is as follows: a glue injection pressure device for polyurethane, including motor, glue box and glue gun, a plurality of input holes are formed on the glue box, the bottom of the glue gun is provided with a discharge port, the motor is arranged at the top end of the glue box, the output end of the motor is provided with a stirring rod one, the bottom of the stirring rod one is provided with a pushing screw rod, the stirring rod one is arranged in the glue box, the pushing screw rod is arranged in the glue gun, a flow channel pipe is arranged between the glue box and the glue gun, and the outer side of the glue gun is wrapped with a heat preservation block.
[0006] Through the above technical means, the stirring rod one is arranged at the output end of the motor, and the input hole is formed on the side end of the glue box, so that the polyurethane material is pre-stirred when it enters the glue box, and then pushed into the glue gun through the flow channel pipe to realize material pushing, thereby making the fusion degree of glue higher and increasing the quality of products.
[0007] Preferably, a distribution hopper is further arranged in the glue box, an overflow hole is formed in the middle of the distribution hopper, the distribution hopper divides the glue box into a first stirring cavity and a second stirring cavity, and the stirring rod one and the input hole are arranged in the first stirring cavity.
[0008] Through the technical means, by setting the distribution hopper, and opening the overflow hole, so that when the polyurethane material into the first stirring cavity, in the material height is higher than the overflow hole position, will enter the glue gun, make the polyurethane material in the beginning into the glue box for a certain time of stirring, further guarantee the glue fusion.
[0009] Preferably, the stirring rod one includes a main rod, a connecting rod and a rake rod, the connecting rod is arranged in an annular array on the main rod, and the rake rod is arranged vertically on the connecting rod, and the pushing screw rod is arranged at the bottom of the main rod.
[0010] Through the technical means, by setting the connecting rod and the rake rod, so that the stirring of the material is more uniform.
[0011] Preferably, the stirring rod one further includes stirring blades, and the stirring blades are arranged in the second stirring cavity.
[0012] Through the technical means, by setting the stirring blades, the material entering the second stirring cavity can also be stirred, further increasing the uniformity of the material.
[0013] Preferably, the glue box top is further provided with a defoaming pipeline, and the outer side of the defoaming pipeline is connected with an air pump.
[0014] Through the technical means, by the air pump to the glue box for pumping, so as to eliminate the air bubble in the polyurethane material, further increase the product quality.
[0015] Preferably, the glue box and the motor are further provided with a conductive slip ring, the stirring rod one is fixed with the inner ring of the conductive slip ring, and the stirring rod one and the pushing screw rod are both provided with an electric heating rod.
[0016] Through the technical means, by the cooperation between the conductive slip ring and the stirring rod one, the electric heating rod can still be heated in the rotating process of the stirring rod.
[0017] Preferably, the bottom of the pushing screw rod is further provided with an anti-caking block, the anti-caking block is arranged at the discharge port, and the anti-caking block is also provided with an electric heating rod.
[0018] Through the technical means, by setting the anti-caking block and the electric heating rod in the anti-caking block, the material at the discharge port after stopping is prevented from condensation to cause blockage.
[0019] Compared with the prior art, the beneficial effects of the polyurethane material glue box are:
[0020] 1. By setting the distribution hopper, and opening overflow hole, so when the polyurethane material into the first mixing chamber, when the material height is higher than the overflow hole position, into the glue gun, so that the polyurethane material in the beginning into the glue box for a certain period of time, further ensure the fusion of glue;
[0021] 2. The air pump is used for pumping the glue box, so as to eliminate the air bubble in the polyurethane material, further increase the product quality, and the cooperation of the overflow hole makes the glue not full and block the defoaming pipeline;
[0022] 3. By setting the electric heating rod, the material is heated and prevented from blocking the discharge port when stopping. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 The structure of the embodiment is shown in the figure;
[0024] Figure 2 The A part of the embodiment is shown in the figure. Figure 1
[0025] The figure shows: 1, motor; 2, glue box; 3, glue gun; 4, cavity; 5, input hole; 6, discharge port; 7, stirring rod; 8, pushing screw; 9, flow channel pipe; 10, heat preservation block; 11, distribution hopper; 12, overflow hole; 13, first mixing chamber; 14, second mixing chamber; 15, main rod; 16, connecting rod; 17, rake rod; 18, stirring blade; 19, defoaming pipeline; 20, conductive slip ring; 21, electric heating rod; 22, anti-coagulation block. DETAILED DESCRIPTION
[0026] The specific embodiment of the utility model is further described in detail below in combination with the drawings, so that the technical scheme of the utility model is easier to understand and master.
[0027] A glue pressing device for polyurethane injection, comprising a motor 1, a glue box 2 and a glue gun 3, the glue box 2 is provided with a cavity 4 for placing polyurethane material, a plurality of input holes 5 are formed in the glue box 2, different polyurethane materials enter the cavity 4 through the input holes 5, the glue gun 3 is arranged at the bottom of the glue box 2, the bottom of the glue gun 3 is provided with a discharge port 6, the motor 1 is arranged at the top end of the glue box 2, the output end of the motor 1 is provided with a stirring rod 7, the bottom of the stirring rod 7 is provided with a pushing screw 8, the stirring rod 7 extends into the glue box 2 and penetrates into the glue gun 3, the pushing screw 8 is arranged in the glue gun 3 and is attached to the inner wall of the glue gun 3, a flow channel pipe 9 is arranged between the glue box 2 and the glue gun 3, the polyurethane material flows from the glue box 2 into the glue gun 3 through the flow channel pipe 9, and the glue gun 3 is wrapped with a heat preservation block 10.
[0028] The glue box 2 is further provided with a distribution hopper 11, the overflow hole 12 is arranged in the middle of the distribution hopper 11, the distribution hopper 11 divides the glue box 2 into a first stirring cavity 13 and a second stirring cavity 14, the stirring rod one 7 and the input hole 5 are arranged in the first stirring cavity 13, when the polyurethane material enters the first stirring cavity 13, the material will flow into the second stirring cavity 14 and enter the glue gun 3 only when the material height is higher than the position of the overflow hole 12, so that the polyurethane material will not directly enter the glue gun 3 when entering the glue box 2 at the beginning, thereby facilitating the stirring of the polyurethane material for a certain time through the stirring rod one 7, further ensuring the fusion of the glue, so that the fusion degree of the glue is higher, and the quality of the product is increased.
[0029] The stirring rod one 7 comprises a main rod 15, a connecting rod 16, a rake rod 17 and stirring blades 18, the connecting rod 16 is arranged in the main rod 15 in a ring array, the rake rod 17 is arranged vertically on the connecting rod 16, the rake rod 17 extends into the bottom of the first stirring cavity 13, thereby preventing interference, the pushing screw rod 8 is arranged at the bottom of the main rod 15 and extends into the glue gun 3, through the arrangement of the rake rod 17, the stirring of the material is more uniform while preventing interference, the stirring blades 18 are arranged in the second stirring cavity 14, so that the material entering the second stirring cavity 14 can also be stirred, thereby further increasing the uniformity of the material.
[0030] The glue box 2 is further provided with a defoaming pipeline 19 at the top, the defoaming pipeline 19 is connected with an air pump outside, the glue box 2 is pumped through the air pump during the stirring process, thereby eliminating the air bubbles in the polyurethane material, further increasing the product quality, through the cooperation of the overflow hole 12, the glue will not be full and block the defoaming pipeline 19.
[0031] The glue box 2 is further provided with a conductive slip ring 20 between the glue box 2 and the motor 1, the stirring rod one 7 is fixed with the inner ring of the conductive slip ring 20, the stirring rod one 7 and the pushing screw rod 8 are both provided with an electric heating rod 21, the bottom of the pushing screw rod 8 is further provided with an anti-caking block 22, the anti-caking block 22 is arranged at the discharge port 6, the anti-caking block 22 is also provided with an electric heating rod 21, the polyurethane material can be heat preserved to a certain extent through the electric heating rod 21, so as to prevent the flowability of the polyurethane material from becoming poor due to the temperature reduction, through the arrangement of the anti-caking block 22, the material at the discharge port 6 after the glue injection stops is prevented from caking and causing blockage.
[0032] Of course, the above is only a typical example of the present application, in addition to this, the present application can have other various specific implementation manners, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.
Claims
1. A pressure-pressing device for polyurethane injection, characterized in that: Including motor (1), glue box (2) and glue gun (3), the glue box (2) is provided with a plurality of input holes (5), the glue gun (3) bottom is provided with discharge port (6), the motor (1) is arranged at the top of glue box (2), the output end of motor (1) is provided with stirring rod one (7), the bottom of stirring rod one (7) is provided with pusher screw rod (8), stirring rod one (7) is arranged in glue box (2), pusher screw rod (8) is arranged in glue gun (3), flow channel pipe (9) is arranged between glue box (2) and glue gun (3), the outside of glue gun (3) is wrapped with heat preservation block (10).
2. The device according to claim 1, wherein the device is characterized by: The glue box (2) is also provided with a distribution hopper (11), the overflow hole (12) is formed in the middle of the distribution hopper (11), the distribution hopper (11) divides the glue box (2) into first stirring cavity (13) and second stirring cavity (14), the stirring rod one (7) and input hole (5) are arranged in the first stirring cavity (13).
3. The device according to claim 2, wherein the device is characterized by: The stirring rod one (7) includes a main rod (15), a connecting rod (16) and a rake rod (17), the connecting rod (16) is arranged in an annular array on the main rod (15), the rake rod (17) is arranged vertically on the connecting rod (16), the pusher screw rod (8) is arranged at the bottom of the main rod (15), the connecting rod (16) and the rake rod (17) are arranged in the first stirring cavity (13).
4. The device according to claim 2, wherein the device is characterized by: The stirring rod one (7) further includes stirring blades (18), which are arranged in the second stirring cavity (14).
5. The device according to claim 2, wherein the device is characterized by: The top of the glue box (2) is also provided with a defoaming pipeline (19), and the outer side of the defoaming pipeline (19) is connected with an air pump.
6. The device according to claim 1, wherein the device is characterized by: The glue box (2) and the motor (1) are also provided with a conductive slip ring (20), the stirring rod one (7) is fixed with the inner ring of the conductive slip ring (20), and the stirring rod one (7) and the pusher screw rod (8) are provided with an electric heating rod (21).
7. The device according to claim 6, wherein the device is characterized by: The bottom of the pusher screw rod (8) is also provided with an anti-caking block (22), which is arranged at the discharge port (6), and the anti-caking block (22) is also provided with an electric heating rod (21).
Citation Information
Patent Citations
Glue injection valve body of polyurethane multi -dimensional adhesive dispenser
CN207546895U
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